static CCGraphics()
{
SinLut = new float[sinCosLength];
CosLut = new float[sinCosLength];
for (var i = 0; i < sinCosLength; i++)
{
SinLut[i] = CCMath.Sin(i * CCMath.DEG_TO_RAD * sinCosPrecision);
CosLut[i] = CCMath.Cos(i * CCMath.DEG_TO_RAD * sinCosPrecision);
}
// Unity has a built-in shader that is useful for drawing
// simple colored things.
var shader = Shader.Find("Hidden/Internal-Colored");
colorMaterial = new Material(shader)
{
hideFlags = HideFlags.HideAndDontSave
};
// Turn on alpha blending
colorMaterial.SetInt(SrcBlend, (int)Rendering.BlendMode.SrcAlpha);
colorMaterial.SetInt(DstBlend, (int)Rendering.BlendMode.OneMinusSrcAlpha);
// Turn backface culling off
colorMaterial.SetInt(Cull, (int)Rendering.CullMode.Off);
// Turn off depth writes
colorMaterial.SetInt(ZWrite, 0);
}
public override float Interpolate(float theBlend)
{
switch (mode)
{
case CCInterpolationMode.IN:
return(1 - CCMath.Cos(theBlend * CCMath.HALF_PI));
case CCInterpolationMode.OUT:
return(CCMath.Sin(theBlend * CCMath.HALF_PI));
}
return((CCMath.Cos(CCMath.PI + CCMath.PI * theBlend) + 1) / 2);
}