forked from sent/waves
58 lines
10 KiB
JavaScript
58 lines
10 KiB
JavaScript
var _Group=function(){this._tweens={};this._tweensAddedDuringUpdate={};};_Group.prototype={getAll:function(){return Object.keys(this._tweens).map(function(tweenId){return this._tweens[tweenId];}.bind(this));},removeAll:function(){this._tweens={};},add:function(tween){this._tweens[tween.getId()]=tween;this._tweensAddedDuringUpdate[tween.getId()]=tween;},remove:function(tween){delete this._tweens[tween.getId()];delete this._tweensAddedDuringUpdate[tween.getId()];},update:function(time,preserve){var tweenIds=Object.keys(this._tweens);if(tweenIds.length===0){return false;}
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time=time!==undefined?time:TWEEN.now();while(tweenIds.length>0){this._tweensAddedDuringUpdate={};for(var i=0;i<tweenIds.length;i++){var tween=this._tweens[tweenIds[i]];if(tween&&tween.update(time)===false){tween._isPlaying=false;tween.isPlaying=false;if(!preserve){delete this._tweens[tweenIds[i]];}}}
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tweenIds=Object.keys(this._tweensAddedDuringUpdate);}
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return true;}};globalThis.TWEEN=new _Group();TWEEN.Group=_Group;TWEEN._nextId=0;TWEEN.nextId=function(){return TWEEN._nextId++;};if(typeof(self)==='undefined'&&typeof(process)!=='undefined'&&process.hrtime){TWEEN.now=function(){var time=process.hrtime();return time[0]*1000+time[1]/1000000;};}
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else if(typeof(self)!=='undefined'&&self.performance!==undefined&&self.performance.now!==undefined){TWEEN.now=self.performance.now.bind(self.performance);}
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else if(Date.now!==undefined){TWEEN.now=Date.now;}
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else{TWEEN.now=function(){return new Date().getTime();};}
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TWEEN.Tween=function(object,group){this._object=object;this._valuesStart={};this._valuesEnd={};this._valuesStartRepeat={};this._duration=1000;this._repeat=0;this._repeatDelayTime=undefined;this._yoyo=false;this._isPlaying=false;this.isPlaying=false;this._reversed=false;this._delayTime=0;this._startTime=null;this._easingFunction=TWEEN.Easing.Linear.None;this._interpolationFunction=TWEEN.Interpolation.Linear;this._chainedTweens=[];this._onStartCallback=null;this._onStartCallbackFired=false;this._onUpdateCallback=null;this._onCompleteCallback=null;this._onCompleteCallbackScope=null;this._onStopCallback=null;this._group=group||TWEEN;this._id=TWEEN.nextId();};TWEEN.Tween.prototype={setObject:function(object){if(object)
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this._object=object;},getId:function getId(){return this._id;},isPlaying:function isPlaying(){return this._isPlaying;},to:function to(properties,duration){this._valuesEnd=properties;if(duration!==undefined){this._duration=duration;}
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return this;},start:function start(time){this._group.add(this);this._isPlaying=true;this.isPlaying=true;this._onStartCallbackFired=false;this._startTime=time!==undefined?typeof time==='string'?TWEEN.now()+parseFloat(time):time:TWEEN.now();this._startTime+=this._delayTime;for(var property in this._valuesEnd){if(this._valuesEnd[property]instanceof Array){if(this._valuesEnd[property].length===0){continue;}
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this._valuesEnd[property]=[this._object[property]].concat(this._valuesEnd[property]);}
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if(this._object[property]===undefined){continue;}
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this._valuesStart[property]=this._object[property];if((this._valuesStart[property]instanceof Array)===false){this._valuesStart[property]*=1.0;}
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this._valuesStartRepeat[property]=this._valuesStart[property]||0;}
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return this;},stop:function stop(){if(!this._isPlaying){return this;}
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this._group.remove(this);this._isPlaying=false;this.isPlaying=false;if(this._onStopCallback!==null){this._onStopCallback(this._object);}
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this.stopChainedTweens();return this;},end:function end(){this.update(this._startTime+this._duration);return this;},stopChainedTweens:function stopChainedTweens(){for(var i=0,numChainedTweens=this._chainedTweens.length;i<numChainedTweens;i++){this._chainedTweens[i].stop();}},group:function group(group){this._group=group;return this;},delay:function delay(amount){this._delayTime=amount;return this;},repeat:function repeat(times){this._repeat=times;return this;},repeatDelay:function repeatDelay(amount){this._repeatDelayTime=amount;return this;},yoyo:function yoyo(yy){this._yoyo=yy;return this;},easing:function easing(eas){this._easingFunction=eas;return this;},interpolation:function interpolation(inter){this._interpolationFunction=inter;return this;},chain:function chain(){this._chainedTweens=arguments;return this;},onStart:function onStart(callback){this._onStartCallback=callback;return this;},onUpdate:function onUpdate(callback){this._onUpdateCallback=callback;return this;},onComplete:function onComplete(callback,scope){this._onCompleteCallback=callback;this._onCompleteCallbackScope=scope;return this;},onStop:function onStop(callback){this._onStopCallback=callback;return this;},update:function update(time){var property;var elapsed;var value;if(time<this._startTime){return true;}
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if(this._onStartCallbackFired===false){if(this._onStartCallback!==null){this._onStartCallback(this._object);}
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this._onStartCallbackFired=true;}
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elapsed=(time-this._startTime)/this._duration;elapsed=(this._duration===0||elapsed>1)?1:elapsed;value=this._easingFunction(elapsed);for(property in this._valuesEnd){if(this._valuesStart[property]===undefined){continue;}
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var start=this._valuesStart[property]||0;var end=this._valuesEnd[property];if(end instanceof Array){this._object[property]=this._interpolationFunction(end,value);}else{if(typeof(end)==='string'){if(end.charAt(0)==='+'||end.charAt(0)==='-'){end=start+parseFloat(end);}else{end=parseFloat(end);}}
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if(typeof(end)==='number'){this._object[property]=start+(end-start)*value;}}}
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if(this._onUpdateCallback!==null){this._onUpdateCallback(this._object);}
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if(elapsed===1){if(this._repeat>0){if(isFinite(this._repeat)){this._repeat--;}
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for(property in this._valuesStartRepeat){if(typeof(this._valuesEnd[property])==='string'){this._valuesStartRepeat[property]=this._valuesStartRepeat[property]+parseFloat(this._valuesEnd[property]);}
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if(this._yoyo){var tmp=this._valuesStartRepeat[property];this._valuesStartRepeat[property]=this._valuesEnd[property];this._valuesEnd[property]=tmp;}
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this._valuesStart[property]=this._valuesStartRepeat[property];}
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if(this._yoyo){this._reversed=!this._reversed;}
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if(this._repeatDelayTime!==undefined){this._startTime=time+this._repeatDelayTime;}else{this._startTime=time+this._delayTime;}
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return true;}else{this.isPlaying=false;if(this._onCompleteCallback!==null){if(this._onCompleteCallbackScope!=null){this._onCompleteCallback.call(this._onCompleteCallbackScope);}else{this._onCompleteCallback(this._object);}}
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for(var i=0,numChainedTweens=this._chainedTweens.length;i<numChainedTweens;i++){this._chainedTweens[i].start(this._startTime+this._duration);}
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return false;}}
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return true;}};TWEEN.Easing={Linear:{None:function(k){return k;}},Quadratic:{In:function(k){return k*k;},Out:function(k){return k*(2-k);},InOut:function(k){if((k*=2)<1){return 0.5*k*k;}
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return-0.5*(--k*(k-2)-1);}},Cubic:{In:function(k){return k*k*k;},Out:function(k){return--k*k*k+1;},InOut:function(k){if((k*=2)<1){return 0.5*k*k*k;}
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return 0.5*((k-=2)*k*k+2);}},Quartic:{In:function(k){return k*k*k*k;},Out:function(k){return 1-(--k*k*k*k);},InOut:function(k){if((k*=2)<1){return 0.5*k*k*k*k;}
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return-0.5*((k-=2)*k*k*k-2);}},Quintic:{In:function(k){return k*k*k*k*k;},Out:function(k){return--k*k*k*k*k+1;},InOut:function(k){if((k*=2)<1){return 0.5*k*k*k*k*k;}
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return 0.5*((k-=2)*k*k*k*k+2);}},Sinusoidal:{In:function(k){return 1-Math.cos(k*Math.PI/2);},Out:function(k){return Math.sin(k*Math.PI/2);},InOut:function(k){return 0.5*(1-Math.cos(Math.PI*k));}},Exponential:{In:function(k){return k===0?0:Math.pow(1024,k-1);},Out:function(k){return k===1?1:1-Math.pow(2,-10*k);},InOut:function(k){if(k===0){return 0;}
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if(k===1){return 1;}
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if((k*=2)<1){return 0.5*Math.pow(1024,k-1);}
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return 0.5*(-Math.pow(2,-10*(k-1))+2);}},Circular:{In:function(k){return 1-Math.sqrt(1-k*k);},Out:function(k){return Math.sqrt(1-(--k*k));},InOut:function(k){if((k*=2)<1){return-0.5*(Math.sqrt(1-k*k)-1);}
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return 0.5*(Math.sqrt(1-(k-=2)*k)+1);}},Elastic:{In:function(k){if(k===0){return 0;}
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if(k===1){return 1;}
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return-Math.pow(2,10*(k-1))*Math.sin((k-1.1)*5*Math.PI);},Out:function(k){if(k===0){return 0;}
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if(k===1){return 1;}
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return Math.pow(2,-10*k)*Math.sin((k-0.1)*5*Math.PI)+1;},InOut:function(k){if(k===0){return 0;}
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if(k===1){return 1;}
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k*=2;if(k<1){return-0.5*Math.pow(2,10*(k-1))*Math.sin((k-1.1)*5*Math.PI);}
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return 0.5*Math.pow(2,-10*(k-1))*Math.sin((k-1.1)*5*Math.PI)+1;}},Back:{In:function(k){var s=1.70158;return k*k*((s+1)*k-s);},Out:function(k){var s=1.70158;return--k*k*((s+1)*k+s)+1;},InOut:function(k){var s=1.70158*1.525;if((k*=2)<1){return 0.5*(k*k*((s+1)*k-s));}
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return 0.5*((k-=2)*k*((s+1)*k+s)+2);}},Bounce:{In:function(k){return 1-TWEEN.Easing.Bounce.Out(1-k);},Out:function(k){if(k<(1/2.75)){return 7.5625*k*k;}else if(k<(2/2.75)){return 7.5625*(k-=(1.5/2.75))*k+0.75;}else if(k<(2.5/2.75)){return 7.5625*(k-=(2.25/2.75))*k+0.9375;}else{return 7.5625*(k-=(2.625/2.75))*k+0.984375;}},InOut:function(k){if(k<0.5){return TWEEN.Easing.Bounce.In(k*2)*0.5;}
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return TWEEN.Easing.Bounce.Out(k*2-1)*0.5+0.5;}}};TWEEN.Interpolation={Linear:function(v,k){var m=v.length-1;var f=m*k;var i=Math.floor(f);var fn=TWEEN.Interpolation.Utils.Linear;if(k<0){return fn(v[0],v[1],f);}
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if(k>1){return fn(v[m],v[m-1],m-f);}
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return fn(v[i],v[i+1>m?m:i+1],f-i);},Bezier:function(v,k){var b=0;var n=v.length-1;var pw=Math.pow;var bn=TWEEN.Interpolation.Utils.Bernstein;for(var i=0;i<=n;i++){b+=pw(1-k,n-i)*pw(k,i)*v[i]*bn(n,i);}
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return b;},CatmullRom:function(v,k){var m=v.length-1;var f=m*k;var i=Math.floor(f);var fn=TWEEN.Interpolation.Utils.CatmullRom;if(v[0]===v[m]){if(k<0){i=Math.floor(f=m*(1+k));}
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return fn(v[(i-1+m)%m],v[i],v[(i+1)%m],v[(i+2)%m],f-i);}else{if(k<0){return v[0]-(fn(v[0],v[0],v[1],v[1],-f)-v[0]);}
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if(k>1){return v[m]-(fn(v[m],v[m],v[m-1],v[m-1],f-m)-v[m]);}
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return fn(v[i?i-1:0],v[i],v[m<i+1?m:i+1],v[m<i+2?m:i+2],f-i);}},Utils:{Linear:function(p0,p1,t){return(p1-p0)*t+p0;},Bernstein:function(n,i){var fc=TWEEN.Interpolation.Utils.Factorial;return fc(n)/fc(i)/fc(n-i);},Factorial:(function(){var a=[1];return function(n){var s=1;if(a[n]){return a[n];}
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for(var i=n;i>1;i--){s*=i;}
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a[n]=s;return s;};})(),CatmullRom:function(p0,p1,p2,p3,t){var v0=(p2-p0)*0.5;var v1=(p3-p1)*0.5;var t2=t*t;var t3=t*t2;return(2*p1-2*p2+v0+v1)*t3+(-3*p1+3*p2-2*v0-v1)*t2+v0*t+p1;}}};(function(root){if(typeof define==='function'&&define.amd){define([],function(){return TWEEN;});}else if(typeof module!=='undefined'&&typeof exports==='object'){module.exports=TWEEN;}else if(root!==undefined){root.TWEEN=TWEEN;}})(this); |