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# Copyright (c) 2015 Ultimaker B.V.
# Uranium is released under the terms of the LGPLv3 or higher.
from UM.Math.AxisAlignedBox import AxisAlignedBox
from UM.Math.Vector import Vector
from UM.Math.Ray import Ray
import unittest
class TestAxisAlignedBox(unittest.TestCase):
def setUp(self):
# Called before the first testfunction is executed
pass
def tearDown(self):
# Called after the last testfunction was executed
pass
def test_create(self):
box = AxisAlignedBox()
self.assertEqual(Vector(0.0, 0.0, 0.0), box.minimum)
self.assertEqual(Vector(0.0, 0.0, 0.0), box.maximum)
self.assertFalse(box.isValid())
box = AxisAlignedBox(minimum = Vector(), maximum = Vector(10.0, 10.0, 10.0))
self.assertEqual(Vector(0.0, 0.0, 0.0), box.minimum)
self.assertEqual(Vector(10.0, 10.0, 10.0), box.maximum)
self.assertTrue(box.isValid())
def test_set(self):
box = AxisAlignedBox()
box = box.set(left=-5.0)
self.assertEqual(-5.0, box.left)
self.assertEqual(0.0, box.right)
self.assertFalse(box.isValid())
box = box.set(bottom=-5.0)
self.assertEqual(-5.0, box.bottom)
self.assertEqual(0.0, box.top)
self.assertFalse(box.isValid())
box = box.set(back=-5.0)
self.assertEqual(-5.0, box.back)
self.assertEqual(0.0, box.front)
self.assertTrue(box.isValid())
box = box.set(right=5.0)
self.assertEqual(-5.0, box.left)
self.assertEqual(5.0, box.right)
self.assertTrue(box.isValid())
box = box.set(top=5.0)
self.assertEqual(-5.0, box.bottom)
self.assertEqual(5.0, box.top)
self.assertTrue(box.isValid())
box = box.set(front=5.0)
self.assertEqual(-5.0, box.back)
self.assertEqual(5.0, box.front)
self.assertTrue(box.isValid())
box = box.set(right=-10.0)
self.assertEqual(-10.0, box.left)
self.assertEqual(-5.0, box.right)
self.assertTrue(box.isValid())
box = box.set(top=-10.0)
self.assertEqual(-10.0, box.bottom)
self.assertEqual(-5.0, box.top)
self.assertTrue(box.isValid())
box = box.set(front=-10.0)
self.assertEqual(-10.0, box.back)
self.assertEqual(-5.0, box.front)
self.assertTrue(box.isValid())
def test_add(self):
box1 = AxisAlignedBox(minimum = Vector(-10.0, -10.0, -10.0), maximum = Vector(0.0, 0.0, 0.0))
box2 = AxisAlignedBox(minimum = Vector(0.0, 0.0, 0.0), maximum = Vector(10.0, 10.0, 10.0))
joined = box1 + box2
self.assertEqual(Vector(-10.0, -10.0, -10.0), joined.minimum)
self.assertEqual(Vector(10.0, 10.0, 10.0), joined.maximum)
self.assertTrue(joined.isValid())
def test_intersectsRay(self):
box = AxisAlignedBox(minimum=Vector(-5,-5,-5), maximum=Vector(5.0, 5.0, 5.0))
ray = Ray(Vector(-10.0, 0.0, 0.0), Vector(1.0, 0.0, 0.0))
result = box.intersectsRay(ray)
self.assertNotEqual(False, result)
self.assertEqual(5.0, result[0])
self.assertEqual(15.0, result[1])
ray = Ray(Vector(10.0, 0.0, 0.0), Vector(-1.0, 0.0, 0.0))
result = box.intersectsRay(ray)
self.assertNotEqual(False, result)
self.assertEqual(5.0, result[0])
self.assertEqual(15.0, result[1])
ray = Ray(Vector(0.0, -10.0, 0.0), Vector(0.0, 1.0, 0.0))
result = box.intersectsRay(ray)
self.assertNotEqual(False, result)
self.assertEqual(5.0, result[0])
self.assertEqual(15.0, result[1])
ray = Ray(Vector(0.0, 10.0, 0.0), Vector(0.0, -1.0, 0.0))
result = box.intersectsRay(ray)
self.assertNotEqual(False, result)
self.assertEqual(5.0, result[0])
self.assertEqual(15.0, result[1])
ray = Ray(Vector(0.0, 0.0, -10.0), Vector(0.0, 0.0, 1.0))
result = box.intersectsRay(ray)
self.assertNotEqual(False, result)
self.assertEqual(5.0, result[0])
self.assertEqual(15.0, result[1])
ray = Ray(Vector(0.0, 0.0, 10.0), Vector(0.0, 0.0, -1.0))
result = box.intersectsRay(ray)
self.assertNotEqual(False, result)
self.assertEqual(5.0, result[0])
self.assertEqual(15.0, result[1])
ray = Ray(Vector(15.0, 0.0, 0.0), Vector(0.0, 1.0, 0.0))
result = box.intersectsRay(ray)
self.assertEqual(False, result)
ray = Ray(Vector(15.0, 15.0, 0.0), Vector(-1.0, -1.0, 0.0))
result = box.intersectsRay(ray)
self.assertNotEqual(False, result)
self.assertEqual(10.0, result[0])
self.assertEqual(20.0, result[1])
ray = Ray(Vector(10.0, -15.0, 0.0), Vector(-1.0, 1.0, 0.0))
result = box.intersectsRay(ray)
self.assertNotEqual(False, result)
self.assertEqual(10.0, result[0])
self.assertEqual(15.0, result[1])
def test_intersectsBox(self):
box1 = AxisAlignedBox(minimum = Vector(5.0, 5.0, 5.0), maximum = Vector(10.0, 10.0, 10.0))
box2 = AxisAlignedBox(minimum = Vector(-10.0, -10.0, -10.0), maximum = Vector(-5.0, -5.0, -5.0))
self.assertEqual(box1.intersectsBox(box2), AxisAlignedBox.IntersectionResult.NoIntersection)
box2 = AxisAlignedBox(minimum = Vector(-10.0, 0.0, -10.0), maximum = Vector(-5.0, 10.0, -5.0))
self.assertEqual(box1.intersectsBox(box2), AxisAlignedBox.IntersectionResult.NoIntersection)
box2 = AxisAlignedBox(minimum = Vector(0.0, -10.0, -10.0), maximum = Vector(10.0, -5.0, -5.0))
self.assertEqual(box1.intersectsBox(box2), AxisAlignedBox.IntersectionResult.NoIntersection)
box2 = AxisAlignedBox(minimum = Vector(-10.0, -10.0, 0.0), maximum = Vector(-5.0, -5.0, 10.0))
self.assertEqual(box1.intersectsBox(box2), AxisAlignedBox.IntersectionResult.NoIntersection)
box2 = AxisAlignedBox(minimum = Vector(0.0, 0.0, 0.0), maximum = Vector(7.5, 7.5, 7.5))
self.assertEqual(box1.intersectsBox(box2), AxisAlignedBox.IntersectionResult.PartialIntersection)
box2 = AxisAlignedBox(minimum = Vector(5.0, 0.0, 5.0), maximum = Vector(10.0, 7.5, 10.0))
self.assertEqual(box1.intersectsBox(box2), AxisAlignedBox.IntersectionResult.PartialIntersection)
box2 = AxisAlignedBox(minimum = Vector(6.0, 6.0, 6.0), maximum = Vector(9.0, 9.0, 9.0))
self.assertEqual(box1.intersectsBox(box2), AxisAlignedBox.IntersectionResult.FullIntersection)
box2 = AxisAlignedBox(minimum = Vector(5.0, 5.0, 5.0), maximum = Vector(10.0, 10.0, 10.0))
self.assertEqual(box1.intersectsBox(box2), AxisAlignedBox.IntersectionResult.FullIntersection)
if __name__ == "__main__":
unittest.main()
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