def test_linear(self):
sphere = Sphere(Vector3(0.0, 0.0, 0.0), 2.0, 0)
mgr = ShapeManager()
mgr.add('sph1', sphere)
sphere2 = Sphere(Vector3(0.0, 2.0, 0.0), 3.0, 0)
mgr.add('sph2', sphere2)
isector = LinearIsect(mgr)
runtimes = [Runtime()]
direction = Vector3(-1.0, -1.0, -1.0)
direction.normalize()
ray = Ray(Vector3(5.0, 5.0, 5.0), direction)
isector.compile()
isector.prepare(runtimes)
code = """
min_dist = 99999.0
p1 = isect_scene(ray, hitpoint, min_dist)
"""
direction = Vector3(-1.0, -1.0, -1.0)
direction.normalize()
ray = Ray(Vector3(5.0, 5.0, 5.0), direction)
hitpoint = HitPoint(0.0, Vector3(0.0, 0.0, 0.0),
Vector3(0.0, 0.0, 0.0), 6, 0.0, 0.0)
r_arg = StructArg('ray', ray)
harg = StructArg('hitpoint', hitpoint)
p1 = IntArg('p1', 6)
args = [r_arg, harg, p1]
shader = Shader(code=code, args=args)
shader.compile([isector.shader])
shader.prepare(runtimes)
hp2 = isector.isect(ray)
shader.execute()
hitpoint = shader.get_value('hitpoint')
self.assertAlmostEqual(hp2.t, hitpoint.t, places=5)
self.assertEqual(hp2.mat_idx, hitpoint.mat_idx)
n1 = hp2.normal
n2 = hitpoint.normal
self.assertAlmostEqual(n1.x, n2.x)
self.assertAlmostEqual(n1.y, n2.y, places=6)
self.assertAlmostEqual(n1.z, n2.z)
self.assertAlmostEqual(hitpoint.hit.x, hp2.hit.x, places=6)
self.assertAlmostEqual(hitpoint.hit.y, hp2.hit.y, places=6)
self.assertAlmostEqual(hitpoint.hit.z, hp2.hit.z, places=6)
result = shader.get_value('p1')
self.assertEqual(result, 1)
def test_linear_visiblity(self):
sphere = Sphere(Vector3(0.0, 0.0, 0.0), 2.0, 0)
mgr = ShapeManager()
mgr.add('sph1', sphere)
sphere2 = Sphere(Vector3(0.0, 2.0, 0.0), 3.0, 0)
mgr.add('sph2', sphere2)
isector = LinearIsect(mgr)
runtimes = [Runtime()]
direction = Vector3(-1.0, -1.0, -1.0)
direction.normalize()
ray = Ray(Vector3(5.0, 5.0, 5.0), direction)
isector.compile()
isector.prepare(runtimes)
code = """
p1 = (9, 8, 7)
p2 = (-2, -5, -3)
ret = visibility(p1, p2)
"""
ret = IntArg('ret', 6)
args = [ret]
shader = Shader(code=code, args=args)
shader.compile([isector.visible_shader])
shader.prepare(runtimes)
p1 = Vector3(9.0, 8.0, 7.0)
p2 = Vector3(-2.0, -5.0, -3.0)
ret = isector.visibility(p1, p2)
shader.execute()
ret_s = shader.get_value('ret')
if ret is True and ret_s == 0:
raise ValueError("Linear visiblity is calculated wrong", ret, ret_s)
if ret is False and ret_s == 1:
raise ValueError("Linear visiblity is calculated wrong", ret, ret_s)
def test_linear(self):
sphere = Sphere(Vector3(0.0, 0.0, 0.0), 2.0, 0)
mgr = ShapeManager()
mgr.add('sph1', sphere)
sphere2 = Sphere(Vector3(0.0, 2.0, 0.0), 3.0, 0)
mgr.add('sph2', sphere2)
isector = LinearIsect(mgr)
runtimes = [Runtime()]
direction = Vector3(-1.0, -1.0, -1.0)
direction.normalize()
ray = Ray(Vector3(5.0, 5.0, 5.0), direction)
isector.compile()
isector.prepare(runtimes)
code = """
min_dist = 99999.0
p1 = isect_scene(ray, hitpoint, min_dist)
"""
direction = Vector3(-1.0, -1.0, -1.0)
direction.normalize()
ray = Ray(Vector3(5.0, 5.0, 5.0), direction)
hitpoint = HitPoint(0.0, Vector3(0.0, 0.0, 0.0),
Vector3(0.0, 0.0, 0.0), 6, 0.0, 0.0)
r_arg = StructArg('ray', ray)
harg = StructArg('hitpoint', hitpoint)
p1 = IntArg('p1', 6)
args = [r_arg, harg, p1]
shader = Shader(code=code, args=args)
shader.compile([isector.shader])
shader.prepare(runtimes)
hp2 = isector.isect(ray)
shader.execute()
hitpoint = shader.get_value('hitpoint')
self.assertAlmostEqual(hp2.t, hitpoint.t, places=5)
self.assertEqual(hp2.mat_idx, hitpoint.mat_idx)
n1 = hp2.normal
n2 = hitpoint.normal
self.assertAlmostEqual(n1.x, n2.x)
self.assertAlmostEqual(n1.y, n2.y, places=6)
self.assertAlmostEqual(n1.z, n2.z)
self.assertAlmostEqual(hitpoint.hit.x, hp2.hit.x, places=6)
self.assertAlmostEqual(hitpoint.hit.y, hp2.hit.y, places=6)
self.assertAlmostEqual(hitpoint.hit.z, hp2.hit.z, places=6)
result = shader.get_value('p1')
self.assertEqual(result, 1)
def test_linear_visiblity(self):
sphere = Sphere(Vector3(0.0, 0.0, 0.0), 2.0, 0)
mgr = ShapeManager()
mgr.add('sph1', sphere)
sphere2 = Sphere(Vector3(0.0, 2.0, 0.0), 3.0, 0)
mgr.add('sph2', sphere2)
isector = LinearIsect(mgr)
runtimes = [Runtime()]
direction = Vector3(-1.0, -1.0, -1.0)
direction.normalize()
ray = Ray(Vector3(5.0, 5.0, 5.0), direction)
isector.compile()
isector.prepare(runtimes)
code = """
p1 = (9, 8, 7)
p2 = (-2, -5, -3)
ret = visibility(p1, p2)
"""
ret = IntArg('ret', 6)
args = [ret]
shader = Shader(code=code, args=args)
shader.compile([isector.visible_shader])
shader.prepare(runtimes)
p1 = Vector3(9.0, 8.0, 7.0)
p2 = Vector3(-2.0, -5.0, -3.0)
ret = isector.visibility(p1, p2)
shader.execute()
ret_s = shader.get_value('ret')
if ret is True and ret_s == 0:
raise ValueError("Linear visiblity is calculated wrong", ret,
ret_s)
if ret is False and ret_s == 1:
raise ValueError("Linear visiblity is calculated wrong", ret,
ret_s)