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  1. /*
  2.         DynAPI Distribution
  3.         HoverAnimation Class
  4.  
  5.         The DynAPI Distribution is distributed under the terms of the GNU LGPL license.
  6.  
  7.         requires: dynapi.functions.Math, dynapi.fx.Thread
  8. */
  9.  
  10. function HoverAnimation(dlyr) {
  11.         this.Thread = Thread;
  12.         this.Thread(dlyr);
  13.  
  14.         this.offsetX = 0;
  15.         this.offsetY = 0;
  16.         this.playing = false;
  17.         this.amplitude = 100;
  18.         this.angle = 0;
  19.         this.setAngleIncrement(10);
  20. };
  21. var p = dynapi.setPrototype('HoverAnimation','Thread');
  22. p.setAmplitude = function (amp) {
  23.         this.amplitude = amp;
  24. };
  25. p.setAngle = function (a) {
  26.         this.angle = dynapi.functions.degreeToRadian(a);
  27. };
  28. p.setAngleIncrement = function (inc) {
  29.         this.angleinc = dynapi.functions.degreeToRadian(inc);
  30. };
  31. p.playAnimation = function () {
  32.         this.playing = true;
  33.         if (this.dlyr!=null) {
  34.                 this.offsetX = 0;
  35.                 this.offsetY = this.amplitude*Math.sin(this.angle);
  36.                 this.baseX = this.dlyr.x;
  37.                 this.baseY = this.dlyr.y+this.offsetY;
  38.                 this.dlyr.invokeEvent("hoverstart");
  39.         }
  40.         this.start();
  41. };
  42. p.stopAnimation = function () {
  43.         this.playing = false;
  44.         this.stop();
  45.         if (this.dlyr!=null) this.dlyr.invokeEvent("hoverstop");
  46. };
  47. p.run = function () {
  48.         if (!this.playing || this.dlyr==null) return;
  49.         this.angle += this.angleinc;
  50.         this.offsetX = 0;
  51.         this.offsetY = this.amplitude*Math.sin(this.angle);
  52.         if (this.dlyr!=null) {
  53.                 this.dlyr.invokeEvent("hoverrun");
  54.                 this.dlyr.setLocation(this.baseX+this.offsetX,this.baseY+this.offsetY);
  55.         }
  56. };
  57. p.reset = function () {
  58.         this.angle = this.offsetX = this.offsetY = 0;
  59. };
  60.  
  61. p.generatePath = function(centerX,centerY) {
  62.         // to do
  63. };
  64.