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Wormhole

Wormhole A funnel-shaped hole sucking its texture to the middle.
The effect is accomplished like the tunnel effect but this time with a 15 x 15 texture and static lookup table (wormhole.gif or calculated array).
The texture is shifted and mapped to the static lookup table. One of the most famous demos that has a worm effect is Unreal by future crew.
Press [1] - [9] to load new textures Press arrow keys to change direction [s] will stop animation

Source code: Wormhole

Built with Processing and Processing.js