3 lines
40 KiB
JavaScript
3 lines
40 KiB
JavaScript
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!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 o
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