Casting Shadows
With a single light source, all of the shadows in the picture recede to the same vanishing point. This vanishing point is placed directly under the light source. The shadows follow the plane on which the object is sitting. Shadows also follow the contour of the plane on which they are cast.
Light rays travel in straight lines and strike an object that is in the way. That object then blocks the rays from continuing onward. This creates the absence of light in the form of a shadow. Each shadow has its own shape that is peculiar to the object that casts it. Notice the different shapes of the shadows in the following examples.
Step 1 Draw a cube using two-point perspective. Next select a point for the light source and place a ...
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