XoniX Game wall coloring problem

Question

Hello,

I'm working at the XoniX game at the moment

the idea of the game is simple multiple enemies are moving in the room , you have to build the walls to make their room smaller

the actual problem is that I want to fill the color when the wall is built

I have made this so far

https://appswithssl.com/xonix/

here you can move the player with w,a,s,d and if you go from one wall to another the shape is drawn

kglad · Accepted Answer

but there is still left something I must find a shortest way, which is a little bit difficult to figure out.

if i choose the wrong polygon I will fill allready filled one too

you don't need to find the shortest way. you just need to find one interior point of the quad and then use the bitmapdata's floodfill method. actually, you don't even need to find which sprites constitute the quad. you can create a bitmap of them all and use floodfill and the point(s) that are interior.

kglad · Answer

in general, what you want to do is difficult.

first, you have to determine whether you have a closed polygon. then you have to determine which points are inside and which points are outside the polygon.

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