Why Does the Ball Wobble and Slide on the Paddle in My Pong Game?

Inconsistent Ball Bounce in Pong Game

In certain circumstances, a pong game may experience an issue where the ball fails to bounce off the paddle as expected. Instead, the ball appears to wobble and slide along the paddle, as if magnetized to it.

Cause of the Issue

The problem arises when the ball collides with the edge of the paddle rather than the front. The collision is detected and the ball's direction is reversed, but the ball has already penetrated the paddle to a depth that prevents it from exiting the collision area on its next movement. This results in a continuous series of collisions and direction changes, causing the ball to zigzag along the paddle's side.

Solution: Adjusting Direction and Position

There are several solutions to address this issue. One approach is to adjust the ball's direction based on which paddle it has collided with, ensuring that it moves away from the paddle:

if ball.colliderect(paddleLeft):
    move_x = abs(move_x)
if ball.colliderect(paddleRight):
    move_x = -abs(move_x)

Another solution involves adjusting the ball's position to ensure that it is pushed out of the collision area:

if ball.colliderect(paddleLeft):
    move_x *= -1
    ball.left = paddleLeft.right
if ball.colliderect(paddleRight):
    move_x *= -1
    ball.right = paddleRight.left

By implementing either of these solutions, the issue of inconsistent ball bounce in the pong game can be resolved, ensuring a more accurate game simulation.

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