code: function L2DViewMatrix() {
    L2DMatrix44.prototype.constructor.call(this);
    this.screenLeft = null;
    this.screenRight = null;
    this.screenTop = null;
    this.screenBottom = null;
    this.maxLeft = null;
    this.maxRight = null;
    this.maxTop = null;
    this.maxBottom = null;
  }
docs: ============================================================ ============================================================ class L2DViewMatrix        extends     L2DMatrix44 ============================================================ ============================================================