SmallBasic打砖块游戏的源码

GraphicsWindow.BackgroundColor="DarkBlue"
paddle=Shapes.AddRectangle(120,12)
ball=Shapes.AddEllipse(16,16)
GraphicsWindow.MouseMove = OnMouseMove 
 
x = 0 
y = 0 
deltaX = 1 
deltaY = 1 
 
RunLoop: 
  x = x + deltaX 
  y = y + deltaY 
   
  gw = GraphicsWindow.Width 
  gh = GraphicsWindow.Height 
  If (x >= gw - 16 or x <= 0) Then 
    deltaX = -deltaX 
  EndIf 
  If (y <= 0) Then 
    deltaY = -deltaY 
  EndIf 
   
  padX = Shapes.GetLeft(paddle) 
  If (y = gh - 28 and x >= padX and x <= padX + 120) Then 
    deltaY = -deltaY 
  EndIf 
   
  Shapes.Move(ball, x, y) 
  Program.Delay(5) 
   
  If (y < gh) Then 
    Goto RunLoop 
  EndIf 
 
GraphicsWindow.ShowMessage("You Lose", "Paddle") 
 
Sub OnMouseMove 
  paddleX = GraphicsWindow.MouseX 
  Shapes.Move(paddle, paddleX - 60, GraphicsWindow.Height - 12) 
EndSub