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by treeform
1118 days ago
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At 13, I reinvented perspective divide: https://www.khronos.org/opengl/wiki/Vertex_Post-Processing#P... . I wanted to draw 3D things like in 3D games, but with QBasic. I knew how to draw lines and shapes in 2D, but I couldn't figure out how to do that in 3D. I would ask adults about this and they had no idea. They couldn't even understand the question. Eventually, I figured out that you needed to divide or multiply by the Z-axis with a "zoom" constant to make stuff move in 3D. |
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