Add README files to categories

2d/README.md

@@ -0,0 +1,8 @@
+# 2D Demos
+
+These demos are all 2D, but otherwise do not have a common theme.
+
+Languages: Most have GDScript, some have
+[GDSL](https://docs.godotengine.org/en/latest/tutorials/shading/shading_reference/shading_language.html)
+
+Renderers: 6 of them are GLES 3, but most are GLES 2

2d/screen_space_shaders/README.md

@@ -5,7 +5,7 @@ Many common full-res effects are implemented here for reference.
 
 Language: [GDSL](https://docs.godotengine.org/en/latest/tutorials/shading/shading_reference/shading_language.html) and GDScript
 
-Renderer: GLES 3
+Renderer: GLES 3 (the blur effect is not available in GLES 2, the rest work)
 
 ## Screenshots
 

3d/README.md

@@ -0,0 +1,7 @@
+# 3D Demos
+
+These demos are all 3D, but otherwise do not have a common theme.
+
+Languages: All are GDScript
+
+Renderers: Truck Town and Physics Tests are GLES 2, the rest are GLES 3

audio/README.md

@@ -0,0 +1,7 @@
+# Audio Demos
+
+These demos showcase various audio features.
+
+Languages: All are GDScript
+
+Renderers: All are GLES 2

gui/README.md

@@ -0,0 +1,8 @@
+# GUI Demos
+
+These demos showcase GUI features and text features via
+[`Control`](https://docs.godotengine.org/en/latest/classes/class_control.html) nodes.
+
+Languages: All are GDScript, except SDF has no code
+
+Renderers: All are GLES 2

gui/drag_and_drop/drag_drop_script.gd

@@ -1,12 +1,12 @@
 extends ColorPickerButton
 
 func get_drag_data(_pos):
-	# Use another colorpicker as drag preview
+	# Use another colorpicker as drag preview.
 	var cpb = ColorPickerButton.new()
 	cpb.color = color
 	cpb.rect_size = Vector2(50, 50)
 	set_drag_preview(cpb)
-	# Return color as drag data
+	# Return color as drag data.
 	return color
 
 

gui/rich_text_bbcode/rich_text_bbcode.gd

@@ -2,7 +2,7 @@ extends Panel
 
 func _on_RichTextLabel_meta_clicked(meta):
 	var err = OS.shell_open(meta)
-	if (err == OK):
+	if err == OK:
 		print("Opened link '%s' successfully!" % meta)
 	else:
 		print("Failed opening the link '%s'!" % meta)

gui/sdf_font/README.md

@@ -4,7 +4,7 @@ This is a demo of Signed Distance Field fonts in Godot.
 The technique used allows the text to remain clear
 under arbitrary zooms and rotations.
 
-Language: GDScript
+Language: This demo contains no code.
 
 Renderer: GLES 3 (this effect is not available in GLES 2)
 

loading/README.md

@@ -0,0 +1,7 @@
+# Loading Demos
+
+These demos demonstrate various ways to load scenes and other data.
+
+Languages: All are GDScript
+
+Renderers: All are GLES 2

misc/README.md

@@ -0,0 +1,10 @@
+# Miscellaneous Demos
+
+These demos don't fit into any other category, so they go into this folder.
+
+Languages: All have GDScript, OpenSimplexNoise has
+[GDSL](https://docs.godotengine.org/en/latest/tutorials/shading/shading_reference/shading_language.html),
+OS test has some
+[C#](https://docs.godotengine.org/en/latest/getting_started/scripting/c_sharp/index.html)
+
+Renderers: All are GLES 2

mobile/README.md

@@ -4,6 +4,6 @@ These demos depend on features only available in mobile phones or tablets.
 
 The Android IAP demo only runs on Android.
 
-Language: All are GDScript
+Languages: All are GDScript
 
-Renderer: All are GLES 2
+Renderers: All are GLES 2

mono/README.md

@@ -1,3 +1,13 @@
+# Mono Demos
+
+These demos are written in [C#](https://docs.godotengine.org/en/latest/getting_started/scripting/c_sharp/index.html).
+You must have the Mono version of Godot to run these.
+
+Languages: All have [C#](https://docs.godotengine.org/en/latest/getting_started/scripting/c_sharp/index.html),
+2.5D has some GDScript
+
+Renderers: Dodge the Creeps is GLES 3, rest are GLES 2
+
 # Note: Godot 3.2.2 or newer is required
 
 While most of the demos work with any 3.2.x version, these demos require

networking/README.md

@@ -0,0 +1,7 @@
+# Networking Demos
+
+These demos showcase networking and/or multiplayer features.
+
+Languages: All have GDScript, WebRTC uses some GDNative
+
+Renderers: Multiplayer Bomber is GLES 3, rest are GLES 2

networking/multiplayer_bomber/README.md

@@ -6,7 +6,7 @@ should type in his address and press "play".
 
 Language: GDScript
 
-Renderer: GLES 2
+Renderer: GLES 3
 
 ## Screenshots
 

viewport/README.md

@@ -0,0 +1,9 @@
+# Viewport Demos
+
+These demos showcase various ways to use the
+[`Viewport`](https://docs.godotengine.org/en/stable/classes/class_viewport.html) node.
+
+Languages: All have GDScript, Dynamic Split Screen has
+[GDSL](https://docs.godotengine.org/en/latest/tutorials/shading/shading_reference/shading_language.html)
+
+Renderers: 3D in 2D and GUI in 3D use GLES 3, the rest are GLES 2

visual_script/README.md

@@ -0,0 +1,8 @@
+# VisualScript Demos
+
+These demos are written in [VisualScript](https://docs.godotengine.org/en/latest/getting_started/scripting/visual_script/index.html).
+
+Languages: All are [VisualScript](https://docs.godotengine.org/en/latest/getting_started/scripting/visual_script/index.html),
+Multitouch View has some GDScript
+
+Renderers: All are GLES 2