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Editorial Team
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Asked: 2026-05-31T19:38:05+00:00

I render all my surfaces to a buffer, then at the end of the

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I render all my surfaces to a buffer, then at the end of the frame I flip the buffer.

However, when a certain event is happening in the game, I wanted to shake the buffer around to add intensity. Rather than blitting each surface at the offset individually, I thought I would just offset the entire buffer at the end of the frame, since I wanted everything of the buffer to shake.

Is there a way that I can render to buffer at on offset, or do I need to then blit the buffer to a second buffer and flip that?

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1 Answer

  1. Editorial Team

    You can make a function and put it right before your render.

    It should get a random direction (up, down, left or right), and add the same small transformation for all textures being rendered at that frame (all textures should be moved a little bit down in that frame, for example).

    In the next frame you get again a random direction, avoiding the last one picked.

    The function should also have a timer (use SDL_GetTicks() ), so you can set how long is the shaking going to last.

    I don’t know if I was clear but, good luck anyway. 🙂

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