Light

• adding a light will illuminate your scene
• there are different kinds of light
  • some light types cannot be rotated, they illuminate scene in all directions
  • some light types don’t support casting shadows
  • some light types are omnipresent, ie. they don’t have a specific origin

	Can be rotated	Support Shadows	Has Specific Origin
Spot Light	✅	✅	✅
Directional Light	✅	✅	❌
Point Light	❌	✅	✅
Hemispheric Light	❌	❌	❌
Plane Light	✅	❌	✅

• Light can be emitted by following objects

“Light Source”

• a light source without any visible object attached
• the light can be set to as any of the following types
  • spot light
  • directional light
  • point light
  • hemispheric light

“Light Source Plane”

• a plane emitting light from its surface

Showcase of the light types

Spot Light

• imagine a flashlight

Point Light

• imagine a lightbulb

Directional Light

• emits the light globally in a specific direction with no specific origin point

Hemispheric Light

• an omnipresent light illuminating the whole scene equally

Plane Light

• a plane emitting light from its surface