153 lines
4.7 KiB
ObjectPascal
153 lines
4.7 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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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 varBlurPixelize;
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interface
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uses
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BaseVariation, XFormMan;
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type
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TVariationBlurPixelize = class(TBaseVariation)
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private
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blur_pixelize_size, blur_pixelize_scale: double;
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inv_size, v: double;
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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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function ResetVariable(const Name: string): boolean; override;
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procedure Prepare; 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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///////////////////////////////////////////////////////////////////////////////
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procedure TVariationBlurPixelize.Prepare;
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begin
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inv_size := 1.0 / blur_pixelize_size;
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v := vvar * blur_pixelize_size;
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end;
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procedure TVariationBlurPixelize.CalcFunction;
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var x, y: double;
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begin
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x := floor(FTx^*(inv_size));
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y := floor(FTy^*(inv_size));
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FPx^ := FPx^ + (v) * (x + (blur_pixelize_scale) * (random - 0.5) + 0.5);
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FPy^ := FPy^ + (v) * (y + (blur_pixelize_scale) * (random - 0.5) + 0.5);
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FPz^ := FPz^ + vvar * FTz^;
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end;
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///////////////////////////////////////////////////////////////////////////////
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constructor TVariationBlurPixelize.Create;
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begin
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blur_pixelize_size := 0.1;
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blur_pixelize_scale := 1;
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end;
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///////////////////////////////////////////////////////////////////////////////
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class function TVariationBlurPixelize.GetInstance: TBaseVariation;
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begin
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Result := TVariationBlurPixelize.Create;
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end;
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///////////////////////////////////////////////////////////////////////////////
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class function TVariationBlurPixelize.GetName: string;
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begin
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Result := 'blur_pixelize';
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end;
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///////////////////////////////////////////////////////////////////////////////
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function TVariationBlurPixelize.GetVariableNameAt(const Index: integer): string;
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begin
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case Index Of
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0: Result := 'blur_pixelize_size';
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1: Result := 'blur_pixelize_scale';
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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 TVariationBlurPixelize.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 = 'blur_pixelize_size' then begin
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if (value < 1e-6) then value := 1e-6;
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blur_pixelize_size := Value;
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Result := True;
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end else if Name = 'blur_pixelize_scale' then begin
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blur_pixelize_scale := Value;
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Result := True;
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end
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end;
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function TVariationBlurPixelize.ResetVariable(const Name: string): boolean;
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begin
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Result := False;
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if Name = 'blur_pixelize_size' then begin
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blur_pixelize_size := 0.1;
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Result := True;
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end else if Name = 'blur_pixelize_scale' then begin
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blur_pixelize_size := 1;
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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 TVariationBlurPixelize.GetNrVariables: integer;
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begin
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Result := 2
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end;
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///////////////////////////////////////////////////////////////////////////////
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function TVariationBlurPixelize.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 = 'blur_pixelize_size' then begin
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Value := blur_pixelize_size;
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Result := True;
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end else if Name = 'blur_pixelize_scale' then begin
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Value := blur_pixelize_scale;
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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(TVariationBlurPixelize), true, false);
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end. |