LÖVE

Code: Select all

function Unit:predelete()
    -- remove shapes from contacts (important for collision callbacks)
    for _, shape in pairs(self.shapes) do
        shape:setMask(1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16)
    end
    self.predeleted = true
end

function Unit:delete()
    if self.predeleted then
        for i, joint in pairs(self.joints) do
            joint:destroy()
        end
        self.joints = {}
        for i, shape in pairs(self.shapes) do
            shape:destroy()
        end
        self.shapes = {}
        for i, body in pairs(self.bodies) do
            body:destroy()
        end
        self.bodies = {}
        self.deleted = true
    end
end

function love.update()
    if not paused then
        -- prepare for removing (remove collision contacts)
        for _,unit in ipairs(for_removal) do
            unit:predelete()
        end
        -- update all
        for _,unit in ipairs(units) do unit:update() end
        world:update(dt)
        -- remove
        if for_removal ~= {} then
            for _,unit in ipairs(for_removal) do
                unit:delete()
            end
            for_removal = {}
        end
    end
end

Code: Select all

table.insert(for_removal, some_unit)

Code: Select all

int w_Body_destroy(lua_State * L)
{
	Proxy * p = (Proxy *)lua_touserdata(L, 1);
	p->own = false;

	Body * t = (Body *)p->data;
	t->release();

	return 0;
}

Code: Select all

Body::~Body()
{
	world->world->DestroyBody(body);
	world->release();
	body = 0;
}