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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 20 | reyssat | 1 | /* |
| 2 | DynAPI Distribution |
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| 3 | CircleAnimation Class |
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| 4 | |||
| 5 | The DynAPI Distribution is distributed under the terms of the GNU LGPL license. |
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| 6 | |||
| 7 | requires: dynapi.functions.Math,dynapi.fx.Thread |
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| 8 | */ |
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| 9 | |||
| 10 | function CircleAnimation(dlyr) { |
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| 11 | this.Thread = Thread; |
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| 12 | this.Thread(dlyr); |
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| 13 | |||
| 14 | this.offsetX = 0; |
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| 15 | this.offsetY = 0; |
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| 16 | this.playing = false; |
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| 17 | this.radius = 100; |
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| 18 | this.angle = 0; |
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| 19 | this.setAngleIncrement(10); |
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| 20 | }; |
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| 21 | var p = dynapi.setPrototype('CircleAnimation','Thread'); |
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| 22 | p.setRadius = function (r) { |
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| 23 | this.hradius = this.vradius = r; |
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| 24 | }; |
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| 25 | p.setHRadius = function (r) { |
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| 26 | this.hradius = r; |
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| 27 | }; |
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| 28 | p.setVRadius = function (r) { |
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| 29 | this.vradius = r; |
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| 30 | }; |
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| 31 | p.setAngle = function (a) { |
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| 32 | this.angle = dynapi.functions.degreeToRadian(a); |
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| 33 | }; |
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| 34 | p.setAngleIncrement = function (inc) { |
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| 35 | this.angleinc = dynapi.functions.degreeToRadian(inc); |
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| 36 | }; |
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| 37 | p.playAnimation = function () { |
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| 38 | this.playing = true; |
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| 39 | if (this.dlyr!=null) { |
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| 40 | this.offsetX = this.hradius*Math.cos(this.angle); |
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| 41 | this.offsetY = -this.vradius*Math.sin(this.angle); |
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| 42 | this.baseX = this.dlyr.x-this.offsetX; |
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| 43 | this.baseY = this.dlyr.y+this.offsetY; |
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| 44 | this.dlyr.invokeEvent("circlestart"); |
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| 45 | } |
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| 46 | this.start(); |
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| 47 | }; |
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| 48 | p.stopAnimation = function () { |
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| 49 | this.playing = false; |
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| 50 | this.stop(); |
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| 51 | if (this.dlyr!=null) this.dlyr.invokeEvent("circlestop"); |
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| 52 | }; |
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| 53 | p.run = function () { |
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| 54 | if (!this.playing || this.dlyr==null) return; |
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| 55 | this.angle += this.angleinc; |
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| 56 | this.offsetX = this.hradius*Math.cos(this.angle); |
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| 57 | this.offsetY = -this.vradius*Math.sin(this.angle); |
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| 58 | |||
| 59 | if (this.dlyr!=null) { |
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| 60 | this.dlyr.invokeEvent("circlerun"); |
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| 61 | this.dlyr.setLocation(this.baseX+this.offsetX,this.baseY+this.offsetY); |
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| 62 | } |
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| 63 | }; |
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| 64 | p.reset = function () { |
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| 65 | this.angle = this.offsetX = this.offsetY = 0; |
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| 66 | }; |
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| 67 | p.generatePath = function(centerX,centerY) { |
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| 68 | if (centerX==null) centerX = this.dlyr!=null? this.dlyr.x : 0; |
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| 69 | if (centerY==null) centerY = this.dlyr!=null? this.dlyr.y : 0; |
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| 70 | var path = []; |
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| 71 | var i = 0; |
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| 72 | /* for (var a=this.angle;a<=this.angle+Math.PI*2;a+=this.angleinc) { |
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| 73 | path[i] = Math.round(centerX + this.hradius*Math.cos(a)); |
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| 74 | path[i+1] = Math.round(centerY - this.vradius*Math.sin(a)); |
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| 75 | i+=2; |
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| 76 | }*/ |
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| 77 | |||
| 78 | if (this.angleinc>0) |
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| 79 | for (var a=this.angle;a<=this.angle+Math.PI*2;a+=this.angleinc) { |
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| 80 | path[i] = Math.round(centerX + this.hradius*Math.cos(a)); |
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| 81 | path[i+1] = Math.round(centerY - this.vradius*Math.sin(a)); |
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| 82 | i+=2; |
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| 83 | } |
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| 84 | else |
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| 85 | for (var a=this.angle;a>=this.angle-Math.PI*2;a+=this.angleinc) { |
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| 86 | path[i] = Math.round(centerX + this.hradius*Math.cos(a)); |
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| 87 | path[i+1] = Math.round(centerY - this.vradius*Math.sin(a)); |
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| 88 | i+=2; |
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| 89 | } |
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| 90 | return path; |
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| 91 | }; |