Figure 7. Results from using weak white and strong blue ambient light
Figure 8. Result from using directional light
Directional light gives rise to a uniform and planar light wave front from a certain direc-
tion and is useful for simulating the effects of distant sources. Point light, on the other
hand, allows for the simulation of point light source placed anywhere in the scene. It is
thus useful to produce the effects of light bulbs and candles that exist as nearby objects
in the 3D world.
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