code errors when drawing rectangle

[Evil_Bartek]

Here is the code:

Code: Select all

function love.mousepressed(x, y, button)
   if button == "l" then
   	    mx = love.mouse.getX()
	    my = love.mouse.getY()
        drawx = mx
		drawy = my
   end
end

function love.draw()
    love.graphics.rectangle("fill",drawx,drawy,40,40)
end

It says that there is a bad argument in the rectangle.
I triple checked to see the errors but I cant see anything wrong!
Help?

[bartbes]

Are drawx and drawy defined before the mouse is clicked the first time.

I'd also like to point out that mx and my aren't needed, the return values could be stored in drawx and drawy directly, and that you don't need to call getX and getY, because an x and y are already passed to it (and more exact too, due to the timing).

[Evil_Bartek]

So like i should do it in love.update if its possible?

[zipperipper]

Basically

Code: Select all

function love.mousepressed(x, y, button)
	if button == "l" then
		drawx = x
		drawy = y
	end
end

function love.draw()
	if drawx~=nil and drawy~=nil then
		love.graphics.rectangle("fill",drawx,drawy,40,40)
	end
end

This way it wont render the rectangle until you've given a value to drawx and drawy, unless you've declared them in love.load() .
Also use tab to indent code, makes it much neater

[tentus]

Alternative solution, if you only want the rectangle around while you are clicking:

Code: Select all

function love.draw()
   if love.mouse.isDown("l") then
      love.graphics.rectangle("fill", love.mouse.getX(), love.mouse.getY(), 40, 40)
   end
end