diff --git a/main.py b/main.py
index db729cd..7ba570e 100755
--- a/main.py
+++ b/main.py
@@ -75,12 +75,26 @@ def cap(rN):
         return 0
     return rN
 
+def renderDebugInfo(gPlayer, clock, fontSize = 18):
+    font = pygame.freetype.Font(None, fontSize)
+    font_fg = (255, 255, 255)
+    font_bg = (255, 255, 255, 80)
+
+    fps_surf = font.render("FPS: " + str(int(clock.get_fps())), font_fg, font_bg)[0]
+    cPos_surf = font.render("cPos: " + str(gPlayer.cPos), font_fg, font_bg)[0]
+    cRot_surf = font.render("cRot: " + str(gPlayer.cRot), font_fg, font_bg)[0]
+
+    return fps_surf, cPos_surf, cRot_surf
+
 def mainLoop():
     gPlayer = GyroVector(0,1)
     display = pygame.display.set_mode((1280,720))
-    font = pygame.freetype.Font(None,18)
+    clock = pygame.time.Clock()
+    fontSize = 18
+    debugInfo = True
+
     while True:
-        framestart = time_ns()
+        #framestart = time_ns()
 
         for event in pygame.event.get():
             if event.type == pygame.QUIT:
@@ -97,6 +111,9 @@ def mainLoop():
             gPlayer -= GyroVector(OFFSET * gPlayer.cRot, 1)
         if keys[pygame.K_s]:
             gPlayer += GyroVector(OFFSET * gPlayer.cRot, 1)
+        if keys[pygame.K_F3]:
+            debugInfo = not debugInfo
+
         display.fill(WHITE)
         #pygame.draw.rect(display,BLACK, c_tr(Poincare2Klein(gPlayer.cPos) * -100) + (100,100),0)
         drawn = draw(level,gPlayer,PI/2,160)
@@ -106,18 +123,23 @@ def mainLoop():
         for i in drawn:
             pygame.draw.rect(display,i.color, (n,(1 - i.height) * 360,8,cap(i.height) * 1280))
             n += 8
-        for i in level:
-            a = complex(Poincare2Klein(MobiusAdd(i.pointA,-gPlayer.cPos)))
-            b = complex(Poincare2Klein(MobiusAdd(i.pointB,-gPlayer.cPos)))
-            print(a,b)
-            pygame.draw.line(display, WHITE, (a.real * 100 + 100, (a.imag * 100 + 200)), (b.real * 100 + 100, (b.imag * 100 + 200)))
-        font.render_to(display, (8, 8), "cPos: " + str(gPlayer.cPos), (255, 255, 255), (0, 0, 0))
-        font.render_to(display, (8, 26), "cRot: " + str(gPlayer.cRot), (255, 255, 255), (0, 0, 0))
+
+        if debugInfo:
+            fps_surf, cPos_surf, cRot_surf = renderDebugInfo(gPlayer, clock, fontSize)
+
+            display.blit(fps_surf, (0, 0))
+            display.blit(cPos_surf, (0, fps_surf.get_height()))
+            display.blit(cRot_surf, (0, fps_surf.get_height() + fontSize))
+            for i in level:
+                a = complex(Poincare2Klein(MobiusAdd(i.pointA,-gPlayer.cPos)))
+                b = complex(Poincare2Klein(MobiusAdd(i.pointB,-gPlayer.cPos)))
+                print(a,b)
 
         pygame.display.update()
 
-        frameend = time_ns()
-        sleep((frameend-framestart) / F_)
+        #frameend = time_ns()
+        clock.tick()
+        #sleep((frameend-framestart) / F_)
     return True
 
 def main():