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GM:S 1.4 [SOLVED!] Pathfinding stop when surrounded

Discussion in 'Programming' started by DragonRod342, Dec 2, 2019.

  1. DragonRod342

    DragonRod342 Member

    Dec 2, 2019
    Hi everyone o/

    I'm coding a top down game where enemies follow the player if they're close enough to it. I'm using this code:
    this works pretty fine, but when an enemy with this code is surrounded by walls and have no possible path to follow, it just disappears! My game'll have some places, like fences/walls where some enemies'll be placed inside.
    Like this:

    How could I define, like, if this enemy is surrounded by the obj_Solid (which is my wall obj.), it ignores the Target and sets the "IsFollowing" variable to false?
  2. TailBit

    TailBit Member

    Oct 16, 2019
    from the 10th line
    // mp_grid_add_instances(path,obj_Solid,true) // this line tries to treat the path as a grid, and you have already added the walls to the grid
    if( mp_grid_path(grid,path,x,y,Target.x,Target.y,true) ){ // this returns if the path can be completed or not
        path_start(path,Spd,"",true) // "" should be: path_action_stop
        IsFollowing = false

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