FrameAnimation1 的簡單範例

local background = display.newImage( "grass.png" )

local radius = 40

local xdirection = 1
local ydirection = 1

local xspeed = 7.5
local yspeed = 6.4

local xpos = display.contentWidth * 0.5
local ypos = display.contentHeight * 0.5
local fruit = display.newImage( "fruit.png", xpos, ypos )

-- Get current edges of visible screen (accounting for the areas cropped by "zoomEven" scaling mode in config.lua)
local screenTop = display.screenOriginY
local screenBottom = display.viewableContentHeight + display.screenOriginY
local screenLeft = display.screenOriginX
local screenRight = display.viewableContentWidth + display.screenOriginX

local function animate(event)
 xpos = xpos + ( xspeed * xdirection );
 ypos = ypos + ( yspeed * ydirection );

 if ( xpos > screenRight - radius or xpos < screenLeft + radius ) then
  xdirection = xdirection * -1;
 end
 if ( ypos > screenBottom - radius or ypos < screenTop + radius ) then
  ydirection = ydirection * -1;
 end

 fruit:translate( xpos - fruit.x, ypos - fruit.y)
end

Runtime:addEventListener( "enterFrame", animate );