public void addTriangle(Vector3d p1, Vector3d p2, Vector3d p3) {
Triangle t = new Triangle(p1, p2, p3);
// System.out.println("Adding triangle to TriangleSet: " + t);
t.material = this.material;
triangles.add(t);
bb = null;
}
@Override
public String toString() {
StringBuffer sb = new StringBuffer("TriangleSet(");
for (Triangle t : triangles) {
sb.append(t.toString());
sb.append(", ");
}
return sb.substring(0, sb.length() - 2) + ")";
}
@Override
public Vector3d getNormalAt(Vector3d point) {
for (Triangle t : triangles) {
if (t.pointBelongs(point)) {
return t.getNormalAt(point);
}
}
return null;
}
@Override
public Intersection intersectsRay(Ray ray) {
double currentDistance, nearestDistance = Double.MAX_VALUE;
Intersection nearestIntersection = null;
for (Triangle t : triangles) {
Intersection currentIntersection = t.intersectsRay(ray);
if (currentIntersection == null) {
continue;
}
Vector3d aux = new Vector3d(currentIntersection.point);
aux.sub(ray.position);
currentDistance = Util.Norm(aux);
if (nearestIntersection == null || currentDistance < nearestDistance) {
nearestIntersection = currentIntersection;
nearestDistance = currentDistance;
}
}
return nearestIntersection;
}
@Override
public void transform(Transformation t) {
for (Triangle tri : triangles) {
tri.transform(t);
}
}
