我想为 Fixed Distance 移动 x 轴上的对象。说我有对象精灵,我已经放置在 Scene 中。我的要求是我想将 X 的对象移动到 Some -X 和 -X 到 X。
function scrollBackgroundImages(self, event)
if self.x < -477 then
self.x = 480
else
self.x = self.x - self.speed
end
end
backgroundImage1 = display.newImage("goldfish-background-01.png", 768, 1024)
backgroundImage1:setReferencePoint(display.BottomLeftReferencePoint)
backgroundImage1.x = 0
backgroundImage1.y = 320
backgroundImage1.speed = 1
screenGroup:insert(backgroundImage1)
carbSpritesheetData = { width=216, height=167, numFrames=3, sheetContentWidth=650, sheetContentHeight=167 }
mycrabSheet = graphics.newImageSheet( "crab-sprite.png", carbSpritesheetData )
crabSequenceData = {
{
name = "normalRun", start=1, count=3, time=800}
}
crabMoving = display.newSprite( mycrabSheet, crabSequenceData )
crabMoving:play()
crabMoving:scale(0.3, 0.3)
crabMoving.x =_W/2
crabMoving.y = _H-55
crabMoving.speed = 1
physics.addBody(crabMoving, "static", {density = 0.1, bounce = 0.1, friction = 0.2, radius = 12})
screenGroup:insert(crabMoving)
crabMoving.enterFrame = scrollBackgroundImages
Runtime:addEventListener("enterFrame",crabMoving )