phaser/wip/vec2/Sub.js
2018-01-09 22:12:16 +00:00

10 lines
151 B
JavaScript

let vec2 = Float32Array;
export default function (a, b, dst = new vec2(2)) {
dst[0] = a[0] - b[0];
dst[1] = a[1] - b[1];
return dst;
}