Overview
Lighting is an important factor to consider while rendering realistic 3D shapes. The following discusses adapting lighting conditions while rendering 3D images.
Details
According to physics, visible light is made up of a band of different wavelengths. Each segment has a designated color that human eye can detect.
When light is shone on an object, it absorbs some wavelengths and reflects some giving out the color based on the material property of the object.
The reflection is different based on its proximity to the light source and the angle between its position and the light source. Therefore light calculations should factor these.
The calculations primarily considers three kinds of light sources.
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