View difference between Paste ID: 9BgUyn3L and ix9hfFfQ

 
 ruler = {}
 
 ruler.active = false
 ruler.aHeld = false
 ruler.sHeld = false
 ruler.rx = 0
 ruler.ry = 0
 
 function ruler.draw()
 	if ruler.active then
 		local mx, my =  tpt.mousex, tpt.mousey
 		tpt.drawline(ruler.rx - 2, ruler.ry, ruler.rx + 2, ruler.ry, 255, 255, 255, 127)
 		tpt.drawline(ruler.rx, ruler.ry - 2, ruler.rx, ruler.ry + 2, 255, 255, 255, 127)
 		if ruler.aHeld then
 			tpt.drawline(ruler.rx, ruler.ry, mx, my, 49, 193, 226, 95)
 		end
 		tpt.drawtext(mx + 11, my + 11, tostring(math.floor(((ruler.rx - mx) ^ 2 + (ruler.ry - my) ^ 2) ^ 0.5 * 100) / 100), 49, 193, 226, 159)
 	end
 end
-function ruler.key(char, _, _,event)
+
-	if char == "a" then
+function ruler.key(_, key, _,event)
-		ruler.aHeld = event == 1
+	local e = (event + 2) % 2 == 1
 	if key == 304 then
 		ruler.sHeld = e
 	end
 	if key == 308 then
-	if e == 1 then
+		ruler.aHeld = e and not ruler.sHeld
-		if not ruler.active then
+
-			if ruler.aHeld then
+
 
-				ruler.rx = mx
+
-				ruler.ry = my
+	if e == 1 or e == 3 then
-				return false
+
 			if not ruler.active then
-		else
+
-			ruler.active = false
+
 			ruler.rx = mx
 			ruler.ry = my
 			return false
 		elseif ruler.active then
 			ruler.active = true
 			return false
 		end
 	end
 end
 
 
 tpt.register_mouseclick(ruler.mouse)
 tpt.register_keypress(ruler.key)
 tpt.register_step(ruler.draw)
 
 tpt.log("ruler loaded")