Examples of toxi.geom.Triangle2D.containsPoint()

toxi.geom.Triangle2D.containsPoint()
Checks if the given point is inside the triangle created by the points a, b and c. The triangle vertices are inclusive themselves. @return true, if point is in triangle.

    public void testContainment() {
        Vec2D a = new Vec2D(-100, 0);
        Vec2D b = new Vec2D(0, -100);
        Vec2D c = new Vec2D(100, 0);
        Triangle2D t = new Triangle2D(a, b, c);
        assertTrue(t.containsPoint(new Vec2D(0, -50)));
        assertTrue(t.containsPoint(a));
        assertTrue(t.containsPoint(b));
        assertTrue(t.containsPoint(c));
        assertFalse(t.containsPoint(new Vec2D(0, -101)));
        // check anti-clockwise

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        Vec2D a = new Vec2D(-100, 0);
        Vec2D b = new Vec2D(0, -100);
        Vec2D c = new Vec2D(100, 0);
        Triangle2D t = new Triangle2D(a, b, c);
        assertTrue(t.containsPoint(new Vec2D(0, -50)));
        assertTrue(t.containsPoint(a));
        assertTrue(t.containsPoint(b));
        assertTrue(t.containsPoint(c));
        assertFalse(t.containsPoint(new Vec2D(0, -101)));
        // check anti-clockwise
        t.flipVertexOrder();

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        Vec2D b = new Vec2D(0, -100);
        Vec2D c = new Vec2D(100, 0);
        Triangle2D t = new Triangle2D(a, b, c);
        assertTrue(t.containsPoint(new Vec2D(0, -50)));
        assertTrue(t.containsPoint(a));
        assertTrue(t.containsPoint(b));
        assertTrue(t.containsPoint(c));
        assertFalse(t.containsPoint(new Vec2D(0, -101)));
        // check anti-clockwise
        t.flipVertexOrder();
        assertTrue(t.containsPoint(new Vec2D(0, -50)));

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        Vec2D c = new Vec2D(100, 0);
        Triangle2D t = new Triangle2D(a, b, c);
        assertTrue(t.containsPoint(new Vec2D(0, -50)));
        assertTrue(t.containsPoint(a));
        assertTrue(t.containsPoint(b));
        assertTrue(t.containsPoint(c));
        assertFalse(t.containsPoint(new Vec2D(0, -101)));
        // check anti-clockwise
        t.flipVertexOrder();
        assertTrue(t.containsPoint(new Vec2D(0, -50)));
        assertTrue(t.containsPoint(a));

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        Triangle2D t = new Triangle2D(a, b, c);
        assertTrue(t.containsPoint(new Vec2D(0, -50)));
        assertTrue(t.containsPoint(a));
        assertTrue(t.containsPoint(b));
        assertTrue(t.containsPoint(c));
        assertFalse(t.containsPoint(new Vec2D(0, -101)));
        // check anti-clockwise
        t.flipVertexOrder();
        assertTrue(t.containsPoint(new Vec2D(0, -50)));
        assertTrue(t.containsPoint(a));
        assertTrue(t.containsPoint(b));

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        assertTrue(t.containsPoint(b));
        assertTrue(t.containsPoint(c));
        assertFalse(t.containsPoint(new Vec2D(0, -101)));
        // check anti-clockwise
        t.flipVertexOrder();
        assertTrue(t.containsPoint(new Vec2D(0, -50)));
        assertTrue(t.containsPoint(a));
        assertTrue(t.containsPoint(b));
        assertTrue(t.containsPoint(c));
        assertFalse(t.containsPoint(new Vec2D(0, -101)));
    }

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        assertTrue(t.containsPoint(c));
        assertFalse(t.containsPoint(new Vec2D(0, -101)));
        // check anti-clockwise
        t.flipVertexOrder();
        assertTrue(t.containsPoint(new Vec2D(0, -50)));
        assertTrue(t.containsPoint(a));
        assertTrue(t.containsPoint(b));
        assertTrue(t.containsPoint(c));
        assertFalse(t.containsPoint(new Vec2D(0, -101)));
    }

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        assertFalse(t.containsPoint(new Vec2D(0, -101)));
        // check anti-clockwise
        t.flipVertexOrder();
        assertTrue(t.containsPoint(new Vec2D(0, -50)));
        assertTrue(t.containsPoint(a));
        assertTrue(t.containsPoint(b));
        assertTrue(t.containsPoint(c));
        assertFalse(t.containsPoint(new Vec2D(0, -101)));
    }


    public void testEquilateral() {

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        // check anti-clockwise
        t.flipVertexOrder();
        assertTrue(t.containsPoint(new Vec2D(0, -50)));
        assertTrue(t.containsPoint(a));
        assertTrue(t.containsPoint(b));
        assertTrue(t.containsPoint(c));
        assertFalse(t.containsPoint(new Vec2D(0, -101)));
    }


    public void testEquilateral() {
        Triangle2D t = Triangle2D.createEquilateralFrom(new Vec2D(-100, 0),

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        t.flipVertexOrder();
        assertTrue(t.containsPoint(new Vec2D(0, -50)));
        assertTrue(t.containsPoint(a));
        assertTrue(t.containsPoint(b));
        assertTrue(t.containsPoint(c));
        assertFalse(t.containsPoint(new Vec2D(0, -101)));
    }


    public void testEquilateral() {
        Triangle2D t = Triangle2D.createEquilateralFrom(new Vec2D(-100, 0),
                new Vec2D(100, 0));

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