axmol/samples/Lua/TestLua/Resources/luaScript/AccelerometerTest/AccelerometerTest.lua

71 lines
1.8 KiB
Lua

local function AccelerometerMainLayer()
local function title()
return "AccelerometerTest"
end
local pLayer = CCLayer:create()
pLayer:setAccelerometerEnabled(true)
local pLabel = CCLabelTTF:create(title(), "Arial", 32)
pLayer:addChild(pLabel, 1)
pLabel:setPosition( ccp(VisibleRect:center().x, VisibleRect:top().y - 50) )
local pBall = CCSprite:create("Images/ball.png")
pBall:setPosition(ccp(VisibleRect:center().x, VisibleRect:center().y))
pLayer:addChild(pBall)
pBall:retain()
local function didAccelerate(x,y,z,timestamp)
local pDir = CCDirector:sharedDirector()
if nil == pBall then
return
end
local szBall = pBall:getContentSize()
local ptNowX,ptNowY = pBall:getPosition()
local ptTmp = pDir:convertToUI(CCPointMake(ptNowX,ptNowY))
ptTmp.x = ptTmp.x + x * 9.81
ptTmp.y = ptTmp.y - y * 9.81
local ptNext = pDir:convertToGL(CCPointMake(ptTmp.x,ptTmp.y))
local nMinX = math.floor(VisibleRect:left().x + szBall.width / 2.0)
local nMaxX = math.floor(VisibleRect:right().x - szBall.width / 2.0)
if ptNext.x < nMinX then
ptNext.x = nMinX
elseif ptNext.x > nMaxX then
ptNext.x = nMaxX
end
local nMinY = math.floor(VisibleRect:bottom().y + szBall.height / 2.0)
local nMaxY = math.floor(VisibleRect:top().y - szBall.height / 2.0)
if ptNext.y < nMinY then
ptNext.y = nMinY
elseif ptNext.y > nMaxY then
ptNext.y = nMaxY
end
pBall:setPosition(CCPointMake(ptNext.x,ptNext.y))
end
pLayer:registerScriptAccelerateHandler(didAccelerate)
return pLayer
end
function AccelerometerMain()
cclog("AccelerometerMain")
local scene = CCScene:create()
scene:addChild(AccelerometerMainLayer())
scene:addChild(CreateBackMenuItem())
return scene
end