Source: core/drawing/geometry/geometryEllipse.js

  1. /**
  2.  * @fileoverview
  3.  * @private
  4.  */
  6. goog.provide('xrx.geometry.Ellipse');
  10. goog.require('xrx.geometry');
  11. goog.require('xrx.geometry.Geometry');
  15. /**
  16.  * @constructor
  17.  * @private
  18.  */
  19. xrx.geometry.Ellipse = function() {
  21.   goog.base(this);
  23.   this.cx = 0;
  25.   this.cy = 0;
  27.   this.rx = 0;
  29.   this.ry = 0;
  30. };
  31. goog.inherits(xrx.geometry.Ellipse, xrx.geometry.Geometry);
  35. xrx.geometry.Ellipse.prototype.containsPoint = function(point) {
  36.   return (((point[0] - this.cx) * (point[0] - this.cx)) / (this.rx * this.rx) + 
  37.       ((point[1] - this.cy) * (point[1] - this.cy)) / (this.ry * this.ry)) <= 1;
  38. };
  42. xrx.geometry.Ellipse.prototype.disposeInternal = function() {
  43.   goog.base(this, 'disposeInternal');
  44. };