function hit(
	x1,y1,
	w1,h1,
	x2,y2,
	w2,h2)

	local hit = false

	local xs = w1*0.5+w2*0.5
	local ys = h1*0.5+h2*0.5
	local xd = abs((x1+(w1/2)-(x2+(w2/2))))
	local yd = abs((y1+(h1/2)-(y2+(h2/2))))

	if xd<xs and yd<ys then
		hit = true
	end

	return hit

end


function collide(mx,my,n)

	local x1 = mx/8
	local y1 = my/8
	local x2=(mx+7)/8
	local y2=(my+7)/8

	local a=fget(mget(x1,y1),n)
	local b=fget(mget(x1,y2),n)
	local c=fget(mget(x2,y2),n)
	local d=fget(mget(x2,y1),n)

	if a or b or c or d then
		return true
	else
		return false
	end

end