Out Of Bounds

[Lukiester]

Hello, i am currently developing a game and was wondering how to stop a player/object going out of the screen, i know how to do this normally but on this occasion i have made my own custom movement. does anyone know how to do this?
thanks Lucas

[Jacob]

It all depends how you have your movement set up, but the easiest way is to just put a border of obstacle blocks outside your frame. If you're using a simple vector system where you add acceleration to velocity and velocity to position you can just change that last action from position = position + velocity to position = min( max( X Frame Left, position + velocity), X Frame Right)

[Lukiester]

i am using when w is pressed 'set y position to y object -6 and so one

[Del_Duio]

Best and easiest way I know is to make a giant rectangluar frame w/ an active object that's a bit larger than your visible play area and use it as an obstacle. I did something like this not long ago to keep bullets from the hero from hitting enemies and stuff that were too far away.

[sgn15]

Isn't "Test Position" specifically made for this issue?

[Del_Duio]

That might work too, but I really only use the 'Test Position / Outside of Frame' to destroy objects and not to try and stop a character from moving out of bounds. (?)

[piscesdreams]

I have always just made it where when active is x left frame + half the size of the active = active x + half its pixel size. Its always created a firm wall. Just tinker with it depending on your object size and how many pixels it moves. If youre moving 6 pixels to the left then add 6 or 7 and see how the results are for you. Always works for me.