rect.lua

rect = {}
setmetatable(rect,rect)
function rect:__index(key)
	return rawget(rect,key)
end
function rect:collide(other)
	return self:__basecollide(other) or other:__basecollide(self)
end
function rect:__basecollide(other)
	if (other.x >= self.x and other.x <= self.endx) or (other.endx >= self.x and other.endx <= self.endx) or (other.x <= self.x and other.endx >= self.x) then
		if (other.y >= self.y and other.y <= self.endy) or (other.endy >= self.y and other.endy <= self.endy) or (other.y <= self.y and other.endy >= self.y) then
			return true
		end
	end
	return false
end
function rect:__call(x,y,width,height)
	local nt = {x=x,y=y,width=width,height=height,endx=x+width,endy=y+height}
	setmetatable(nt,self)
	return nt
end

function rect:setX(nx)
	self.x = nx
	self.endx = nx+self.width
end

function rect:setY(ny)
	self.y = ny
	self.endy = ny+self.height
end

return rect