!function(t,e){"object"==typeof exports&&"undefined"!=typeof module?e(exports,require("pixi.js")):"function"==typeof define&&define.amd?define(["exports","pixi.js"],e):e((t=t||self).Viewport={},t.PIXI)}(this,function(t,e){"use strict";class i{constructor(t){this.viewport=t,this.touches=[],this.addListeners()}addListeners(){this.viewport.interactive=!0,this.viewport.forceHitArea||(this.viewport.hitArea=new e.Rectangle(0,0,this.viewport.worldWidth,this.viewport.worldHeight)),this.viewport.on("pointerdown",this.down,this),this.viewport.on("pointermove",this.move,this),this.viewport.on("pointerup",this.up,this),this.viewport.on("pointerupoutside",this.up,this),this.viewport.on("pointercancel",this.up,this),this.viewport.on("pointerout",this.up,this),this.wheelFunction=t=>this.handleWheel(t),this.viewport.options.divWheel.addEventListener("wheel",this.wheelFunction,{passive:this.viewport.options.passiveWheel}),this.isMouseDown=!1}destroy(){this.viewport.options.divWheel.removeEventListener("wheel",this.wheelFunction)}down(t){if(this.viewport.pause||!this.viewport.worldVisible)return;if("mouse"===t.data.pointerType?this.isMouseDown=!0:this.get(t.data.pointerId)||this.touches.push({id:t.data.pointerId,last:null}),1===this.count()){this.last=t.data.global.clone();const e=this.viewport.plugins.get("decelerate"),i=this.viewport.plugins.get("bounce");e&&e.isActive()||i&&i.isActive()?this.clickedAvailable=!1:this.clickedAvailable=!0}else this.clickedAvailable=!1;this.viewport.plugins.down(t)&&this.viewport.options.stopPropagation&&t.stopPropagation()}checkThreshold(t){return Math.abs(t)>=this.viewport.threshold}move(t){if(this.viewport.pause||!this.viewport.worldVisible)return;const e=this.viewport.plugins.move(t);if(this.clickedAvailable){const e=t.data.global.x-this.last.x,i=t.data.global.y-this.last.y;(this.checkThreshold(e)||this.checkThreshold(i))&&(this.clickedAvailable=!1)}e&&this.viewport.options.stopPropagation&&t.stopPropagation()}up(t){if(this.viewport.pause||!this.viewport.worldVisible)return;"mouse"===t.data.pointerType&&(this.isMouseDown=!1),"mouse"!==t.data.pointerType&&this.remove(t.data.pointerId);const e=this.viewport.plugins.up(t);this.clickedAvailable&&0===this.count()&&(this.viewport.emit("clicked",{screen:this.last,world:this.viewport.toWorld(this.last),viewport:this}),this.clickedAvailable=!1),e&&this.viewport.options.stopPropagation&&t.stopPropagation()}getPointerPosition(t){let i=new e.Point;return this.viewport.options.interaction?this.viewport.options.interaction.mapPositionToPoint(i,t.clientX,t.clientY):(i.x=t.clientX,i.y=t.clientY),i}handleWheel(t){if(this.viewport.pause||!this.viewport.worldVisible)return;const e=this.viewport.toLocal(this.getPointerPosition(t));return this.viewport.left<=e.x&&e.x<=this.viewport.right&&this.viewport.top<=e.y&&e.y<=this.viewport.bottom?this.viewport.plugins.wheel(t):void 0}pause(){this.touches=[],this.isMouseDown=!1}get(t){for(let e of this.touches)if(e.id===t)return e;return null}remove(t){for(let e=0;e<this.touches.length;e++)if(this.touches[e].id===t)return void this.touches.splice(e,1)}count(){return(this.isMouseDown?1:0)+this.touches.length}}const s=["drag","pinch","wheel","follow","mouse-edges","decelerate","bounce","snap-zoom","clamp-zoom","snap","clamp"];class n{constructor(t){this.viewport=t,this.list=[],this.plugins={}}add(t,e,i=s.length){this.plugins[t]=e;const n=s.indexOf(t);-1!==n&&s.splice(n,1),s.splice(i,0,t),this.sort()}get(t){return this.plugins[t]}update(t){for(let e of this.list)e.update(t)}resize(){for(let t of this.list)t.resize()}reset(){this.plugins.bounce&&(this.plugins.bounce.reset(),this.plugins.bounce.bounce()),this.plugins.decelerate&&this.plugins.decelerate.reset(),this.plugins.snap&&this.plugins.snap.reset(),this.plugins.clamp&&this.plugins.clamp.update(),this.plugins["clamp-zoom"]&&this.plugins["clamp-zoom"].clamp()}remove(t){this.plugins[t]&&(this.plugins[t]=null,this.viewport.emit(t+"-remove"),this.sort())}pause(t){this.plugins[t]&&this.plugins[t].pause()}resume(t){this.plugins[t]&&this.plugins[t].resume()}sort(){this.list=[];for(let t of s)this.plugins[t]&&this.list.push(this.plugins[t])}down(t){let e=!1;for(let i of this.list)i.down(t)&&(e=!0);return e}move(t){let e=!1;for(let i of this.viewport.plugins.list)i.move(t)&&(e=!0);return e}up(t){let e=!1;for(let i of this.list)i.up(t)&&(e=!0);return e}wheel(t){let e=!1;for(let i of this.list)i.wheel(t)&&(e=!0);return e}}class h{constructor(t){this.parent=t,this.paused=!1}destroy(){}down(){return!1}move(){return!1}up(){return!1}wheel(){return!1}update(){}resize(){}reset(){}pause(){this.paused=!0}resume(){this.paused=!1}}const o={direction:"all",wheel:!0,wheelScroll:1,reverse:!1,clampWheel:!1,underflow:"center",factor:1,mouseButtons:"all"};class r extends h{constructor(t,e={}){super(t),this.options=Object.assign({},o,e),this.moved=!1,this.reverse=this.options.reverse?1:-1,this.xDirection=!this.options.direction||"all"===this.options.direction||"x"===this.options.direction,this.yDirection=!this.options.direction||"all"===this.options.direction||"y"===this.options.direction,this.parseUnderflow(),this.mouseButtons(this.options.mouseButtons)}mouseButtons(t){this.mouse=t&&"all"!==t?[-1!==t.indexOf("left"),-1!==t.indexOf("middle"),-1!==t.indexOf("right")]:[!0,!0,!0]}parseUnderflow(){const t=this.options.underflow.toLowerCase();"center"===t?(this.underflowX=0,this.underflowY=0):(this.underflowX=-1!==t.indexOf("left")?-1:-1!==t.indexOf("right")?1:0,this.underflowY=-1!==t.indexOf("top")?-1:-1!==t.indexOf("bottom")?1:0)}checkButtons(t){const e="mouse"===t.data.pointerType,i=this.parent.input.count();return!(!(1===i||i>1&&!this.parent.plugins.get("pinch"))||e&&!this.mouse[t.data.button])}down(t){if(!this.paused)return this.checkButtons(t)?(this.last={x:t.data.global.x,y:t.data.global.y},this.current=t.data.pointerId,!0):void(this.last=null)}get active(){return this.moved}move(t){if(!this.paused&&this.last&&this.current===t.data.pointerId){const i=t.data.global.x,s=t.data.global.y,n=this.parent.input.count();if(1===n||n>1&&!this.parent.plugins.get("pinch")){const t=i-this.last.x,n=s-this.last.y;if(this.moved||this.xDirection&&this.parent.input.checkThreshold(t)||this.yDirection&&this.parent.input.checkThreshold(n)){const t={x:i,y:s};return this.xDirection&&(this.parent.x+=(t.x-this.last.x)*this.options.factor),this.yDirection&&(this.parent.y+=(t.y-this.last.y)*this.options.factor),this.last=t,this.moved||this.parent.emit("drag-start",{screen:new e.Point(this.last.x,this.last.y),world:this.parent.toWorld(new e.Point(this.last.x,this.last.y)),viewport:this.parent}),this.moved=!0,this.parent.emit("moved",{viewport:this.parent,type:"drag"}),!0}}else this.moved=!1}}up(){const t=this.parent.input.touches;if(1===t.length){const e=t[0];return e.last&&(this.last={x:e.last.x,y:e.last.y},this.current=e.id),this.moved=!1,!0}if(this.last&&this.moved){const t=new e.Point(this.last.x,this.last.y);return this.parent.emit("drag-end",{screen:t,world:this.parent.toWorld(t),viewport:this.parent}),this.last=null,this.moved=!1,!0}}wheel(t){if(!this.paused&&this.options.wheel){if(!this.parent.plugins.get("wheel"))return this.xDirection&&(this.parent.x+=t.deltaX*this.options.wheelScroll*this.reverse),this.yDirection&&(this.parent.y+=t.deltaY*this.options.wheelScroll*this.reverse),this.options.clampWheel&&this.clamp(),this.parent.emit("wheel-scroll",this.parent),this.parent.emit("moved",this.parent),this.parent.options.passiveWheel||t.preventDefault(),!0}}resume(){this.last=null,this.paused=!1}clamp(){const t=this.parent.plugins.get("decelerate")||{};if("y"!==this.options.clampWheel)if(this.parent.screenWorldWidth<this.parent.screenWidth)switch(this.underflowX){case-1:this.parent.x=0;break;case 1:this.parent.x=this.parent.screenWidth-this.parent.screenWorldWidth;break;default:this.parent.x=(this.parent.screenWidth-this.parent.screenWorldWidth)/2}else this.parent.left<0?(this.parent.x=0,t.x=0):this.parent.right>this.parent.worldWidth&&(this.parent.x=-this.parent.worldWidth*this.parent.scale.x+this.parent.screenWidth,t.x=0);if("x"!==this.options.clampWheel)if(this.parent.screenWorldHeight<this.parent.screenHeight)switch(this.underflowY){case-1:this.parent.y=0;break;case 1:this.parent.y=this.parent.screenHeight-this.parent.screenWorldHeight;break;default:this.parent.y=(this.parent.screenHeight-this.parent.screenWorldHeight)/2}else this.parent.top<0&&(this.parent.y=0,t.y=0),this.parent.bottom>this.parent.worldHeight&&(this.parent.y=-this.parent.worldHeight*this.parent.scale.y+this.parent.screenHeight,t.y=0)}}const a={noDrag:!1,percent:1,center:null};class p extends h{constructor(t,e={}){super(t),this.options=Object.assign({},a,e)}down(){if(this.parent.input.count()>=2)return this.active=!0,!0}move(t){if(this.paused||!this.active)return;const e=t.data.global.x,i=t.data.global.y,s=this.parent.input.touches;if(s.length>=2){const n=s[0],h=s[1],o=n.last&&h.last?Math.sqrt(Math.pow(h.last.x-n.last.x,2)+Math.pow(h.last.y-n.last.y,2)):null;if(n.id===t.data.pointerId?n.last={x:e,y:i,data:t.data}:h.id===t.data.pointerId&&(h.last={x:e,y:i,data:t.data}),o){let t;const e={x:n.last.x+(h.last.x-n.last.x)/2,y:n.last.y+(h.last.y-n.last.y)/2};this.options.center||(t=this.parent.toLocal(e));const i=(Math.sqrt(Math.pow(h.last.x-n.last.x,2)+Math.pow(h.last.y-n.last.y,2))-o)/this.parent.screenWidth*this.parent.scale.x*this.options.percent;this.parent.scale.x+=i,this.parent.scale.y+=i,this.parent.emit("zoomed",{viewport:this.parent,type:"pinch"});const s=this.parent.plugins.get("clamp-zoom");if(s&&s.clamp(),this.options.center)this.parent.moveCenter(this.options.center);else{const i=this.parent.toGlobal(t);this.parent.x+=e.x-i.x,this.parent.y+=e.y-i.y,this.parent.emit("moved",{viewport:this.parent,type:"pinch"})}!this.options.noDrag&&this.lastCenter&&(this.parent.x+=e.x-this.lastCenter.x,this.parent.y+=e.y-this.lastCenter.y,this.parent.emit("moved",{viewport:this.parent,type:"pinch"})),this.lastCenter=e,this.moved=!0}else this.pinching||(this.parent.emit("pinch-start",this.parent),this.pinching=!0);return!0}}up(){if(this.pinching&&this.parent.input.touches.length<=1)return this.active=!1,this.lastCenter=null,this.pinching=!1,this.moved=!1,this.parent.emit("pinch-end",this.parent),!0}}const l={left:!1,right:!1,top:!1,bottom:!1,direction:null,underflow:"center"};class c extends h{constructor(t,e={}){super(t),this.options=Object.assign({},l,e),this.options.direction&&(this.options.left="x"===this.options.direction||"all"===this.options.direction||null,this.options.right="x"===this.options.direction||"all"===this.options.direction||null,this.options.top="y"===this.options.direction||"all"===this.options.direction||null,this.options.bottom="y"===this.options.direction||"all"===this.options.direction||null),this.parseUnderflow(),this.update()}parseUnderflow(){const t=this.options.underflow.toLowerCase();"none"===t?this.noUnderflow=!0:"center"===t?(this.underflowX=this.underflowY=0,this.noUnderflow=!1):(this.underflowX=-1!==t.indexOf("left")?-1:-1!==t.indexOf("right")?1:0,this.underflowY=-1!==t.indexOf("top")?-1:-1!==t.indexOf("bottom")?1:0,this.noUnderflow=!1)}move(){return this.update(),!1}update(){if(this.paused)return;const t={x:this.parent.x,y:this.parent.y},e=this.parent.plugins.decelerate||{};if(null!==this.options.left||null!==this.options.right){let i=!1;if(this.parent.screenWorldWidth<this.parent.screenWidth){if(!this.noUnderflow)switch(this.underflowX){case-1:0!==this.parent.x&&(this.parent.x=0,i=!0);break;case 1:this.parent.x!==this.parent.screenWidth-this.parent.screenWorldWidth&&(this.parent.x=this.parent.screenWidth-this.parent.screenWorldWidth,i=!0);break;default:this.parent.x!==(this.parent.screenWidth-this.parent.screenWorldWidth)/2&&(this.parent.x=(this.parent.screenWidth-this.parent.screenWorldWidth)/2,i=!0)}}else null!==this.options.left&&this.parent.left<(!0===this.options.left?0:this.options.left)&&(this.parent.x=-(!0===this.options.left?0:this.options.left)*this.parent.scale.x,e.x=0,i=!0),null!==this.options.right&&this.parent.right>(!0===this.options.right?this.parent.worldWidth:this.options.right)&&(this.parent.x=-(!0===this.options.right?this.parent.worldWidth:this.options.right)*this.parent.scale.x+this.parent.screenWidth,e.x=0,i=!0);i&&this.parent.emit("moved",{viewport:this.parent,original:t,type:"clamp-x"})}if(null!==this.options.top||null!==this.options.bottom){let i=!1;if(this.parent.screenWorldHeight<this.parent.screenHeight){if(!this.noUnderflow)switch(this.underflowY){case-1:0!==this.parent.y&&(this.parent.y=0,i=!0);break;case 1:this.parent.y!==this.parent.screenHeight-this.parent.screenWorldHeight&&(this.parent.y=this.parent.screenHeight-this.parent.screenWorldHeight,i=!0);break;default:this.parent.y!==(this.parent.screenHeight-this.parent.screenWorldHeight)/2&&(this.parent.y=(this.parent.screenHeight-this.parent.screenWorldHeight)/2,i=!0)}}else null!==this.options.top&&this.parent.top<(!0===this.options.top?0:this.options.top)&&(this.parent.y=-(!0===this.options.top?0:this.options.top)*this.parent.scale.y,e.y=0,i=!0),null!==this.options.bottom&&this.parent.bottom>(!0===this.options.bottom?this.parent.worldHeight:this.options.bottom)&&(this.parent.y=-(!0===this.options.bottom?this.parent.worldHeight:this.options.bottom)*this.parent.scale.y+this.parent.screenHeight,e.y=0,i=!0);i&&this.parent.emit("moved",{viewport:this.parent,original:t,type:"clamp-y"})}}}const d={minWidth:null,minHeight:null,maxWidth:null,maxHeight:null};class u extends h{constructor(t,e={}){super(t),this.options=Object.assign({},d,e),this.clamp()}resize(){this.clamp()}clamp(){if(this.paused)return;let t=this.parent.worldScreenWidth,e=this.parent.worldScreenHeight;if(null!==this.options.minWidth&&t<this.options.minWidth){const i=this.parent.scale.x;this.parent.fitWidth(this.options.minWidth,!1,!1,!0),this.parent.scale.y*=this.parent.scale.x/i,t=this.parent.worldScreenWidth,e=this.parent.worldScreenHeight,this.parent.emit("zoomed",{viewport:this.parent,type:"clamp-zoom"})}if(null!==this.options.maxWidth&&t>this.options.maxWidth){const i=this.parent.scale.x;this.parent.fitWidth(this.options.maxWidth,!1,!1,!0),this.parent.scale.y*=this.parent.scale.x/i,t=this.parent.worldScreenWidth,e=this.parent.worldScreenHeight,this.parent.emit("zoomed",{viewport:this.parent,type:"clamp-zoom"})}if(null!==this.options.minHeight&&e<this.options.minHeight){const i=this.parent.scale.y;this.parent.fitHeight(this.options.minHeight,!1,!1,!0),this.parent.scale.x*=this.parent.scale.y/i,t=this.parent.worldScreenWidth,e=this.parent.worldScreenHeight,this.parent.emit("zoomed",{viewport:this.parent,type:"clamp-zoom"})}if(null!==this.options.maxHeight&&e>this.options.maxHeight){const t=this.parent.scale.y;this.parent.fitHeight(this.options.maxHeight,!1,!1,!0),this.parent.scale.x*=this.parent.scale.y/t,this.parent.emit("zoomed",{viewport:this.parent,type:"clamp-zoom"})}}}const g={friction:.95,bounce:.8,minSpeed:.01};class m extends h{constructor(t,e={}){super(t),this.options=Object.assign({},g,e),this.saved=[],this.reset(),this.parent.on("moved",t=>this.moved(t))}destroy(){this.parent}down(){this.saved=[],this.x=this.y=!1}isActive(){return this.x||this.y}move(){if(this.paused)return;const t=this.parent.input.count();(1===t||t>1&&!this.parent.plugins.get("pinch"))&&(this.saved.push({x:this.parent.x,y:this.parent.y,time:performance.now()}),this.saved.length>60&&this.saved.splice(0,30))}moved(t){if(this.saved.length){const e=this.saved[this.saved.length-1];"clamp-x"===t.type?e.x===t.original.x&&(e.x=this.parent.x):"clamp-y"===t.type&&e.y===t.original.y&&(e.y=this.parent.y)}}up(){if(0===this.parent.input.count()&&this.saved.length){const t=performance.now();for(let e of this.saved)if(e.time>=t-100){const i=t-e.time;this.x=(this.parent.x-e.x)/i,this.y=(this.parent.y-e.y)/i,this.percentChangeX=this.percentChangeY=this.options.friction;break}}}activate(t){void 0!==(t=t||{}).x&&(this.x=t.x,this.percentChangeX=this.options.friction),void 0!==t.y&&(this.y=t.y,this.percentChangeY=this.options.friction)}update(t){if(this.paused)return;let e;this.x&&(this.parent.x+=this.x*t,this.x*=this.percentChangeX,Math.abs(this.x)<this.options.minSpeed&&(this.x=0),e=!0),this.y&&(this.parent.y+=this.y*t,this.y*=this.percentChangeY,Math.abs(this.y)<this.options.minSpeed&&(this.y=0),e=!0),e&&this.parent.emit("moved",{viewport:this.parent,type:"decelerate"})}reset(){this.x=this.y=null}}var w="undefined"!=typeof globalThis?globalThis:"undefined"!=typeof window?window:"undefined"!=typeof global?global:"undefined"!=typeof self?self:{};var f=function(t,e){return t(e={exports:{}},e.exports),e.exports}(function(t,e){(function(){var e;(function(e){t.exports=e})(e={linear:function(t,e,i,s){return i*t/s+e},easeInQuad:function(t,e,i,s){return i*(t/=s)*t+e},easeOutQuad:function(t,e,i,s){return-i*(t/=s)*(t-2)+e},easeInOutQuad:function(t,e,i,s){return(t/=s/2)<1?i/2*t*t+e:-i/2*(--t*(t-2)-1)+e},easeInCubic:function(t,e,i,s){return i*(t/=s)*t*t+e},easeOutCubic:function(t,e,i,s){return i*((t=t/s-1)*t*t+1)+e},easeInOutCubic:function(t,e,i,s){return(t/=s/2)<1?i/2*t*t*t+e:i/2*((t-=2)*t*t+2)+e},easeInQuart:function(t,e,i,s){return i*(t/=s)*t*t*t+e},easeOutQuart:function(t,e,i,s){return-i*((t=t/s-1)*t*t*t-1)+e},easeInOutQuart:function(t,e,i,s){return(t/=s/2)<1?i/2*t*t*t*t+e:-i/2*((t-=2)*t*t*t-2)+e},easeInQuint:function(t,e,i,s){return i*(t/=s)*t*t*t*t+e},easeOutQuint:function(t,e,i,s){return i*((t=t/s-1)*t*t*t*t+1)+e},easeInOutQuint:function(t,e,i,s){return(t/=s/2)<1?i/2*t*t*t*t*t+e:i/2*((t-=2)*t*t*t*t+2)+e},easeInSine:function(t,e,i,s){return-i*Math.cos(t/s*(Math.PI/2))+i+e},easeOutSine:function(t,e,i,s){return i*Math.sin(t/s*(Math.PI/2))+e},easeInOutSine:function(t,e,i,s){return-i/2*(Math.cos(Math.PI*t/s)-1)+e},easeInExpo:function(t,e,i,s){return 0===t?e:i*Math.pow(2,10*(t/s-1))+e},easeOutExpo:function(t,e,i,s){return t===s?e+i:i*(1-Math.pow(2,-10*t/s))+e},easeInOutExpo:function(t,e,i,s){return(t/=s/2)<1?i/2*Math.pow(2,10*(t-1))+e:i/2*(2-Math.pow(2,-10*--t))+e},easeInCirc:function(t,e,i,s){return-i*(Math.sqrt(1-(t/=s)*t)-1)+e},easeOutCirc:function(t,e,i,s){return i*Math.sqrt(1-(t=t/s-1)*t)+e},easeInOutCirc:function(t,e,i,s){return(t/=s/2)<1?-i/2*(Math.sqrt(1-t*t)-1)+e:i/2*(Math.sqrt(1-(t-=2)*t)+1)+e},easeInElastic:function(t,e,i,s){var n,h,o;return o=1.70158,0===t||(t/=s),(h=0)||(h=.3*s),(n=i)<Math.abs(i)?(n=i,o=h/4):o=h/(2*Math.PI)*Math.asin(i/n),-n*Math.pow(2,10*(t-=1))*Math.sin((t*s-o)*(2*Math.PI)/h)+e},easeOutElastic:function(t,e,i,s){var n,h,o;return o=1.70158,0===t||(t/=s),(h=0)||(h=.3*s),(n=i)<Math.abs(i)?(n=i,o=h/4):o=h/(2*Math.PI)*Math.asin(i/n),n*Math.pow(2,-10*t)*Math.sin((t*s-o)*(2*Math.PI)/h)+i+e},easeInOutElastic:function(t,e,i,s){var n,h,o;return o=1.70158,0===t||(t/=s/2),(h=0)||(h=s*(.3*1.5)),(n=i)<Math.abs(i)?(n=i,o=h/4):o=h/(2*Math.PI)*Math.asin(i/n),t<1?n*Math.pow(2,10*(t-=1))*Math.sin((t*s-o)*(2*Math.PI)/h)*-.5+e:n*Math.pow(2,-10*(t-=1))*Math.sin((t*s-o)*(2*Math.PI)/h)*.5+i+e},easeInBack:function(t,e,i,s,n){return void 0===n&&(n=1.70158),i*(t/=s)*t*((n+1)*t-n)+e},easeOutBack:function(t,e,i,s,n){return void 0===n&&(n=1.70158),i*((t=t/s-1)*t*((n+1)*t+n)+1)+e},easeInOutBack:function(t,e,i,s,n){return void 0===n&&(n=1.70158),(t/=s/2)<1?i/2*(t*t*((1+(n*=1.525))*t-n))+e:i/2*((t-=2)*t*((1+(n*=1.525))*t+n)+2)+e},easeInBounce:function(t,i,s,n){return s-e.easeOutBounce(n-t,0,s,n)+i},easeOutBounce:function(t,e,i,s){return(t/=s)<1/2.75?i*(7.5625*t*t)+e:t<2/2.75?i*(7.5625*(t-=1.5/2.75)*t+.75)+e:t<2.5/2.75?i*(7.5625*(t-=2.25/2.75)*t+.9375)+e:i*(7.5625*(t-=2.625/2.75)*t+.984375)+e},easeInOutBounce:function(t,i,s,n){return t<n/2?.5*e.easeInBounce(2*t,0,s,n)+i:.5*e.easeOutBounce(2*t-n,0,s,n)+.5*s+i}})}).call(w)});function x(t,e){return t?"function"==typeof t?t:"string"==typeof t?f[t]:void 0:f[e]}const y={sides:"all",friction:.5,time:150,ease:"easeInOutSine",underflow:"center"};class v extends h{constructor(t,e={}){super(t),this.options=Object.assign({},y,e),this.ease=x(this.options.ease,"easeInOutSine"),this.options.sides&&("all"===this.options.sides?this.top=this.bottom=this.left=this.right=!0:"horizontal"===this.options.sides?this.right=this.left=!0:"vertical"===this.options.sides?this.top=this.bottom=!0:(this.top=-1!==this.options.sides.indexOf("top"),this.bottom=-1!==this.options.sides.indexOf("bottom"),this.left=-1!==this.options.sides.indexOf("left"),this.right=-1!==this.options.sides.indexOf("right"))),this.parseUnderflow(),this.last={},this.reset()}parseUnderflow(){const t=this.options.underflow.toLowerCase();"center"===t?(this.underflowX=0,this.underflowY=0):(this.underflowX=-1!==t.indexOf("left")?-1:-1!==t.indexOf("right")?1:0,this.underflowY=-1!==t.indexOf("top")?-1:-1!==t.indexOf("bottom")?1:0)}isActive(){return null!==this.toX||null!==this.toY}down(){this.toX=this.toY=null}up(){this.bounce()}update(t){if(!this.paused){if(this.bounce(),this.toX){const e=this.toX;e.time+=t,this.parent.emit("moved",{viewport:this.parent,type:"bounce-x"}),e.time>=this.options.time?(this.parent.x=e.end,this.toX=null,this.parent.emit("bounce-x-end",this.parent)):this.parent.x=this.ease(e.time,e.start,e.delta,this.options.time)}if(this.toY){const e=this.toY;e.time+=t,this.parent.emit("moved",{viewport:this.parent,type:"bounce-y"}),e.time>=this.options.time?(this.parent.y=e.end,this.toY=null,this.parent.emit("bounce-y-end",this.parent)):this.parent.y=this.ease(e.time,e.start,e.delta,this.options.time)}}}calcUnderflowX(){let t;switch(this.underflowX){case-1:t=0;break;case 1:t=this.parent.screenWidth-this.parent.screenWorldWidth;break;default:t=(this.parent.screenWidth-this.parent.screenWorldWidth)/2}return t}calcUnderflowY(){let t;switch(this.underflowY){case-1:t=0;break;case 1:t=this.parent.screenHeight-this.parent.screenWorldHeight;break;default:t=(this.parent.screenHeight-this.parent.screenWorldHeight)/2}return t}bounce(){if(this.paused)return;let t,e=this.parent.plugins.get("decelerate");e&&(e.x||e.y)&&(e.x&&e.percentChangeX===e.options.friction||e.y&&e.percentChangeY===e.options.friction)&&(((t=this.parent.OOB()).left&&this.left||t.right&&this.right)&&(e.percentChangeX=this.options.friction),(t.top&&this.top||t.bottom&&this.bottom)&&(e.percentChangeY=this.options.friction));const i=this.parent.plugins.get("drag")||{},s=this.parent.plugins.get("pinch")||{};if(e=e||{},!(i.active||s.active||this.toX&&this.toY||e.x&&e.y)){const i=(t=t||this.parent.OOB()).cornerPoint;if(!this.toX&&!e.x){let e=null;t.left&&this.left?e=this.parent.screenWorldWidth<this.parent.screenWidth?this.calcUnderflowX():0:t.right&&this.right&&(e=this.parent.screenWorldWidth<this.parent.screenWidth?this.calcUnderflowX():-i.x),null!==e&&this.parent.x!==e&&(this.toX={time:0,start:this.parent.x,delta:e-this.parent.x,end:e},this.parent.emit("bounce-x-start",this.parent))}if(!this.toY&&!e.y){let e=null;t.top&&this.top?e=this.parent.screenWorldHeight<this.parent.screenHeight?this.calcUnderflowY():0:t.bottom&&this.bottom&&(e=this.parent.screenWorldHeight<this.parent.screenHeight?this.calcUnderflowY():-i.y),null!==e&&this.parent.y!==e&&(this.toY={time:0,start:this.parent.y,delta:e-this.parent.y,end:e},this.parent.emit("bounce-y-start",this.parent))}}}reset(){this.toX=this.toY=null}}const b={topLeft:!1,friction:.8,time:1e3,ease:"easeInOutSine",interrupt:!0,removeOnComplete:!1,removeOnInterrupt:!1,forceStart:!1};class W extends h{constructor(t,e,i,s={}){super(t),this.options=Object.assign({},b,s),this.ease=x(s.ease,"easeInOutSine"),this.x=e,this.y=i,this.options.forceStart&&this.snapStart()}snapStart(){this.percent=0,this.snapping={time:0};const t=this.options.topLeft?this.parent.corner:this.parent.center;this.deltaX=this.x-t.x,this.deltaY=this.y-t.y,this.startX=t.x,this.startY=t.y,this.parent.emit("snap-start",this.parent)}wheel(){this.options.removeOnInterrupt&&this.parent.plugins.remove("snap")}down(){this.options.removeOnInterrupt?this.parent.plugins.remove("snap"):this.options.interrupt&&(this.snapping=null)}up(){if(0===this.parent.input.count()){const t=this.parent.plugins.get("decelerate");t&&(t.x||t.y)&&(t.percentChangeX=t.percentChangeY=this.options.friction)}}update(t){if(!(this.paused||this.options.interrupt&&0!==this.parent.input.count()))if(this.snapping){const e=this.snapping;let i,s,n;if(e.time+=t,e.time>this.options.time)i=!0,s=this.startX+this.deltaX,n=this.startY+this.deltaY;else{const t=this.ease(e.time,0,1,this.options.time);s=this.startX+this.deltaX*t,n=this.startY+this.deltaY*t}this.options.topLeft?this.parent.moveCorner(s,n):this.parent.moveCenter(s,n),this.parent.emit("moved",{viewport:this.parent,type:"snap"}),i&&(this.options.removeOnComplete&&this.parent.plugins.remove("snap"),this.parent.emit("snap-end",this.parent),this.snapping=null)}else{const t=this.options.topLeft?this.parent.corner:this.parent.center;t.x===this.x&&t.y===this.y||this.snapStart()}}}const H={width:0,height:0,time:1e3,ease:"easeInOutSine",center:null,interrupt:!0,removeOnComplete:!1,removeOnInterrupts:!1,forceStart:!1,noMove:!1};class M extends h{constructor(t,e={}){super(t),this.options=Object.assign({},H,e),this.ease=x(this.options.ease),this.options.width>0&&(this.x_scale=t.screenWidth/this.options.width),this.options.height>0&&(this.y_scale=t.screenHeight/this.options.height),this.xIndependent=!!this.x_scale,this.yIndependent=!!this.y_scale,this.x_scale=this.xIndependent?this.x_scale:this.y_scale,this.y_scale=this.yIndependent?this.y_scale:this.x_scale,0===this.options.time?(t.container.scale.x=this.x_scale,t.container.scale.y=this.y_scale,this.options.removeOnComplete&&this.parent.plugins.remove("snap-zoom")):e.forceStart&&this.createSnapping()}createSnapping(){const t=this.parent.scale;this.snapping={time:0,startX:t.x,startY:t.y,deltaX:this.x_scale-t.x,deltaY:this.y_scale-t.y},this.parent.emit("snap-zoom-start",this.parent)}resize(){this.snapping=null,this.options.width>0&&(this.x_scale=this.parent._screenWidth/this.options.width),this.options.height>0&&(this.y_scale=this.parent._screenHeight/this.options.height),this.x_scale=this.xIndependent?this.x_scale:this.y_scale,this.y_scale=this.yIndependent?this.y_scale:this.x_scale}reset(){this.snapping=null}wheel(){this.options.removeOnInterrupt&&this.parent.plugins.remove("snap-zoom")}down(){this.options.removeOnInterrupt?this.parent.plugins.remove("snap-zoom"):this.options.interrupt&&(this.snapping=null)}update(t){if(this.paused)return;if(this.options.interrupt&&0!==this.parent.input.count())return;let e;if(this.options.center||this.options.noMove||(e=this.parent.center),this.snapping){if(this.snapping){const i=this.snapping;if(i.time+=t,i.time>=this.options.time)this.parent.scale.set(this.x_scale,this.y_scale),this.options.removeOnComplete&&this.parent.plugins.remove("snap-zoom"),this.parent.emit("snap-zoom-end",this.parent),this.snapping=null;else{const t=this.snapping;this.parent.scale.x=this.ease(t.time,t.startX,t.deltaX,this.options.time),this.parent.scale.y=this.ease(t.time,t.startY,t.deltaY,this.options.time)}const s=this.parent.plugins.get("clamp-zoom");s&&s.clamp(),this.options.noMove||(this.options.center?this.parent.moveCenter(this.options.center):this.parent.moveCenter(e))}}else this.parent.scale.x===this.x_scale&&this.parent.scale.y===this.y_scale||this.createSnapping()}resume(){this.snapping=null,super.resume()}}const O={speed:0,acceleration:null,radius:null};class z extends h{constructor(t,e,i={}){super(t),this.target=e,this.options=Object.assign({},O,i),this.velocity={x:0,y:0}}update(t){if(this.paused)return;const e=this.parent.center;let i=this.target.x,s=this.target.y;if(this.options.radius){if(!(Math.sqrt(Math.pow(this.target.y-e.y,2)+Math.pow(this.target.x-e.x,2))>this.options.radius))return;{const t=Math.atan2(this.target.y-e.y,this.target.x-e.x);i=this.target.x-Math.cos(t)*this.options.radius,s=this.target.y-Math.sin(t)*this.options.radius}}const n=i-e.x,h=s-e.y;if(n||h)if(this.options.speed)if(this.options.acceleration){const o=Math.atan2(s-e.y,i-e.x),r=Math.sqrt(Math.pow(n,2)+Math.pow(h,2));if(r){const a=(Math.pow(this.velocity.x,2)+Math.pow(this.velocity.y,2))/(2*this.options.acceleration);this.velocity=r>a?{x:Math.min(this.velocity.x+this.options.acceleration*t,this.options.speed),y:Math.min(this.velocity.y+this.options.acceleration*t,this.options.speed)}:{x:Math.max(this.velocity.x-this.options.acceleration*this.options.speed,0),y:Math.max(this.velocity.y-this.options.acceleration*this.options.speed,0)};const p=Math.cos(o)*this.velocity.x,l=Math.sin(o)*this.velocity.y,c=Math.abs(p)>Math.abs(n)?i:e.x+p,d=Math.abs(l)>Math.abs(h)?s:e.y+l;this.parent.moveCenter(c,d),this.parent.emit("moved",{viewport:this.parent,type:"follow"})}}else{const t=Math.atan2(s-e.y,i-e.x),o=Math.cos(t)*this.options.speed,r=Math.sin(t)*this.options.speed,a=Math.abs(o)>Math.abs(n)?i:e.x+o,p=Math.abs(r)>Math.abs(h)?s:e.y+r;this.parent.moveCenter(a,p),this.parent.emit("moved",{viewport:this.parent,type:"follow"})}else this.parent.moveCenter(i,s),this.parent.emit("moved",{viewport:this.parent,type:"follow"})}}const C={percent:.1,smooth:!1,interrupt:!0,reverse:!1,center:null};class I extends h{constructor(t,e={}){super(t),this.options=Object.assign({},C,e)}down(){this.options.interrupt&&(this.smoothing=null)}update(){if(this.smoothing){const t=this.smoothingCenter,e=this.smoothing;let i;this.options.center||(i=this.parent.toLocal(t)),this.parent.scale.x+=e.x,this.parent.scale.y+=e.y,this.parent.emit("zoomed",{viewport:this.parent,type:"wheel"});const s=this.parent.plugins.get("clamp-zoom");if(s&&s.clamp(),this.options.center)this.parent.moveCenter(this.options.center);else{const e=this.parent.toGlobal(i);this.parent.x+=t.x-e.x,this.parent.y+=t.y-e.y}this.smoothingCount++,this.smoothingCount>=this.options.smooth&&(this.smoothing=null)}}wheel(t){if(this.paused)return;let e=this.parent.input.getPointerPosition(t);const i=(this.options.reverse?-1:1)*-t.deltaY*(t.deltaMode?120:1)/500,s=Math.pow(2,(1+this.options.percent)*i);if(this.options.smooth){const t={x:this.smoothing?this.smoothing.x*(this.options.smooth-this.smoothingCount):0,y:this.smoothing?this.smoothing.y*(this.options.smooth-this.smoothingCount):0};this.smoothing={x:((this.parent.scale.x+t.x)*s-this.parent.scale.x)/this.options.smooth,y:((this.parent.scale.y+t.y)*s-this.parent.scale.y)/this.options.smooth},this.smoothingCount=0,this.smoothingCenter=e}else{let t;this.options.center||(t=this.parent.toLocal(e)),this.parent.scale.x*=s,this.parent.scale.y*=s,this.parent.emit("zoomed",{viewport:this.parent,type:"wheel"});const i=this.parent.plugins.get("clamp-zoom");if(i&&i.clamp(),this.options.center)this.parent.moveCenter(this.options.center);else{const i=this.parent.toGlobal(t);this.parent.x+=e.x-i.x,this.parent.y+=e.y-i.y}}this.parent.emit("moved",{viewport:this.parent,type:"wheel"}),this.parent.emit("wheel",{wheel:{dx:t.deltaX,dy:t.deltaY,dz:t.deltaZ},event:t,viewport:this.parent}),this.parent.options.passiveWheel||t.preventDefault()}}const S={radius:null,distance:null,top:null,bottom:null,left:null,right:null,speed:8,reverse:!1,noDecelerate:!1,linear:!1,allowButtons:!1};class _ extends h{constructor(t,e={}){super(t),this.options=Object.assign({},S,e),this.reverse=this.options.reverse?1:-1,this.radiusSquared=Math.pow(this.options.radius,2),this.resize()}resize(){const t=this.options.distance;null!==t?(this.left=t,this.top=t,this.right=this.parent.worldScreenWidth-t,this.bottom=this.parent.worldScreenHeight-t):this.radius||(this.left=this.options.left,this.top=this.options.top,this.right=null===this.options.right?null:this.parent.worldScreenWidth-this.options.right,this.bottom=null===this.options.bottom?null:this.parent.worldScreenHeight-this.options.bottom)}down(){this.options.allowButtons||(this.horizontal=this.vertical=null)}move(t){if("mouse"!==t.data.pointerType&&1!==t.data.identifier||!this.options.allowButtons&&0!==t.data.buttons)return;const e=t.data.global.x,i=t.data.global.y;if(this.radiusSquared){const t=this.parent.toScreen(this.parent.center);if(Math.pow(t.x-e,2)+Math.pow(t.y-i,2)>=this.radiusSquared){const s=Math.atan2(t.y-i,t.x-e);this.options.linear?(this.horizontal=Math.round(Math.cos(s))*this.options.speed*this.reverse*.06,this.vertical=Math.round(Math.sin(s))*this.options.speed*this.reverse*.06):(this.horizontal=Math.cos(s)*this.options.speed*this.reverse*.06,this.vertical=Math.sin(s)*this.options.speed*this.reverse*.06)}else this.horizontal&&this.decelerateHorizontal(),this.vertical&&this.decelerateVertical(),this.horizontal=this.vertical=0}else null!==this.left&&e<this.left?this.horizontal=1*this.reverse*this.options.speed*.06:null!==this.right&&e>this.right?this.horizontal=-1*this.reverse*this.options.speed*.06:(this.decelerateHorizontal(),this.horizontal=0),null!==this.top&&i<this.top?this.vertical=1*this.reverse*this.options.speed*.06:null!==this.bottom&&i>this.bottom?this.vertical=-1*this.reverse*this.options.speed*.06:(this.decelerateVertical(),this.vertical=0)}decelerateHorizontal(){const t=this.parent.plugins.get("decelerate");this.horizontal&&t&&!this.options.noDecelerate&&t.activate({x:this.horizontal*this.options.speed*this.reverse/(1e3/60)})}decelerateVertical(){const t=this.parent.plugins.get("decelerate");this.vertical&&t&&!this.options.noDecelerate&&t.activate({y:this.vertical*this.options.speed*this.reverse/(1e3/60)})}up(){this.horizontal&&this.decelerateHorizontal(),this.vertical&&this.decelerateVertical(),this.horizontal=this.vertical=null}update(){if(!this.paused&&(this.horizontal||this.vertical)){const t=this.parent.center;this.horizontal&&(t.x+=this.horizontal*this.options.speed),this.vertical&&(t.y+=this.vertical*this.options.speed),this.parent.moveCenter(t),this.parent.emit("moved",{viewport:this.parent,type:"mouse-edges"})}}}const k={screenWidth:window.innerWidth,screenHeight:window.innerHeight,worldWidth:null,worldHeight:null,threshold:5,passiveWheel:!0,stopPropagation:!1,forceHitArea:null,noTicker:!1,interaction:null,disableOnContextMenu:!1};t.Plugin=h,t.Viewport=class extends e.Container{constructor(t={}){if(super(),this.options=Object.assign({},k,t),t.ticker)this.options.ticker=t.ticker;else{let i;const s=e;i=parseInt(/^(\d+)\./.exec(e.VERSION)[1])<5?s.ticker.shared:s.Ticker.shared,this.options.ticker=t.ticker||i}this.screenWidth=this.options.screenWidth,this.screenHeight=this.options.screenHeight,this._worldWidth=this.options.worldWidth,this._worldHeight=this.options.worldHeight,this.forceHitArea=this.options.forceHitArea,this.threshold=this.options.threshold,this.options.divWheel=this.options.divWheel||document.body,this.options.disableOnContextMenu&&(this.options.divWheel.oncontextmenu=t=>t.preventDefault()),this.options.noTicker||(this.tickerFunction=()=>this.update(this.options.ticker.elapsedMS),this.options.ticker.add(this.tickerFunction)),this.input=new i(this),this.plugins=new n(this)}destroy(t){this.options.noTicker||this.options.ticker.remove(this.tickerFunction),this.input.destroy(),super.destroy(t)}update(t){this.pause||(this.plugins.update(t),this.lastViewport&&(this.lastViewport.x!==this.x||this.lastViewport.y!==this.y?this.moving=!0:this.moving&&(this.emit("moved-end",this),this.moving=!1),this.lastViewport.scaleX!==this.scale.x||this.lastViewport.scaleY!==this.scale.y?this.zooming=!0:this.zooming&&(this.emit("zoomed-end",this),this.zooming=!1)),this.forceHitArea||(this._hitAreaDefault=new e.Rectangle(this.left,this.top,this.worldScreenWidth,this.worldScreenHeight),this.hitArea=this._hitAreaDefault),this._dirty=this._dirty||!this.lastViewport||this.lastViewport.x!==this.x||this.lastViewport.y!==this.y||this.lastViewport.scaleX!==this.scale.x||this.lastViewport.scaleY!==this.scale.y,this.lastViewport={x:this.x,y:this.y,scaleX:this.scale.x,scaleY:this.scale.y},this.emit("frame-end",this))}resize(t=window.innerWidth,e=window.innerHeight,i,s){this.screenWidth=t,this.screenHeight=e,void 0!==i&&(this._worldWidth=i),void 0!==s&&(this._worldHeight=s),this.plugins.resize()}get worldWidth(){return this._worldWidth?this._worldWidth:this.width/this.scale.x}set worldWidth(t){this._worldWidth=t,this.plugins.resize()}get worldHeight(){return this._worldHeight?this._worldHeight:this.height/this.scale.y}set worldHeight(t){this._worldHeight=t,this.plugins.resize()}getVisibleBounds(){return new e.Rectangle(this.left,this.top,this.worldScreenWidth,this.worldScreenHeight)}toWorld(t,i){return 2===arguments.length?this.toLocal(new e.Point(t,i)):this.toLocal(t)}toScreen(t,i){return 2===arguments.length?this.toGlobal(new e.Point(t,i)):this.toGlobal(t)}get worldScreenWidth(){return this.screenWidth/this.scale.x}get worldScreenHeight(){return this.screenHeight/this.scale.y}get screenWorldWidth(){return this.worldWidth*this.scale.x}get screenWorldHeight(){return this.worldHeight*this.scale.y}get center(){return new e.Point(this.worldScreenWidth/2-this.x/this.scale.x,this.worldScreenHeight/2-this.y/this.scale.y)}set center(t){this.moveCenter(t)}moveCenter(){let t,e;return isNaN(arguments[0])?(t=arguments[0].x,e=arguments[0].y):(t=arguments[0],e=arguments[1]),this.position.set((this.worldScreenWidth/2-t)*this.scale.x,(this.worldScreenHeight/2-e)*this.scale.y),this.plugins.reset(),this.dirty=!0,this}get corner(){return new e.Point(-this.x/this.scale.x,-this.y/this.scale.y)}set corner(t){this.moveCorner(t)}moveCorner(t,e){return 1===arguments.length?this.position.set(-t.x*this.scale.x,-t.y*this.scale.y):this.position.set(-t*this.scale.x,-e*this.scale.y),this.plugins.reset(),this}fitWidth(t,e,i=!0,s){let n;e&&(n=this.center),this.scale.x=this.screenWidth/t,i&&(this.scale.y=this.scale.x);const h=this.plugins.get("clamp-zoom");return!s&&h&&h.clamp(),e&&this.moveCenter(n),this}fitHeight(t,e,i=!0,s){let n;e&&(n=this.center),this.scale.y=this.screenHeight/t,i&&(this.scale.x=this.scale.y);const h=this.plugins.get("clamp-zoom");return!s&&h&&h.clamp(),e&&this.moveCenter(n),this}fitWorld(t){let e;t&&(e=this.center),this.scale.x=this.screenWidth/this.worldWidth,this.scale.y=this.screenHeight/this.worldHeight,this.scale.x<this.scale.y?this.scale.y=this.scale.x:this.scale.x=this.scale.y;const i=this.plugins.get("clamp-zoom");return i&&i.clamp(),t&&this.moveCenter(e),this}fit(t,e=this.worldWidth,i=this.worldHeight){let s;t&&(s=this.center),this.scale.x=this.screenWidth/e,this.scale.y=this.screenHeight/i,this.scale.x<this.scale.y?this.scale.y=this.scale.x:this.scale.x=this.scale.y;const n=this.plugins.get("clamp-zoom");return n&&n.clamp(),t&&this.moveCenter(s),this}setZoom(t,e){let i;e&&(i=this.center),this.scale.set(t);const s=this.plugins.get("clamp-zoom");return s&&s.clamp(),e&&this.moveCenter(i),this}zoomPercent(t,e){return this.setZoom(this.scale.x+this.scale.x*t,e)}zoom(t,e){return this.fitWidth(t+this.worldScreenWidth,e),this}set scaled(t){this.setZoom(t,!0)}get scaled(){return this.scale.x}snapZoom(t){return this.plugins.add("snap-zoom",new M(this,t)),this}OOB(){return{left:this.left<0,right:this.right>this._worldWidth,top:this.top<0,bottom:this.bottom>this._worldHeight,cornerPoint:new e.Point(this._worldWidth*this.scale.x-this.screenWidth,this._worldHeight*this.scale.y-this.screenHeight)}}get right(){return-this.x/this.scale.x+this.worldScreenWidth}set right(t){this.x=-t*this.scale.x+this.screenWidth,this.plugins.reset()}get left(){return-this.x/this.scale.x}set left(t){this.x=-t*this.scale.x,this.plugins.reset()}get top(){return-this.y/this.scale.y}set top(t){this.y=-t*this.scale.y,this.plugins.reset()}get bottom(){return-this.y/this.scale.y+this.worldScreenHeight}set bottom(t){this.y=-t*this.scale.y+this.screenHeight,this.plugins.reset()}get dirty(){return this._dirty}set dirty(t){this._dirty=t}get forceHitArea(){return this._forceHitArea}set forceHitArea(t){t?(this._forceHitArea=t,this.hitArea=t):(this._forceHitArea=null,this.hitArea=new e.Rectangle(0,0,this.worldWidth,this.worldHeight))}drag(t){return this.plugins.add("drag",new r(this,t)),this}clamp(t){return this.plugins.add("clamp",new c(this,t)),this}decelerate(t){return this.plugins.add("decelerate",new m(this,t)),this}bounce(t){return this.plugins.add("bounce",new v(this,t)),this}pinch(t){return this.plugins.add("pinch",new p(this,t)),this}snap(t,e,i){return this.plugins.add("snap",new W(this,t,e,i)),this}follow(t,e){return this.plugins.add("follow",new z(this,t,e)),this}wheel(t){return this.plugins.add("wheel",new I(this,t)),this}clampZoom(t){return this.plugins.add("clamp-zoom",new u(this,t)),this}mouseEdges(t){return this.plugins.add("mouse-edges",new _(this,t)),this}get pause(){return this._pause}set pause(t){this._pause=t,this.lastViewport=null,this.moving=!1,this.zooming=!1,t&&this.input.pause()}ensureVisible(t,e,i,s){t<this.left?this.left=t:t+i>this.right&&(this.right=t+i),e<this.top?this.top=e:e+s>this.bottom&&(this.bottom=e+s)}},Object.defineProperty(t,"__esModule",{value:!0})});
//# sourceMappingURL=viewport.js.map