def test_isect_b(self):
point = Vector3(0.0, 0.0, 55.92)
e1 = Vector3(55.28, 0.0, 0.0)
e2 = Vector3(0.0, 54.88, 0.0)
normal = Vector3(0.0, 0.0, -1.0)
rectangle = Rectangle(point, e1, e2, normal)
origin = Vector3(3.0, 2.5, 0.0)
direction = Vector3(0.0, 0.1, 0.88)
direction.normalize()
ray = Ray(origin, direction)
runtime = Runtime()
rectangle.isect_asm_b([runtime], "ray_rectangle_intersection")
assembler = create_assembler()
mc = assembler.assemble(self.asm_code_bool())
ds = runtime.load("test", mc)
Ray.populate_ds(ds, ray, 'ray1')
Rectangle.populate_ds(ds, rectangle, 'rec1')
runtime.run("test")
hp = rectangle.isect(ray)
if hp is False: self.assertFalse(ds["ret"] != 0)
if ds["ret"] == 0: self.assertFalse(hp)
def random_ray(ds):
origin = Vector3(0.0, 0.0, 0.0)
direction = Vector3(random(), random(), random())
direction.normalize()
ray = Ray(origin, direction)
ray_ds(ds, ray, 'ray1')
return ray
def test_isect1(self):
direction = Vector3(-1.0, -1.0, -1.0)
direction.normalize()
ray = Ray(Vector3(5.0, 5.0, 5.0), direction)
sphere = Sphere(Vector3(0.0, 0.0, 0.0), 2)
runtime = Runtime()
assembler = create_assembler()
sphere.isect_asm([runtime], "ray_sphere_intersection")
mc = assembler.assemble(self.asm_code())
ds = runtime.load("test", mc)
self.intersect(ray, sphere, runtime, ds)
for i in range(100):
r = self.random_ray()
s = self.random_sphere()
self.intersect(r, s, runtime, ds)
def test_isect1(self):
point = Vector3(0.0, 0.0, 55.92)
e1 = Vector3(55.28, 0.0, 0.0)
e2 = Vector3(0.0, 54.88, 0.0)
normal = Vector3(0.0, 0.0, -1.0)
rectangle = Rectangle(point, e1, e2, normal)
origin = Vector3(3.0, 2.5, 0.0)
direction = Vector3(0.0, 0.1, 0.88)
direction.normalize()
ray = Ray(origin, direction)
runtime = Runtime()
rectangle.isect_asm([runtime], "ray_rectangle_intersection")
assembler = create_assembler()
mc = assembler.assemble(self.asm_code())
ds = runtime.load("test", mc)
self.intersect(ray, rectangle, runtime, ds)
t = Triangle(v0, v1, v2)
v0 = Vector3(2.6, 4.4, 6.6)
v1 = Vector3(1.2, 1.1, 1.1)
v2 = Vector3(5.1, -1.1, 5.1)
t2 = Triangle(v0, v1, v2)
mgr = ShapeManager()
mgr.add('t1', t)
mgr.add('t2', t2)
origin = Vector3(0.2, 0.4, 0.6)
direction = Vector3(1.2, 1.1, 1.12)
direction.normalize()
ray = Ray(origin, direction)
linear = LinearIsect(mgr)
hit = linear.isect(ray)
runtime = Runtime()
linear.isect_asm([runtime], 'ray_scene_intersection')
code = "#DATA \n"
code += Ray.asm_struct() + HitPoint.asm_struct() + """
Ray ray1
Hitpoint hp1
uint32 ret
#CODE
def random_ray(self):
origin = Vector3(random(), random(), random())
direction = Vector3(random(), random(), random())
direction.normalize()
return Ray(origin, direction)
def generate_ray(bbox):
dir = random_in_bbox(bbox)
dir.normalize()
origin = Vector3(0.0, 0.0, 0.0)
return Ray(origin, dir)
