![]() ![]() The computer-generated image accurately mimics the behavior of light in the real world including: When this behavior is accurately reflected in computer graphics, it creates ultra-realistic images that are indistinguishable from photographs. It’s a phenomenon we take for granted, but an area of physics that computer scientists and engineers have worked hard to replicate in the graphics realm. ![]() The way light interacts with objects determines how we see things in the real world. It may be grade school physics, but it’s worth revisiting. If light hits a wooden table, a couch, or a person sitting on the couch (opaque objects), it changes its path.Īnd then there are those objects that sit somewhere in the middle (translucent objects like a plastic bag) that let light partially pass through them. For instance, if light hits water (a transparent object), it travels through it. ![]() It behaves differently depending on what kind of matter it interacts with. ![]()
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