这里废话不多说，直接上代码，备忘
双指缩放代码片段
self._curScale = 1
self._scaleControllerFactor = 1
self._moved = false
local distence, tempDistence = 0, 0
local startPoint, endPoint = nil, nil
self._seaLayer:setTouchEnabled(true)
self._seaLayer:setTouchMode(cc.TOUCH_MODE_ALL_AT_ONCE)
self._seaLayer:addNodeEventListener(cc.NODE_TOUCH_EVENT, function (event)
if event.name == "began" then
self._moved = false
startPoint = CCPoint(event.points["0"].x, event.points["0"].y)
return true
elseif event.name == "moved" then
if table.nums(event.points) == 1 and (not self._moved) then
-- 单指触摸要判断下滑动距离
if math.abs(startPoint.x - event.points["0"].x) & 10 or math.abs(startPoint.y - event.points["0"].y) & 10 then
self._moved = true
self._moved = false
elseif table.nums(event.points) & 1 then
-- 双指触摸
self._moved = true
endPoint = CCPoint(event.points["1"].x, event.points["1"].y)
tempDistence = ccpDistance(startPoint, endPoint)
-- 平滑缩放处理
self._scaleControllerFactor = tempDistence/distence
if self._scaleControllerFactor & 1 then
self._scaleControllerFactor = 1.02
elseif self._scaleControllerFactor & 1 then
self._scaleControllerFactor = 0.98
self._curScale = self._scaleControllerFactor * self._curScale
-- 缩放范围0.5~1.0
if self._curScale & 0.5 then
self._curScale = 0.5
elseif self._curScale & 1 then
self._curScale = 1
print(string.format("缩放%f", self._curScale))
self:setScale(self._curScale)
elseif event.name == "ended" then
if not self._moved then
elseif event.name == "added" then
for id, point in pairs(event.points) do
if id == "1" then
endPoint = CCPoint(event.points[id].x, event.points[id].y)
distence = ccpDistance(startPoint, endPoint)
function scene:setScale(scale)
-- do anything that you want to do here
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self._curScale = 1self._scaleControllerFactor = 1self._moved = falselocal distence, tempDistence = 0, 0local startPoint, endPoint = nil, nil&self._seaLayer:setTouchEnabled(true)self._seaLayer:setTouchMode(cc.TOUCH_MODE_ALL_AT_ONCE)self._seaLayer:addNodeEventListener(cc.NODE_TOUCH_EVENT, function (event)&&&&if event.name == "began" then&&&&&&&&self._moved = false&&&&&&&&startPoint = CCPoint(event.points["0"].x, event.points["0"].y)&&&&&&&&return true&&&&elseif event.name == "moved" then&&&&&&&&if table.nums(event.points) == 1 and (not self._moved) then&&&&&&&&&&&&-- 单指触摸要判断下滑动距离&&&&&&&&&&&&if math.abs(startPoint.x - event.points["0"].x) & 10 or math.abs(startPoint.y - event.points["0"].y) & 10 then&&&&&&&&&&&&&&&&self._moved = true&&&&&&&&&&&&else&&&&&&&&&&&&&&&&self._moved = false&&&&&&&&&&&&end&&&&&&&&elseif table.nums(event.points) & 1 then&&&&&&&&&&&&-- 双指触摸&&&&&&&&&&&&self._moved = true&&&&&&&&&&&&&endPoint = CCPoint(event.points["1"].x, event.points["1"].y)&&&&&&&&&&&&tempDistence = ccpDistance(startPoint, endPoint)&&&&&&&&&&&&&-- 平滑缩放处理&&&&&&&&&&&&self._scaleControllerFactor = tempDistence/distence&&&&&&&&&&&&if self._scaleControllerFactor & 1 then&&&&&&&&&&&&&&&&self._scaleControllerFactor = 1.02&&&&&&&&&&&&elseif self._scaleControllerFactor & 1 then&&&&&&&&&&&&&&&&self._scaleControllerFactor = 0.98&&&&&&&&&&&&end&&&&&&&&&&&&&self._curScale = self._scaleControllerFactor * self._curScale&&&&&&&&&&&&-- 缩放范围0.5~1.0&&&&&&&&&&&&if self._curScale & 0.5 then&&&&&&&&&&&&&&&&self._curScale = 0.5&&&&&&&&&&&&elseif self._curScale & 1 then&&&&&&&&&&&&&&&&self._curScale = 1&&&&&&&&&&&&end&&&&&&&&&&&&&print(string.format("缩放%f", self._curScale))&&&&&&&&&&&&self:setScale(self._curScale)&&&&&&&&end&&&&elseif event.name == "ended" then&&&&&&&&if not self._moved then&&&&&&&&-- TODO&&&&elseif event.name == "added" then&&&&&&&&for id, point in pairs(event.points) do&&&&&&&&&&&&if id == "1" then&&&&&&&&&&&&&&&&endPoint = CCPoint(event.points[id].x, event.points[id].y)&&&&&&&&&&&&&&&&distence = ccpDistance(startPoint, endPoint)&&&&&&&&&&&&end&&&&&&&&end&&&&endend)&function scene:setScale(scale)&&&&-- do anything that you want to do hereend
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