private static Intersection getIntersection(TriangleObject obj, Vector3D p, Vector3D pc) {
DecompositionSolver solver = obj.getSolverXY();
try {
double[] params = {pc.getX(), pc.getY()};
return getIntersection(obj, solver, p, pc, params);
} catch (Exception ex) {
solver = obj.getSolverYZ();
try {
double[] params = {pc.getY(), pc.getZ()};
return getIntersection(obj, solver, p, pc, params);
} catch (Exception e) {
solver = obj.getSolverXZ();
double[] params = {pc.getX(), pc.getZ()};
return getIntersection(obj, solver, p, pc, params);
}
}
}
private static Intersection getIntersection(Ray ray, TriangleObject obj, Model model) {
Vector3D p0 = VectorUtils.toVector3D(ray.getP0());
Vector3D p1 = VectorUtils.toVector3D(ray.getP1());
Vector3D a = obj.getA();
Vector3D b = obj.getB();
Vector3D c = obj.getC();
Vector3D n = obj.getN();
double den = p1.dotProduct(n);
if (den != 0.0) {
double t = (a.dotProduct(n) - p0.dotProduct(n)) / den;
if (t < EPSILON) {
return new Intersection(false);
}
Vector3D p = p0.add(p1.scalarMultiply(t));
Vector3D pc = p.subtract(c);
final Intersection intersection = getIntersection(obj, p, pc);
if (intersection != null) {
intersection.setDistance(t);
return intersection;
}
}
return new Intersection(false);
}