Topics in this section

• Light and shadow in the real world
• Absorption, reflection, and refraction of light
• Indirect (global) vs. direct illumination
• Direct light sources
• Shadow
• Apply and adjust basic direct lighting
• Position features of a light interactively
• Light specific surfaces
• Control area lights
• Adjust decay
• Adjust a spot light’s light circle
• Create glows, halos, or lens flares
• Cast shadows
• Troubleshoot direct light sources
• Troubleshoot shadows