316 lines
8.2 KiB
ObjectPascal
316 lines
8.2 KiB
ObjectPascal
{
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Apophysis Copyright (C) 2001-2004 Mark Townsend
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Apophysis Copyright (C) 2005-2006 Ronald Hordijk, Piotr Borys, Peter Sdobnov
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Apophysis Copyright (C) 2007-2008 Piotr Borys, Peter Sdobnov
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Apophysis "3D hack" Copyright (C) 2007-2008 Peter Sdobnov
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Apophysis "7X" Copyright (C) 2009-2010 Georg Kiehne
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Apophysis AV "Phoenix Edition" Copyright (C) 2021 Alice V. Koryagina
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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}
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unit varPDJ;
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interface
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uses
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BaseVariation, XFormMan;
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{$ifdef CPUX86}
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{$define _ASM_}
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{$endif}
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type
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TVariationPDJ = class(TBaseVariation)
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private
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FA,FB,FC,FD: double;
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procedure CalcABC0;
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procedure CalcAB00;
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procedure CalcA000;
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public
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constructor Create;
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class function GetName: string; override;
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class function GetInstance: TBaseVariation; override;
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function GetNrVariables: integer; override;
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function GetVariableNameAt(const Index: integer): string; override;
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function SetVariable(const Name: string; var value: double): boolean; override;
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function GetVariable(const Name: string; var value: double): boolean; override;
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procedure GetCalcFunction(var f: TCalcFunction); override;
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procedure CalcFunction; override;
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end;
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implementation
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uses
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Math;
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{ TVariationPDJ }
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///////////////////////////////////////////////////////////////////////////////
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procedure TVariationPDJ.GetCalcFunction(var f: TCalcFunction);
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begin
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if FD = 0 then begin
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if FC = 0 then begin
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if FB = 0 then
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f := CalcA000
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else
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f := CalcAB00;
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end
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else f := CalcABC0;
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end
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else f := CalcFunction;
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end;
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///////////////////////////////////////////////////////////////////////////////
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procedure TVariationPDJ.CalcFunction;
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{$ifndef _ASM_}
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begin
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FPx^ := FPx^ + vvar * (sin(FA * FTy^) - cos(FB * FTx^));
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FPy^ := FPy^ + vvar * (sin(FC * FTx^) - cos(FD * FTy^));
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FPz^ := FPz^ + vvar * FTz^;
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{$else}
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asm
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fld qword ptr [eax + vvar]
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mov edx, [eax + FTx]
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// AV: 3D stuff, for Apo7X.15C compatibility
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fld st
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fmul qword ptr [edx + 32] // FTz
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fadd qword ptr [edx + 40] // FPz
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fstp qword ptr [edx + 40]
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// main code
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fld qword ptr [edx + 8] // FTy
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fld qword ptr [edx] // FTx
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fld st(1)
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fmul qword ptr [eax + Fa]
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fsin
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fld st(1)
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fmul qword ptr [eax + Fb]
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fcos
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fsubp st(1), st
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fmul st, st(3)
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fadd qword ptr [edx + 16] // FPx
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fstp qword ptr [edx + 16]
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fmul qword ptr [eax + Fc]
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fsin
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fxch st(1)
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fmul qword ptr [eax + Fd]
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fcos
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fsubp st(1), st
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fmulp
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fadd qword ptr [edx + 24] // FPy
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fstp qword ptr [edx + 24]
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{$endif}
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end;
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///////////////////////////////////////////////////////////////////////////////
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procedure TVariationPDJ.CalcABC0;
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{$ifndef _ASM_}
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begin
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FPx^ := FPx^ + vvar * (sin(FA * FTy^) - cos(FB * FTx^));
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FPy^ := FPy^ + vvar * (sin(FC * FTx^) - 1);
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FPz^ := FPz^ + vvar * FTz^;
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{$else}
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asm
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fld qword ptr [eax + vvar]
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mov edx, [eax + FTx]
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// AV: for Apo7X.15C compatibility
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fld st
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fmul qword ptr [edx + 32] // FTz
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fadd qword ptr [edx + 40] // FPz
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fstp qword ptr [edx + 40]
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// main code
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fld qword ptr [edx + 8] // FTy
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fld qword ptr [edx] // FTx
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fld st(1)
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fmul qword ptr [eax + Fa]
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fsin
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fld st(1)
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fmul qword ptr [eax + Fb]
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fcos
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fsubp st(1), st
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fmul st, st(3)
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fadd qword ptr [edx + 16] // FPx
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fstp qword ptr [edx + 16]
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fmul qword ptr [eax + Fc]
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fsin
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fstp st(1)
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fld1
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fsubp st(1), st
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fmulp
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fadd qword ptr [edx + 24] // FPy
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fstp qword ptr [edx + 24]
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{$endif}
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end;
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///////////////////////////////////////////////////////////////////////////////
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procedure TVariationPDJ.CalcAB00;
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{$ifndef _ASM_}
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begin
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FPx^ := FPx^ + vvar * (sin(FA * FTy^) - cos(FB * FTx^));
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FPy^ := FPy^ - vvar;
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FPz^ := FPz^ + vvar * FTz^;
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{$else}
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asm
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fld qword ptr [eax + vvar]
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mov edx, [eax + FTx]
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// AV: for Apo7X.15C compatibility
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fld st
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fmul qword ptr [edx + 32] // FTz
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fadd qword ptr [edx + 40] // FPz
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fstp qword ptr [edx + 40]
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// main code
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fld qword ptr [edx + 8] // FTy
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fmul qword ptr [eax + Fa]
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fsin
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fld qword ptr [edx] // FTx
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fmul qword ptr [eax + Fb]
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fcos
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fsubp st(1), st
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fmul st, st(1)
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fadd qword ptr [edx + 16] // FPx
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fstp qword ptr [edx + 16]
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fsubr qword ptr [edx + 24] // FPy
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fstp qword ptr [edx + 24]
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{$endif}
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end;
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///////////////////////////////////////////////////////////////////////////////
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procedure TVariationPDJ.CalcA000;
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{$ifndef _ASM_}
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begin
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FPx^ := FPx^ + vvar * (sin(FA * FTy^) - 1);
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FPy^ := FPy^ - vvar;
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FPz^ := FPz^ + vvar * FTz^;
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{$else}
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asm
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fld qword ptr [eax + vvar]
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mov edx, [eax + FTx]
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// AV: for Apo7X.15C compatibility
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fld st
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fmul qword ptr [edx + 32] // FTz
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fadd qword ptr [edx + 40] // FPz
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fstp qword ptr [edx + 40]
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// main code
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fld qword ptr [edx + 8] // FTy
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fmul qword ptr [eax + Fa]
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fsin
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fld1
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fsubp st(1), st
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fmul st, st(1)
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fadd qword ptr [edx + 16] // FPx
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fstp qword ptr [edx + 16]
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fsubr qword ptr [edx + 24] // FPy
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fstp qword ptr [edx + 24]
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{$endif}
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end;
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///////////////////////////////////////////////////////////////////////////////
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constructor TVariationPDJ.Create;
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begin
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FA := PI * (2 * Random - 1);
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FB := PI * (2 * Random - 1);
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FC := PI * (2 * Random - 1);
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FD := PI * (2 * Random - 1);
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end;
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///////////////////////////////////////////////////////////////////////////////
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class function TVariationPDJ.GetInstance: TBaseVariation;
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begin
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Result := TVariationPDJ.Create;
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end;
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///////////////////////////////////////////////////////////////////////////////
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class function TVariationPDJ.GetName: string;
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begin
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Result := 'pdj';
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end;
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///////////////////////////////////////////////////////////////////////////////
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function TVariationPDJ.GetVariableNameAt(const Index: integer): string;
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begin
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case Index Of
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0: Result := 'pdj_a';
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1: Result := 'pdj_b';
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2: Result := 'pdj_c';
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3: Result := 'pdj_d';
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else
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Result := '';
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end
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end;
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///////////////////////////////////////////////////////////////////////////////
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function TVariationPDJ.SetVariable(const Name: string; var value: double): boolean;
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begin
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Result := False;
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if Name = 'pdj_a' then begin
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FA := Value;
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Result := True;
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end else if Name = 'pdj_b' then begin
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FB := Value;
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Result := True;
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end else if Name = 'pdj_c' then begin
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FC := Value;
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Result := True;
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end else if Name = 'pdj_d' then begin
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FD := Value;
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Result := True;
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end
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end;
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///////////////////////////////////////////////////////////////////////////////
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function TVariationPDJ.GetNrVariables: integer;
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begin
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Result := 4
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end;
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///////////////////////////////////////////////////////////////////////////////
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function TVariationPDJ.GetVariable(const Name: string; var value: double): boolean;
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begin
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Result := False;
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if Name = 'pdj_a' then begin
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Value := FA;
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Result := True;
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end else if Name = 'pdj_b' then begin
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Value := FB;
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Result := True;
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end else if Name = 'pdj_c' then begin
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Value := FC;
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Result := True;
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end else if Name = 'pdj_d' then begin
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Value := FD;
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Result := True;
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end
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end;
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///////////////////////////////////////////////////////////////////////////////
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initialization
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RegisterVariation(TVariationClassLoader.Create(TVariationPDJ), true, false);
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end.
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