模拟点击

 getHTMLElementPosition(element) {

        var docElem = document.documentElement;

        var leftOffset = window.pageXOffset - docElem.clientLeft;

        var topOffset = window.pageYOffset - docElem.clientTop;

        if (typeof element.getBoundingClientRect === 'function') {

            var box = element.getBoundingClientRect();

            return {

                left: box.left + leftOffset,

                top: box.top + topOffset,

                width: box.width,

                height: box.height

            };

        }

        else {

            if (element instanceof HTMLCanvasElement) {

                return {

                    left: leftOffset,

                    top: topOffset,

                    width: element.width,

                    height: element.height

                };

            }

            else {

                return {

                    left: leftOffset,

                    top: topOffset,

                    width: parseInt(element.style.width),

                    height: parseInt(element.style.height)

                };

            }

        }

    }

    // (x,y)世界坐标(左下角为0,0)

    touchSimulation(x, y) {

        let rect;

        let inputManager = cc.internal.inputManager;

        if (cc.sys.isBrowser) {

            let canvas = document.getElementById("GameCanvas");

            rect = this.getHTMLElementPosition(canvas);

        } else {

            rect = cc.view.getFrameSize();

            rect.left = 0;

            rect.top = 0;

        }

        let vp = cc.view.getViewportRect();

        let sx = cc.view.getScaleX();

        let sy = cc.view.getScaleY();

        let ratio = cc.view.getDevicePixelRatio();

        let htmlx = (x * sx  + vp.x) / ratio + rect.left;

        let htmly = rect.top + rect.height - (y * sy + vp.y) / ratio;

        let pt = cc.v2(htmlx, htmly);

        cc.log(`模拟点击坐标：${pt.x}, ${pt.y}`);

        let touch = inputManager.getTouchByXY(pt.x, pt.y, rect);

        inputManager.handleTouchesBegin([touch]);

        setTimeout(() => {

            inputManager.handleTouchesEnd([touch]);    

        }, 200);

    }