Spot Light

Emits light from a source location to a target based on the shape of a cone

Outer Cone: define when the light starts to fall off

Inner Cone: determines the hot spot of the light

Spot lights are good for emulating 仿效 sources of light such as floodlights and track lighting

Point Light

Emits light in all directions from its specified location

Point lights are good for emulating sources of light such as light bulbs, lanterns, and candles