setting up master to godot 3

1 files changed, 236 insertions, 0 deletions

diff --git a/ShaderTestScreen.tscn b/ShaderTestScreen.tscn
new file mode 100644
index 0000000..85f1019
--- /dev/null
+++ b/ShaderTestScreen.tscn
@@ -0,0 +1,236 @@
+[gd_scene load_steps=12 format=2]
+
+[ext_resource path="res://sample.png" type="Texture" id=1]
+[ext_resource path="res://white.png" type="Texture" id=2]
+[ext_resource path="res://CRTFrame.png" type="Texture" id=3]
+
+[sub_resource type="Shader" id=1]
+code = "shader_type canvas_item;
+
+uniform float BarrelPower =1.1;
+
+vec2 distort(vec2 p) 
+{
+
+	float angle = p.y / p.x;
+	float theta = atan(p.y,p.x);
+	float radius = pow(length(p), BarrelPower);
+	
+	p.x = radius * cos(theta);
+	p.y = radius * sin(theta);
+	
+	return 0.5 * (p + vec2(1.0,1.0));
+}
+void fragment()
+{
+	
+vec2 xy = SCREEN_UV * 2.0;
+xy.x -= 1.0;
+xy.y -= 1.0;
+
+float d = length(xy);
+if(d < 1.5){
+	xy = distort(xy);
+}
+else{
+	xy = SCREEN_UV;
+}
+COLOR = texture(SCREEN_TEXTURE,xy);
+}
+
+
+
+"
+
+[sub_resource type="ShaderMaterial" id=2]
+shader = SubResource( 1 )
+shader_param/BarrelPower = 1.1
+
+[sub_resource type="Shader" id=3]
+code = "shader_type canvas_item;
+
+uniform float color_bleeding = 0.9;
+uniform float bleeding_range = 2;
+uniform float screen_width = 1024;
+void fragment()
+{
+	float pixel_size = 1.0/screen_width*bleeding_range;
+	vec4 color_left = texture(SCREEN_TEXTURE,SCREEN_UV - vec2(pixel_size, 0));
+	vec4 current_color = texture(SCREEN_TEXTURE,SCREEN_UV);
+	current_color = current_color*vec4(color_bleeding,0.5,0.25,1);
+	color_left = color_left*vec4(0.25,0.5,color_bleeding,1);
+	COLOR.rgba = (current_color + color_left);
+}"
+
+[sub_resource type="ShaderMaterial" id=4]
+shader = SubResource( 3 )
+shader_param/color_bleeding = 0.9
+shader_param/bleeding_range = 2.0
+shader_param/screen_width = 1024.0
+
+[sub_resource type="Shader" id=5]
+code = "shader_type canvas_item;
+
+uniform float lines_distance = 4.0;
+uniform float pixel_size = 2.0;
+uniform float size_screen = 600;
+uniform float scanline_alpha = 0.9;
+uniform float lines_velocity = 30.0;
+
+void fragment()
+{
+	float line_row = floor((SCREEN_UV.y * size_screen/pixel_size) + mod(TIME*lines_velocity, lines_distance));
+
+	float n = 1.0 - ceil((mod(line_row,lines_distance)/lines_distance));
+
+vec4 c = texture(SCREEN_TEXTURE,SCREEN_UV);
+c = c - n*c*(1.0 - scanline_alpha);
+c.a = 1.0;
+COLOR = c;
+}"
+
+[sub_resource type="ShaderMaterial" id=6]
+shader = SubResource( 5 )
+shader_param/lines_distance = 4.0
+shader_param/pixel_size = 2.0
+shader_param/size_screen = 600.0
+shader_param/scanline_alpha = 0.9
+shader_param/lines_velocity = 30.0
+
+[sub_resource type="Shader" id=7]
+code = "shader_type canvas_item;
+
+uniform float screen_width = 1024;
+uniform float screen_height = 600;
+
+// Curvature
+uniform float BarrelPower =1.1;
+// Color bleeding
+uniform float color_bleeding = 1.2;
+uniform float bleeding_range_x = 3;
+uniform float bleeding_range_y = 3;
+// Scanline
+uniform float lines_distance = 4.0;
+uniform float scan_size = 2.0;
+uniform float scanline_alpha = 0.9;
+uniform float lines_velocity = 30.0;
+vec2 distort(vec2 p) 
+{
+
+	float angle = p.y / p.x;
+	float theta = atan(p.y,p.x);
+	float radius = pow(length(p), BarrelPower);
+	
+	p.x = radius * cos(theta);
+	p.y = radius * sin(theta);
+	
+	return 0.5 * (p + vec2(1.0,1.0));
+}
+
+void get_color_bleeding(inout vec4 current_color,inout vec4 color_left){
+
+	current_color = current_color*vec4(color_bleeding,0.5,0.25,1);
+	color_left = color_left*vec4(0.25,0.5,color_bleeding,1);
+}
+
+void get_color_scanline(vec2 uv,inout vec4 c,float time){
+	float line_row = floor((uv.y * screen_height/scan_size) + mod(time*lines_velocity, lines_distance));
+
+	float n = 1.0 - ceil((mod(line_row,lines_distance)/lines_distance));
+
+	c = c - n*c*(1.0 - scanline_alpha);
+	c.a = 1.0;
+
+}
+
+void fragment()
+{
+	
+vec2 xy = SCREEN_UV * 2.0;
+xy.x -= 1.0;
+xy.y -= 1.0;
+
+float d = length(xy);
+if(d < 1.5){
+	xy = distort(xy);
+}
+else{
+	xy = SCREEN_UV;
+}
+
+float pixel_size_x = 1.0/screen_width*bleeding_range_x;
+float pixel_size_y = 1.0/screen_height*bleeding_range_y;
+vec4 color_left = texture(SCREEN_TEXTURE,xy - vec2(pixel_size_x, pixel_size_y));
+vec4 current_color = texture(SCREEN_TEXTURE,xy);
+get_color_bleeding(current_color,color_left);
+vec4 c = current_color+color_left;
+get_color_scanline(xy,c,TIME);
+COLOR = c;
+
+}
+"
+
+[sub_resource type="ShaderMaterial" id=8]
+shader = SubResource( 7 )
+shader_param/screen_width = 1024.0
+shader_param/screen_height = 600.0
+shader_param/BarrelPower = 1.1
+shader_param/color_bleeding = 1.0
+shader_param/bleeding_range_x = 1.0
+shader_param/bleeding_range_y = 1.0
+shader_param/lines_distance = 4.0
+shader_param/scan_size = 2.0
+shader_param/scanline_alpha = 0.9
+shader_param/lines_velocity = 30.0
+
+[node name="Control" type="Control"]
+margin_right = 40.0
+margin_bottom = 40.0
+
+[node name="Sprite" type="Sprite" parent="."]
+texture = ExtResource( 1 )
+centered = false
+
+[node name="Shaders" type="Control" parent="."]
+margin_right = 40.0
+margin_bottom = 40.0
+
+[node name="Curvature" type="TextureRect" parent="Shaders"]
+visible = false
+material = SubResource( 2 )
+margin_right = 1024.0
+margin_bottom = 600.0
+texture = ExtResource( 2 )
+expand = true
+
+[node name="ColorBleeding" type="TextureRect" parent="Shaders"]
+visible = false
+material = SubResource( 4 )
+margin_right = 1024.0
+margin_bottom = 600.0
+texture = ExtResource( 2 )
+expand = true
+
+[node name="ScanLine" type="TextureRect" parent="Shaders"]
+visible = false
+material = SubResource( 6 )
+margin_right = 1024.0
+margin_bottom = 600.0
+texture = ExtResource( 2 )
+expand = true
+
+[node name="CRT" type="TextureRect" parent="Shaders"]
+material = SubResource( 8 )
+margin_right = 1024.0
+margin_bottom = 600.0
+texture = ExtResource( 2 )
+expand = true
+__meta__ = {
+"_edit_use_anchors_": false
+}
+
+[node name="CRTFrame" type="TextureRect" parent="."]
+margin_right = 1082.0
+margin_bottom = 812.0
+rect_scale = Vector2( 0.946396, 0.738916 )
+texture = ExtResource( 3 )