mirror of
https://github.com/Jermolene/TiddlyWiki5
synced 2024-12-01 05:49:55 +00:00
07df513140
Testing against the output of cook.rb isn't satisfactory because of the bugs in it; instead we're now going to test against the tiddlywiki.com build products
47 lines
1.1 KiB
JavaScript
Executable File
47 lines
1.1 KiB
JavaScript
Executable File
//-
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//- Animation engine
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//-
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function Animator()
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{
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this.running = 0; // Incremented at start of each animation, decremented afterwards. If zero, the interval timer is disabled
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this.timerID = 0; // ID of the timer used for animating
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this.animations = []; // List of animations in progress
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return this;
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}
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// Start animation engine
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Animator.prototype.startAnimating = function() //# Variable number of arguments
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{
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var t;
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for(t=0; t<arguments.length; t++)
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this.animations.push(arguments[t]);
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if(this.running == 0) {
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var me = this;
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this.timerID = window.setInterval(function() {me.doAnimate(me);},10);
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}
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this.running += arguments.length;
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};
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// Perform an animation engine tick, calling each of the known animation modules
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Animator.prototype.doAnimate = function(me)
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{
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var a = 0;
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while(a < me.animations.length) {
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var animation = me.animations[a];
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if(animation.tick()) {
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a++;
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} else {
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me.animations.splice(a,1);
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if(--me.running == 0)
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window.clearInterval(me.timerID);
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}
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}
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};
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Animator.slowInSlowOut = function(progress)
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{
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return(1-((Math.cos(progress * Math.PI)+1)/2));
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};
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