Function setRectangle

demo/js/index.js:12647–12653

(gl, x, y, width, height)

}

function setRectangle(gl, x, y, width, height) {
  var x1 = x;
  var x2 = x + width;
  var y1 = y;
  var y2 = y + height;
  gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([x1, y1, x2, y1, x1, y2, x1, y2, x2, y1, x2, y2]), gl.STATIC_DRAW);
}

function error(msg) {
  console.error(msg);