Table of Contents

• Introduction to the series
  • Motivation for the series
  • I use Unity, why should I bother learning shader programming at all?
  • Who are these books for?
  • I need help! What can I do?
  • Series Overview
    • 1. Foundations
    • 2. Illumination & Shadows
    • 3. Procedural Texture Manipulation
    • 4. Full-Screen Effects
  • Downloading the source code for the exercises
• Introduction to 2D Illumination
  • Why illumination?
• Static Illumination
  • Using Additive blend to light things up
    • Particles
    • Refreshing how to implement Additive
  • Using Multiply blend to create shadows
    • Refreshing how to implement Multiply
  • Limits of static illumination
  • Exercise 1
  • Conclusion
• Kinda Dynamic Local Ambient Lights
  • Creating our own 2D Light Sources
    • Ambient
    • Directional
    • Point
    • Creating the Lights prefabs
  • Object coloring
    • A note on Culling
    • Full code for the shader
  • Ambient Lights
    • Using the TextureWithAmbientLight shader in our character
    • Controlling the gradient shape with _Threshold and _Smoothness
  • Exercise 2: Directional Lights
  • Point Lights
    • Using the TextureWithPointLight shader in our character
    • Adding Point light logic
  • Interpolating between lights
  • Conclusion
• Screen-Space Automatic Rim Lights
  • Rendering Alpha Only
    • Scene Setup
    • Rendering to a RenderTexture
    • Rendering only the Alpha channel
  • Calculating Normals
    • Blurring the image
    • Generating the Normal map
  • Exercise 3: Lighting
  • Conclusion
• Dynamic Lights using Normal Mapping
  • Asset Requirement
  • Math derivation
  • Generating the Normal Map in a Shader
  • Exercise 2: Normal Map Generation
  • Using Unity’s native lights
  • Conclusion
• Where to go now?
  • Continue with the other books in the series
    • Procedural Texture Manipulation
    • Full-Screen Effects
  • The internet
  • Books
• Acknowledgements
• Credits
• Acknowledgements
• Exercise 1 Solution
  • Lights
  • Shadows
  • Conclusion
• Exercise 2 Solution
  • Using the TextureWithDirectionalLight shader in our character
  • Adding an angle to the shader
  • 2D Vector Rotation
• Exercise 3 Solution
  • The RimLights Shader
  • Final touches to ScreenSpaceRimLights.cs
• Exercise 4 Solution
• Appendix I: Vector Rotation
  • Rotating with the origin as the pivot
  • Rotating with an arbitrary pivot
  • Rotation matrix in Cg
• Appending II: Normal Mapping
• Appendix III: Coordinate Systems
  • Transforming a vertex between spaces
• Appendix IV: Lambertian Diffuse Shading
• Appendix V: Convolution