/*
- * Sixth 3D engine. Copyright ©2012-2018, Svjatoslav Agejenko, svjatoslav@svjatoslav.eu
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of version 3 of the GNU Lesser General Public License
- * or later as published by the Free Software Foundation.
- *
+ * Sixth 3D engine. Author: Svjatoslav Agejenko.
+ * This project is released under Creative Commons Zero (CC0) license.
*/
-
-
package eu.svjatoslav.sixth.e3d.math;
import eu.svjatoslav.sixth.e3d.geometry.Point3D;
public class Orientation implements Cloneable {
+
private double s1, c1, s2, c2;
+ /**
+ * The angle of rotation around the XZ axis.
+ */
private double angleXZ = 0;
+
+ /**
+ * The angle of rotation around the YZ axis.
+ */
private double angleYZ = 0;
public Orientation() {
return new Orientation(angleXZ, angleYZ);
}
+ /**
+ * Computes the sine and cosine of the angles.
+ */
private void computeMultipliers() {
s1 = Math.sin(angleXZ);
c1 = Math.cos(angleXZ);