The Tantalum Renderer
Above and below on the right, two simplified eyes each composed of a diaphragm, a converging lens and a dark red diffuse surface playing the role of the fundus. Whatever the position of the flash, red light, reflected by the fundus of the eye, returns to the direction of the flash. The less perfect the focus, the wider this ray of red light.
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About
Tantalum is a physically based 2D renderer written out of personal interest. The idea of this project was to build a light transport simulation using the same mathematical tools used in academic and movie production renderers, but in a simplified 2D setting. The 2D setting allows for faster render times and a more accessible way of understanding and interacting with light, even for people with no prior knowledge or interest in rendering.
Tantalum is written in JavaScript and WebGL.