ro4 = new Float32Array(4);
  var one4 = new Float32Array([1,1,1,1]);
  var black = new Float32Array([0,0,0,1]);
  var red = new Float32Array([1,0,0,1]);
  var green = new Float32Array([0,1,0,1]);
  var blue = new Float32Array([0,0,1,1]);
  var ltRed = new Float32Array([1,0.5,0.5,1]);
  var ltGreen = new Float32Array([0.5,1,0.5,1]);
  var ltBlue = new Float32Array([0.5,0.5,1,1]);
  var white = new Float32Array([1,1,1,1]);
  var flashColor = new Float32Array([1,1,1,0.75]);
  var selectPoint = [0,0,0];

  // u