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Thread: Breakout Brick / Block Help Needed!

  1. Jan 17th, 2002, 07:30 AM #1
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    Unhappy Breakout Brick / Block Help Needed!

    Alright, I'm trying to make a Breakout game, I have the ball moving and such, but I'm not sure of how to check if the ball has touched the brick, and if so, bounce it again and make that brick invisible.

    Get it? Got it? Good.

    now, I have this....

    VB Code:
    1. Public Sub BlockSub(Ball As Shape, brick As Shape)

    2.  
    3. If Ball.Top - Ball.Height = brick.Top And Ball.Top = brick.Top - brick.Height Then

    4.     YSpeed = -YSpeed

    5.     Ball.Top = Ball.Top + YSpeed

    6.     Paddle.Visible = False

    7. End If

    8.  
    9. If Ball.Top = brick.Top + brick.Height Then

    10.     YSpeed = -YSpeed

    11.     Ball.Top = Ball.Top + YSpeed

    12.     Paddle.Visible = False

    13. End If

    14.  
    15. 'If Ball.Top + Ball.Height < Paddle.Top And Ball.Left >= Paddle.Left Then

    16. '    YSpeed = -YSpeed

    17. '    Ball.Top = Ball.Top + YSpeed

    18. 'Paddle.Visible = False

    19. 'End If

    20.  
    21. If Ball.Left + Ball.Width = brick.Left Then

    22.     XSpeed = -XSpeed

    23.     Ball.Left = Ball.Left + XSpeed

    24.     Paddle.Visible = False

    25. End If

    26.  
    27. If Ball.Left = brick.Left + brick.Width Then

    28.     XSpeed = -XSpeed

    29.     Ball.Left = Ball.Left + XSpeed

    30.     Paddle.Visible = False

    31. End If

    32.  
    33. End Sub

    Any suggestions?
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  2. Jan 17th, 2002, 07:41 AM #2
    Zaei
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    Dont use the "=" operator in your comparisons. The ball's values will almost never be equal to the edges of you box.

    Z.
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  3. Jan 17th, 2002, 08:23 AM #3
    Sastraxi
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    Instead, you should use a =< for the top and left edges, and >= for the bottom and right edges.
    All contents of the above post that aren't somebody elses are mine, not the property of some media corporation.
    (Just a heads-up)
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