diff options
author | whiteshark0 <whiteshark0@b956fd51-792f-4845-bead-9b4dfca2ff2c> | 2010-06-30 09:29:54 +0000 |
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committer | whiteshark0 <whiteshark0@b956fd51-792f-4845-bead-9b4dfca2ff2c> | 2010-06-30 09:29:54 +0000 |
commit | db764b0ef728dbcf746076dcfbbffa7207509262 (patch) | |
tree | f5aa67e30464020733f65ed5e61001267d8eda77 /src/screens | |
parent | ced3b26cc50510b714b99724c9a377a2ae0be629 (diff) | |
download | usdx-db764b0ef728dbcf746076dcfbbffa7207509262.tar.gz usdx-db764b0ef728dbcf746076dcfbbffa7207509262.tar.xz usdx-db764b0ef728dbcf746076dcfbbffa7207509262.zip |
- code restructured (e.g.: more comments, well named comments)
=> its very much easier to make changes now
- implemented new (working) beat detection algorithm
- comments added
- mouse move easter egg added to intro (needs some adjustment)
- "Funky Text" still needs an updated
git-svn-id: svn://svn.code.sf.net/p/ultrastardx/svn/trunk@2566 b956fd51-792f-4845-bead-9b4dfca2ff2c
Diffstat (limited to 'src/screens')
-rw-r--r-- | src/screens/UScreenCredits.pas | 2108 |
1 files changed, 980 insertions, 1128 deletions
diff --git a/src/screens/UScreenCredits.pas b/src/screens/UScreenCredits.pas index b87af6bd..468b4e84 100644 --- a/src/screens/UScreenCredits.pas +++ b/src/screens/UScreenCredits.pas @@ -47,16 +47,28 @@ uses UPath, UGraphicClasses; +{ beat detection constants and types } +const + SubChannelCount = 32; + HistoryLength = 44; + SamplesPerChannel = (FFTSize div 2) div SubChannelCount; + BeatEnergyModifier = 80; // modifies detected energy + // higher values equal a more sensitive detection + +type + TEnergyHistory = array [0..HistoryLength-1] of single; + TSubchannelHistory = array [0..SubChannelCount-1] of TEnergyHistory; + type TCreditsStages=(InitialDelay, Intro, MainPart, Outro); TScreenCredits = class(TMenu) - public + private + CreditsPath: IPath; Credits_X: real; Credits_Time: cardinal; Credits_Alpha: cardinal; - CTime: cardinal; CTime_hold: cardinal; ESC_Alpha: integer; @@ -66,15 +78,7 @@ type credits_bg_ovl: TTexture; //credits_bg_logo: TTexture; credits_bg_scrollbox_left: TTexture; - credits_blindguard: TTexture; - credits_blindy: TTexture; - credits_canni: TTexture; - credits_commandio: TTexture; - credits_lazyjoker: TTexture; - credits_mog: TTexture; - credits_mota: TTexture; - credits_skillmaster: TTexture; - credits_whiteshark: TTexture; + credits_names: array of TTexture; intro_layer01: TTexture; intro_layer02: TTexture; intro_layer03: TTexture; @@ -97,14 +101,53 @@ type CRDTS_Stage: TCreditsStages; + { beat detection } + SubChannelHistory: TSubchannelHistory; + + { mouse movement easter eggs: } + MouseMoved: boolean; + MouseX, MouseY: double; + + procedure LoadNameTextures; + + { draw different stages } + procedure DrawInitialDelay; + + { Intro } + procedure DrawIntro; + procedure DrawLayeredLogo(Separation, Scale, AngleX, AngleY, AngleZ: single); + + { Main } + procedure DrawMain; + procedure DrawMainBG; + procedure DrawFunkyText; + + procedure DrawMainFG; + + procedure DrawNames; + procedure DoLogoBling; + + { Outro } + procedure DrawOutro; + + + { beat detection } + procedure DetectBeat; + protected + { beat detection stuff + protected cause we need this information for "on beat + effect"} + LastBeatTime: cardinal; + BeatDetected: boolean; + CTime: cardinal; + public Fadeout: boolean; constructor Create; override; function ParseInput(PressedKey: cardinal; CharCode: UCS4Char; PressedDown: boolean): boolean; override; - function Draw: boolean; override; + function ParseMouse(MouseButton: integer; BtnDown: boolean; X, Y: integer): boolean; override; procedure OnShow; override; procedure OnHide; override; - procedure DrawCredits; - procedure Draw_FunkyText; + function Draw: boolean; override; end; const @@ -114,17 +157,9 @@ const 'irc helping us - eBandit and Gabari, scene ppl who really helped instead of compiling and running away. Greetings to DennisTheMenace for betatesting, '+ 'Demoscene.tv, pouet.net, KakiArts, Sourceforge,..'; +{ texture names (loaded from gameshared/resources/credits} CRDTS_BG_FILE = 'credits_v5_bg.png'; CRDTS_OVL_FILE = 'credits_v5_overlay.png'; - CRDTS_blindguard_FILE = 'names_blindguard.png'; - CRDTS_blindy_FILE = 'names_blindy.png'; - CRDTS_canni_FILE = 'names_canni.png'; - CRDTS_commandio_FILE = 'names_commandio.png'; - CRDTS_lazyjoker_FILE = 'names_lazyjoker.png'; - CRDTS_mog_FILE = 'names_mog.png'; - CRDTS_mota_FILE = 'names_mota.png'; - CRDTS_skillmaster_FILE = 'names_skillmaster.png'; - CRDTS_whiteshark_FILE = 'names_whiteshark.png'; INTRO_L01_FILE = 'intro-l-01.png'; INTRO_L02_FILE = 'intro-l-02.png'; INTRO_L03_FILE = 'intro-l-03.png'; @@ -138,32 +173,83 @@ const OUTRO_ESC_FILE = 'outro-esc.png'; OUTRO_EXD_FILE = 'outro-exit-dark.png'; - Timings: array[0..21] of cardinal=( - 20, // 0 Delay before Start - - 149, // 1 End first Intro Zoom - 155, // 2 Start 2. Action in Intro - 170, // 3 End Separation in Intro - 271, // 4 beginning Zoomout in Intro - 0, // 5 unused - 261, // 6 Start fade-to-white in Intro - - 271, // 7 Start Main Part - 280, // 8 Start On-Beat-Star Main Part - - 396, // 9 Start BlindGuard - 666, // 10 Start blindy - 936, // 11 Start Canni - 1206, // 12 Start Commandio - 1476, // 13 Start LazyJoker - 1746, // 14 Start Mog - 2016, // 15 Start Mota - 2286, // 16 Start SkillMaster - 2556, // 17 Start WhiteShark - 2826, // 18 Ende Whiteshark - 3096, // 19 Start FadeOut Mainscreen - 3366, // 20 Ende Credits Tune - 60); // 21 start flare in intro +{ some timings } + Delay_Before_Start = 20; + Intro_Flare_Start = 60; + Intro_Zoom_End = 149; + Intro_Stand_End = 155; + Intro_Separation_End = 170; + Intro_FadeToWhite_Start = 261; + Intro_Zoomout_Start = 271; + Main_Start = 271; + Main_OnBeatTwinkle_Start = 280; + Main_Names_Start = 359; + Main_Names_End = 2833; + Main_FadeOut_Start = 3096; + Tune_End = 3366; + +{ cosntants for developer names } + +type + TFadeEffect = procedure (const Tex: TTexture; Progress: double); + TCRTZ_Developer = record + Name: string; // developer name for texture loading (names_"devel".png) + Twinkle: boolean; // should there be twinkles on show + FadeIn: TFadeEffect; // fade in effect + Draw: TFadeEffect; // effect during draw + FadeOut: TFadeEffect; // fade out effect + end; + +{ effects are called with blending, texture and matrix prepared } +procedure Effect_Draw (const Tex: TTexture; Progress: double); +procedure Effect_OnBeatJitter (const Tex: TTexture; Progress: double); + +procedure Effect_Rotate_Left_Top (const Tex: TTexture; Progress: double); +procedure Effect_Rotate_Right_Bot (const Tex: TTexture; Progress: double); +procedure Effect_ZoomIn_Rotate (const Tex: TTexture; Progress: double); +procedure Effect_ZoomOut_Shift (const Tex: TTexture; Progress: double); +procedure Effect_Shift_Left (const Tex: TTexture; Progress: double); +procedure Effect_Shift_Right_Top (const Tex: TTexture; Progress: double); +procedure Effect_Flip_Bot (const Tex: TTexture; Progress: double); +procedure Effect_Flip_Right_Top (const Tex: TTexture; Progress: double); +procedure Effect_Flip_Right (const Tex: TTexture; Progress: double); +procedure Effect_Flip_Right_Bot (const Tex: TTexture; Progress: double); +procedure Effect_Rotate_Right_Top (const Tex: TTexture; Progress: double); +procedure Effect_Shift_Weird (const Tex: TTexture; Progress: double); +procedure Effect_Shift_Right_Bot (const Tex: TTexture; Progress: double); +procedure Effect_Rotate_Right_Top2(const Tex: TTexture; Progress: double); +procedure Effect_Flip_Left_Bot (const Tex: TTexture; Progress: double); +procedure Effect_Flip_Right_Top2 (const Tex: TTexture; Progress: double); +procedure Effect_Twinkle_Down (const Tex: TTexture; Progress: double); + +const + Developers: array[0..10] of TCRTZ_Developer = ( + (Name: 'alexanders'; Twinkle: true; FadeIn: Effect_Rotate_Left_Top; Draw: Effect_OnBeatJitter; FadeOut: Effect_Rotate_Right_Bot), + (Name: 'blindy'; Twinkle: true; FadeIn: Effect_ZoomIn_Rotate; Draw: Effect_OnBeatJitter; FadeOut: Effect_ZoomOut_Shift), + (Name: 'brunzel'; Twinkle: true; FadeIn: Effect_Shift_Left; Draw: Effect_Draw; FadeOut: Effect_Shift_Right_Top), + (Name: 'canni'; Twinkle: true; FadeIn: Effect_Flip_Bot; Draw: Effect_Draw; FadeOut: Effect_Flip_Right_Top), + (Name: 'hennymcc'; Twinkle: true; FadeIn: Effect_Flip_Right; Draw: Effect_OnBeatJitter; FadeOut: Effect_Flip_Right_Bot), + (Name: 'jaybinks'; Twinkle: true; FadeIn: Effect_Rotate_Right_Top; Draw: Effect_OnBeatJitter; FadeOut: Effect_Shift_Weird), + (Name: 'krueger'; Twinkle: true; FadeIn: Effect_Shift_Right_Bot; Draw: Effect_OnBeatJitter; FadeOut: Effect_Rotate_Right_Top2), + (Name: 'mezzox'; Twinkle: true; FadeIn: Effect_Flip_Left_Bot; Draw: Effect_OnBeatJitter; FadeOut: Effect_Flip_Right_Top), + (Name: 'mischi'; Twinkle: true; FadeIn: Effect_Shift_Weird; Draw: Effect_OnBeatJitter; FadeOut: Effect_Flip_Bot), + (Name: 'mog'; Twinkle: false; FadeIn: Effect_Twinkle_Down; Draw: Effect_OnBeatJitter; FadeOut: Effect_ZoomIn_Rotate), + (Name: 'whiteshark'; Twinkle: true; FadeIn: Effect_Rotate_Right_Top2; Draw: Effect_OnBeatJitter; FadeOut: Effect_Shift_Left) + ); + + { name specific times } + TimePerName = (Main_Names_End - Main_Names_Start) div Length(Developers); + NameFadeTime = 12; // duration of fade in/out in 1/100 secs + NameWaitTime = 5; // delay between fade out and fade in of the next devel in 1/100 secs + NameTwinkleTime = 2; // duration of star effects in 1/100 secs + BeatJitterTime = 3; // duration of on beat jitter effect + { position at which the names show up + note: due to use of translate this is the center + of the names not the upper left corner as usual } + NameX = 223; + NameY = 329; + NameW = 326; + NameH = 258; implementation @@ -204,9 +290,30 @@ begin end; // fi end; +function TScreenCredits.ParseMouse(MouseButton: integer; BtnDown: boolean; X, Y: integer): boolean; +begin + Result := inherited ParseMouse(MouseButton, BtnDown, X, Y); + + { calculate mouse coordinates from -1 to 1 + relative to screen center } + MouseX := (X - (ScreenW / Screens) / 2) / ((ScreenW / Screens) / 2); + MouseY := (Y - ScreenH / 2) / (ScreenH / 2); + + MouseMoved := true; +end; + +procedure TScreenCredits.LoadNameTextures; + var I: integer; +begin + SetLength(credits_names, Length(Developers)); + + for I := 0 to High(Developers) do + begin + credits_names[I] := Texture.LoadTexture(CreditsPath.Append('names_' + Developers[I].Name + '.png'), TEXTURE_TYPE_TRANSPARENT, 0); + end; +end; + constructor TScreenCredits.Create; -var - CreditsPath: IPath; begin inherited Create; @@ -215,15 +322,7 @@ begin credits_bg_tex := Texture.LoadTexture(CreditsPath.Append(CRDTS_BG_FILE), TEXTURE_TYPE_PLAIN, 0); credits_bg_ovl := Texture.LoadTexture(CreditsPath.Append(CRDTS_OVL_FILE), TEXTURE_TYPE_TRANSPARENT, 0); - credits_blindguard := Texture.LoadTexture(CreditsPath.Append(CRDTS_blindguard_FILE), TEXTURE_TYPE_TRANSPARENT, 0); - credits_blindy := Texture.LoadTexture(CreditsPath.Append(CRDTS_blindy_FILE), TEXTURE_TYPE_TRANSPARENT, 0); - credits_canni := Texture.LoadTexture(CreditsPath.Append(CRDTS_canni_FILE), TEXTURE_TYPE_TRANSPARENT, 0); - credits_commandio := Texture.LoadTexture(CreditsPath.Append(CRDTS_commandio_FILE), TEXTURE_TYPE_TRANSPARENT, 0); - credits_lazyjoker := Texture.LoadTexture(CreditsPath.Append(CRDTS_lazyjoker_FILE), TEXTURE_TYPE_TRANSPARENT, 0); - credits_mog := Texture.LoadTexture(CreditsPath.Append(CRDTS_mog_FILE), TEXTURE_TYPE_TRANSPARENT, 0); - credits_mota := Texture.LoadTexture(CreditsPath.Append(CRDTS_mota_FILE), TEXTURE_TYPE_TRANSPARENT, 0); - credits_skillmaster := Texture.LoadTexture(CreditsPath.Append(CRDTS_skillmaster_FILE), TEXTURE_TYPE_TRANSPARENT, 0); - credits_whiteshark := Texture.LoadTexture(CreditsPath.Append(CRDTS_whiteshark_FILE), TEXTURE_TYPE_TRANSPARENT, 0); + LoadNameTextures; intro_layer01 := Texture.LoadTexture(CreditsPath.Append(INTRO_L01_FILE), TEXTURE_TYPE_TRANSPARENT, 0); intro_layer02 := Texture.LoadTexture(CreditsPath.Append(INTRO_L02_FILE), TEXTURE_TYPE_TRANSPARENT, 0); @@ -242,38 +341,341 @@ begin CRDTS_Stage:=InitialDelay; end; -function TScreenCredits.Draw: boolean; -begin - DrawCredits; - Draw := true; -end; - procedure TScreenCredits.OnShow; begin inherited; - // pause background music + { pause background music } SoundLib.PauseBgMusic; CRDTS_Stage := InitialDelay; + CTime := 0; Credits_X := 580; - deluxe_slidein := 0; - Credits_Alpha := 0; -// Music.SetLoop(true); loop loops not, shit + + { open credits tune, we play it after initial delay } AudioPlayback.Open(soundpath.Append('wome-credits-tune.mp3')); // thank you wetue -// Music.Play; - CTime := 0; -// setlength(CTime_hold,0); + + { reset twinkling stars } + GoldenRec.KillAll; + + { reset mouse coords } + MouseMoved := false; + MouseX := 0; + MouseY := 0; + + { hide cursor } + Display.SetCursor; end; procedure TScreenCredits.OnHide; begin AudioPlayback.Stop; + { show cursor } + Display.SetCursor; + SoundLib.StartBgMusic; end; -Procedure TScreenCredits.Draw_FunkyText; +function TScreenCredits.Draw: boolean; + var + T: cardinal; +begin + Result := true; + + // reset beat detection + BeatDetected := false; + + T := SDL_GetTicks() div 33; + if T <> Credits_Time then + begin + Credits_Time := T; + inc(CTime); + inc(CTime_hold); + Credits_X := Credits_X-2; + + if (CRDTS_Stage = InitialDelay) and (CTime >= Delay_Before_Start) then + begin + CRDTS_Stage := Intro; + CTime := 0; + AudioPlayback.Play; + end + else if (CRDTS_Stage = Intro) and (CTime >= Main_Start) then + begin + CRDTS_Stage := MainPart; + end + else if (CRDTS_Stage = MainPart) and (CTime >= Tune_End) then + begin + CRDTS_Stage := Outro; + end; + + // dis does teh muiwk y0r to be translated :-) + DetectBeat; + end; + + case CRDTS_Stage of + InitialDelay: DrawInitialDelay; + Intro: DrawIntro; + MainPart: DrawMain; + Outro: DrawOutro; + end; + + // make the stars shine + GoldenRec.Draw; +end; + +procedure TScreenCredits.DrawInitialDelay; +begin + glClearColor(0, 0, 0, 0); + glClear(GL_COLOR_BUFFER_BIT or GL_DEPTH_BUFFER_BIT); +end; + +procedure TScreenCredits.DrawIntro; + var + Separation, Scale, + AngleX, AngleY, AngleZ: single; + FlareX, FlareY: single; + I: integer; +begin + glClearColor(0, 0, 0, 0); + glClear(GL_COLOR_BUFFER_BIT or GL_DEPTH_BUFFER_BIT); + + { rotate logo anti clockwise and make it grow } + if (CTime >= Intro_Separation_End) then + begin + Separation := 1; + Scale := 1 + sqr(CTime - Intro_Separation_End) / (32 * (Main_Start - Intro_Separation_End)); + AngleX := 0; + AngleY := 0; + AngleZ := 20 * sqr(CTime - Intro_Separation_End) / sqr((Main_Start - Intro_Separation_End) / 2); + end + + { separate layers } + else if (CTime >= Intro_Stand_End) then + begin + Separation := 0.5 + 0.5 * (CTime - Intro_Stand_End) / (Intro_Separation_End - Intro_Stand_End); + Scale := 1; + AngleX := 0; + AngleY := 0; + AngleZ := 0; + end + + { stand still } + else if (CTime >= Intro_Zoom_End) then + begin + Separation := 0.5; + Scale := 1; + AngleX := 0; + AngleY := 0; + AngleZ := 0; + end + + { rotate left } + else + begin + Separation := 0.5 + 0.5 * (Intro_Zoom_End - CTime) / (Intro_Zoom_End); + Scale := 1; + AngleX := 10 * (Intro_Zoom_End - CTime) / (Intro_Zoom_End); + AngleY := 20 * (Intro_Zoom_End - CTime) / (Intro_Zoom_End); + AngleZ := 0; + end; + + { the user moved the mouse, overwrite X and Y angle with + according to mouse position } + if (MouseMoved) then + begin + AngleX := 30 * MouseY; + AngleY := 30 * MouseX; + end; + + DrawLayeredLogo(Separation, Scale, AngleX, AngleY, AngleZ); + + { do some sparkling effects } + if (CTime < Intro_Zoom_End) and (CTime > Intro_Flare_Start) then + begin + for I := 1 to 3 do + begin + FlareX := 410 + Floor((CTime - Intro_Flare_Start) / (Intro_Zoom_End - Intro_Flare_Start) * (536 - 410)) + RandomRange(-5, 5); + FlareY := Floor((Intro_Zoom_End - CTime) / 22) + RandomRange(285, 301); + GoldenRec.Spawn(FlareX, FlareY, 1, 16, 0, -1, Flare, 0); + end; + end; + + { fade to white at end } + if Ctime > Intro_FadeToWhite_Start then + begin + glColor4f(1, 1, 1, sqr(CTime - Intro_FadeToWhite_Start) * (CTime - Intro_FadeToWhite_Start) / sqr(Main_Start - Intro_FadeToWhite_Start)); + glEnable(GL_BLEND); + glBegin(GL_QUADS); + glVertex2f( 0, 0); + glVertex2f( 0, 600); + glVertex2f(800, 600); + glVertex2f(800, 0); + glEnd; + glDisable(GL_BLEND); + end; +end; + +procedure Start3D; +begin + glMatrixMode(GL_PROJECTION); + glPushMatrix; + glLoadIdentity; + glFrustum(-0.3 * 4 / 3, 0.3 * 4 / 3, -0.3, 0.3, 1, 1000); + glMatrixMode(GL_MODELVIEW); + glLoadIdentity; +end; + +procedure End3D; +begin + glMatrixMode(GL_PROJECTION); + glPopMatrix; + glMatrixMode(GL_MODELVIEW); +end; + +procedure TScreenCredits.DrawLayeredLogo(Separation, Scale, AngleX, AngleY, AngleZ: single); + var + TotalAngle: single; +begin + Start3D; + glPushMatrix; + + glEnable(GL_TEXTURE_2D); + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + glEnable(GL_BLEND); + + glTranslatef(0, 0, -5 + 0.5 * Separation); + + TotalAngle := Abs(AngleX) + Abs(AngleY) + Abs(AngleZ); + if not isZero(TotalAngle) then + glRotatef(TotalAngle, AngleX / TotalAngle, AngleY / TotalAngle, AngleZ / TotalAngle); + + glScalef(Scale, Scale, 1); + + glScalef(4/3, -1, 1); + glColor4f(1, 1, 1, 1); + + glBindTexture(GL_TEXTURE_2D, intro_layer01.TexNum); + glBegin(gl_Quads); + glTexCoord2f(0, 0); glVertex3f(-1, -1, -0.4 * Separation); + glTexCoord2f(0, 1); glVertex3f(-1, 1, -0.4 * Separation); + glTexCoord2f(1, 1); glVertex3f( 1, 1, -0.4 * Separation); + glTexCoord2f(1, 0); glVertex3f( 1, -1, -0.4 * Separation); + glEnd; + + glBindTexture(GL_TEXTURE_2D, intro_layer02.TexNum); + glBegin(gl_Quads); + glTexCoord2f(0, 0); glVertex3f(-1, -1, -0.3 * Separation); + glTexCoord2f(0, 1); glVertex3f(-1, 1, -0.3 * Separation); + glTexCoord2f(1, 1); glVertex3f( 1, 1, -0.3 * Separation); + glTexCoord2f(1, 0); glVertex3f( 1, -1, -0.3 * Separation); + glEnd; + + glBindTexture(GL_TEXTURE_2D, intro_layer03.TexNum); + glBegin(gl_Quads); + glTexCoord2f(0, 0); glVertex3f(-1, -1, -0.2 * Separation); + glTexCoord2f(0, 1); glVertex3f(-1, 1, -0.2 * Separation); + glTexCoord2f(1, 1); glVertex3f( 1, 1, -0.2 * Separation); + glTexCoord2f(1, 0); glVertex3f( 1, -1, -0.2 * Separation); + glEnd; + + glBindTexture(GL_TEXTURE_2D, intro_layer04.TexNum); + glBegin(gl_Quads); + glTexCoord2f(0, 0); glVertex3f(-1, -1, -0.1 * Separation); + glTexCoord2f(0, 1); glVertex3f(-1, 1, -0.1 * Separation); + glTexCoord2f(1, 1); glVertex3f( 1, 1, -0.1 * Separation); + glTexCoord2f(1, 0); glVertex3f( 1, -1, -0.1 * Separation); + glEnd; + + glBindTexture(GL_TEXTURE_2D, intro_layer05.TexNum); + glBegin(gl_Quads); + glTexCoord2f(0, 0); glVertex3f(-1, -1, 0 * Separation); + glTexCoord2f(0, 1); glVertex3f(-1, 1, 0 * Separation); + glTexCoord2f(1, 1); glVertex3f( 1, 1, 0 * Separation); + glTexCoord2f(1, 0); glVertex3f( 1, -1, 0 * Separation); + glEnd; + + glBindTexture(GL_TEXTURE_2D, intro_layer06.TexNum); + glBegin(gl_Quads); + glTexCoord2f(0, 0); glVertex3f(-1, -1, 0.1 * Separation); + glTexCoord2f(0, 1); glVertex3f(-1, 1, 0.1 * Separation); + glTexCoord2f(1, 1); glVertex3f( 1, 1, 0.1 * Separation); + glTexCoord2f(1, 0); glVertex3f( 1, -1, 0.1 * Separation); + glEnd; + + glBindTexture(GL_TEXTURE_2D, intro_layer07.TexNum); + glBegin(gl_Quads); + glTexCoord2f(0, 0); glVertex3f(-1, -1, 0.2 * Separation); + glTexCoord2f(0, 1); glVertex3f(-1, 1, 0.2 * Separation); + glTexCoord2f(1, 1); glVertex3f( 1, 1, 0.2 * Separation); + glTexCoord2f(1, 0); glVertex3f( 1, -1, 0.2 * Separation); + glEnd; + + glBindTexture(GL_TEXTURE_2D, intro_layer08.TexNum); + glBegin(gl_Quads); + glTexCoord2f(0, 0); glVertex3f(-1, -1, 0.3 * Separation); + glTexCoord2f(0, 1); glVertex3f(-1, 1, 0.3 * Separation); + glTexCoord2f(1, 1); glVertex3f( 1, 1, 0.3 * Separation); + glTexCoord2f(1, 0); glVertex3f( 1, -1, 0.3 * Separation); + glEnd; + + glBindTexture(GL_TEXTURE_2D, intro_layer09.TexNum); + glBegin(gl_Quads); + glTexCoord2f(0, 0); glVertex3f(-1, -1, 0.22 * Separation); + glTexCoord2f(0, 1); glVertex3f(-1, 1, 0.22 * Separation); + glTexCoord2f(1, 1); glVertex3f( 1, 1, 0.22 * Separation); + glTexCoord2f(1, 0); glVertex3f( 1, -1, 0.22 * Separation); + glEnd; + + glDisable(Gl_Texture_2D); + glDisable(GL_BLEND); + + glPopMatrix; + End3D; +end; + +procedure TScreenCredits.DrawMain; +begin + DrawMainBG; + DrawFunkyText; + DrawNames; + DrawMainFG; + DoLogoBling; + + // fade out at end of main part + if (Ctime > Main_FadeOut_Start) then + begin + glColor4f(0, 0, 0, (CTime - Main_FadeOut_Start) / (Tune_End - Main_FadeOut_Start)); + glEnable(GL_BLEND); + glBegin(GL_QUADS); + glVertex2f( 0, 0); + glVertex2f( 0, 600); + glVertex2f(800, 600); + glVertex2f(800, 0); + glEnd; + glDisable(GL_BLEND); + end; +end; + +procedure TScreenCredits.DrawMainBG; +begin + glEnable(GL_TEXTURE_2D); + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + glEnable(GL_BLEND); + + glColor4f(1, 1, 1, 1); + glBindTexture(GL_TEXTURE_2D, credits_bg_tex.TexNum); + glBegin(Gl_Quads); + glTexCoord2f( 0, 0); glVertex2f( 0, 0); + glTexCoord2f( 0, 600/1024); glVertex2f( 0, RenderH); + glTexCoord2f(800/1024, 600/1024); glVertex2f(RenderW, RenderH); + glTexCoord2f(800/1024, 0); glVertex2f(RenderW, 0); + glEnd; + glDisable(GL_TEXTURE_2D); + glDisable(GL_BLEND); +end; + +procedure TScreenCredits.DrawFunkyText; var S: integer; X, Y, A: real; @@ -282,7 +684,7 @@ begin SetFontSize(30); // init ScrollingText - if (CTime = Timings[7]) then + if (CTime = Main_Start) then begin // set position of text Credits_X := 600; @@ -290,7 +692,7 @@ begin CurrentScrollEnd := 1; end; - if (CTime > Timings[7]) and + if (CTime > Main_Start) and (CurrentScrollStart < length(Funky_Text)) then begin X := 0; @@ -347,1126 +749,576 @@ begin } end; -procedure Start3D; +procedure TScreenCredits.DrawNames; + var + Dev: integer; + Ticks: integer; + DevTicks: integer; + TwinkleW, TwinkleH: integer; begin - glMatrixMode(GL_PROJECTION); - glPushMatrix; - glLoadIdentity; - glFrustum(-0.3 * 4 / 3, 0.3 * 4 / 3, -0.3, 0.3, 1, 1000); - glMatrixMode(GL_MODELVIEW); - glLoadIdentity; -end; - -procedure End3D; -begin - glMatrixMode(GL_PROJECTION); - glPopMatrix; - glMatrixMode(GL_MODELVIEW); -end; - -procedure TScreenCredits.DrawCredits; -var - T: cardinal; - Data: TFFTData; - j, k, l: cardinal; - f, g: real; - STime: cardinal; - Delay: cardinal; - myScale: real; - myAngle: real; -const - myLogoCoords: array[0..27,0..1] of cardinal = ( - ( 39,32),( 84,32),(100,16),(125,24), - (154,31),(156,58),(168,32),(203,36), - (258,34),(251,50),(274,93),(294,84), - (232,54),(278,62),(319,34),(336,92), - (347,23),(374,32),(377,58),(361,83), - (385,91),(405,91),(429,35),(423,51), - (450,32),(485,34),(444,91),(486,93) - ); -begin - // dis does teh muiwk y0r to be translated :-) - AudioPlayback.GetFFTData(Data); - - Log.LogStatus('', ' JB-1'); - - T := SDL_GetTicks() div 33; - if T <> Credits_Time then + Ticks := (CTime - Main_Names_Start); + Dev := Ticks div TimePerName; + DevTicks := Ticks mod TimePerName; + + {// debug stuff + SetFontPos(20, 20); + glPrint('Ticks: ' + IntToStr(Ticks)); + SetFontPos(20, 45); + glPrint('Dev: ' + IntToStr(Dev)); + SetFontPos(20, 70); + glPrint('DevTicks: ' + IntToStr(DevTicks)); //} + + if (Ticks >= 0) and (Dev <= High(Developers)) then begin - Credits_Time := T; - inc(CTime); - inc(CTime_hold); - Credits_X := Credits_X-2; - - Log.LogStatus('', ' JB-2'); - if (CRDTS_Stage=InitialDelay) and (CTime = Timings[0]) then + { spawn twinkling stars } + if (Developers[Dev].Twinkle) and (DevTicks >= NameFadeTime) and (DevTicks <= NameFadeTime + NameTwinkleTime) then begin -// CTime := Timings[20]; -// CRDTS_Stage := Outro; - CRDTS_Stage := Intro; - CTime := 0; - AudioPlayback.Play; + TwinkleW := Round(NameW * 0.6); + TwinkleH := Round(NameH * 0.6); + + GoldenRec.Spawn(NameX + RandomRange(-TwinkleW, TwinkleW), NameY + RandomRange(-TwinkleH, TwinkleH), 1, 16, 0, -1, PerfectLineTwinkle, 0); + GoldenRec.Spawn(NameX + RandomRange(-TwinkleW, TwinkleW), NameY + RandomRange(-TwinkleH, TwinkleH), 1, 16, 0, -1, PerfectLineTwinkle, 1); + GoldenRec.Spawn(NameX + RandomRange(-TwinkleW, TwinkleW), NameY + RandomRange(-TwinkleH, TwinkleH), 1, 16, 0, -1, PerfectLineTwinkle, 5); + GoldenRec.Spawn(NameX + RandomRange(-TwinkleW, TwinkleW), NameY + RandomRange(-TwinkleH, TwinkleH), 1, 16, 0, -1, PerfectLineTwinkle, 0); + GoldenRec.Spawn(NameX + RandomRange(-TwinkleW, TwinkleW), NameY + RandomRange(-TwinkleH, TwinkleH), 1, 16, 0, -1, PerfectLineTwinkle, 1); + GoldenRec.Spawn(NameX + RandomRange(-TwinkleW, TwinkleW), NameY + RandomRange(-TwinkleH, TwinkleH), 1, 16, 0, -1, PerfectLineTwinkle, 5); + GoldenRec.Spawn(NameX + RandomRange(-TwinkleW, TwinkleW), NameY + RandomRange(-TwinkleH, TwinkleH), 1, 16, 0, -1, PerfectLineTwinkle, 0); + GoldenRec.Spawn(NameX + RandomRange(-TwinkleW, TwinkleW), NameY + RandomRange(-TwinkleH, TwinkleH), 1, 16, 0, -1, PerfectLineTwinkle, 1); + GoldenRec.Spawn(NameX + RandomRange(-TwinkleW, TwinkleW), NameY + RandomRange(-TwinkleH, TwinkleH), 1, 16, 0, -1, PerfectLineTwinkle, 5); end; - if (CRDTS_Stage = Intro) and (CTime = Timings[7]) then - begin - CRDTS_Stage := MainPart; - end; - if (CRDTS_Stage = MainPart) and (CTime = Timings[20]) then - begin - CRDTS_Stage := Outro; - end; - end; - - Log.LogStatus('', ' JB-3'); - // draw background - if CRDTS_Stage = InitialDelay then - begin - glClearColor(0, 0, 0, 0); - glClear(GL_COLOR_BUFFER_BIT or GL_DEPTH_BUFFER_BIT); - end - else - if CRDTS_Stage = Intro then - begin - Start3D; + { prepare drawing } glPushMatrix; - - glClearColor(0, 0, 0, 0); - glClear(GL_COLOR_BUFFER_BIT or GL_DEPTH_BUFFER_BIT); - - glEnable(GL_TEXTURE_2D); + glTranslatef(NameX, NameY, 0); + glBindTexture(GL_TEXTURE_2D, credits_names[Dev].TexNum); glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); glEnable(GL_BLEND); + glEnable(GL_TEXTURE_2D); - if CTime < Timings[1] then + // calculate progress and call effect + if (DevTicks <= NameFadeTime) then + Developers[Dev].FadeIn(credits_names[Dev], DevTicks / NameFadeTime) + else if (DevTicks >= TimePerName - NameFadeTime - NameWaitTime) then begin - myScale := 0.5 + 0.5 * (Timings[1] - CTime) / (Timings[1]); // slowly move layers together - myAngle := cos((CTime) * pi / ((Timings[1]) * 2)); // and make logo face towards camera + if (DevTicks < TimePerName - NameWaitTime) then + Developers[Dev].FadeOut(credits_names[Dev], ((TimePerName - NameWaitTime) - DevTicks) / NameFadeTime); end else - begin // this is the part when the logo stands still - myScale := 0.5; - myAngle := 0; - end; - if CTime > Timings[2] then - begin - myScale := 0.5 + 0.5 * (CTime - Timings[2]) / (Timings[3] - Timings[2]); // get some space between layers - myAngle := 0; - end; -// if CTime > Timings[3] then myScale := 1; // keep the space between layers - glTranslatef(0, 0, -5 + 0.5 * myScale); - if CTime > Timings[3] then - myScale := 1; // keep the space between layers - if CTime > Timings[3] then - begin // make logo rotate left and grow -// myScale := (CTime - Timings[4]) / (Timings[7] - Timings[4]); - glRotatef(20 * sqr(CTime - Timings[3]) / sqr((Timings[7] - Timings[3]) / 2), 0, 0, 1); - glScalef(1 + sqr(CTime - Timings[3]) / (32 * (Timings[7] - Timings[3])), 1 + sqr(CTime - Timings[3]) / (32 * (Timings[7] - Timings[3])), 1); - end; - if CTime < Timings[2] then - glRotatef(30 * myAngle, 0.5 * myScale + myScale, 1 + myScale, 0); -// glScalef(0.5, 0.5, 0.5); - glScalef(4/3, -1, 1); - glColor4f(1, 1, 1, 1); + Developers[Dev].Draw(credits_names[Dev], (DevTicks - NameFadeTime) / (TimePerName - NameFadeTime * 2 - NameWaitTime)); - glBindTexture(GL_TEXTURE_2D, intro_layer01.TexNum); - glbegin(gl_quads); - glTexCoord2f(0, 0); glVertex3f(-1, -1, -0.4 * myScale); - glTexCoord2f(0, 1); glVertex3f(-1, 1, -0.4 * myScale); - glTexCoord2f(1, 1); glVertex3f( 1, 1, -0.4 * myScale); - glTexCoord2f(1, 0); glVertex3f( 1, -1, -0.4 * myScale); - glEnd; - glBindTexture(GL_TEXTURE_2D, intro_layer02.TexNum); - glbegin(gl_quads); - glTexCoord2f(0, 0); glVertex3f(-1, -1, -0.3 * myScale); - glTexCoord2f(0, 1); glVertex3f(-1, 1, -0.3 * myScale); - glTexCoord2f(1, 1); glVertex3f( 1, 1, -0.3 * myScale); - glTexCoord2f(1, 0); glVertex3f( 1, -1, -0.3 * myScale); - glEnd; - glBindTexture(GL_TEXTURE_2D, intro_layer03.TexNum); - glbegin(gl_quads); - glTexCoord2f(0, 0); glVertex3f(-1, -1, -0.2 * myScale); - glTexCoord2f(0, 1); glVertex3f(-1, 1, -0.2 * myScale); - glTexCoord2f(1, 1); glVertex3f( 1, 1, -0.2 * myScale); - glTexCoord2f(1, 0); glVertex3f( 1, -1, -0.2 * myScale); - glEnd; - glBindTexture(GL_TEXTURE_2D, intro_layer04.TexNum); - glbegin(gl_quads); - glTexCoord2f(0, 0); glVertex3f(-1, -1, -0.1 * myScale); - glTexCoord2f(0, 1); glVertex3f(-1, 1, -0.1 * myScale); - glTexCoord2f(1, 1); glVertex3f( 1, 1, -0.1 * myScale); - glTexCoord2f(1, 0); glVertex3f( 1, -1, -0.1 * myScale); - glEnd; - glBindTexture(GL_TEXTURE_2D, intro_layer05.TexNum); - glbegin(gl_quads); - glTexCoord2f(0, 0); glVertex3f(-1, -1, 0 * myScale); - glTexCoord2f(0, 1); glVertex3f(-1, 1, 0 * myScale); - glTexCoord2f(1, 1); glVertex3f( 1, 1, 0 * myScale); - glTexCoord2f(1, 0); glVertex3f( 1, -1, 0 * myScale); - glEnd; - glBindTexture(GL_TEXTURE_2D, intro_layer06.TexNum); - glbegin(gl_quads); - glTexCoord2f(0, 0); glVertex3f(-1, -1, 0.1 * myScale); - glTexCoord2f(0, 1); glVertex3f(-1, 1, 0.1 * myScale); - glTexCoord2f(1, 1); glVertex3f( 1, 1, 0.1 * myScale); - glTexCoord2f(1, 0); glVertex3f( 1, -1, 0.1 * myScale); - glEnd; - glBindTexture(GL_TEXTURE_2D, intro_layer07.TexNum); - glbegin(gl_quads); - glTexCoord2f(0, 0); glVertex3f(-1, -1, 0.2 * myScale); - glTexCoord2f(0, 1); glVertex3f(-1, 1, 0.2 * myScale); - glTexCoord2f(1, 1); glVertex3f( 1, 1, 0.2 * myScale); - glTexCoord2f(1, 0); glVertex3f( 1, -1, 0.2 * myScale); - glEnd; - glBindTexture(GL_TEXTURE_2D, intro_layer08.TexNum); - glbegin(gl_quads); - glTexCoord2f(0, 0); glVertex3f(-1, -1, 0.3 * myScale); - glTexCoord2f(0, 1); glVertex3f(-1, 1, 0.3 * myScale); - glTexCoord2f(1, 1); glVertex3f( 1, 1, 0.3 * myScale); - glTexCoord2f(1, 0); glVertex3f( 1, -1, 0.3 * myScale); - glEnd; - glBindTexture(GL_TEXTURE_2D, intro_layer09.TexNum); - glbegin(gl_quads); - glTexCoord2f(0, 0); glVertex3f(-1, -1, 0.22 * myScale); - glTexCoord2f(0, 1); glVertex3f(-1, 1, 0.22 * myScale); - glTexCoord2f(1, 1); glVertex3f( 1, 1, 0.22 * myScale); - glTexCoord2f(1, 0); glVertex3f( 1, -1, 0.22 * myScale); - glEnd; - gldisable(gl_texture_2d); + glDisable(GL_TEXTURE_2D); glDisable(GL_BLEND); - glPopMatrix; - End3D; + end; +end; + +procedure TScreenCredits.DrawMainFG; +begin + glEnable(GL_TEXTURE_2D); + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + glEnable(GL_BLEND); + glColor4f(1, 1, 1, 1); + glBindTexture(GL_TEXTURE_2D, credits_bg_ovl.TexNum); + glBegin(gl_Quads); + glTexCoord2f( 0, 0); glVertex2f(800-393, 0); + glTexCoord2f( 0, 600/1024); glVertex2f(800-393, 600); + glTexCoord2f(393/512, 600/1024); glVertex2f(800, 600); + glTexCoord2f(393/512, 0); glVertex2f(800, 0); + glEnd; - // do some sparkling effects - if (CTime < Timings[1]) and (CTime > Timings[21]) then + + glDisable(GL_TEXTURE_2D); + glDisable(GL_BLEND); +end; + +procedure TScreenCredits.DoLogoBling; + const + myLogoCoords: array[0..27,0..1] of cardinal = ( + ( 39,32),( 84,32),(100,16),(125,24), + (154,31),(156,58),(168,32),(203,36), + (258,34),(251,50),(274,93),(294,84), + (232,54),(278,62),(319,34),(336,92), + (347,23),(374,32),(377,58),(361,83), + (385,91),(405,91),(429,35),(423,51), + (450,32),(485,34),(444,91),(486,93) + ); + var + Coords: integer; + StartFrame: integer; +begin + if (CTime > Main_OnBeatTwinkle_Start ) and + (CTime < Main_FadeOut_Start) then begin - for k:= 1 to 3 do + { spawn stars only in frames where a beat was detected } + if BeatDetected then begin - l := 410 + floor((CTime - Timings[21]) / (Timings[1] - Timings[21]) * (536 - 410)) + RandomRange(-5, 5); - j := floor((Timings[1] - CTime) / 22) + RandomRange(285, 301); - GoldenRec.Spawn(l, j, 1, 16, 0, -1, Flare, 0); + StartFrame := RandomRange(6, 16); + Coords := RandomRange(0, 27); + + GoldenRec.Spawn(myLogoCoords[Coords,0], myLogoCoords[Coords,1], 16-StartFrame, StartFrame, 0, -1, PerfectNote, 0); end; end; +end; - // fade to white at end - if Ctime > Timings[6] then - begin - glColor4f(1, 1, 1, sqr(CTime - Timings[6]) * (CTime - Timings[6]) / sqr(Timings[7] - Timings[6])); - glEnable(GL_BLEND); - glBegin(GL_QUADS); - glVertex2f( 0, 0); - glVertex2f( 0, 600); - glVertex2f(800, 600); - glVertex2f(800, 0); - glEnd; - glDisable(GL_BLEND); - end; +procedure TScreenCredits.DrawOutro; +begin + if CTime = Tune_End then + begin + CTime_hold := 0; + AudioPlayback.Stop; + AudioPlayback.Open(SoundPath.Append('credits-outro-tune.mp3')); + AudioPlayback.SetVolume(0.2); + AudioPlayback.SetLoop(true); + AudioPlayback.Play; + end; - end; - if (CRDTS_Stage=MainPart) then - // main credits screen background, scroller, logo and girl - begin + if CTime_hold > 231 then + begin + AudioPlayback.Play; + Ctime_hold := 0; + end; - glEnable(GL_TEXTURE_2D); - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - glEnable(GL_BLEND); - - glColor4f(1, 1, 1, 1); - glBindTexture(GL_TEXTURE_2D, credits_bg_tex.TexNum); - glbegin(gl_quads); - glTexCoord2f( 0, 0); glVertex2f( 0, 0); - glTexCoord2f( 0, 600/1024); glVertex2f( 0, 600); - glTexCoord2f(800/1024, 600/1024); glVertex2f(800, 600); - glTexCoord2f(800/1024, 0); glVertex2f(800, 0); - glEnd; - glDisable(GL_TEXTURE_2D); - glDisable(GL_BLEND); - - // draw scroller - Draw_FunkyText; - - //######################################################################### - // draw credits names - - Log.LogStatus('', ' JB-4'); - - // BlindGuard (rotate in from upper left, rotate out to lower right) - STime := Timings[9] - 10; - Delay := Timings[10] - Timings[9]; - if CTime > STime then - begin - k := 0; - ESC_Alpha := 20; + glClearColor(0, 0, 0, 0); + glClear(GL_COLOR_BUFFER_BIT or GL_DEPTH_BUFFER_BIT); - try - for j := 0 to 40 do - begin - if (j < length(Data)) and - (k < length(Data)) then - begin - if Data[j] >= Data[k] then - k := j; - end; - end; - except - end; + // do something useful + // outro background + glEnable(GL_TEXTURE_2D); + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + glEnable(GL_BLEND); - if Data[k] > 0.25 then - ESC_Alpha := 5 - else - inc(ESC_Alpha); - if ESC_Alpha > 20 then - ESC_Alpha := 20; - if ((CTime - STime) < 20) then - ESC_Alpha := 20; - if CTime <= STime + 10 then - j := CTime - STime - else - j := 10; - if (CTime >= STime + Delay - 10) then - if (CTime <= STime + Delay) then - j := (STime + Delay) - CTime - else - j := 0; - glColor4f(1, 1, 1, ESC_Alpha / 20 * j / 10); - - if (CTime >= STime + 10) and (CTime <= STime + 12) then - begin - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 0); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 1); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 5); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 0); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 1); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 5); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 0); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 1); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 5); - end; + glColor4f(1, 1, 1, 1); + glBindTexture(GL_TEXTURE_2D, outro_bg.TexNum); + glBegin(gl_quads); + glTexCoord2f( 0, 0); glVertex2f( 0, 0); + glTexCoord2f( 0, 600/1024); glVertex2f( 0, 600); + glTexCoord2f(800/1024, 600/1024); glVertex2f(800, 600); + glTexCoord2f(800/1024, 0); glVertex2f(800, 0); + glEnd; + + // outro overlays + glColor4f(1, 1, 1, (2 + sin(CTime / 15)) / 3); + glBindTexture(GL_TEXTURE_2D, outro_esc.TexNum); + glBegin(Gl_Quads); + glTexCoord2f( 0, 0); glVertex2f( 0, 0); + glTexCoord2f( 0, 223/256); glVertex2f( 0, 223); + glTexCoord2f(487/512, 223/256); glVertex2f(487, 223); + glTexCoord2f(487/512, 0); glVertex2f(487, 0); + glEnd; + + if (RandomRange(0,20) <= 18) then + begin + glColor4f(1, 1, 1, 1); + glBindTexture(GL_TEXTURE_2D, outro_exd.TexNum); + glBegin(Gl_Quads); + glTexCoord2f( 0, 0); glVertex2f(800-310, 600-247); + glTexCoord2f( 0, 247/256); glVertex2f(800-310, 600 ); + glTexCoord2f(310/512, 247/256); glVertex2f(800, 600 ); + glTexCoord2f(310/512, 0); glVertex2f(800, 600-247); + glEnd; + end; - glPushMatrix; - gltranslatef(0, 329, 0); - if CTime <= STime + 10 then - glrotatef((CTime - STime) * 9 + 270, 0, 0, 1); - gltranslatef(223, 0, 0); - if CTime >= STime + Delay - 10 then - if CTime <= STime + Delay then - begin - gltranslatef(223, 0, 0); - glrotatef((integer(CTime) - (integer(STime + Delay) - 10)) * -9, 0, 0, 1); - gltranslatef(-223, 0, 0); - end; - glBindTexture(GL_TEXTURE_2D, credits_blindguard.TexNum); - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - glEnable(GL_BLEND); - glEnable(GL_TEXTURE_2D); - glbegin(gl_quads); - glTexCoord2f(0, 0); glVertex2f(-163, -129); - glTexCoord2f(0, 1); glVertex2f(-163, 129); - glTexCoord2f(1, 1); glVertex2f( 163, 129); - glTexCoord2f(1, 0); glVertex2f( 163, -129); - glEnd; - gldisable(gl_texture_2d); - gldisable(GL_BLEND); - glPopMatrix; - end; + glDisable(GL_TEXTURE_2D); + glDisable(GL_BLEND); - // Blindy (zoom from 0 to full size and rotation, zoom zo doubble size and shift to upper right) - STime := Timings[10] - 10; - Delay := Timings[11] - Timings[10] + 5; - if CTime > STime then - begin - k := 0; - ESC_Alpha := 20; + // outro scrollers? + // ... +end; - try - for j := 0 to 40 do - begin - if (j < length(Data)) and - (k < length(Data)) then - begin - if Data[j] >= Data[k] then - k := j; - end; - end; - except - end; +{ name effects } +{ effects are called with blending texture and matrix prepared } +procedure Effect_Draw (const Tex: TTexture; Progress: double); +begin + glColor4f(1, 1, 1, 1); + glBegin(gl_Quads); + glTexCoord2f(0, 0); glVertex2f(-NameW/2, -NameH/2); + glTexCoord2f(0, 1); glVertex2f(-NameW/2, NameH/2); + glTexCoord2f(1, 1); glVertex2f( NameW/2, NameH/2); + glTexCoord2f(1, 0); glVertex2f( NameW/2, -NameH/2); + glEnd; +end; - if Data[k] > 0.25 then - ESC_Alpha := 5 - else - inc(ESC_Alpha); - if ESC_Alpha > 20 then - ESC_Alpha := 20; - if ((CTime - STime) < 20) then - ESC_Alpha := 20; - if CTime <= STime + 10 then - j := CTime - STime - else - j := 10; - if (CTime >= STime + Delay - 10) then - if (CTime <= STime + Delay) then - j := (STime + Delay) - CTime - else - j := 0; - glColor4f(1, 1, 1, ESC_Alpha / 20 * j / 10); - - if (CTime >= STime+20) and (CTime<=STime+22) then - begin - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 0); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 1); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 5); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 0); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 1); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 5); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 0); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 1); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 5); - end; +procedure Effect_OnBeatJitter (const Tex: TTexture; Progress: double); + var + Diff: cardinal; + Alpha: double; +begin + Diff := ScreenCredits.CTime - ScreenCredits.LastBeatTime; + if (Diff < BeatJitterTime) then + Alpha := 0.5 + 0.5 * Diff / BeatJitterTime + else + Alpha := 1; + + glColor4f(1, 1, 1, Alpha); + glBegin(gl_Quads); + glTexCoord2f(0, 0); glVertex2f(-NameW/2, -NameH/2); + glTexCoord2f(0, 1); glVertex2f(-NameW/2, NameH/2); + glTexCoord2f(1, 1); glVertex2f( NameW/2, NameH/2); + glTexCoord2f(1, 0); glVertex2f( NameW/2, -NameH/2); + glEnd; +end; - glPushMatrix; - gltranslatef(223, 329, 0); - if CTime <= STime + 20 then - begin - j := CTime - Stime; - glscalef(j * j / 400, j * j / 400, j * j / 400); - glrotatef(j * 18.0, 0, 0, 1); - end; - if CTime >= STime + Delay - 10 then - if CTime <= STime + Delay then - begin - j := CTime - (STime + Delay - 10); - f := j * 10.0; - gltranslatef(f * 3, -f, 0); - glscalef(1 + j / 10, 1 + j / 10, 1 + j / 10); - glrotatef(j * 9.0, 0, 0, 1); - end; - glBindTexture(GL_TEXTURE_2D, credits_blindy.TexNum); - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - glEnable(GL_BLEND); - glEnable(GL_TEXTURE_2D); - glbegin(gl_quads); - glTexCoord2f(0, 0); glVertex2f(-163, -129); - glTexCoord2f(0, 1); glVertex2f(-163, 129); - glTexCoord2f(1, 1); glVertex2f( 163, 129); - glTexCoord2f(1, 0); glVertex2f( 163, -129); - glEnd; - gldisable(gl_texture_2d); - gldisable(GL_BLEND); - glPopMatrix; - end; +procedure Effect_Rotate_Left_Top (const Tex: TTexture; Progress: double); +begin + glColor4f(1, 1, 1, Progress); + + gltranslatef(-NameX, 0, 0); + glrotatef(Progress * 90 + 270, 0, 0, 1); + gltranslatef(NameX, 0, 0); + + glBegin(gl_Quads); + glTexCoord2f(0, 0); glVertex2f(-NameW/2, -NameH/2); + glTexCoord2f(0, 1); glVertex2f(-NameW/2, NameH/2); + glTexCoord2f(1, 1); glVertex2f( NameW/2, NameH/2); + glTexCoord2f(1, 0); glVertex2f( NameW/2, -NameH/2); + glEnd; +end; - // Canni (shift in from left, shift out to upper right) - STime := Timings[11] - 10; - Delay := Timings[12] - Timings[11] + 5; - if CTime > STime then - begin - k := 0; - ESC_Alpha := 20; +procedure Effect_Rotate_Right_Bot (const Tex: TTexture; Progress: double); +begin + glColor4f(1, 1, 1, Progress); + + gltranslatef(NameX, 0, 0); + glrotatef((Progress - 1) * 90, 0, 0, 1); + gltranslatef(-NameX, 0, 0); + + glBegin(gl_Quads); + glTexCoord2f(0, 0); glVertex2f(-NameW/2, -NameH/2); + glTexCoord2f(0, 1); glVertex2f(-NameW/2, NameH/2); + glTexCoord2f(1, 1); glVertex2f( NameW/2, NameH/2); + glTexCoord2f(1, 0); glVertex2f( NameW/2, -NameH/2); + glEnd; +end; - try - for j := 0 to 40 do - begin - if (j < length(Data)) and - (k < length(Data)) then - begin - if Data[j] >= Data[k] then - k := j; - end; - end; - except - end; +procedure Effect_ZoomIn_Rotate (const Tex: TTexture; Progress: double); +begin + glColor4f(1, 1, 1, Progress); - if Data[k] > 0.25 then - ESC_Alpha := 5 - else - inc(ESC_Alpha); - if ESC_Alpha > 20 then - ESC_Alpha := 20; - if ((CTime - STime) < 20) then - ESC_Alpha := 20; - if CTime <= STime + 10 then - j := CTime - STime - else - j := 10; - if (CTime >= STime + Delay - 10) then - if (CTime <= STime + Delay) then - j := (STime + Delay) - CTime - else - j := 0; - glColor4f(1, 1, 1, ESC_Alpha / 20 * j / 10); - - if (CTime >= STime + 10) and (CTime <= STime + 12) then - begin - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 0); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 1); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 5); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 0); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 1); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 5); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 0); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 1); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 5); - end; + glscalef(sqr(Progress), sqr(Progress), sqr(Progress)); + glrotatef(Progress * 360, 0, 0, 1); - glPushMatrix; - gltranslatef(223, 329, 0); - if CTime <= STime + 10 then - begin - gltranslatef(((CTime - STime) * 21.0) - 210, 0, 0); - end; - if CTime >= STime + Delay - 10 then - if CTime <= STime + Delay then - begin - j := (CTime - (STime + Delay - 10)) * 21; - gltranslatef(j, -j / 2, 0); - end; - glBindTexture(GL_TEXTURE_2D, credits_canni.TexNum); - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - glEnable(GL_BLEND); - glEnable(GL_TEXTURE_2D); - glbegin(gl_quads); - glTexCoord2f(0, 0); glVertex2f(-163, -129); - glTexCoord2f(0, 1); glVertex2f(-163, 129); - glTexCoord2f(1, 1); glVertex2f( 163, 129); - glTexCoord2f(1, 0); glVertex2f( 163, -129); - glEnd; - gldisable(gl_texture_2d); - gldisable(GL_BLEND); - glPopMatrix; - end; + glBegin(gl_Quads); + glTexCoord2f(0, 0); glVertex2f(-NameW/2, -NameH/2); + glTexCoord2f(0, 1); glVertex2f(-NameW/2, NameH/2); + glTexCoord2f(1, 1); glVertex2f( NameW/2, NameH/2); + glTexCoord2f(1, 0); glVertex2f( NameW/2, -NameH/2); + glEnd; +end; - // Commandio (flip in from down, flip out to upper right) - STime := Timings[12] - 10; - Delay := Timings[13] - Timings[12]; - if CTime > STime then - begin - k := 0; - ESC_Alpha := 20; +procedure Effect_ZoomOut_Shift (const Tex: TTexture; Progress: double); + var + X: double; +begin + glColor4f(1, 1, 1, Progress); + + X := (1 - Progress); + gltranslatef(X * 300, -X * 100, 0); + glscalef(1 + X, 1 + X, 1 + X); + glrotatef(X * 90, 0, 0, 1); + + glBegin(gl_Quads); + glTexCoord2f(0, 0); glVertex2f(-NameW/2, -NameH/2); + glTexCoord2f(0, 1); glVertex2f(-NameW/2, NameH/2); + glTexCoord2f(1, 1); glVertex2f( NameW/2, NameH/2); + glTexCoord2f(1, 0); glVertex2f( NameW/2, -NameH/2); + glEnd; +end; - try - for j := 0 to 40 do - begin - if (j < length(Data)) and - (k < length(Data)) then - begin - if Data[j] >= Data[k] then - k := j; - end; - end; - except - end; +procedure Effect_Shift_Left (const Tex: TTexture; Progress: double); +begin + glColor4f(1, 1, 1, Progress); - if Data[k] > 0.25 then - ESC_Alpha := 5 - else - inc(ESC_Alpha); - if ESC_Alpha > 20 then - ESC_Alpha := 20; - if ((CTime - STime) < 20) then - ESC_Alpha := 20; - if CTime <= STime + 10 then - j := CTime - STime - else - j := 10; - if (CTime >= STime + Delay - 10) then - if (CTime <= STime + Delay) then - j := (STime + Delay) - CTime - else - j := 0; - glColor4f(1, 1, 1, ESC_Alpha / 20 * j / 10); - - if (CTime >= STime + 10) and (CTime <= STime + 12) then - begin - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 0); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 1); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 5); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 0); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 1); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 5); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 0); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 1); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 5); - end; + glTranslatef((Progress - 1) * 210, 0, 0); - glPushMatrix; - gltranslatef(223, 329, 0); - if CTime <= STime + 10 then - f := 258.0 - 25.8 * (CTime - STime) - else - f := 0; - g := 0; - if CTime >= STime + Delay - 10 then - if CTime <= STime + Delay then - begin - j := CTime - (STime + Delay - 10); - g := 32.6 * j; - end; - glBindTexture(GL_TEXTURE_2D, credits_commandio.TexNum); - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - glEnable(GL_BLEND); - glEnable(GL_TEXTURE_2D); - glbegin(gl_quads); - glTexCoord2f(0, 0); glVertex2f(-163 + g - f * 1.5, -129 + f * 1.5 - g/2); - glTexCoord2f(0, 1); glVertex2f(-163 + g * 1.5, 129 - (g * 1.5 * 258 / 326)); - glTexCoord2f(1, 1); glVertex2f( 163 + g, 129 + g / 4); - glTexCoord2f(1, 0); glVertex2f( 163 + f * 1.5 + g / 4, -129 + f * 1.5 - g / 4); - glEnd; - gldisable(gl_texture_2d); - gldisable(GL_BLEND); - glPopMatrix; - end; + glBegin(gl_Quads); + glTexCoord2f(0, 0); glVertex2f(-NameW/2, -NameH/2); + glTexCoord2f(0, 1); glVertex2f(-NameW/2, NameH/2); + glTexCoord2f(1, 1); glVertex2f( NameW/2, NameH/2); + glTexCoord2f(1, 0); glVertex2f( NameW/2, -NameH/2); + glEnd; +end; - // lazy joker (just scrolls from left to right, no twinkling stars, no on-beat flashing) - STime := Timings[13] - 35; - Delay := Timings[14] - Timings[13] + 5; - if CTime > STime then - begin - k := 0; +procedure Effect_Shift_Right_Top (const Tex: TTexture; Progress: double); +begin + glColor4f(1, 1, 1, Progress); - try - for j := 0 to 40 do - begin - if (j < length(Data)) and - (k < length(Data)) then - begin - if Data[j] >= Data[k] then - k := j; - end; - end; - except - end; + glTranslatef((1 - Progress) * 210, (Progress - 1) * 105, 0); - if Data[k] > 0.25 then - ESC_Alpha := 5 - else - inc(ESC_Alpha); - if ESC_Alpha > 20 then - ESC_Alpha := 20; - if ((CTime - STime) > 10) and ((CTime - STime) < 20) then - ESC_Alpha := 20; - ESC_Alpha := 10; - f := CTime - STime; - if CTime <= STime + 40 then - j := CTime - STime - else - j := 40; - if (CTime >= STime + Delay - 40) then - if (CTime <= STime + Delay) then - j := (STime + Delay) - CTime - else - j := 0; - glColor4f(1, 1, 1, ESC_Alpha / 20 * j * j / 1600); - - glPushMatrix; - gltranslatef(180 + (f - 70), 329, 0); - glBindTexture(GL_TEXTURE_2D, credits_lazyjoker.TexNum); - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - glEnable(GL_BLEND); - glEnable(GL_TEXTURE_2D); - glbegin(gl_quads); - glTexCoord2f(0, 0); glVertex2f(-163, -129); - glTexCoord2f(0, 1); glVertex2f(-163, 129); - glTexCoord2f(1, 1); glVertex2f( 163, 129); - glTexCoord2f(1, 0); glVertex2f( 163, -129); - glEnd; - gldisable(gl_texture_2d); - gldisable(GL_BLEND); - glPopMatrix; - end; + glBegin(gl_Quads); + glTexCoord2f(0, 0); glVertex2f(-NameW/2, -NameH/2); + glTexCoord2f(0, 1); glVertex2f(-NameW/2, NameH/2); + glTexCoord2f(1, 1); glVertex2f( NameW/2, NameH/2); + glTexCoord2f(1, 0); glVertex2f( NameW/2, -NameH/2); + glEnd; +end; - // Mog (flip in from right, flip out to lower right) - STime := Timings[14] - 10; - Delay := Timings[15] - Timings[14] + 5; - if CTime > STime then - begin - k := 0; - ESC_Alpha := 20; +procedure Effect_Flip_Bot (const Tex: TTexture; Progress: double); + var + X: double; +begin + glColor4f(1, 1, 1, Progress); - try - for j := 0 to 40 do - begin - if (j < length(Data)) and - (k < length(Data)) then - begin - if Data[j] >= Data[k] then - k := j; - end; - end; - except - end; + X := NameH * (1 - Progress); - if Data[k] > 0.25 then - ESC_Alpha := 5 - else - inc(ESC_Alpha); - if ESC_Alpha > 20 then - ESC_Alpha := 20; - if ((CTime - STime) < 20) then - ESC_Alpha := 20; - if CTime <= STime + 10 then - j := CTime - STime - else - j := 10; - if (CTime >= STime + Delay - 10) then - if (CTime <= STime + Delay) then - j := (STime + Delay) - CTime - else - j := 0; - glColor4f(1, 1, 1, ESC_Alpha / 20 * j / 10); - - if (CTime >= STime + 10) and (CTime <= STime + 12) then - begin - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 0); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 1); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 5); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 0); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 1); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 5); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 0); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 1); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 5); - end; + glBegin(gl_Quads); + glTexCoord2f(0, 0); glVertex2f(-NameW/2 - 1.5 * X, -NameH/2 + 1.5 * X); + glTexCoord2f(0, 1); glVertex2f(-NameW/2, NameH/2); + glTexCoord2f(1, 1); glVertex2f( NameW/2, NameH/2); + glTexCoord2f(1, 0); glVertex2f( NameW/2 + 1.5 * X, -NameH/2 + 1.5 * X); + glEnd; +end; - glPushMatrix; - gltranslatef(223, 329, 0); - if CTime <= STime + 10 then - f := 326.0 - 32.6 * (CTime - STime) - else - f := 0; - - g := 0; - if CTime >= STime + Delay - 10 then - if CTime <= STime + Delay then - begin - j := CTime - (STime + Delay - 10); - g := 32.6 * j; - end; - glBindTexture(GL_TEXTURE_2D, credits_mog.TexNum); - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - glEnable(GL_BLEND); - glEnable(GL_TEXTURE_2D); - glbegin(gl_quads); - glTexCoord2f(0, 0); glVertex2f(-163 + g * 1.5, -129 + g * 1.5); - glTexCoord2f(0, 1); glVertex2f(-163 + g * 1.2, 129 + g); - glTexCoord2f(1, 1); glVertex2f( 163 - f + g / 2, 129 + f * 1.5 + g / 4); - glTexCoord2f(1, 0); glVertex2f( 163 - f + g * 1.5, -129 - f * 1.5); - glEnd; - gldisable(gl_texture_2d); - gldisable(GL_BLEND); - glPopMatrix; - end; +procedure Effect_Flip_Right_Top (const Tex: TTexture; Progress: double); + var + X: double; +begin + glColor4f(1, 1, 1, Progress); - // Mota (rotate in from upper right, shift out to lower left while shrinking and rotateing) - STime := Timings[15] - 10; - Delay := Timings[16] - Timings[15] + 5; - if CTime > STime then - begin - k := 0; - ESC_Alpha := 20; + X := NameW * (1 - Progress); - try - for j := 0 to 40 do - begin - if (j < length(Data)) and - (k < length(Data)) then - begin - if Data[j] >= Data[k] then - k := j; - end; - end; - except - end; + glBegin(gl_Quads); + glTexCoord2f(0, 0); glVertex2f(-NameW/2 + X, -NameH/2 - X/2); + glTexCoord2f(0, 1); glVertex2f(-NameW/2 + X, NameH/2 - (X * 1.5 * NameH / NameW)); + glTexCoord2f(1, 1); glVertex2f( NameW/2 + X, NameH/2 + X / 4); + glTexCoord2f(1, 0); glVertex2f( NameW/2 + X, -NameH/2 - X / 4); + glEnd; +end; - if Data[k] > 0.25 then - ESC_Alpha := 5 - else - inc(ESC_Alpha); - if ESC_Alpha > 20 then - ESC_Alpha := 20; - if ((CTime - STime) < 20) then - ESC_Alpha := 20; - if CTime <= STime + 10 then - j := CTime - STime - else - j := 10; - if (CTime >= STime + Delay - 10) then - if (CTime <= STime + Delay) then - j := (STime + Delay) - CTime - else - j := 0; - glColor4f(1, 1, 1, ESC_Alpha / 20 * j / 10); - - if (CTime >= STime + 10) and (CTime <= STime + 12) then - begin - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 0); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 1); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 5); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 0); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 1); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 5); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 0); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 1); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 5); - end; +procedure Effect_Flip_Right (const Tex: TTexture; Progress: double); + var + X: double; +begin + glColor4f(1, 1, 1, Progress); - glPushMatrix; - gltranslatef(223, 329, 0); - if CTime <= STime + 10 then - begin - gltranslatef(223, 0, 0); - glrotatef((10 - (CTime - STime)) * 9, 0, 0, 1); - gltranslatef(-223, 0, 0); - end; - if CTime >= STime + Delay - 10 then - if CTime <= STime + Delay then - begin - j := CTime - (STime + Delay - 10); - f := j * 10.0; - gltranslatef(-f * 2, -f, 0); - glscalef(1 - j / 10, 1 - j / 10, 1 - j / 10); - glrotatef(-j * 9.0, 0, 0, 1); - end; - glBindTexture(GL_TEXTURE_2D, credits_mota.TexNum); - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - glEnable(GL_BLEND); - glEnable(GL_TEXTURE_2D); - glbegin(gl_quads); - glTexCoord2f(0, 0); glVertex2f(-163, -129); - glTexCoord2f(0, 1); glVertex2f(-163, 129); - glTexCoord2f(1, 1); glVertex2f( 163, 129); - glTexCoord2f(1, 0); glVertex2f( 163, -129); - glEnd; - gldisable(gl_texture_2d); - gldisable(GL_BLEND); - glPopMatrix; - end; + X := NameW * (1 - Progress); - // Skillmaster (shift in from lower right, rotate out to upper right) - STime := Timings[16] - 10; - Delay := Timings[17] - Timings[16] + 5; - if CTime > STime then - begin - k := 0; - ESC_Alpha := 20; + glBegin(gl_Quads); + glTexCoord2f(0, 0); glVertex2f(-NameW/2, -NameH/2); + glTexCoord2f(0, 1); glVertex2f(-NameW/2, NameH/2); + glTexCoord2f(1, 1); glVertex2f( NameW/2 - X, NameH/2 + X * 1.5); + glTexCoord2f(1, 0); glVertex2f( NameW/2 - X, -NameH/2 - X * 1.5); + glEnd; +end; - try - for j := 0 to 40 do - begin - if (j < length(Data)) and - (k < length(Data)) then - begin - if Data[j] >= Data[k] then - k := j; - end; - end; - except - end; +procedure Effect_Flip_Right_Bot (const Tex: TTexture; Progress: double); + var + X: double; +begin + glColor4f(1, 1, 1, Progress); - if Data[k] > 0.25 then - ESC_Alpha := 5 - else - inc(ESC_Alpha); - if ESC_Alpha > 20 then - ESC_Alpha := 20; - if ((CTime - STime) < 20) then - ESC_Alpha := 20; - if CTime <= STime + 10 then - j := CTime - STime - else - j := 10; - if (CTime >= STime + Delay - 10) then - if (CTime <= STime + Delay) then - j := (STime + Delay) - CTime - else - j := 0; - glColor4f(1, 1, 1, ESC_Alpha / 20 * j / 10); - - if (CTime >= STime + 10) and (CTime <= STime + 12) then - begin - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 0); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 1); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 5); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 0); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 1); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 5); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 0); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 1); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 5); - end; + X := NameW * (1 - Progress); - glPushMatrix; - gltranslatef(223, 329, 0); - if CTime <= STime + 10 then - begin - j := STime + 10 - CTime; - f := j * 10.0; - gltranslatef(+f * 2, +f / 2, 0); - end; - if CTime >= STime + Delay - 10 then - if CTime <= STime + Delay then - begin - j := CTime - (STime + Delay - 10); - gltranslatef(0, -223, 0); - glrotatef(integer(j) * -9, 0, 0, 1); - gltranslatef(0, 223, 0); - glrotatef(j * 9, 0, 0, 1); - end; - glBindTexture(GL_TEXTURE_2D, credits_skillmaster.TexNum); - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - glEnable(GL_BLEND); - glEnable(GL_TEXTURE_2D); - glbegin(gl_quads); - glTexCoord2f(0, 0); glVertex2f(-163, -129); - glTexCoord2f(0, 1); glVertex2f(-163, 129); - glTexCoord2f(1, 1); glVertex2f( 163, 129); - glTexCoord2f(1, 0); glVertex2f( 163, -129); - glEnd; - gldisable(gl_texture_2d); - gldisable(GL_BLEND); - glPopMatrix; - end; + glBegin(gl_Quads); + glTexCoord2f(0, 0); glVertex2f(-NameW/2 + X * 1.5, -NameH/2 + X * 1.5); + glTexCoord2f(0, 1); glVertex2f(-NameW/2 + X * 1.2, NameH/2 + X); + glTexCoord2f(1, 1); glVertex2f( NameW/2 + X / 2, NameH/2 + X / 4); + glTexCoord2f(1, 0); glVertex2f( NameW/2 + X * 1.5, -NameH/2); + glEnd; +end; - // WhiteShark (flip in from lower left, flip out to upper right) - STime := Timings[17] - 10; - Delay := Timings[18] - Timings[17]; - if CTime > STime then - begin - k := 0; - ESC_Alpha := 20; +procedure Effect_Rotate_Right_Top (const Tex: TTexture; Progress: double); +begin + glColor4f(1, 1, 1, Progress); + + glTranslatef(NameX, 0, 0); + glrotatef((1 - Progress) * 90, 0, 0, 1); + glTranslatef(-NameX, 0, 0); + + glBegin(gl_Quads); + glTexCoord2f(0, 0); glVertex2f(-NameW/2, -NameH/2); + glTexCoord2f(0, 1); glVertex2f(-NameW/2, NameH/2); + glTexCoord2f(1, 1); glVertex2f( NameW/2, NameH/2); + glTexCoord2f(1, 0); glVertex2f( NameW/2, -NameH/2); + glEnd; +end; - try - for j := 0 to 40 do - begin - if (j < length(Data)) and - (k < length(Data)) then - begin - if Data[j] >= Data[k] then - k := j; - end; - end; - except - end; +procedure Effect_Shift_Weird (const Tex: TTexture; Progress: double); + var + X: double; +begin + glColor4f(1, 1, 1, Progress); - if Data[k] > 0.25 then - ESC_Alpha := 5 - else - inc(ESC_Alpha); - if ESC_Alpha > 20 then - ESC_Alpha := 20; - if ((CTime - STime) < 20) then - ESC_Alpha := 20; - if CTime <= STime + 10 then - j := CTime - STime - else - j := 10; - if (CTime >= STime + Delay - 10) then - if (CTime <= STime + Delay) then - j := (STime + Delay) - CTime - else - j := 0; - glColor4f(1, 1, 1, ESC_Alpha / 20 * j / 10); - - if (CTime >= STime + 10) and (CTime <= STime + 12) then - begin - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 0); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 1); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 5); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 0); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 1); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 5); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 0); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 1); - GoldenRec.Spawn(RandomRange(65,390), RandomRange(200,460), 1, 16, 0, -1, PerfectLineTwinkle, 5); - end; + X := (Progress - 1); - glPushMatrix; - gltranslatef(223, 329, 0); - if CTime <= STime + 10 then - f := 326.0 - 32.6 * (CTime - STime) - else - f := 0; + glTranslatef(X * 200, X * 100, 0); + glScalef(Progress, Progress, Progress); + glRotatef(X * 90, 0, 0, 1); - if (CTime >= STime + Delay - 10) and (CTime <= STime + Delay) then - begin - j := CTime - (STime + Delay - 10); - g := 32.6 * j; - end - else - begin - g := 0; - end; + glBegin(gl_Quads); + glTexCoord2f(0, 0); glVertex2f(-NameW/2, -NameH/2); + glTexCoord2f(0, 1); glVertex2f(-NameW/2, NameH/2); + glTexCoord2f(1, 1); glVertex2f( NameW/2, NameH/2); + glTexCoord2f(1, 0); glVertex2f( NameW/2, -NameH/2); + glEnd; +end; - glBindTexture(GL_TEXTURE_2D, credits_whiteshark.TexNum); - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - glEnable(GL_BLEND); - glEnable(GL_TEXTURE_2D); - glbegin(gl_quads); - glTexCoord2f(0, 0); glVertex2f(-163 - f + g, -129 + f / 4 - g / 2); - glTexCoord2f(0, 1); glVertex2f(-163 - f / 4 + g, 129 + g / 2 + f / 4); - glTexCoord2f(1, 1); glVertex2f( 163 - f * 1.2 + g / 4, 129 + f / 2 - g / 4); - glTexCoord2f(1, 0); glVertex2f( 163 - f * 1.5 + g / 4, -129 + f * 1.5 + g / 4); - glEnd; - gldisable(gl_texture_2d); - gldisable(GL_BLEND); - glPopMatrix; - end; +procedure Effect_Shift_Right_Bot (const Tex: TTexture; Progress: double); +begin + glColor4f(1, 1, 1, Progress); - Log.LogStatus('', ' JB-103'); + glTranslatef((1 - Progress) * 200, (1 - Progress) * 100, 0); - // #################################################################### - // do some twinkle stuff (kinda on beat) + glBegin(gl_Quads); + glTexCoord2f(0, 0); glVertex2f(-NameW/2, -NameH/2); + glTexCoord2f(0, 1); glVertex2f(-NameW/2, NameH/2); + glTexCoord2f(1, 1); glVertex2f( NameW/2, NameH/2); + glTexCoord2f(1, 0); glVertex2f( NameW/2, -NameH/2); + glEnd; +end; - if (CTime > Timings[8] ) and - (CTime < Timings[19]) then - begin - k := 0; - - try - for j := 0 to 40 do - begin - if (j < length(Data)) and - (k < length(Data)) then - begin - if Data[j] >= Data[k] then - k := j; - end; - end; - except - end; +procedure Effect_Rotate_Right_Top2 (const Tex: TTexture; Progress: double); +begin + glColor4f(1, 1, 1, Progress); + + glTranslatef(0, -NameX, 0); + glRotatef((Progress - 1) * 90, 0, 0, 1); + glTranslatef(0, NameX, 0); + glRotatef((1 - Progress) * 90, 0, 0, 1); + + glBegin(gl_Quads); + glTexCoord2f(0, 0); glVertex2f(-NameW/2, -NameH/2); + glTexCoord2f(0, 1); glVertex2f(-NameW/2, NameH/2); + glTexCoord2f(1, 1); glVertex2f( NameW/2, NameH/2); + glTexCoord2f(1, 0); glVertex2f( NameW/2, -NameH/2); + glEnd; +end; - if Data[k] > 0.2 then - begin - l := RandomRange(6, 16); - j := RandomRange(0, 27); - - GoldenRec.Spawn(myLogoCoords[j,0], myLogoCoords[j,1], 16-l, l, 0, -1, PerfectNote, 0); - end; - end; +procedure Effect_Flip_Left_Bot (const Tex: TTexture; Progress: double); + var + X: double; +begin + glColor4f(1, 1, 1, Progress); - //################################################# - // draw the rest of the main screen (girl and logo) - - glEnable(GL_TEXTURE_2D); - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - glEnable(GL_BLEND); - glColor4f(1, 1, 1, 1); - glBindTexture(GL_TEXTURE_2D, credits_bg_ovl.TexNum); - glbegin(gl_quads); - glTexCoord2f( 0, 0); glVertex2f(800-393, 0); - glTexCoord2f( 0, 600/1024); glVertex2f(800-393, 600); - glTexCoord2f(393/512, 600/1024); glVertex2f(800, 600); - glTexCoord2f(393/512, 0); glVertex2f(800, 0); - glEnd; + X := (1 - Progress) * NameW; -{ - glBindTexture(GL_TEXTURE_2D, credits_bg_logo.TexNum); - glbegin(gl_quads); - glTexCoord2f( 0, 0); glVertex2f( 0, 0); - glTexCoord2f( 0, 112/128); glVertex2f( 0, 112); - glTexCoord2f(497/512, 112/128); glVertex2f(497, 112); - glTexCoord2f(497/512, 0); glVertex2f(497, 0); - glEnd; -} - - gldisable(gl_texture_2d); - glDisable(GL_BLEND); + glBegin(gl_Quads); + glTexCoord2f(0, 0); glVertex2f(-NameW/2 - X, -NameH/2 + X / 4); + glTexCoord2f(0, 1); glVertex2f(-NameW/2 - X / 4, NameH/2 + X / 4); + glTexCoord2f(1, 1); glVertex2f( NameW/2 - X * 1.2, NameH/2 + X / 2); + glTexCoord2f(1, 0); glVertex2f( NameW/2 - X * 1.5, -NameH/2 + X * 1.5); + glEnd; +end; - // fade out at end of main part - if Ctime > Timings[19] then - begin - glColor4f(0, 0, 0, (CTime - Timings[19]) / (Timings[20] - Timings[19])); - glEnable(GL_BLEND); - glBegin(GL_QUADS); - glVertex2f( 0, 0); - glVertex2f( 0, 600); - glVertex2f(800, 600); - glVertex2f(800, 0); - glEnd; - glDisable(GL_BLEND); - end; - end - else - if (CRDTS_Stage = Outro) then - begin - if CTime = Timings[20] then - begin - CTime_hold := 0; - AudioPlayback.Stop; - AudioPlayback.Open(SoundPath.Append('credits-outro-tune.mp3')); - AudioPlayback.SetVolume(0.2); - AudioPlayback.SetLoop(true); - AudioPlayback.Play; - end; - if CTime_hold > 231 then - begin - AudioPlayback.Play; - Ctime_hold := 0; - end; - glClearColor(0, 0, 0, 0); - glClear(GL_COLOR_BUFFER_BIT or GL_DEPTH_BUFFER_BIT); - - // do something useful - // outro background - glEnable(GL_TEXTURE_2D); - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - glEnable(GL_BLEND); - - glColor4f(1, 1, 1, 1); - glBindTexture(GL_TEXTURE_2D, outro_bg.TexNum); - glbegin(gl_quads); - glTexCoord2f( 0, 0); glVertex2f( 0, 0); - glTexCoord2f( 0, 600/1024); glVertex2f( 0, 600); - glTexCoord2f(800/1024, 600/1024); glVertex2f(800, 600); - glTexCoord2f(800/1024, 0); glVertex2f(800, 0); - glEnd; - - // outro overlays - glColor4f(1, 1, 1, (1 + sin(CTime / 15)) / 3 + 1/3); - glBindTexture(GL_TEXTURE_2D, outro_esc.TexNum); - glbegin(gl_quads); - glTexCoord2f( 0, 0); glVertex2f( 0, 0); - glTexCoord2f( 0, 223/256); glVertex2f( 0, 223); - glTexCoord2f(487/512, 223/256); glVertex2f(487, 223); - glTexCoord2f(487/512, 0); glVertex2f(487, 0); - glEnd; - - ESC_Alpha := 20; - if (RandomRange(0,20) > 18) and (ESC_Alpha = 20) then - ESC_Alpha := 0 - else - inc(ESC_Alpha); - if ESC_Alpha > 20 then - ESC_Alpha := 20; - glColor4f(1, 1, 1, ESC_Alpha / 20); - glBindTexture(GL_TEXTURE_2D, outro_exd.TexNum); - glbegin(gl_quads); - glTexCoord2f( 0, 0); glVertex2f(800-310, 600-247); - glTexCoord2f( 0, 247/256); glVertex2f(800-310, 600 ); - glTexCoord2f(310/512, 247/256); glVertex2f(800, 600 ); - glTexCoord2f(310/512, 0); glVertex2f(800, 600-247); - glEnd; - glDisable(GL_TEXTURE_2D); - glDisable(GL_BLEND); - - // outro scrollers? - // ... - end; +procedure Effect_Flip_Right_Top2 (const Tex: TTexture; Progress: double); + var + X: double; +begin + glColor4f(1, 1, 1, Progress); -{ - // draw credits runtime counter - SetFontStyle (2); - SetFontItalic(false); - SetFontSize(27); - SetFontPos (5, 5); - glColor4f(1, 1, 1, 1); -// RuntimeStr := 'CTime: ' + inttostr(floor(CTime / 30.320663991914489602156136106092)) + '.' + inttostr(floor(CTime / 3.0320663991914489602156136106092) - floor(CTime / 30.320663991914489602156136106092) * 10); - RuntimeStr := 'CTime: ' + inttostr(CTime); - glPrint (RuntimeStr[1]); -} + X := (1 - Progress) * NameW; - // make the stars shine - GoldenRec.Draw; + glBegin(gl_Quads); + glTexCoord2f(0, 0); glVertex2f(-NameW/2 + X, -NameH/2 - X / 2); + glTexCoord2f(0, 1); glVertex2f(-NameW/2 + X, NameH/2 + X / 2); + glTexCoord2f(1, 1); glVertex2f( NameW/2 + X / 4, NameH/2 - X / 4); + glTexCoord2f(1, 0); glVertex2f( NameW/2 + X / 4, -NameH/2 + X / 4); + glEnd; +end; + +procedure Effect_Twinkle_Down (const Tex: TTexture; Progress: double); +begin + // draw name + glColor4f(1, 1, 1, 1); + + glTranslatef(0, NameH/2, 0); + + glBegin(gl_Quads); + glTexCoord2f(0, 0); glVertex2f(-NameW/2, -NameH * Progress); + glTexCoord2f(0, Progress); glVertex2f(-NameW/2, 0); + glTexCoord2f(1, Progress); glVertex2f( NameW/2, 0); + glTexCoord2f(1, 0); glVertex2f( NameW/2, -NameH * Progress); + glEnd; + + //spawn some stars on the edge + GoldenRec.Spawn(NameX + RandomRange(-NameW div 2, NameW div 2), NameY - NameH/2 + (1 - Progress) * NameH, 1, 16, 0, -1, PerfectLineTwinkle, 0); + GoldenRec.Spawn(NameX + RandomRange(-NameW div 2, NameW div 2), NameY - NameH/2 + (1 - Progress) * NameH, 1, 16, 0, -1, PerfectLineTwinkle, 1); + GoldenRec.Spawn(NameX + RandomRange(-NameW div 2, NameW div 2), NameY - NameH/2 + (1 - Progress) * NameH, 1, 16, 0, -1, PerfectLineTwinkle, 5); + GoldenRec.Spawn(NameX + RandomRange(-NameW div 2, NameW div 2), NameY - NameH/2 + (1 - Progress) * NameH, 1, 16, 0, -1, PerfectLineTwinkle, 0); + GoldenRec.Spawn(NameX + RandomRange(-NameW div 2, NameW div 2), NameY - NameH/2 + (1 - Progress) * NameH, 1, 16, 0, -1, PerfectLineTwinkle, 1); + GoldenRec.Spawn(NameX + RandomRange(-NameW div 2, NameW div 2), NameY - NameH/2 + (1 - Progress) * NameH, 1, 16, 0, -1, PerfectLineTwinkle, 5); + GoldenRec.Spawn(NameX + RandomRange(-NameW div 2, NameW div 2), NameY - NameH/2 + (1 - Progress) * NameH, 1, 16, 0, -1, PerfectLineTwinkle, 0); + GoldenRec.Spawn(NameX + RandomRange(-NameW div 2, NameW div 2), NameY - NameH/2 + (1 - Progress) * NameH, 1, 16, 0, -1, PerfectLineTwinkle, 1); + GoldenRec.Spawn(NameX + RandomRange(-NameW div 2, NameW div 2), NameY - NameH/2 + (1 - Progress) * NameH, 1, 16, 0, -1, PerfectLineTwinkle, 5); +end; + +{ beat detection algorithm + based on a tutorial from Frédéric Patin on gamedev.net + http://www.gamedev.net/reference/programming/features/beatdetection/default.asp } + +{ calculates average value of a history buffer } +function Average(History: TEnergyHistory): single; + var I: integer; +begin + Result := 0; + + for I := 0 to HistoryLength - 1 do + Result := Result + History[I]; + + Result := Result / HistoryLength; +end; + +{ calculates variance value of a history buffer } +function Variance(History: TEnergyHistory; Average: single): single; + var I: integer; +begin + Result := 0; + + for I := 0 to HistoryLength - 1 do + Result := Result + sqr(History[I] - Average); + + Result := Result / HistoryLength; +end; + +{ shifts all values of the history to the right and + adds the new value at the front } +procedure AddHistory(Value: single; var History: TEnergyHistory); + var I: integer; +begin + for I := HistoryLength - 1 downto 1 do + History[I] := History[I-1]; + + History[0] := Value; +end; + +{ calculates instant energy from FFT data for a specific + subchannel (0..SubChannelCount - 1) } +function CalculateInstantEnergy(SubChannel: integer; Data: TFFTData): single; + var I: integer; +begin + Result := 0; + for I := SubChannel * SamplesPerChannel to (SubChannel + 1) * SamplesPerChannel - 1 do + Result := Result + Data[I] * BeatEnergyModifier; + + Result := Result / SamplesPerChannel; +end; + +procedure TScreenCredits.DetectBeat; + var + Data: TFFTData; + I: integer; + Instant: single; + C, E, V: single; +begin + AudioPlayback.GetFFTData(Data); + + // do beatdetection for every subchannel + for I := 0 to SubChannelCount - 1 do + begin + Instant := CalculateInstantEnergy(I, Data); + E := Average(SubchannelHistory[I]); + V := Variance(SubchannelHistory[I], E); + + C := (-0.0025714 * V) + 1.5142857; + + AddHistory(Instant, SubChannelHistory[I]); + + if (Instant > 2) and (Instant > C * E) then + begin + // beat detected + BeatDetected := true; + LastBeatTime := CTime; + end; + end; end; end. |