1.單點觸控
--測試**,新增label
local txt_label = cc.labelttf:create("測試觸控","courier",50);
txt_label:addto(self)
txt_label:setposition(yl.width/2,yl.height/2 - 100);
self.txt_label = txt_label
--單點觸控監聽
local txtlisteneronebyone = cc.eventlistenertouchonebyone:create();
--單點觸控處理函式
local function ontouchbegan( touch , event)
local pos = touch:getlocation()
pos = self.txt_label:converttonodespace(pos)
local rec = cc.rect(0, 0, self.txt_label:getcontentsize().width, self.txt_label:getcontentsize().height)
if true == cc.rectcontainspoint(rec, pos) then
--print("**********=單點觸控開始**********===")
endreturn true --返回true,代表事件繼續傳遞,後續可執行move,ended等事件. 返回false則終止事件傳遞
endlocal function ontouchmove( touch , event)
local pos = touch:getlocation()
pos = self.txt_label:converttonodespace(pos)
local rec = cc.rect(0, 0, self.txt_label:getcontentsize().width, self.txt_label:getcontentsize().height)
if true == cc.rectcontainspoint(rec, pos) then
--print("**********=單點移動開始**********===")
self.txt_label:setposition(touch:getlocation())
endreturn true
endlocal function ontouchended( touch , event)
local pos = touch:getlocation()
pos = self.txt_label:converttonodespace(pos)
local rec = cc.rect(0, 0, self.txt_label:getcontentsize().width, self.txt_label:getcontentsize().height)
if true == cc.rectcontainspoint(rec, pos) then
print("**********=單點觸控結束**********===")
self.txt_label:setposition(yl.width/2,yl.height/2 - 100)
endreturn true
end--註冊單點觸控
txtlisteneronebyone:registerscripthandler(ontouchbegan,cc.handler.event_touch_began )
txtlisteneronebyone:registerscripthandler(ontouchmove,cc.handler.event_touch_moved )
txtlisteneronebyone:registerscripthandler(ontouchended,cc.handler.event_touch_ended )
--把事件監聽新增進事件管理器
local eventdispatcher = cc.director:getinstance():geteventdispatcher()
eventdispatcher:addeventlistenerwithscenegraphpriority(txtlisteneronebyone, self.txt_label)
--測試**,新增兩個label
local txt_label = cc.labelttf:create("測試觸控","courier",50);
txt_label:addto(self)
txt_label:setposition(yl.width/2,yl.height/2 - 100);
self.txt_label = txt_label
local txt_label2 = cc.labelttf:create("測試觸控","courier",50);
txt_label2:addto(self)
txt_label2:setposition(yl.width/2,yl.height/2 + 300);
self.txt_label2 = txt_label2
--建立多點觸控監聽
local txtlistenerallatonce = cc.eventlistenertouchallatonce:create();
--多點觸控處理函式
local function ontouchesbegan( touches , event)
for k,v in ipairs(touches) do --多點觸控傳遞進來是乙個容器,用遍歷來讀取元素
local pos = self:converttonodespace(v:getlocation())
local box1 = self.txt_label:getboundingbox()
local box2 = self.txt_label2:getboundingbox()
if true == cc.rectcontainspoint(box1, pos) or true == cc.rectcontainspoint(box2, pos) then
print("多點觸控開始")
return true --返回true,代表事件繼續傳遞,後續可執行move,ended等事件. 返回false則終止事件傳遞
endend
endlocal function ontouchesmove( touches , event)
for k,v in ipairs(touches) do
local pos = self:converttonodespace(v:getlocation())
local box1 = self.txt_label:getboundingbox()
local box2 = self.txt_label2:getboundingbox()
if true == cc.rectcontainspoint(box1, pos) or true == cc.rectcontainspoint(box2, pos) then
print("多點觸控移動")
if true == cc.rectcontainspoint(box1, pos) then
self.txt_label:setposition(v:getlocation())
elseif true == cc.rectcontainspoint(box2, pos) then
self.txt_label2:setposition(v:getlocation())
endreturn true --返回true,代表事件繼續傳遞,後續可執行move,ended等事件. 返回false則終止事件傳遞
endend
endlocal function ontouchesended( touches , event)
print("多點觸控結束")
return true
end--註冊多點觸控
txtlistenerallatonce:registerscripthandler(ontouchesbegan,cc.handler.event_touches_began)
txtlistenerallatonce:registerscripthandler(ontouchesmove,cc.handler.event_touches_moved)
txtlistenerallatonce:registerscripthandler(ontouchesended,cc.handler.event_touches_ended)
--把事件監聽新增進事件管理器
local eventdispatcher = cc.director:getinstance():geteventdispatcher()
eventdispatcher:addeventlistenerwithscenegraphpriority(txtlistenerallatonce, self)
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