MiaoDaren/assets/scripts/Erasure.js

var t = require;
var e = module;
var i = exports;
var s =
    (this && this.__decorate) ||
    function(t, e, i, s) {
        var o,
            a = arguments.length,
            n = a < 3 ? e : null === s ? (s = Object.getOwnPropertyDescriptor(e, i)) : s;
        if ("object" == typeof Reflect && "function" == typeof Reflect.decorate) n = Reflect.decorate(t, e, i, s);
        else
            for (var r = t.length - 1; 0 <= r; r--)
                (o = t[r]) && (n = (a < 3 ? o(n) : 3 < a ? o(e, i, n) : o(e, i)) || n);
        return 3 < a && n && Object.defineProperty(e, i, n), n;
    };
Object.defineProperty(i, "__esModule", { value: !0 });
const { ccclass: o, property: a, menu: n, executeInEditMode: r } = cc._decorator;
e = class extends cc.Component {
    constructor() {
        super(...arguments),
            (this.mask = null),
            (this.invokeEvent = []),
            (this.scrapteRadius = 35),
            (this.scrapteArea = 0.5),
            (this.achieveNum = 0),
            (this.pixelNum = 0);
    }
    onLoad() {
        this.maskGraphics = this.mask._graphics;
    }
    onEnable() {
        this.getInitNum(),
            (this.pixelNum = 0),
            (this.achieveNum = 0),
            (this.achieveNum = this.scrapteArea * this.initPixel()),
            this.node.on(cc.Node.EventType.TOUCH_START, this.onEventStart, this),
            this.node.on(cc.Node.EventType.TOUCH_MOVE, this.onEventMove, this),
            this.node.on(cc.Node.EventType.TOUCH_END, this.onEventEnd, this);
    }
    onDisable() {
        this.node.off(cc.Node.EventType.TOUCH_START, this.onEventStart, this),
            this.node.off(cc.Node.EventType.TOUCH_MOVE, this.onEventMove, this),
            this.node.off(cc.Node.EventType.TOUCH_END, this.onEventEnd, this);
    }
    onEventStart(t) {
        this.comFun(this.node.convertToNodeSpaceAR(t.touch.getLocation())), this.checkScrape();
    }
    onEventMove(t) {
        this.comFun(this.node.convertToNodeSpaceAR(t.touch.getLocation())), this.checkScrape();
    }
    onEventEnd(t) {
        this.comFun(this.node.convertToNodeSpaceAR(t.touch.getLocation())), this.checkScrape();
    }
    addCircle(t) {
        var e = this.maskGraphics,
            i = cc.color(0, 0, 0, 255);
        e.ellipse(t.x, t.y, this.scrapteRadius + 10, this.scrapteRadius + 10),
            (e.lineWidth = 2),
            (e.fillColor = i),
            e.fill();
    }
    checkScrape() {
        this.achieveNum < this.pixelNum &&
            (cc.Component.EventHandler.emitEvents(this.invokeEvent, this),
                cc.log("已经刮完图层"),
                (this.mask.enabled = !1));
    }
    comFun(t) {
        this.checkPixelPiont(t), this.addCircle(t);
    }
    getInitNum() {
        (this.pixelNum = 0), (this.achieveNum = this.scrapteArea * this.initPixel());
    }
    initPixel() {
        var t = this.node.width,
            e = this.node.height;
        let i = (this.node.width = t) / 2,
            s = (this.node.height = e) / 2,
            o = -s,
            a = o;
        var n = [],
            r = 2 * this.scrapteRadius,
            l = 2 * this.scrapteRadius;
        for (let t = -i; t <= i; t += r)
            for (o = a; o <= s; o += l) {
                var h = [t, o];
                (h.isTouch = !0), n.push(h);
            }
        return (this.pixelPiont = n).length;
    }
    checkPixelPiont(t) {
        var e,
            i,
            s,
            o = this.pixelPiont;
        for (s in o)
            if (
                ((e = Math.abs(t.x - o[s][0])),
                    (i = Math.abs(t.y - o[s][1])),
                    e <= this.scrapteRadius && i <= this.scrapteRadius && o[s].isTouch)
            )
                return (o[s].isTouch = !1), void this.pixelNum++;
    }
};
s([a(cc.Mask)], e.prototype, "mask", void 0),
    s([a({ type: cc.Component.EventHandler })], e.prototype, "invokeEvent", void 0),
    s([a({})], e.prototype, "scrapteRadius", void 0),
    s([a({})], e.prototype, "scrapteArea", void 0),
    (e = s([o, r], e)),
    (i.default = e);