I've always had trouble with coordinates myself, so here's some tips that may help.
Look at the above diagram. LouisEX has a 79x79 sprite. The ball is 35x49 with centerx: 17 centery: 25.
If your opoint is spawned at x: 0 y: 0, it would be exactly at the spot indicated in the pic, along the pink line which borders the green grid.
Everything is relative to the top left of a sprite - except in spawning objects with opoint, where the centerx/y of the object rather than its top left would lie exactly on the opoint coordinates. This can screw up your coordinates and you can't use the exact same x/y/w/h.
So using the above LouisEX example, if Louis' bdy is "x: 40 y: 40 w: 10 h: 20" and you want your ball to be positioned exactly in the middle of this bdy, you will need to use the opoint coordinates "x: 45 y: 50". If you want your ball's itr to cover this whole bdy, it should use "x: 12 y: 15 w: 10 h: 20".
I would suggest first doing everything assuming opoint is at x: 0 y: 0, then slowly work your way from there, drawing your own diagrams if necessary. Otherwise all that number processing can get very confusing as it did for me.
Look at the above diagram. LouisEX has a 79x79 sprite. The ball is 35x49 with centerx: 17 centery: 25.
If your opoint is spawned at x: 0 y: 0, it would be exactly at the spot indicated in the pic, along the pink line which borders the green grid.
Everything is relative to the top left of a sprite - except in spawning objects with opoint, where the centerx/y of the object rather than its top left would lie exactly on the opoint coordinates. This can screw up your coordinates and you can't use the exact same x/y/w/h.
So using the above LouisEX example, if Louis' bdy is "x: 40 y: 40 w: 10 h: 20" and you want your ball to be positioned exactly in the middle of this bdy, you will need to use the opoint coordinates "x: 45 y: 50". If you want your ball's itr to cover this whole bdy, it should use "x: 12 y: 15 w: 10 h: 20".
I would suggest first doing everything assuming opoint is at x: 0 y: 0, then slowly work your way from there, drawing your own diagrams if necessary. Otherwise all that number processing can get very confusing as it did for me.
~Spy_The_Man1993~
Steiner v3.00 (outdated), Challenge Stage v1.51
Luigi's Easier Data-Editor, A-Man's Sprite Mirrorer
Working on the LF2 Rebalance mod.
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