155 lines
3.7 KiB
ObjectPascal
155 lines
3.7 KiB
ObjectPascal
unit varPDJ;
|
|
|
|
interface
|
|
|
|
uses
|
|
BaseVariation, XFormMan;
|
|
|
|
{$define _ASM_}
|
|
|
|
type
|
|
TVariationPDJ = class(TBaseVariation)
|
|
private
|
|
FA,FB,FC,FD: double;
|
|
public
|
|
constructor Create;
|
|
|
|
class function GetName: string; override;
|
|
class function GetInstance: TBaseVariation; override;
|
|
|
|
function GetNrVariables: integer; override;
|
|
function GetVariableNameAt(const Index: integer): string; override;
|
|
|
|
function SetVariable(const Name: string; var value: double): boolean; override;
|
|
function GetVariable(const Name: string; var value: double): boolean; override;
|
|
|
|
|
|
procedure CalcFunction; override;
|
|
end;
|
|
|
|
implementation
|
|
|
|
uses
|
|
Math;
|
|
|
|
{ TVariationPDJ }
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
procedure TVariationPDJ.CalcFunction;
|
|
{$ifndef _ASM_}
|
|
begin
|
|
FPx^ := FPx^ + vvar * (sin(FA * FTy^) - cos(FB * FTx^));
|
|
FPy^ := FPy^ + vvar * (sin(FC * FTx^) - cos(FD * FTy^));
|
|
{$else}
|
|
asm
|
|
fld qword ptr [eax + vvar]
|
|
mov edx, [eax + FTx]
|
|
fld qword ptr [edx + 8] // FTy
|
|
fld qword ptr [edx] // FTx
|
|
|
|
fld st(1)
|
|
fmul qword ptr [eax + Fa]
|
|
fsin
|
|
fld st(1)
|
|
fmul qword ptr [eax + Fb]
|
|
fcos
|
|
fsubp st(1), st
|
|
fmul st, st(3)
|
|
fadd qword ptr [edx + 16] // FPx
|
|
fstp qword ptr [edx + 16]
|
|
|
|
fmul qword ptr [eax + Fc]
|
|
fsin
|
|
fxch st(1)
|
|
fmul qword ptr [eax + Fd]
|
|
fcos
|
|
fsubp st(1), st
|
|
fmulp
|
|
fadd qword ptr [edx + 24] // FPy
|
|
fstp qword ptr [edx + 24]
|
|
{$endif}
|
|
end;
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
constructor TVariationPDJ.Create;
|
|
begin
|
|
FA := 6 * Random - 3;
|
|
FB := 6 * Random - 3;
|
|
FC := 6 * Random - 3;
|
|
FD := 6 * Random - 3;
|
|
end;
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
class function TVariationPDJ.GetInstance: TBaseVariation;
|
|
begin
|
|
Result := TVariationPDJ.Create;
|
|
end;
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
class function TVariationPDJ.GetName: string;
|
|
begin
|
|
Result := 'pdj';
|
|
end;
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
function TVariationPDJ.GetVariableNameAt(const Index: integer): string;
|
|
begin
|
|
case Index Of
|
|
0: Result := 'pdj_a';
|
|
1: Result := 'pdj_b';
|
|
2: Result := 'pdj_c';
|
|
3: Result := 'pdj_d';
|
|
else
|
|
Result := '';
|
|
end
|
|
end;
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
function TVariationPDJ.SetVariable(const Name: string; var value: double): boolean;
|
|
begin
|
|
Result := False;
|
|
if Name = 'pdj_a' then begin
|
|
FA := Value;
|
|
Result := True;
|
|
end else if Name = 'pdj_b' then begin
|
|
FB := Value;
|
|
Result := True;
|
|
end else if Name = 'pdj_c' then begin
|
|
FC := Value;
|
|
Result := True;
|
|
end else if Name = 'pdj_d' then begin
|
|
FD := Value;
|
|
Result := True;
|
|
end
|
|
end;
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
function TVariationPDJ.GetNrVariables: integer;
|
|
begin
|
|
Result := 4
|
|
end;
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
function TVariationPDJ.GetVariable(const Name: string; var value: double): boolean;
|
|
begin
|
|
Result := False;
|
|
if Name = 'pdj_a' then begin
|
|
Value := FA;
|
|
Result := True;
|
|
end else if Name = 'pdj_b' then begin
|
|
Value := FB;
|
|
Result := True;
|
|
end else if Name = 'pdj_c' then begin
|
|
Value := FC;
|
|
Result := True;
|
|
end else if Name = 'pdj_d' then begin
|
|
Value := FD;
|
|
Result := True;
|
|
end
|
|
end;
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
initialization
|
|
RegisterVariation(TVariationClassLoader.Create(TVariationPDJ));
|
|
end.
|