Assignment 3

Phong Shading:

Changing the settings of the material:

Changing the position of the light source:

Texture Mapping

Plane vs. Cylinder vs. Sphere

with crate texture

texture coordinates -> cylinder on a cylinderical object:

plane -> sphere on a spherical model:

plane -> cylinder -> sphere on a teapot:
with chess texture

plane on teapot:

cylinder on teapot:

sphere on teapot:

sphere on demo:

Environment Mapping

We loaded the Yokohama 2 skybox from http://www.humus.name/index.php?page=Textures&start=0:

And added background control:

Environment mapping (Yokohama 2 skybox example):

Toon Shading (looks cartoonish)

Normal Mapping

without noraml mapping:

with noraml mapping:

Demos

Two cubes, same texture, one cube uses cylindrical mapping:

Sphere object:

3 teapots: