package renderSuite;

import java.lang.Math;
import renderSuite.Vec3;

public class Util {
    // measure distance between two points
    public static double d(Vec3 p1, Vec3 p2) {
        return Math.sqrt((p1.x - p2.x) * (p1.x - p2.x)
                       + (p1.y - p2.y) * (p1.y - p2.y)
                       + (p1.z - p2.z) * (p1.z - p2.z));
    }

    public static double dot(Vec3 v1, Vec3 v2) {
        return Math.sqrt(v1.x*v2.x + v1.y*v2.y + v1.z*v2.z);
    }
}