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Hi,
I'm new to AppGameKit and have a question that I hope someone will be able to help me with.
If you look at the attached image I have created a 2D maze where a ball drops in from the top.

I have applied gravity to the ball but what I want is when the ball hits a flat service (wall) of the maze then it will continue moving to the left (or right) until there is space in the maze to fall down the next level (think Donkey Kong but without sloping platforms for the barrel to roll down), so the ball will always reach the bottom of the screen. At present using gravity the ball just stops at the first wall and stays there because the wall is straight and not on a slope.

I hope i'm explaining this well enough, I originally coded without gravity to check if the ball collides with a wall then to force a direction change an re draw the sprite but I think using gravity would be a much better way of doing what I want.

Hope someone can help me with this.

Thanks
Richard

Can you share your code or maybe an image?

You will need too apply a force (SetSpritePhysicsForce) to the sprite (ball) to make it move left or right on a flat surface.
The gravity is pulling straight down on flat surfaces without other forces, so you have to push it left or right on flat surfaces.
Don't forget to SetSpriteShape to a circle (1) so it can roll.
I use SetSpritePhysicsVelocity if I want a bounce too, when changing direction after hitting a side wall.

You can use a variable for the amount of force, and multiplying that by -1 would allow for a single force call to work both directions.
You would apply a positive value for the variable to roll until it hits a side wall, then multiply that by -1 when hitting the wall to make it a negative value to roll the other way.
Then when it hits a side wall rolling in that direction, it would again multiple the force variable by -1 to change it back to a positive and roll the other way.
I hope this explanation make sense, because I don't have a snippet to share.

Your image attachment doesn't seem to be here, so you may want to try uploading it again, or post a code snippet.