function createIndicesForQuads(size, outBuffer) {
    if (outBuffer === void 0) { outBuffer = null; }
    // the total number of indices in our array, there are 6 points per quad.
    var totalIndices = size * 6;
    outBuffer = outBuffer || new Uint16Array(totalIndices);
    if (outBuffer.length !== totalIndices) {
        throw new Error("Out buffer length is incorrect, got " + outBuffer.length + " and expected " + totalIndices);
    }
    // fill the indices with the quads to draw
    for (var i = 0, j = 0; i < totalIndices; i += 6, j += 4) {
        outBuffer[i + 0] = j + 0;
        outBuffer[i + 1] = j + 1;
        outBuffer[i + 2] = j + 2;
        outBuffer[i + 3] = j + 0;
        outBuffer[i + 4] = j + 2;
        outBuffer[i + 5] = j + 3;
    }
    return outBuffer;
}
Generic Mask Stack data structure
@memberof PIXI.utils
@function createIndicesForQuads
@param {number} size - Number of quads
@param {Uint16Array|Uint32Array} [outBuffer] - Buffer for output, length has to be `6 * size`
@returns {Uint16Array|Uint32Array} - Resulting index buffer