public bool intersect(Ray r, double tmax)
{
int nhits = 0;
Isect temp = new Isect();
temp.t = 1e9;
this.inter = temp;
int i = 0;
while (i < this.prim.Length)
{
Isect tp = this.prim[i].intersect(r);
bool sw = (tp != null);
if (sw)
{
Isect isect = new Isect();
isect.t = tp.t;
isect.prim = tp.prim;
isect.surf = tp.surf;
isect.enter = tp.enter;
this.inter = isect;
nhits = nhits + 1;
}
i = i + 1;
}
return(nhits > 0 ? true : false);
}
public override Isect intersect(Ray ry)
{
Vec p = ry.P;
Vec d = ry.D;
v.sub2(c, p);
double b = Vec.dot(v, d);
double dotVV = Vec.dot(v, v);
double disc = b * b - dotVV + r2;
if (disc < 0.0)
{
return(null);
}
disc = Math.Sqrt(disc);
double t = (b - disc < 1e-6) ? b + disc : b - disc;
if (t < 1e-6)
{
return(null);
}
Isect ip = new Isect();
ip.t = t;
ip.enter = dotVV > r2 + 1e-6 ? 1.0 : 0.0;
ip.prim = this;
ip.surf = this.surf;
return(ip);
}
public var intersect(var r, var tmax)
{
var nhits = 0;
var temp = new Isect();
temp.t = 1e9;
this.inter = temp;
int i = 0;
while (i < this.prim.Length)
{
var tp = this.prim[i].intersect(r);
bool sw = (tp != null);
if (sw)
{
var isect = new Isect();
isect.t = tp.t;
isect.prim = tp.prim;
isect.surf = tp.surf;
isect.enter = tp.enter;
this.inter = isect;
nhits = nhits + 1;
}
i = i + 1;
}
return(nhits > 0 ? true : false);
}
public void JGFtidyup()
{
scene = new Scene();
lights = new Light[0];
prim = new Primitive[0];
tRay = new Ray();
inter = new Isect();
}
public RayTracer()
{
datasizes = new int[3];
datasizes[0] = 5;
datasizes[1] = 25;
datasizes[2] = 125;
RayTracer.alpha = 255 << 24;
tRay = new Ray();
RayTracer.voidVec = new Vec();
L = new Vec();
inter = new Isect();
checksum = 0;
}