Cart = {}

local sizeX, sizeY = CartSprite:getSize()
local size = { x = sizeX, y = sizeY * 0.75 }

cartSystem = filteredSystem("cart", { isCart = T.marker })

function Cart.reset(o)
    o.isCart = T.marker
    o.position = {
        x = 20,
        y = 50,
    }
    o.velocity = {
        x = 300 + (100 * math.random()),
        y = 175 * (math.random() - 1),
    }
    o.size = size
    o.canBeBounced = {
        flat = { x = 0, y = 0 },
        mult = { x = 1, y = 1 },
    }
    o.canCollideWith = 1 | 4
    o.mass = 1
    o.drawAsSprite = CartSprite
    o.focusPriority = 0

    ---@param world World
    function o:spawnEntitiesWhenStopped(world)
        self.velocity = { x = 300, y = 0 }
        self.canCollideWith = 4
        world:addEntity({
            roundAction = "end",
            position = {
                x = self.position.x,
                y = self.position.y,
            },
        })
        -- Focus on the center, where the cart stopped
        world:addEntity({
            position = { x = self.position.x, y = self.position.y },
            focusPriority = 1,
            removeAtRoundStart = true,
        })
    end

    return o
end

function Cart.new()
    return setmetatable(Cart.reset({}), { __index = Cart })
end