------------------------- WeaponLib v4.1 - (c) 2011 xerpi -------------------------
dofile("timer.lua")

weapon = {};
function weapon.new(image,time)
	local obj = {img = image, time = time,bullets={}, nbullets=0,time_act = timer.new(), running = false,current=1,dec=0};
	function obj:blit()
		for k,v in ipairs(self.bullets) do		
			self.img:rotate(v.ang);
			self.img:blit(v.x,v.y);
		end
	end
	function obj:start()
		self.running = true;
		self.time_act:start();
	end
	function obj:stop()
		self.running = false;
		self.time_act:stop();
		self.time_act:reset();
	end
	function obj:shoot(x,y,vel,ang)
		if self.running then
			if self.time_act:time() > self.time then
				table.insert(self.bullets,{vel=vel,x=x,y=y,ang=ang,inc_x = math.cos(math.rad(ang)),inc_y = math.sin(math.rad(ang))});	
				self.time_act:reset();
			end
		else
			self:start();
		end
	end
	function obj:move()
		for k,v in ipairs(self.bullets) do
			v.x = v.x + v.inc_x * v.vel;
			v.y = v.y + v.inc_y * v.vel;
			if v.x > 480 or v.x < 0 or v.y > 272 or v.y < 0 then table.remove(self.bullets,k); end
		end
	end
	function obj:collision(x,y,w,h,deadcollision)
		for k,v in ipairs(self.bullets) do
			if v.x >= x and v.x <= x+w and
			   v.y >= y and v.y <= y+h then
					if deadcollision then
						table.remove(obj.bullets,k);
					end	
					return true;				
			end
		end
	end	
	return obj;
end