/**
* Vektor reflektion Vnew = - v + ( 2 * v * n) * n
*
* @param n Normale
*/
public Vector3 reflectedOn(Normal3 n) {
Vector3 resVector = this;
double skalar = resVector.dot(n) * 2;
Normal3 normale = n.mul(skalar);
resVector = resVector.mul(-1.0);
resVector = resVector.add(normale);
return resVector;
}
public Vector3 center(Vector3 optionalTarget) {
return optionalTarget.add(this.min, this.max).multiply(0.5);
}
public Matrix3 add(final Matrix3 m, final float i) {
return new Matrix3(a.add(i, m.a), b.add(i, m.b), c.add(i, m.c));
}
// Addition
public Matrix3 add(final Matrix3 m) {
return new Matrix3(a.add(m.a), b.add(m.b), c.add(m.c));
}
/**
* Returns the reflection of a vector u on a surface with normal n. Vector u points towards the
* surface, vector r (result) points away from the surface. n is assumed to be normalized.
*
* @param u vector that will be reflected on the surface
* @param n normal of the surface
* @return reflected vector, facing away from the surface
*/
public static Vector3 reflect(Vector3 u, Vector3 n) {
double scalar = Vector3.dotProduct(u, n) * -2d;
Vector3 result = Vector3.timesScalar(n, scalar);
result = Vector3.add(result, u);
return result;
}
