-- The bouncing bullets attack from the documentation example.
spawntimer = 0
bullets = {}
actbt = {}
Arena.Resize(128, 512)

function Update()
    spawntimer = spawntimer + 1
    if spawntimer%15 == 0 then
        local posx = 15 - math.random(30)
        local posy = Arena.height/2
        local bullet = CreateProjectile('money2', posx, posy)
		
        bullet.SetVar('velx', 1 - 2*math.random())
        bullet.SetVar('vely', 0)
        table.insert(bullets, bullet)
    end
	
	--[[if spawntimer == 200 then
		local posx = 15 - math.random(30)
        local posy = Arena.height/2
        local actBt = CreateProjectile('UI/actbt_0', posx, posy)
        actBt.SetVar('velx', 1 - 2*math.random())
        actBt.SetVar('vely', 0)
		actBt.SetVar('harmless', true)
        table.insert(actbt, actBt)
	end
    --]]
    for i=1,#bullets do
        local bullet = bullets[i]
        local velx = bullet.GetVar('velx')
        local vely = bullet.GetVar('vely')
        local newposx = bullet.x + velx
        local newposy = bullet.y + vely
        vely = vely - 0.04
        bullet.MoveTo(newposx, newposy)
        bullet.SetVar('vely', vely)
    end
	
	for i=1,#actbt do
        local actBt = actbt[i]
        local velx = actBt.GetVar('velx')
        local vely = actBt.GetVar('vely')
        local newposx = actBt.x + velx
        local newposy = actBt.y + vely
        vely = vely - 0.02
		actBt.sprite.rotation = actBt.sprite.rotation + 5
		actBt.MoveTo(newposx, newposy)
        actBt.SetVar('vely', vely)
    end
	
	function OnHit(actBt)
		if actBt.GetVar('harmless') == true then
		
		else
			Player.Hurt(3)
		end
	end
end