Lua 触摸事件和碰撞检测

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已于 2022-04-08 17:08:57 修改

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分类专栏： cocos2dx-lua 文章标签：触摸事件碰撞检测屏幕坐标元素定位游戏开发

于 2022-04-08 10:01:56 首次发布

本文链接：https://blog.youkuaiyun.com/hj3601947/article/details/124034285

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function initData(self)
    self.gold = self.group.gold
    self.item = self.group.item

    self.winSize = self.group.bg:getContentSize()
    self.goldSize = self.gold:getContentSize()
    self.itemSize = self.group.item:getContentSize()
    self.width = self.winSize.width - self.goldSize.width
    self.height = self.winSize.height - self.goldSize.height

    self._oldPosX = 0
    self._oldGoldX = 0
    self._oldPosY = 0
    self._oldGoldY = 0

    self:addEventListener(Event.TouchEvent, onTouchEvent,self)
end

function onTouchEvent(self, event,target)
    if event.etype == "began" then
        local touchPos = event.p
        self._oldPosX = touchPos.x
        self._oldPosY = touchPos.y
        self._oldGoldX, self._oldGoldY = self.gold:getPosition()
    elseif event.etype == "moved" then
        local touchPos = event.p
        local maxX, maxY = 0,0
        local addx =