def test_general_intersection(self):
"test non intersecting segments"
tan1 = Tangent(Vec2D(1, 0), None, None, Vec2D(2, 0), None, None)
tan2 = Tangent(Vec2D(0, -2), None, None, Vec2D(0, -1), None, None)
self.assertFalse(tan1.intersect(tan2))
self.assertFalse(tan2.intersect(tan1))
def test_colinear_nonoverlapping(self):
"test that colinear nonoverlapping doesn't count as intersection"
tan1 = Tangent(Vec2D(1, 0), None, None, Vec2D(2, 0), None, None)
tan2 = Tangent(Vec2D(-2, 0), None, None, Vec2D(0, 0), None, None)
self.assertFalse(tan1.intersect(tan2))
self.assertFalse(tan2.intersect(tan1))
def test_parallel_intersection(self):
"test that parallel segments don't intersect"
tan1 = Tangent(Vec2D(1, 0), None, None, Vec2D(2, 0), None, None)
tan2 = Tangent(Vec2D(1, 1), None, None, Vec2D(2, 1), None, None)
self.assertFalse(tan1.intersect(tan2))
self.assertFalse(tan2.intersect(tan1))
def test_simple_intersection(self):
"test simple 1 point intersection"
tan1 = Tangent(Vec2D(-1, 0), None, None, Vec2D(1, 0), None, None)
tan2 = Tangent(Vec2D(0, -1), None, None, Vec2D(0, 1), None, None)
self.assertTrue(tan1.intersect(tan2))
self.assertTrue(tan2.intersect(tan1))
def test_overlapping_intersection(self):
"test that overlapping counts as intersection"
tan1 = Tangent(Vec2D(-1, 0), None, None, Vec2D(1, 0), None, None)
tan2 = Tangent(Vec2D(-2, 0), None, None, Vec2D(0, 0), None, None)
self.assertTrue(tan1.intersect(tan2))
self.assertTrue(tan2.intersect(tan1))
def test_general_intersection(self):
"test non intersecting segments"
tan1 = Tangent(Vec2D(1, 0), None, None, Vec2D(2, 0), None, None)
tan2 = Tangent(Vec2D(0, -2), None, None, Vec2D(0, -1), None, None)
self.assertFalse(tan1.intersect(tan2))
self.assertFalse(tan2.intersect(tan1))
def test_parallel_intersection(self):
"test that parallel segments don't intersect"
tan1 = Tangent(Vec2D(1, 0), None, None, Vec2D(2, 0), None, None)
tan2 = Tangent(Vec2D(1, 1), None, None, Vec2D(2, 1), None, None)
self.assertFalse(tan1.intersect(tan2))
self.assertFalse(tan2.intersect(tan1))
def test_colinear_nonoverlapping(self):
"test that colinear nonoverlapping doesn't count as intersection"
tan1 = Tangent(Vec2D(1, 0), None, None, Vec2D(2, 0), None, None)
tan2 = Tangent(Vec2D(-2, 0), None, None, Vec2D(0, 0), None, None)
self.assertFalse(tan1.intersect(tan2))
self.assertFalse(tan2.intersect(tan1))
def test_overlapping_intersection(self):
"test that overlapping counts as intersection"
tan1 = Tangent(Vec2D(-1, 0), None, None, Vec2D(1, 0), None, None)
tan2 = Tangent(Vec2D(-2, 0), None, None, Vec2D(0, 0), None, None)
self.assertTrue(tan1.intersect(tan2))
self.assertTrue(tan2.intersect(tan1))
def test_simple_intersection(self):
"test simple 1 point intersection"
tan1 = Tangent(Vec2D(-1, 0), None, None, Vec2D(1, 0), None, None)
tan2 = Tangent(Vec2D(0, -1), None, None, Vec2D(0, 1), None, None)
self.assertTrue(tan1.intersect(tan2))
self.assertTrue(tan2.intersect(tan1))