Examples of toxi.geom.Triangle3D.containsPoint()

toxi.geom.Triangle3D.containsPoint()
Checks if point vector is inside the triangle created by the points a, b and c. These points will create a plane and the point checked will have to be on this plane in the region between a,b,c (triangle vertices inclusive). @return true, if point is in triangle.

    public void testContainment() {
        Vec3D a = new Vec3D(100, 0, 0);
        Vec3D b = new Vec3D(0, 100, 0);
        Vec3D c = new Vec3D(0, 0, 100);
        Triangle3D t = new Triangle3D(a, b, c);
        assertTrue(t.containsPoint(a));
        assertTrue(t.containsPoint(b));
        assertTrue(t.containsPoint(c));
        assertTrue(t.containsPoint(t.computeCentroid()));
        assertFalse(t.containsPoint(a.add(0.1f, 0, 0)));
        t.flipVertexOrder();

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        Vec3D a = new Vec3D(100, 0, 0);
        Vec3D b = new Vec3D(0, 100, 0);
        Vec3D c = new Vec3D(0, 0, 100);
        Triangle3D t = new Triangle3D(a, b, c);
        assertTrue(t.containsPoint(a));
        assertTrue(t.containsPoint(b));
        assertTrue(t.containsPoint(c));
        assertTrue(t.containsPoint(t.computeCentroid()));
        assertFalse(t.containsPoint(a.add(0.1f, 0, 0)));
        t.flipVertexOrder();
        assertTrue(t.containsPoint(t.computeCentroid()));

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        Vec3D b = new Vec3D(0, 100, 0);
        Vec3D c = new Vec3D(0, 0, 100);
        Triangle3D t = new Triangle3D(a, b, c);
        assertTrue(t.containsPoint(a));
        assertTrue(t.containsPoint(b));
        assertTrue(t.containsPoint(c));
        assertTrue(t.containsPoint(t.computeCentroid()));
        assertFalse(t.containsPoint(a.add(0.1f, 0, 0)));
        t.flipVertexOrder();
        assertTrue(t.containsPoint(t.computeCentroid()));
    }

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        Vec3D c = new Vec3D(0, 0, 100);
        Triangle3D t = new Triangle3D(a, b, c);
        assertTrue(t.containsPoint(a));
        assertTrue(t.containsPoint(b));
        assertTrue(t.containsPoint(c));
        assertTrue(t.containsPoint(t.computeCentroid()));
        assertFalse(t.containsPoint(a.add(0.1f, 0, 0)));
        t.flipVertexOrder();
        assertTrue(t.containsPoint(t.computeCentroid()));
    }

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        Triangle3D t = new Triangle3D(a, b, c);
        assertTrue(t.containsPoint(a));
        assertTrue(t.containsPoint(b));
        assertTrue(t.containsPoint(c));
        assertTrue(t.containsPoint(t.computeCentroid()));
        assertFalse(t.containsPoint(a.add(0.1f, 0, 0)));
        t.flipVertexOrder();
        assertTrue(t.containsPoint(t.computeCentroid()));
    }


    public void testEquilateral() {

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        assertTrue(t.containsPoint(b));
        assertTrue(t.containsPoint(c));
        assertTrue(t.containsPoint(t.computeCentroid()));
        assertFalse(t.containsPoint(a.add(0.1f, 0, 0)));
        t.flipVertexOrder();
        assertTrue(t.containsPoint(t.computeCentroid()));
    }


    public void testEquilateral() {
        Triangle3D t = Triangle3D.createEquilateralFrom(new Vec3D(-100, 0, 0),
                new Vec3D(100, 0, 0));

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