private Vector4 Color(float t)
{
PerlinNoise p = new PerlinNoise(42);
float x = 0.0f + t * 1.0f;
float n = (float)p.Noise(x, 0.0f, 0.0f);
float h = 180.0f + 180.0f * n;
float s = 0.9f;
float v = 0.9f;
HSVColor hsv = new HSVColor(h, s, v);
RGBColor rgb = new RGBColor();
hsv.RGB(out rgb);
return(new Vector4(rgb.R, rgb.G, rgb.B, 1.0f));
}