private static int toColour(RealVector ambient) {
final double r = ambient.getEntry(0);
final double g = ambient.getEntry(1);
final double b = ambient.getEntry(2);
int rc = 256 * 256 * (int) (255. * r);
int rg = 256 * (int) (255. * g);
int rb = (int) (255. * b);
return rc + rg + rb;
}
private static Intersection getIntersection(
TriangleObject obj, DecompositionSolver solver, Vector3D p, Vector3D pc, double[] params) {
RealVector constants = new ArrayRealVector(params, false);
RealVector solution = solver.solve(constants);
double alpfa = solution.getEntry(0);
double beta = solution.getEntry(1);
boolean match = false;
if (alpfa >= 0 && beta >= 0 && alpfa + beta <= 1.0) {
match = true;
} else {
match = false;
}
final Intersection intersection = new Intersection(match);
intersection.setObject(obj);
intersection.setP(p);
return intersection;
}