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Question Physics2D doesn't behave as I expected

Discussion in 'Physics' started by a_yokobori_picola, Jun 1, 2020.

  1. a_yokobori_picola


    Sep 18, 2018
    Hello! I'm a Japanese game developer.

    I'm working on a simple 2D physics game, but it doesn't behave as I expected.

    <expected behavior>
    The ball goes into the goal every time.

    <Actual behavior>
    Sometimes the ball goes into the goal, sometimes it doesn't.

    Each time a scene is loaded, it behaves differently.Isn't physical reproducibility guaranteed even in the exact same environment?

    I've attached the project for reproduction.

    [Reproduction procedure]
    1. Open Assets/PhysicsTest/PhysicsTest.scene.
    2. Press the "Start" button and wait for the ball to enter the goal or pass by.
    3. Press the "Reload" button to reload the scene.
    4. Repeat steps 2 and 3 to make sure that they behave differently.

    [Reproduction environment]
    Unity 2018.4.19f1(64-bit)

    Attached Files: