Lecture 9:
Lighting

Contents

	Lecture Objectives	9-1
	Lighting Basics	9-2
	Enabling Lighting Calculations	9-3
	Turning On the Lights	9-4
	What Is a Normal Vector?	9-5
	Specifying Normals	9-6
	Specifying Face Normals	9-7
	Specifying Vertex Normals	9-8
	Automatic Normalization of Normal Vectors	9-9
	Example: normals.c	9-10
	Material Properties	9-11
	Specifying Material Properties	9-12
	Example: materials.c	9-13
	Specifying Fast Material Changes	9-14
	Fast Material Changes Example	9-15
	Example: colorMaterial.c	9-16
	Lab: Material Properties	9-17
	Specifying Light Source Properties	9-18
	Querying Light Source Properties	9-19
	Specifying Light Positions	9-20
	Light Position and the Modelview Matrix	9-21
	Light Source That Moves With the Eye	9-22
	Light Source Fixed in a Scene	9-23
	Example: lightPosition.c	9-24
	Specifying the Lighting Model	9-25
	Moving Light Source	9-26
	Example: movingLight.c	9-27
	Ambient Intensity	9-28
	Diffuse Intensity	9-29
	Specular Intensity	9-30
	The Lighting Equation	9-31
	Example: lightIntensity.c	9-32
	Hints for Fast Lighting	9-33
	Lab: Lighting Properties	9-34
	Lecture Summary	9-35
	OpenGL Lighting Quick Reference	9-36
	OpenGL C Quick Reference	9-37