/**
* Tests the createAABB method.
*
* @since 3.1.0
*/
@Test
public void createAABB() {
Vector2[] vertices =
new Vector2[] {new Vector2(0.0, 1.0), new Vector2(-1.0, -1.0), new Vector2(1.0, -1.0)};
Polygon p = new Polygon(vertices);
AABB aabb = p.createAABB(Transform.IDENTITY);
TestCase.assertEquals(-1.0, aabb.getMinX(), 1.0e-3);
TestCase.assertEquals(-1.0, aabb.getMinY(), 1.0e-3);
TestCase.assertEquals(1.0, aabb.getMaxX(), 1.0e-3);
TestCase.assertEquals(1.0, aabb.getMaxY(), 1.0e-3);
// try using the default method
AABB aabb2 = p.createAABB();
TestCase.assertEquals(aabb.getMinX(), aabb2.getMinX());
TestCase.assertEquals(aabb.getMinY(), aabb2.getMinY());
TestCase.assertEquals(aabb.getMaxX(), aabb2.getMaxX());
TestCase.assertEquals(aabb.getMaxY(), aabb2.getMaxY());
Transform tx = new Transform();
tx.rotate(Math.toRadians(30.0));
tx.translate(1.0, 2.0);
aabb = p.createAABB(tx);
TestCase.assertEquals(0.500, aabb.getMinX(), 1.0e-3);
TestCase.assertEquals(0.634, aabb.getMinY(), 1.0e-3);
TestCase.assertEquals(2.366, aabb.getMaxX(), 1.0e-3);
TestCase.assertEquals(2.866, aabb.getMaxY(), 1.0e-3);
}
