def test_set_origin_xyz(self):
ray = Ray()
v = Vector()
v.x = 1
v.y = 2
v.z = 3
ray.setOriginXYZ(1, 2, 3)
self.assertTrue(ray.origin.equal(v))
def test_sphere_hit(self):
ray = Ray()
ray.setOriginXYZ(0, 0, 10)
ray.setDirXYZ(0, 0, -1)
pos = Vector()
pos.x = pos.y = pos.z = 0
r = 1
sphere = Sphere(pos, r)
result = sphere.hit(ray)
self.assertEqual(result['hit'], True)
self.assertEqual(result['tmin'], 9)
def test_plane_hit(self):
ray = Ray()
ray.setOriginXYZ(10, 10, 10)
ray.setDirXYZ(0, 0, -1)
pos = Vector()
normal = Vector()
normal.z = 1
plane = Plane(pos, normal)
result = plane.hit(ray)
self.assertEqual(result['hit'], True)
self.assertEqual(result['tmin'], 10)
def render_scene(self):
zw = 100
zdir = -1
image = Image.new('RGB', (self.vp.hres, self.vp.vres), (0, 0, 0))
draw = ImageDraw.Draw(image)
for r in range(self.vp.vres):
for c in range(self.vp.hres):
x = self.vp.s * (r - 0.5 * (self.vp.hres - 1))
y = self.vp.s * (c - 0.5 * (self.vp.vres - 1))
ray = Ray()
ray.setOriginXYZ(x, y, zw)
ray.setDirXYZ(0, 0, zdir)
# pixel = self.tracer.trace_ray(ray)
pixel = self.mul_tracer.trace_ray(ray).color
draw.point((r, c), fill=(pixel.r, pixel.g, pixel.b))
image.save('code.jpg', 'jpeg')
def render_scene(self, world):
zw = 100
zdir = -1
vp = ViewPlane()
image = Image.new('RGB', (vp.hres, vp.vres), (0, 0, 0))
draw = ImageDraw.Draw(image)
for r in range(vp.vres):
for c in range(vp.hres):
x = vp.s * (r - 0.5 * (vp.hres - 1))
y = vp.s * (c - 0.5 * (vp.vres - 1))
ray = Ray()
ray.setOriginXYZ(x, y, zw)
ray.setDirXYZ(0, 0, zdir)
pixel = world.mul_tracer.trace_ray(ray).color
draw.point((r, c), fill=(pixel.r, pixel.g, pixel.b))
image.save('camera.jpg', 'jpeg')