void CreateCrossFrames()
 {
     SymbolMaskAnimation.Cross cross = new SymbolMaskAnimation.Cross(0.2f, 0.1f, 0.9f);
     SymbolMaskAnimation.Paint(framePixelSize, frameCount, cross.Draw, "crossTex");
 }
 void CreateCircleFrames()
 {
     SymbolMaskAnimation.Circle circle = new SymbolMaskAnimation.Circle(0.3f, 0.4f);
     SymbolMaskAnimation.Paint(framePixelSize, frameCount, circle.Draw, "circleTex");
 }