public static Ray Random()
{
Ray ray = new Ray(Maths.Random(), Maths.Random(), Maths.Random(), Maths.Random(), Maths.Random(), Maths.Random());
ray.NormalizeDirection();
return ray;
}
private void CalculateImage (int yfrom, int yto) {
double sd = this.screenDistance;
double sh = 2.0d*sd*Math.Tan(0.5d*this.foVH);
int w = this.Width;
int h = this.Height;
double sw = sh*w/h;
double dwh = sw/w;
Ray ray = new Ray(0.0d, 0.0d, 0.0d, 0.0d, 0.0d, 1.0d);
uint[] pixel = this.raster.Pixel;
int k = Width*yfrom, ks = Width*yto, kc;
uint l, m;
uint aasqrt = this.antialiasSqrt;
uint aadsqrt = this.dispersionAntialiasSqrt;
RayTracer rt = new RayTracer(this.acc, this.Lights, settings);
uint aa = aasqrt*aasqrt, aac, aad = aadsqrt*aadsqrt, aadc;
Point3 tmp = new Point3(0.0d, 0.0d, 0.0d);
double focusLength = Point3.DiffLength(this.position, this.lookAt);
double frac = 1.0d+focusLength/this.screenDistance;
uint aaaad = aa*aad;
double dwha = dwh/aasqrt;
double dwhad = dispersion*dwh;
double yp = dwh*yfrom-0.5d*sh-0.5d*dwha*aasqrt, xp;
double yd, xd;
double dis = this.displacement;
ColorCache cc;
#region PIXEL
for(; k < ks;) {
kc = k+Width;
xp = -0.5d*sw-0.5d*dwha*aasqrt-dis;
for(; k < kc;) {
l = 0x00;
cc = new ColorCache(0x00);
#region ANTIALIASING
for(; l < aa;) {
aac = l+aasqrt;
for(; l < aac; l++) {
m = 0x00;
tmp.SetValues(xp*frac, -yp*frac, focusLength);
yd = -0.5d*dwhad*(aadsqrt-0x01);
#region DISPERSION
for(; m < aad;) {
xd = -0.5d*dwhad*(aadsqrt-0x01);
aadc = m+aadsqrt;
for(; m < aadc; m++) {
ray.Offset.SetValues(xp+xd, -yp-yd, 0.0d);
ray.Direction.SetValues(ray.Offset, tmp);
ray.Direction.Normalize();
ray.NormalizeDirection();
ray.Transform(this.matrix);
#if FAST_COLOR_INTERSECTION
rt.CalculateColor(ray, 0, Color.White);
cc.AddColor(new Color(ColorUtils.FromWavelength(350+5*(int)SystemDiagnostics.Intersections)));
SystemDiagnostics.Intersections = 0x00;
#elif FAST_COLOR_MIGRATION
rt.CalculateColor(ray, 0, Color.White);
cc.AddColor(new Color(ColorUtils.FromWavelength(350+5*(int)SystemDiagnostics.Migrations)));
SystemDiagnostics.Migrations = 0x00;
#else
cc.AddColor(rt.CalculateColor(ray, 0, Color.White));
#endif
xd += dwhad;
}
yd += dwhad;
}
#endregion
xp += dwha;
}
yp += dwha;
xp -= dwh;
}
#endregion
yp -= dwh;
xp += dwh;
pixel[k++] = ColorUtils.AlphaChannel|cc.Mix(aaaad).RGB8;
}
#endregion
yp += dwh;
}
}