public static FastColor InterpolateColor(float progress, params FastColor[] colors)
{
int colora = (int)((colors.Length - 1) * progress);
if (colora < 0)
{
colora = 0;
}
if (colora >= colors.Length)
{
colora = colors.Length - 1;
}
int colorb = colora + 1;
if (colorb >= colors.Length)
{
colorb = colors.Length - 1;
}
FastColor a = colors[colora];
FastColor b = colors[colorb];
float p = (progress - (float)colora / (colors.Length - 1)) * (colors.Length - 1);
int A = (int)(a.A + (b.A - a.A) * p);
int R = (int)(a.R + (b.R - a.R) * p);
int G = (int)(a.G + (b.G - a.G) * p);
int B = (int)(a.B + (b.B - a.B) * p);
return(new FastColor(A, R, G, B));
}
public VertexPositionTexture(float x, float y, float z, float u, float v, FastColor c)
{
Position = new Vector3(x, y, z);
this.u = u;
this.v = v;
r = c.R;
g = c.G;
b = c.B;
a = c.A;
}