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  1. #1
    Registered User
    Join Date
    May 2003

    Game-- about collision detection

    How can let one object collision with line??
    Eg: Have a line which slope is 2 and the object (ball ) sleep is 5 and then fly toward to that line. how can let it reflect when the object (ball) collision with line??

  2. #2
    Regular Contributor
    Join Date
    Aug 2003
    Your talking about programming physics and collision.

    Search the web, or buy a book, e.g.


    I don't know much about physics, but I am guessing you need to use things like.

    Equations of motion.
    Line/Sphere intersection equation.
    And then work out angle of reflection, and send the object off on the new vector.

    Basically you are going to have to learn some maths.
    And after that, you will need to learn some more maths


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