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Question by zbendas · Aug 07, 2020 at 03:15 PM · collisionmovementunity 2disometricgrid based game

Movement Colliding Improperly In Two Directions

You can find my code here: https://pastebin.com/GfCEK3Pd

I'm trying to create a 2D isometric tile-based game. I've set up things properly, as far as I understand, in terms of tilemaps to display my sprites and tilemaps to provide collision.

I've got a yellow "cage" style tile cursor that has the linked script attached to it, providing it with movement.

In my HandleMove() method, I've got things laid out so that the player will move in one of four directions according to which WASD key they press. The movement itself works great when there's no collider geometry in the way, but when I try to move into collider geometry in two of the directions, I'm unable to get pressed up against the collider geometry like I can on the other two directions.

I have a simple 5x5 tilemap to test this on, where the pink/black sprites represent collider geometry. I'm able to reach this lower corner with the cursor: alt text

But not this upper corner: alt text

I'm not sure at all how to proceed here. I want to keep discrete, tile-based movement, and still be able to not smash through the bounds of my level.

reachablecorner.png (20.2 kB)
cantreachcorner.png (4.5 kB)
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