@tolokoban/tgd
Version:
ToloGameDev library for WebGL2
19 lines • 767 B
JavaScript
/**
* Rotate 2D coordinates.
*/
export function tgdCodeFunction_rotate2D(options) {
const { name = "rotate2D" } = options;
return {
[name]: `vec2 ${name}(vec2 p, float angle) {
float c = cos(angle);
float s = sin(angle);
mat2 m = mat2(
c, s,
-s, c
);
return m * p;
}
`,
};
}
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