Introduction
What is a Portal?
Rendering
Texture vs Stencil Tradeoffs
Rendering Using Stencils
Duplicate Models
Clip Planes
Banana Juice
Recursion
Third Person Gotchas
Pixel Queries
Design
Prototyping in 2D
Training Basics
Portal Funnels
Aerial Faith Plates
Trigger Catapult
Portal Highlight
Portal Placement Helper
Fun > Accurate Physics
Gels
Portal Gel
Cutting Sticky Gel
Cutting Portal Through Portal
Cutting Double Flings
Energy Ball -> Laser
Combining Elements
Laser Introduction
Laser Saturation
Laser Graduation
Laser Combination
Physics
Volumes, Vectors, and Planes
Carving Holes
Collision Lists
Shadow Clones
Q&A
Reduce Rendering Frustum
In Conclusion