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How can I make the ball move instead of stretch in pygame?

You have to clear the display in every frame with pygame.Surface.fill: while True: # […] screen.fill(0) # <— main.draw_elements() main.move_ball() main.ball.x_pos += main.ball.speed pygame.display.flip() # […] Everything that is drawn is drawn on the target surface. The entire scene is redraw in each frame. Therefore the display needs to be cleared at the begin of … Read more

Why is my collision test always returning ‘true’ and why is the position of the rectangle of the image always wrong (0, 0)?

pygame.Surface.get_rect.get_rect() returns a rectangle with the size of the Surface object, but it returns a rectangle that always starts at (0, 0) since a Surface object has no position. The Surface is placed at a position on the display with the blit function. You’ve to set the location of the rectangle, either by a keyword … Read more

How do I detect collision in pygame?

In PyGame, basic collision detection can be done using pygame.Rect objects. The Rect object offers various methods for detecting collisions between objects. Note that even the collision of a rectangular object with a circular object such as a paddle and a ball in Pong game can be roughly detected by a collision between two rectangular … Read more

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