Real-time Optimizations

• Polygon reduction
  
  
• Texturing
  
  
• Flattening database
  
  
• Culling (frustum, portal, etc)
  
  
• Pre-computed lighting
  
  
• Level of detail
  
  
• Billboarding
  
  
• Texture animation
  
  
• Texture compression
  
  
• Multi-texturing