-Fixed a few bugs in Viewport

-Made a few demos using Viewport to show it's true power!
-Fixed some start-up error messages.

1 files changed, 44 insertions, 0 deletions

diff --git a/demos/viewport/gui_in_3d/gui_3d.gd b/demos/viewport/gui_in_3d/gui_3d.gd
new file mode 100644
index 0000000000..5309db9acb
--- /dev/null
+++ b/demos/viewport/gui_in_3d/gui_3d.gd
@@ -0,0 +1,44 @@
+
+extends Spatial
+
+# member variables here, example:
+# var a=2
+# var b="textvar"
+
+var prev_pos=null
+
+func _input(ev):
+	if (ev.type in [InputEvent.MOUSE_BUTTON,InputEvent.MOUSE_MOTION]):
+		var pos = ev.pos
+		var rfrom = get_node("camera").project_ray_origin(pos)
+		var rnorm = get_node("camera").project_ray_normal(pos)
+		
+		#simple collision test against aligned plane
+		#for game UIs of this kind consider more complex collision against plane
+		var p = Plane(Vector3(0,0,1),0).intersects_ray(rfrom,rnorm)
+		if (p==null):
+			return
+			
+		pos.x=(p.x+1.5)*100
+		pos.y=(-p.y+0.75)*100
+		ev.pos=pos
+		ev.global_pos=pos
+		if (prev_pos==null):
+			prev_pos=pos
+		if (ev.type==InputEvent.MOUSE_MOTION):
+			ev.relative_pos=pos-prev_pos
+		prev_pos=pos
+		
+	get_node("viewport").input(ev)
+		
+		
+	
+
+func _ready():
+	# Initalization here
+	get_node("quad").get_material_override().set_texture(FixedMaterial.PARAM_DIFFUSE, get_node("viewport").get_render_target_texture() )
+	set_process_input(true)
+	
+	pass
+
+