p1 = {
    -- Pushed values to this object on update (self.xxx)
    -- x,y (in) : top left corner of the entity
    -- vx,vy (in) : Velocity
    -- width (in), height : dimensions of the map<->entity hitbox
    -- points (in) : scored points
    -- intent (in-out) : Intended direction of the entity when it'll can.
        -- Editing intent will impact the AI's deplacement.

    -- The game structure
    -- The map is stored as 8*8pixel tiles.
    -- The map has a dimension of 224*248 pixels (borders included).
    -- To push the IA to move to another direction when it can, edit self.
    -- The game structure stores the players' and ghosts' position (in pixel) and velocity
        -- gamestructure.p1.x
        -- gamestructure.p2.y
        -- gamestructure.blinky == red
        -- gamestructure.inky == cyan
        -- gamestructure.pinky == huh
        -- gamestructure.clyde == orange

    -- gamestate functions
    -- Note : All of those functions needs gamestate.data as first argument
    --  collide(gamestate.data, x,y,w,h) checks if a rectangle defined by its left corner and its dimensions collides with the walls.
    --  get_tile(gamestate.data, x, y) returns the tile on the map with tile coordinates. Returns a tbale with a has_gum integer and is_solid boolean

    init = function(self)
    end,
    update = function(self)
        self.intent = math.random(0, 4)
        local pos = self:get_tile_coords_at_center()
    end,
    -- This one wil just be called from update or init as such:
    --     self:get_tile_coords_at_center
    -- Returns a table {x =  tile_pos_y, y = tile_pos_y} or nil when the Pacman is out of bounds, so to use the variables
    -- do something like this:
    --     local pos = self:get_tile_coords_at_center()
    --     print("x : "..pos.x.." y : "..pos["x"])
    get_tile_coords_at_center = function(self)
        if self.x < 0 or self.x > 224-16 or self.y < 0 or self.y > 248-16 then
            return nil
        else
            return {x=math.floor((self.x+4)/8), y=math.floor((self.y+4)/8)}
        end
    end
}