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1 line
8.6 KiB
JavaScript
1 line
8.6 KiB
JavaScript
2 years ago
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var VanillaTilt=function(){"use strict";class t{constructor(e,i={}){if(!(e instanceof Node))throw"Can't initialize VanillaTilt because "+e+" is not a Node.";this.width=null,this.height=null,this.clientWidth=null,this.clientHeight=null,this.left=null,this.top=null,this.gammazero=null,this.betazero=null,this.lastgammazero=null,this.lastbetazero=null,this.transitionTimeout=null,this.updateCall=null,this.event=null,this.updateBind=this.update.bind(this),this.resetBind=this.reset.bind(this),this.element=e,this.settings=this.extendSettings(i),this.reverse=this.settings.reverse?-1:1,this.resetToStart=t.isSettingTrue(this.settings["reset-to-start"]),this.glare=t.isSettingTrue(this.settings.glare),this.glarePrerender=t.isSettingTrue(this.settings["glare-prerender"]),this.fullPageListening=t.isSettingTrue(this.settings["full-page-listening"]),this.gyroscope=t.isSettingTrue(this.settings.gyroscope),this.gyroscopeSamples=this.settings.gyroscopeSamples,this.elementListener=this.getElementListener(),this.glare&&this.prepareGlare(),this.fullPageListening&&this.updateClientSize(),this.addEventListeners(),this.reset(),!1===this.resetToStart&&(this.settings.startX=0,this.settings.startY=0)}static isSettingTrue(t){return""===t||!0===t||1===t}getElementListener(){if(this.fullPageListening)return window.document;if("string"==typeof this.settings["mouse-event-element"]){const t=document.querySelector(this.settings["mouse-event-element"]);if(t)return t}return this.settings["mouse-event-element"]instanceof Node?this.settings["mouse-event-element"]:this.element}addEventListeners(){this.onMouseEnterBind=this.onMouseEnter.bind(this),this.onMouseMoveBind=this.onMouseMove.bind(this),this.onMouseLeaveBind=this.onMouseLeave.bind(this),this.onWindowResizeBind=this.onWindowResize.bind(this),this.onDeviceOrientationBind=this.onDeviceOrientation.bind(this),this.elementListener.addEventListener("mouseenter",this.onMouseEnterBind),this.elementListener.addEventListener("mouseleave",this.onMouseLeaveBind),this.elementListener.addEventListener("mousemove",this.onMouseMoveBind),(this.glare||this.fullPageListening)&&window.addEventListener("resize",this.onWindowResizeBind),this.gyroscope&&window.addEventListener("deviceorientation",this.onDeviceOrientationBind)}removeEventListeners(){this.elementListener.removeEventListener("mouseenter",this.onMouseEnterBind),this.elementListener.removeEventListener("mouseleave",this.onMouseLeaveBind),this.elementListener.removeEventListener("mousemove",this.onMouseMoveBind),this.gyroscope&&window.removeEventListener("deviceorientation",this.onDeviceOrientationBind),(this.glare||this.fullPageListening)&&window.removeEventListener("resize",this.onWindowResizeBind)}destroy(){clearTimeout(this.transitionTimeout),null!==this.updateCall&&cancelAnimationFrame(this.updateCall),this.reset(),this.removeEventListeners(),this.element.vanillaTilt=null,delete this.element.vanillaTilt,this.element=null}onDeviceOrientation(t){if(null===t.gamma||null===t.beta)return;this.updateElementPosition(),this.gyroscopeSamples>0&&(this.lastgammazero=this.gammazero,this.lastbetazero=this.betazero,null===this.gammazero?(this.gammazero=t.gamma,this.betazero=t.beta):(this.gammazero=(t.gamma+this.lastgammazero)/2,this.betazero=(t.beta+this.lastbetazero)/2),this.gyroscopeSamples-=1);const e=this.settings.gyroscopeMaxAngleX-this.settings.gyroscopeMinAngleX,i=this.settings.gyroscopeMaxAngleY-this.settings.gyroscopeMinAngleY,s=e/this.width,n=i/this.height,l=(t.gamma-(this.settings.gyroscopeMinAngleX+this.gammazero))/s,a=(t.beta-(this.settings.gyroscopeMinAngleY+this.betazero))/n;null!==this.updateCall&&cancelAnimationFrame(this.updateCall),this.event={clientX:l+this.left,clientY:a+this.top},this.updateCall=requestAnimationFrame(this.updateBind)}onMouseEnter(){this.updateElementPosition(),this.element.style.willChange="transform",this.setTransition()}onMouseMove(t){null!==this.updateCall&&cancelAnimationFrame(this.updateCall),this.event=t,this.updateCall=requestAnimationFrame(this.updateBind)}onMouseLeave(){this.setTransition(),this.settings.reset&&requestAnimatio
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