From c3e8c9bab4756919c4a270c87a7cbe15458ed282 Mon Sep 17 00:00:00 2001 From: MohabMohamed Date: Tue, 6 Mar 2018 23:56:15 +0200 Subject: Curvature done in godot 3 --- godot3/ShaderTestScreen.tscn | 109 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 109 insertions(+) create mode 100644 godot3/ShaderTestScreen.tscn (limited to 'godot3/ShaderTestScreen.tscn') diff --git a/godot3/ShaderTestScreen.tscn b/godot3/ShaderTestScreen.tscn new file mode 100644 index 0000000..9355bce --- /dev/null +++ b/godot3/ShaderTestScreen.tscn @@ -0,0 +1,109 @@ +[gd_scene load_steps=5 format=2] + +[ext_resource path="res://sample.png" type="Texture" id=1] +[ext_resource path="res://white.png" type="Texture" id=2] + +[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 = textureLod(SCREEN_TEXTURE,xy,0); +} + + + +" + +[sub_resource type="ShaderMaterial" id=2] + +render_priority = 0 +shader = SubResource( 1 ) +shader_param/BarrelPower = 1.1 +_sections_unfolded = [ "shader_param" ] + +[node name="Control" type="Control" index="0"] + +anchor_left = 0.0 +anchor_top = 0.0 +anchor_right = 0.0 +anchor_bottom = 0.0 +margin_right = 40.0 +margin_bottom = 40.0 +rect_pivot_offset = Vector2( 0, 0 ) +rect_clip_content = false +mouse_filter = 0 +mouse_default_cursor_shape = 0 +size_flags_horizontal = 1 +size_flags_vertical = 1 +_sections_unfolded = [ "Rect" ] + +[node name="Sprite" type="Sprite" parent="." index="0"] + +texture = ExtResource( 1 ) +centered = false +_sections_unfolded = [ "Offset" ] + +[node name="Shaders" type="Control" parent="." index="1"] + +anchor_left = 0.0 +anchor_top = 0.0 +anchor_right = 0.0 +anchor_bottom = 0.0 +margin_right = 40.0 +margin_bottom = 40.0 +rect_pivot_offset = Vector2( 0, 0 ) +rect_clip_content = false +mouse_filter = 0 +mouse_default_cursor_shape = 0 +size_flags_horizontal = 1 +size_flags_vertical = 1 + +[node name="Curvature" type="TextureRect" parent="Shaders" index="0"] + +material = SubResource( 2 ) +anchor_left = 0.0 +anchor_top = 0.0 +anchor_right = 0.0 +anchor_bottom = 0.0 +margin_right = 1024.0 +margin_bottom = 600.0 +rect_pivot_offset = Vector2( 0, 0 ) +rect_clip_content = false +mouse_filter = 1 +mouse_default_cursor_shape = 0 +size_flags_horizontal = 1 +size_flags_vertical = 1 +texture = ExtResource( 2 ) +expand = true +stretch_mode = 0 +_sections_unfolded = [ "Material", "Mouse", "Rect" ] + + -- cgit v1.2.3