4 import Image |
4 import Image |
5 |
5 |
6 rt = Raytracer() |
6 rt = Raytracer() |
7 |
7 |
8 light1 = Light(position=(0.0, 5.0, -5.0), colour=(0.7, 0.3, 0.6)) |
8 light1 = Light(position=(0.0, 5.0, -5.0), colour=(0.7, 0.3, 0.6)) |
9 rt.addlight(light1) |
9 rt.addLight(light1) |
10 |
10 |
11 light2 = Light(position=(-2.0, 10.0, -2.0), colour=(0.4, 0.6, 0.3)) |
11 light2 = Light(position=(-2.0, 10.0, -2.0), colour=(0.4, 0.6, 0.3)) |
12 rt.addlight(light2) |
12 rt.addLight(light2) |
13 |
13 |
14 mat0 = Material(colour=(0.7, 0.7, 0.7)) |
14 mat0 = Material(colour=(0.7, 0.7, 0.7)) |
15 |
15 |
16 box = Box(L=(-20.0, -1.2, -20.0), H=(20.0, -1.0, 20.0), material=mat0) |
16 box = Box(L=(-20.0, -1.2, -20.0), H=(20.0, -1.0, 20.0), material=mat0) |
17 rt.addshape(box) |
17 rt.addShape(box) |
18 |
18 |
19 mat1 = Material(colour=(1.0, 0.0, 0.0)) |
19 mat1 = Material(colour=(1.0, 0.0, 0.0)) |
20 bigsphere = Sphere(centre=(3.0, 2.0, -7.0), radius=3.0, material=mat1) |
20 bigsphere = Sphere(centre=(3.0, 2.0, -7.0), radius=3.0, material=mat1) |
21 rt.addshape(bigsphere) |
21 rt.addShape(bigsphere) |
22 |
22 |
23 mat2 = Material(colour=(0.0, 1.0, 0.0)) |
23 mat2 = Material(colour=(0.0, 1.0, 0.0)) |
24 smallsphere = Sphere(centre=(-5.5, 1.5, -8.0), radius=2.0, material=mat2) |
24 smallsphere = Sphere(centre=(-5.5, 1.5, -8.0), radius=2.0, material=mat2) |
25 rt.addshape(smallsphere) |
25 rt.addShape(smallsphere) |
26 |
26 |
27 mat3 = Material(colour=(0.0, 0.0, 1.0)) |
27 mat3 = Material(colour=(0.0, 0.0, 1.0)) |
28 tinysphere = Sphere(centre=(-1.2, 0.0, -2.0), radius=0.5, material=mat3) |
28 tinysphere = Sphere(centre=(-1.2, 0.0, -2.0), radius=0.5, material=mat3) |
29 rt.addshape(tinysphere) |
29 rt.addShape(tinysphere) |
30 |
30 |
31 imagesize = (800, 600) |
31 imagesize = (800, 600) |
32 data = rt.render(imagesize) |
32 data = rt.render(imagesize) |
33 img = Image.fromstring("RGB", imagesize, data) |
33 img = Image.fromstring("RGB", imagesize, data) |
34 img.save('spheres_shadow.png') |
34 img.save('spheres_shadow.png') |