public override InsertsectResult insertsect(Ray3 ray)
{
float a = ray.getDirection.dot(this.n);
if (a >= 0)
{
return(new InsertsectResult());
}
float b = n.dot(ray.getOrigin.sub(positon));
float distance = -b / a;
Vector3 nPosition = ray.getPoint(distance);
return(new InsertsectResult(this, distance, nPosition, n));
}
public override InsertsectResult insertsect(Ray3 ray)
{
Vector3 v = ray.getOrigin.sub(this.center);
float c = (v.unSqrtLength() - this.sqrtRadius);
float dv = ray.getDirection.dot(v);
if (dv <= 0)
{
float dis = dv * dv - c;
if (c >= 0)
{
float distance = -dv - (float)Math.Sqrt(dis);
Vector3 position = ray.getPoint(distance);
Vector3 normal = position.sub(this.center).nor();
InsertsectResult insertsect = new InsertsectResult(this, distance, position, normal);
return(insertsect);
}
}
return(new InsertsectResult());
}