LÖVE

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function update(dt) 
	world:update(dt)
	
	mPosX, mPosY = love.mouse.getPosition()
	
	lbPosX, lbPosY = LBarrelBody:getPosition()
	mbPosX, mbPosY = MBarrelBody:getPosition()
	rbPosX, rbPosY = RBarrelBody:getPosition()
	
	LBarrelBody:setAngle(math.deg(math.atan2(mPosY-lbPosY,mPosX-lbPosX)))
	MBarrelBody:setAngle(math.deg(math.atan2(mPosY-mbPosY,mPosX-mbPosX)))
	RBarrelBody:setAngle(math.deg(math.atan2(mPosY-rbPosY,mPosX-rbPosX)))

	for k, v in ipairs(bullets) do
		if v.b:getX() > 1024 or v.b:getX() < 0 or v.b:getY() < 0 then
			table.remove(bullets, k)
		end
	end
end

lastclick = 0
function mousepressed(x1, y1, button)
	if button == love.mouse_left or button == love.mouse_wheeldown or button == love.mouse_wheelup then --and lastclick + 0.1 <= love.timer.getTime() then
		lastclick = love.timer.getTime()
		
		--local spawner
		if x1 < 384 then spawner = LBarrelBody elseif x1 < 640 then spawner = MBarrelBody elseif x1 > 768 then spawner = RBarrelBody end
		if x1 < 384 then spawnerS = LBarrelShape elseif x1 < 640 then spawnerS = MBarrelShape elseif x1 > 768 then spawnerS = RBarrelShape end
		local x2, y2 = spawner:getPosition()
		local sPosX, sPosY = 512, 768
		local sAngle = spawner:getAngle()

		sPosX = x2 + math.cos(sAngle + 180) * 30 --The positions 
		sPosY = y2 + math.sin(sAngle + 180) * 30  --^                 ^

		local t = {}
		t.b = phys.newBody(world, sPosX, sPosY, 1)
		t.s = phys.newCircleShape(t.b, 5)
		t.b:setBullet(true)
		t.s:setData(t)
		table.insert(bullets, t)
		t.b:setVelocity(0,0)
	end
end