static RenderGlassHelpers() { _glassFadeBlend = new Blend(); _glassFadeBlend.Positions = new float[] { 0.0f, 0.33f, 0.66f, 1.0f }; _glassFadeBlend.Factors = new float[] { 0.0f, 0.0f, 0.8f, 1.0f }; }