– Casting Shadows
We get a shadow when an object blocks the path of light as it travels away from its source. The shape of a shadow is determined by the angle of light, the shape of the object in its path, and sometimes the surface upon which the shadow is cast. Let’s examine these ideas in more detail:
Light Source – The location where light originates. In perspective, there are four ways of describing light: positive sun, negative sun, parallel sun, and radiating (artificial) light. We’ll talk about these soon.