local player local mSqrt = math.sqrt local function distanceBetween( pos1, pos2 ) local factor = { x = pos2.x - pos1.x, y = pos2.y - pos1.y } return mSqrt( ( factor.x \* factor.x ) + ( factor.y \* factor.y ) ) end enemy = display.newRect(200,250,30,30) enemy.speed = .06 player = display.newCircle( 50, 50, 15 ) player.speed = .06 player:setFillColor(0,1,0) local function movePlayer(event) transition.cancel ( player.trans ) local totDist = distanceBetween(player, event) local travTime = totDist / player.speed player.trans = transition.to ( player, {time=travTime, x=event.x, y=event.y} ) end transition.to(enemy,{time=2000,x=player.x,y=player.y}) Runtime:addEventListener("touch", movePlayer)
How to make the enemy object follow the player object ?