835 _lightVectors[0] = new Point3D( 0F, 0F, 0F ); 838 _lightVectors[1] = new Point3D( 0F, 0F, 1F ); 841 _lightVectors[2] = new Point3D( 0F, 0F, -1F ); 844 _lightVectors[3] = new Point3D( -1F, 0F, 0F ); 847 _lightVectors[4] = new Point3D( 1F, 0F, 0F ); 850 _lightVectors[5] = new Point3D( 0F, -1F, 0F ); 853 _lightVectors[6] = new Point3D( 0F, 1F, 0F ); 856 TransformPoints( _lightVectors, false ); 864 _lightVectors[1].X -= _lightVectors[0].X; 865 _lightVectors[1].Y -= _lightVectors[0].Y; 866 _lightVectors[1].Z -= _lightVectors[0].Z; 869 _lightVectors[2].X -= _lightVectors[0].X; 870 _lightVectors[2].Y -= _lightVectors[0].Y; 871 _lightVectors[2].Z -= _lightVectors[0].Z; 874 _lightVectors[3].X -= _lightVectors[0].X; 875 _lightVectors[3].Y -= _lightVectors[0].Y; 876 _lightVectors[3].Z -= _lightVectors[0].Z; 879 _lightVectors[4].X -= _lightVectors[0].X; 880 _lightVectors[4].Y -= _lightVectors[0].Y; 881 _lightVectors[4].Z -= _lightVectors[0].Z; 884 _lightVectors[5].X -= _lightVectors[0].X; 885 _lightVectors[5].Y -= _lightVectors[0].Y; 886 _lightVectors[5].Z -= _lightVectors[0].Z; 889 _lightVectors[6].X -= _lightVectors[0].X; 890 _lightVectors[6].Y -= _lightVectors[0].Y; 891 _lightVectors[6].Z -= _lightVectors[0].Z; 955 front = ChartGraphics.GetGradientColor( surfaceColor, Color.Black, GetAngle(lightSource,_lightVectors[1])/Math.PI ); 957 back = ChartGraphics.GetGradientColor( surfaceColor, Color.Black, GetAngle(lightSource,_lightVectors[2])/Math.PI ); 969 left = ChartGraphics.GetGradientColor( surfaceColor, Color.Black, GetAngle(lightSource,_lightVectors[3])/Math.PI ); 971 right = ChartGraphics.GetGradientColor( surfaceColor, Color.Black, GetAngle(lightSource,_lightVectors[4])/Math.PI ); 974 top = ChartGraphics.GetGradientColor( surfaceColor, Color.Black, GetAngle(lightSource,_lightVectors[5])/Math.PI ); 976 bottom = ChartGraphics.GetGradientColor( surfaceColor, Color.Black, GetAngle(lightSource,_lightVectors[6])/Math.PI ); 987 front = GetBrightGradientColor( surfaceColor, GetAngle(lightSource,_lightVectors[1])/Math.PI ); 989 back = GetBrightGradientColor( surfaceColor, GetAngle(lightSource,_lightVectors[2])/Math.PI ); 991 left = GetBrightGradientColor( surfaceColor, GetAngle(lightSource,_lightVectors[3])/Math.PI ); 993 right = GetBrightGradientColor( surfaceColor, GetAngle(lightSource,_lightVectors[4])/Math.PI ); 995 top = GetBrightGradientColor( surfaceColor, GetAngle(lightSource,_lightVectors[5])/Math.PI ); 997 bottom = GetBrightGradientColor( surfaceColor, GetAngle(lightSource,_lightVectors[6])/Math.PI ); 1090 angleLeft = GetAngle( normalVector, _lightVectors[3] ); 1091 angleRight = GetAngle( normalVector, _lightVectors[4] ); 1095 angleLeft = GetAngle( normalVector, _lightVectors[4] ); 1096 angleRight = GetAngle( normalVector, _lightVectors[3] ); 1103 angleLeft = GetAngle( normalVector, _lightVectors[4] ); 1104 angleRight = GetAngle( normalVector, _lightVectors[3] ); 1108 angleLeft = GetAngle( normalVector, _lightVectors[3] ); 1109 angleRight = GetAngle( normalVector, _lightVectors[4] ); 1157 color = GetBrightGradientColor( surfaceColor, GetAngle(lightSource,_lightVectors[2])/Math.PI ); 1162 color = GetBrightGradientColor( surfaceColor, GetAngle(lightSource,_lightVectors[1])/Math.PI );