pixi.js
Version:
PixiJS — The HTML5 Creation Engine =============
24 lines (22 loc) • 609 B
JavaScript
;
function transformVertices(vertices, m, offset, stride, size) {
const a = m.a;
const b = m.b;
const c = m.c;
const d = m.d;
const tx = m.tx;
const ty = m.ty;
offset = offset || 0;
stride = stride || 2;
size = size || vertices.length / stride - offset;
let index = offset * stride;
for (let i = 0; i < size; i++) {
const x = vertices[index];
const y = vertices[index + 1];
vertices[index] = a * x + c * y + tx;
vertices[index + 1] = b * x + d * y + ty;
index += stride;
}
}
export { transformVertices };
//# sourceMappingURL=transformVertices.mjs.map