Questions tagged [ball]

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Pset3 Breakout: Ball is passing through the paddle despite collision code.

so my ball is passing through my paddle despite the collision code I implemented. //bounce off paddle and bricks GObject collision = detectCollision(window, ball); if (collision != NULL)...
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1answer
133 views

Pset3 Breakout Ball blatantly ignores velocity change when colliding with wall

Something rather strange is taking place while I test my collision detection for the ball hitting the walls. The code below to my eye seems correct to make the ball bounce off of all 4 walls of the ...
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0answers
39 views

Cannot get both ball and paddle to work at the same time

Breakout: If I put return ball inside the while loop, I get a working paddle but the ball doesn't move. If instead, I put return ball outside the while loop or have no return at all, the ball moves, ...
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1answer
153 views

Breakout — ball continues bouncing after it moves past paddle

i'm currently working on breakout.c, but i'm having trouble with the ball continuing to bounce off the bottom even after it drops below the paddle (step 9 of the spec walkthrough). Instead, I want it ...
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0answers
55 views

Pset3 : Ball doesn't begin motion from center of window

I initially instantiated the ball in the center of the window using the initBall function. However after I implemented the code to move the ball randomly across the window, it doesn't begin its motion ...
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1answer
259 views

pset3 Ball not detecting bricks

I have used detectCollision to make the ball bounce off the paddle. I have tried to use it to make the ball bounce of the bricks but it does not. Actually, it does not compile. This is the piece of ...
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2answers
647 views

Ball moving problems

I’m having some problem with the movement and collisions of the ball. I’ve searched for answers here but I still cannot figure out how to do what they suggested. The ball gets stuck in the paddle ...
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2answers
65 views

Problems implementing initBall()

I have written the code for pset4 but I have an odd problem and I can't find the solution for this malfunctioning issue I have in the ball function. The code I have is the following: GOval initBall(...
1
vote
1answer
135 views

Ball bounces just above paddle

When I run the following code the ball bounces just above the paddle (around 10 pixels above the paddle). I haven't messed with the detect-collision function and following are my initPaddle() and code ...
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1answer
281 views

Breakout: Bouncing the Ball Up and Down

I'm not sure how to make the ball bounce up and down. Here's my code: while (lives > 0 && bricks > 0) { double velocity = 2.0; move(ball, 0, velocity); if (getY(ball) <...
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3answers
420 views

pset4 Ball is not moving

Issue: the ball is not moving. Code: // keep playing until game over while (lives > 0 && bricks > 0) { while (true) { // check for mouse event GEvent event = ...
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1answer
199 views

Why Does the Ball Disappear After Calling move()?

Code runs perfectly when the initialization functions are called. I get the bricks, the ball and the paddle which moves with mouse. However, when program calls move(ball, velocity, vertical); where ...
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1answer
472 views

pset 4 breakout ball hitting bricks

I am having trouble with hitting all my bricks. I'm done with all 10 steps in the pset but when I get to hitting the last 3 - 5 or so bricks, my ball doesn't have enough "randomness" to hit them. My ...