Diff of /trunk/Variations/varHemisphere.pas [000000] .. [r1] Maximize Restore

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+{
+     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 varHemisphere;
+
+interface
+
+uses
+  BaseVariation, XFormMan;
+
+const
+  var_name = 'hemisphere';
+
+{$define _ASM_}
+
+type
+  TVariationHemisphere = class(TBaseVariation)
+  private
+
+  public
+    constructor Create;
+
+    class function GetName: string; override;
+    class function GetInstance: TBaseVariation; override;
+
+    function GetNrVariables: integer; override;
+
+    procedure CalcFunction; override;
+  end;
+
+implementation
+
+uses
+  Math;
+
+{ TVariationSpherize }
+
+///////////////////////////////////////////////////////////////////////////////
+procedure TVariationHemisphere.CalcFunction;
+var
+  t: double;
+begin
+  t := vvar / sqrt(sqr(FTx^) + sqr(FTy^) + 1);
+
+  FPx^ := FPx^ + FTx^ * t;
+  FPy^ := FPy^ + FTy^ * t;
+  FPz^ := FPz^ + t;
+end;
+
+///////////////////////////////////////////////////////////////////////////////
+constructor TVariationHemisphere.Create;
+begin
+
+end;
+
+///////////////////////////////////////////////////////////////////////////////
+class function TVariationHemisphere.GetInstance: TBaseVariation;
+begin
+  Result := TVariationHemisphere.Create;
+end;
+
+///////////////////////////////////////////////////////////////////////////////
+class function TVariationHemisphere.GetName: string;
+begin
+  Result := var_name;
+end;
+
+///////////////////////////////////////////////////////////////////////////////
+function TVariationHemisphere.GetNrVariables: integer;
+begin
+  Result := 0;
+end;
+
+///////////////////////////////////////////////////////////////////////////////
+initialization
+  RegisterVariation(TVariationClassLoader.Create(TVariationHemisphere), true, false);
+end.