makeOrthographic method

Matrix4 makeOrthographic(
  1. num left,
  2. num right,
  3. num top,
  4. num bottom,
  5. num near,
  6. num far,
)

Implementation

Matrix4 makeOrthographic(num left, num right, num top, num bottom, num near, num far) {
  var te = elements;
  var w = 1.0 / (right - left);
  var h = 1.0 / (top - bottom);
  var p = 1.0 / (far - near);

  var x = (right + left) * w;
  var y = (top + bottom) * h;
  var z = (far + near) * p;

  te[0] = 2 * w;
  te[4] = 0;
  te[8] = 0;
  te[12] = -x;
  te[1] = 0;
  te[5] = 2 * h;
  te[9] = 0;
  te[13] = -y;
  te[2] = 0;
  te[6] = 0;
  te[10] = -2 * p;
  te[14] = -z;
  te[3] = 0;
  te[7] = 0;
  te[11] = 0;
  te[15] = 1;

  return this;
}