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slawo-ch/plasma_height_map_offsets.js

Created December 23, 2019 11:27
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plasma_height_map_offsets.js
// offsets for moving height maps
let dx1 = 0;
let dy1 = 0;
let dx2 = 0;
let dy2 = 0;
// adjust height maps offsets
const moveHeightMaps = t => {
dx1 = Math.floor(
(((Math.cos(t * 0.0002 + 0.4 + Math.PI) + 1) / 2) * mapSize) / 2
);
dy1 = Math.floor(
(((Math.cos(t * 0.0003 - 0.1) + 1) / 2) * mapSize) / 2
);
dx2 = Math.floor(
(((Math.cos(t * -0.0002 + 1.2) + 1) / 2) * mapSize) / 2
);
dy2 = Math.floor(
(((Math.cos(t * -0.0003 - 0.8 + Math.PI) + 1) / 2) * mapSize) / 2
);
};
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