From 650e13f3cd68c9b45879a905548c34e9fb5bb46f Mon Sep 17 00:00:00 2001
From: Juan Linietsky <reduzio@gmail.com>
Date: Thu, 12 Mar 2015 01:05:50 -0300
Subject: back buffer copy node, to improve on texscreen()

back buffer copy node and respective demo
---
 demos/2d/texscreen/bubble.png  | Bin 0 -> 18619 bytes
 demos/2d/texscreen/bubbles.gd  |  17 +++++++++++++++++
 demos/2d/texscreen/bubbles.scn | Bin 0 -> 1456 bytes
 demos/2d/texscreen/burano.png  | Bin 0 -> 974437 bytes
 demos/2d/texscreen/engine.cfg  |   4 ++++
 demos/2d/texscreen/lens.gd     |  37 +++++++++++++++++++++++++++++++++++++
 demos/2d/texscreen/lens.scn    | Bin 0 -> 1805 bytes
 7 files changed, 58 insertions(+)
 create mode 100644 demos/2d/texscreen/bubble.png
 create mode 100644 demos/2d/texscreen/bubbles.gd
 create mode 100644 demos/2d/texscreen/bubbles.scn
 create mode 100644 demos/2d/texscreen/burano.png
 create mode 100644 demos/2d/texscreen/engine.cfg
 create mode 100644 demos/2d/texscreen/lens.gd
 create mode 100644 demos/2d/texscreen/lens.scn

(limited to 'demos/2d/texscreen')

diff --git a/demos/2d/texscreen/bubble.png b/demos/2d/texscreen/bubble.png
new file mode 100644
index 0000000000..021abba601
Binary files /dev/null and b/demos/2d/texscreen/bubble.png differ
diff --git a/demos/2d/texscreen/bubbles.gd b/demos/2d/texscreen/bubbles.gd
new file mode 100644
index 0000000000..2ee227a928
--- /dev/null
+++ b/demos/2d/texscreen/bubbles.gd
@@ -0,0 +1,17 @@
+
+extends Control
+
+# member variables here, example:
+# var a=2
+# var b="textvar"
+
+const MAX_BUBBLES=10
+
+func _ready():
+	# Initialization here
+	for i in range(MAX_BUBBLES):
+		var bubble = preload("res://lens.scn").instance()
+		add_child(bubble)
+	pass
+
+
diff --git a/demos/2d/texscreen/bubbles.scn b/demos/2d/texscreen/bubbles.scn
new file mode 100644
index 0000000000..779cba6930
Binary files /dev/null and b/demos/2d/texscreen/bubbles.scn differ
diff --git a/demos/2d/texscreen/burano.png b/demos/2d/texscreen/burano.png
new file mode 100644
index 0000000000..6eec09d585
Binary files /dev/null and b/demos/2d/texscreen/burano.png differ
diff --git a/demos/2d/texscreen/engine.cfg b/demos/2d/texscreen/engine.cfg
new file mode 100644
index 0000000000..58193c8c4a
--- /dev/null
+++ b/demos/2d/texscreen/engine.cfg
@@ -0,0 +1,4 @@
+[application]
+
+name="Glass Bubbles (Texscreen)"
+main_scene="res://bubbles.scn"
diff --git a/demos/2d/texscreen/lens.gd b/demos/2d/texscreen/lens.gd
new file mode 100644
index 0000000000..2ccbfba497
--- /dev/null
+++ b/demos/2d/texscreen/lens.gd
@@ -0,0 +1,37 @@
+
+extends BackBufferCopy
+
+# member variables here, example:
+# var a=2
+# var b="textvar"
+const MOTION_SPEED=150
+
+var vsize;
+var dir;
+
+func _process(delta):
+	var pos = get_pos() + dir * delta * MOTION_SPEED
+	
+	if (pos.x<0):
+		dir.x=abs(dir.x)
+	elif (pos.x>vsize.x):
+		dir.x=-abs(dir.x)
+
+	if (pos.y<0):
+		dir.y=abs(dir.y)
+	elif (pos.y>vsize.y):
+		dir.y=-abs(dir.y)
+		
+	set_pos(pos)
+
+func _ready():
+	vsize = get_viewport_rect().size
+	var pos = vsize * Vector2(randf(),randf());
+	set_pos(pos);
+	dir = Vector2(randf()*2.0-1,randf()*2.0-1).normalized()
+	set_process(true)
+	
+	# Initialization here
+	pass
+
+
diff --git a/demos/2d/texscreen/lens.scn b/demos/2d/texscreen/lens.scn
new file mode 100644
index 0000000000..5c6f8b7af8
Binary files /dev/null and b/demos/2d/texscreen/lens.scn differ
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