lighting

• a point light casts rays in every direction from a single, small source. It has no specific size or shape
• there are two types of spot lighting:

  1. free spot
  2. targeted spot light
• Free spot lights have no target object
• Spot lights are used to simulate light fixtures
• The different types of lighting are:

  • Point or omni
  • Spot
  • Directional
  • Volume
  • Ambience
  • Image Based Lighting (IBL)
• Directional lighting is the opposite to omni/point lighting
• Directional lighting presents a very distant source of light and go parallel in a single direction
• Directional lighting is often used to simulate sunlight
• Volume lighting is similar to omni/point lighting
• Volume light casts rays in all directions from a certain point but the volume light has a specific shape and size
• Volume light provide the effect of smoke, fog and so on
• Ambience lighting casts soft rays in every direction, though it has no certain directionality and emits no shadow on the ground