src/main/java/eu/svjatoslav/sixth/e3d/math/Transform.java

   1 /*
   2  * Sixth 3D engine. Author: Svjatoslav Agejenko.
   3  * This project is released under Creative Commons Zero (CC0) license.
   4  */
   5 package eu.svjatoslav.sixth.e3d.math;
   6
   7 import eu.svjatoslav.sixth.e3d.geometry.Point3D;
   8
   9 public class Transform implements Cloneable {
  10
  11     private final Point3D translation;
  12     private final Orientation orientation;
  13
  14     public Transform() {
  15         translation = new Point3D();
  16         orientation = new Orientation();
  17     }
  18
  19     /**
  20      * Creates a new transform with the specified translation.
  21      *
  22      * @param translation
  23      *            the translation
  24      */
  25     public Transform(final Point3D translation) {
  26         this.translation = translation;
  27         orientation = new Orientation();
  28     }
  29
  30     /**
  31      * Creates a new transform with the specified translation and orientation.
  32      *
  33      * @param translation
  34      *            the translation
  35      * @param angleXZ
  36      *            the angle around the XZ axis
  37      * @param angleYZ
  38      *            the angle around the YZ axis
  39      */
  40     public Transform(final Point3D translation, final double angleXZ,
  41                      final double angleYZ) {
  42
  43         this.translation = translation;
  44         orientation = new Orientation(angleXZ, angleYZ);
  45     }
  46
  47     /**
  48      * Creates a new transform with the specified translation and orientation.
  49      *
  50      * @param translation
  51      *            the translation
  52      * @param orientation
  53      *            the orientation
  54      */
  55     public Transform(final Point3D translation, final Orientation orientation) {
  56         this.translation = translation;
  57         this.orientation = orientation;
  58     }
  59
  60     @Override
  61     public Transform clone() {
  62         return new Transform(translation, orientation);
  63     }
  64
  65     public Orientation getOrientation() {
  66         return orientation;
  67     }
  68
  69     public Point3D getTranslation() {
  70         return translation;
  71     }
  72
  73     public void transform(final Point3D point) {
  74         orientation.rotate(point);
  75         point.add(translation);
  76     }
  77
  78 }