[r1]: tags / 16 / Variations / varBlurZoom.pas Maximize Restore History

Download this file

varBlurZoom.pas    144 lines (119 with data), 4.5 kB

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
{
Apophysis Copyright (C) 2001-2004 Mark Townsend
Apophysis Copyright (C) 2005-2006 Ronald Hordijk, Piotr Borys, Peter Sdobnov
Apophysis Copyright (C) 2007-2008 Piotr Borys, Peter Sdobnov
Apophysis "3D hack" Copyright (C) 2007-2008 Peter Sdobnov
Apophysis "7X" Copyright (C) 2009-2010 Georg Kiehne
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
}
unit varBlurZoom;
interface
uses
BaseVariation, XFormMan;
type
TVariationBlurZoom = class(TBaseVariation)
private
blur_zoom_length, blur_zoom_x, blur_zoom_y: 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 Prepare; override;
procedure CalcFunction; override;
end;
implementation
uses
Math;
///////////////////////////////////////////////////////////////////////////////
procedure TVariationBlurZoom.Prepare;
begin
end;
procedure TVariationBlurZoom.CalcFunction;
var z: double;
begin
z := 1.0 + blur_zoom_length * random;
FPx^ := FPx^ + vvar * ((FTx^ - blur_zoom_x) * z + blur_zoom_x);
FPy^ := FPy^ + vvar * ((FTy^ - blur_zoom_y) * z - blur_zoom_y);
FPz^ := FPz^ + vvar * FTz^;
end;
///////////////////////////////////////////////////////////////////////////////
constructor TVariationBlurZoom.Create;
begin
blur_zoom_length := 0;
blur_zoom_x := 0;
blur_zoom_y := 0;
end;
///////////////////////////////////////////////////////////////////////////////
class function TVariationBlurZoom.GetInstance: TBaseVariation;
begin
Result := TVariationBlurZoom.Create;
end;
///////////////////////////////////////////////////////////////////////////////
class function TVariationBlurZoom.GetName: string;
begin
Result := 'blur_zoom';
end;
///////////////////////////////////////////////////////////////////////////////
function TVariationBlurZoom.GetVariableNameAt(const Index: integer): string;
begin
case Index Of
0: Result := 'blur_zoom_length';
1: Result := 'blur_zoom_x';
2: Result := 'blur_zoom_y';
else
Result := '';
end
end;
///////////////////////////////////////////////////////////////////////////////
function TVariationBlurZoom.SetVariable(const Name: string; var value: double): boolean;
begin
Result := False;
if Name = 'blur_zoom_length' then begin
blur_zoom_length := Value;
Result := True;
end else if Name = 'blur_zoom_x' then begin
blur_zoom_y := Value;
Result := True;
end else if Name = 'blur_zoom_y' then begin
blur_zoom_y := Value;
Result := True;
end
end;
///////////////////////////////////////////////////////////////////////////////
function TVariationBlurZoom.GetNrVariables: integer;
begin
Result := 3
end;
///////////////////////////////////////////////////////////////////////////////
function TVariationBlurZoom.GetVariable(const Name: string; var value: double): boolean;
begin
Result := False;
if Name = 'blur_zoom_length' then begin
Value := blur_zoom_length;
Result := True;
end else if Name = 'blur_zoom_x' then begin
Value := blur_zoom_x;
Result := True;
end else if Name = 'blur_zoom_y' then begin
Value := blur_zoom_y;
Result := True;
end
end;
///////////////////////////////////////////////////////////////////////////////
initialization
RegisterVariation(TVariationClassLoader.Create(TVariationBlurZoom), true, false);
end.