Examples of toxi.geom.Vec3D

toxi.geom.Vec3D
Comprehensive 3D vector class with additional basic intersection and collision detection features.

   */
  
  
  @Test
  public void testGetNormalizerX() {
    Vec3D v = new Vec3D(.5f, .2f, .1f);
    Vec3D normalizer = Vec3DUtils.getNormalizer(v);
    assertTrue("normalizer", normalizer.equals(new Vec3D(2, 2, 2)));    
  }

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    assertTrue("normalizer", normalizer.equals(new Vec3D(2, 2, 2)));    
  }
  
  @Test
  public void testGetNormalizerY() {
    Vec3D v = new Vec3D(.1f, .5f, .2f);
    Vec3D normalizer = Vec3DUtils.getNormalizer(v);
    assertTrue("normalizer", normalizer.equals(new Vec3D(2, 2, 2)));    
  }

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    assertTrue("normalizer", normalizer.equals(new Vec3D(2, 2, 2)));    
  }
  
  @Test
  public void testGetNormalizerZ() {
    Vec3D v = new Vec3D(.1f, .2f, .5f);
    Vec3D normalizer = Vec3DUtils.getNormalizer(v);
    assertTrue("normalizer", normalizer.equals(new Vec3D(2, 2, 2)));    
  }

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   * 
   */
  
  @Test
  public void testGetNormalizedX() {
    Vec3D v = new Vec3D(.5f, .4f, .3f);
    v = Vec3DUtils.getNormalized(v);
    assertTrue("normalized x=1", v.equalsWithTolerance(new Vec3D(1f, .8f, .6f), 0.000001f));
  }

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    assertTrue("normalized x=1", v.equalsWithTolerance(new Vec3D(1f, .8f, .6f), 0.000001f));
  }


  @Test
  public void testGetNormalizedY() {
    Vec3D v = new Vec3D(.4f, .5f, .3f);
    v = Vec3DUtils.getNormalized(v);
    assertTrue("normalized y=1", v.equalsWithTolerance(new Vec3D(.8f, 1f, .6f), 0.000001f));
  }

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    assertTrue("normalized y=1", v.equalsWithTolerance(new Vec3D(.8f, 1f, .6f), 0.000001f));
  }


  @Test
  public void testGetNormalizedZ() {
    Vec3D v = new Vec3D(.3f, .4f, .5f);
    v = Vec3DUtils.getNormalized(v);
    assertTrue("normalized z=1", v.equalsWithTolerance(new Vec3D(.6f, .8f, 1f), 0.000001f));
  }

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   * 
   */
  
  @Test
  public void testTransposeXAxis(){
    Vec3D v = new Vec3D(.75f, .5f, .25f);
    Vec3D shift = new Vec3D(.5f, .5f, .5f);
    Vec3DUtils.transpose(v, shift, Vec3D.X_AXIS, (float) Math.PI/2);
    assertTrue("transpose on x", v.equalsWithTolerance(new Vec3D(.75f, .75f, .5f), .0000001f));
  }

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  }


  
  @Test
  public void testTransposeYAxis(){
    Vec3D v = new Vec3D(.75f, .5f, .25f);
    Vec3D shift = new Vec3D(.5f, .5f, .5f);
    Vec3DUtils.transpose(v, shift, Vec3D.Y_AXIS, (float) Math.PI/2);
    assertTrue("transpose on y", v.equalsWithTolerance(new Vec3D(.25f, .5f, .25f), .0000001f));
  }

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  }


  
  @Test
  public void testTransposeZAxis(){
    Vec3D v = new Vec3D(.75f, .5f, .25f);
    Vec3D shift = new Vec3D(.5f, .5f, .5f);
    Vec3DUtils.transpose(v, shift, Vec3D.Z_AXIS, (float) Math.PI/2);
    assertTrue("transpose on z", v.equalsWithTolerance(new Vec3D(.5f, .75f, .25f), .0000001f));
  }

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   * 
   */
  
  @Test
  public void testSwapPlusX() {
    Vec3D v = new Vec3D(.5f, 1, .25f);
    Vec3D up = new Vec3D(1, 0, 0);
    Vec3DUtils.swap(v, up);
    assertTrue("", v.equalsWithTolerance(new Vec3D(1, .5f, .25f), .0000001f));
  }

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