def test_collides_example(self):
vertices = [
vec3(1.0, -1.0, -1.0), vec3(1.0, -1.0, 1.0),
vec3(-1.0, -1.0, 1.0), vec3(-1.0, -1.0, -1.0),
vec3(1.0, 1.0, -0.999999), vec3(0.999999, 1.0, 1.000001),
vec3(-1.0, 1.0, 1.0), vec3(-1.0, 1.0, -1.0)
]
normals = [
vec3(1.0, -1.0, -2.0), vec3(2.0, -2.0, 1.0),
vec3(-2.0, -1.0, 2.0), vec3(-1.0, -2.0, -1.0),
vec3(2.0, 1.0, -1.0), vec3(1.0, 2.0, 2.0),
vec3(-1.0, 1.0, 1.0), vec3(-2.0, 2.0, -2.0)
]
box = BoundingBox()
box.vertices = vertices
box.normals = normals
matrix = identity()
translate(matrix, vec3(0, 0, 25))
other = BoundingBox()
other.vertices = vertices
other.normals = normals
other_matrix = identity()
translate(other_matrix, vec3(5, 0, 25))
collides = CollisionSystem.collides(box, matrix, other, other_matrix)
self.assertFalse(collides)
def test_translate(self):
m = identity()
v = vec3(1, 2, 3)
translate(m, v)
self.assertEqual(mat4([
[1, 0, 0, 1],
[0, 1, 0, 2],
[0, 0, 1, 3],
[0, 0, 0, 1]
]), m)
def test_not_collides_simple_position(self):
box = BoundingBox()
box.vertices = self.vertices
box.normals = self.normals
other = BoundingBox()
other.vertices = self.vertices
other.normals = self.normals
matrix = identity()
translate(matrix, vec3(3))
collides = CollisionSystem.collides(box, matrix, other, identity())
self.assertFalse(collides)
def test_rotate_and_translate(self):
m = identity()
rot = vec3(90)
trans = vec3(1, 2, 3)
rotate(m, rot)
translate(m, trans)
self.assertEqual(mat4([
[1.0, 0.0, 0.0, 1.0],
[0.0, 0.0, -1.0, 2.0],
[0.0, 1.0, 0.0, 3.0],
[0.0, 0.0, 0.0, 1.0]
]), m)
v = m * vec3(0, 1, 0)
self.assertEqual(vec3(1, 2, 4), v)