--- a/tests/test_panel.nim	Sat Feb 10 15:54:25 2024 +0700
+++ b/tests/test_panel.nim	Sat Feb 10 15:55:05 2024 +0700
@@ -9,16 +9,44 @@
   engine.initRenderer([])
 
   # build scene
-  var scene = Scene(name: "main")
-  var panel = Panel(position: newVec2f(0, 0), size: newVec2f(0.1, 0.1))
+  var
+    font = loadFont("DejaVuSans.ttf", lineHeightPixels = 210'f32)
+    scene = Scene(name: "main")
+    origin = initPanel(size = newVec2f(0.01, 0.01), color = newVec4f(0, 0, 0, 1))
+    panel = initPanel(size = newVec2f(0.2, 0.2), color = newVec4f(1, 0, 0, 1))
+    help_text = font.initText("""Controls
+
+Horizontal alignment:
+  F1: Left
+  F2: Center
+  F3: Right
+Vertical alignment:
+  F4: Top
+  F5: Center
+  F6: Bottom""", scale = 0.0002, position = newVec2f(-0.9, -0.9), horizontalAlignment = Left, verticalAlignment = Top)
 
   scene.add panel
+  scene.add help_text
+  scene.add origin
   engine.loadScene(scene)
 
   while engine.updateInputs() == Running and not engine.keyIsDown(Escape):
     if engine.windowWasResized():
       var winSize = engine.getWindow().size
       panel.aspect_ratio = winSize[0] / winSize[1]
+      origin.aspect_ratio = winSize[0] / winSize[1]
+      help_text.aspect_ratio = winSize[0] / winSize[1]
+
+    if engine.keyWasPressed(F1): panel.horizontalAlignment = Left
+    elif engine.keyWasPressed(F2): panel.horizontalAlignment = Center
+    elif engine.keyWasPressed(F3): panel.horizontalAlignment = Right
+    elif engine.keyWasPressed(F4): panel.verticalAlignment = Top
+    elif engine.keyWasPressed(F5): panel.verticalAlignment = Center
+    elif engine.keyWasPressed(F6): panel.verticalAlignment = Bottom
+
+    panel.refresh()
+    origin.refresh()
+    help_text.refresh()
 
     engine.renderScene(scene)
   engine.destroy()