Examples of jinngine.math.Vector3

jinngine.math.Vector3
Vector3d defines a Vector for a three double value tuple. Vector3d can represent any three dimensional value, such as a vertex or normal. The functional methods like add, sub, multiply that returns new instances, and left this unchanged. Static methods store the resulting vector on a existing reference, which avoid allowcation an can improove performances around 20% (profiling performend on vector addition). Deprecated methods will be removed on October 2010 @author Morten Silcowitz @author Pierre Labatut

        assertEquals(32., a.z);
    }


    @Test(expected = NullPointerException.class)
    public void testAdd06() {
        Vector3.add(new Vector3(), null);
    }

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        Vector3.add(new Vector3(), null);
    }


    @Test(expected = NullPointerException.class)
    public void testAdd07() {
        Vector3.add(null, new Vector3());
    }

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        Vector3.add(null, new Vector3());
    }


    @Test
    public void testAdd08() {
        final Vector3 a = new Vector3(1., 2., 3.);
        final Vector3 r = a.add(10., 20., 30.);
        assertEquals(1., a.x);
        assertEquals(2., a.y);
        assertEquals(3., a.z);
        assertEquals(11., r.x);
        assertEquals(22., r.y);

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        assertEquals(33., r.z);
    }


    @Test
    public void testSub01() {
        final Vector3 a = new Vector3(1., 2., 3.);
        final Vector3 b = new Vector3(10., 20., 30.);
        final Vector3 r = a.sub(b);
        assertTrue(r != a); //It is a new ref
        assertTrue(r != b); //It is a new ref
        assertEquals(1., a.x);
        assertEquals(2., a.y);
        assertEquals(3., a.z);

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        assertEquals(-27., r.z);
    }


    @Test
    public void testSub02() {
        final Vector3 a = new Vector3(1., 4., 16.);
        final Vector3 r = a.sub(a); // Just to be sure that substract a ref to itself works
        assertTrue(r != a);
        assertEquals(1., a.x);
        assertEquals(4., a.y);
        assertEquals(16., a.z);
        assertEquals(0., r.x);

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        assertEquals(0., r.z);
    }


    @Test(expected = NullPointerException.class)
    public void testSub03() {
        new Vector3(1., 4., 16.).sub(null);
    }

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        new Vector3(1., 4., 16.).sub(null);
    }


    @Test
    public void testSub04() {
        final Vector3 a = new Vector3(1., 2., 3.);
        final Vector3 b = new Vector3(10., 20., 30.);
        Vector3.sub(a, b);
        assertEquals(-9., a.x);
        assertEquals(-18., a.y);
        assertEquals(-27., a.z);
        assertEquals(10., b.x);

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        assertEquals(30., b.z);
    }


    @Test
    public void testSub05() {
        final Vector3 a = new Vector3(1., 4., 16.);
        Vector3.sub(a, a);
        assertEquals(0., a.x);
        assertEquals(0., a.y);
        assertEquals(0., a.z);
    }

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        assertEquals(0., a.z);
    }


    @Test(expected = NullPointerException.class)
    public void testSub06() {
        Vector3.sub(new Vector3(), null);
    }

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        Vector3.sub(new Vector3(), null);
    }


    @Test(expected = NullPointerException.class)
    public void testSub07() {
        Vector3.sub(null, new Vector3());
    }

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