Point light
Point light is a light source that emits light equally in all directions. A good example for cases where a point light should be used is for an exposed light bulb, lit torch, and any other light source that emits light evenly in all directions.
The following screenshot shows the bunny with a point light in front of its chest:
Looking at the previous screenshot, you may be wondering why you can't see the actual light source. With the exception of an ambient light, all the light sources featured in this chapter only calculate the first light bounce. Because we don't calculate the effect of rays hitting the camera directly from the light ...
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