From 0edaddac2193bb84de5b9bd915ac9264de6fe8e8 Mon Sep 17 00:00:00 2001 From: Henrique Alves Date: Tue, 26 Jul 2022 13:01:56 -0300 Subject: created addon folder --- addons/crt_shader/CRTFrame.png | Bin 0 -> 17559 bytes addons/crt_shader/CRTFrame.png.import | 35 +++++++++++++++++ addons/crt_shader/CRTShader.shader | 65 ++++++++++++++++++++++++++++++++ addons/crt_shader/ShaderScreen.material | Bin 0 -> 395 bytes addons/crt_shader/crt_shader.gd | 10 +++++ addons/crt_shader/plugin.cfg | 7 ++++ 6 files changed, 117 insertions(+) create mode 100644 addons/crt_shader/CRTFrame.png create mode 100644 addons/crt_shader/CRTFrame.png.import create mode 100644 addons/crt_shader/CRTShader.shader create mode 100644 addons/crt_shader/ShaderScreen.material create mode 100644 addons/crt_shader/crt_shader.gd create mode 100644 addons/crt_shader/plugin.cfg (limited to 'addons/crt_shader') diff --git a/addons/crt_shader/CRTFrame.png b/addons/crt_shader/CRTFrame.png new file mode 100644 index 0000000..9c5ca46 Binary files /dev/null and b/addons/crt_shader/CRTFrame.png differ diff --git a/addons/crt_shader/CRTFrame.png.import b/addons/crt_shader/CRTFrame.png.import new file mode 100644 index 0000000..0ecb5d8 --- /dev/null +++ b/addons/crt_shader/CRTFrame.png.import @@ -0,0 +1,35 @@ +[remap] + +importer="texture" +type="StreamTexture" +path="res://.import/CRTFrame.png-872eedb156a5c6ffe1f1a64a1e49445b.stex" +metadata={ +"vram_texture": false +} + +[deps] + +source_file="res://addons/crt_shader/CRTFrame.png" +dest_files=[ "res://.import/CRTFrame.png-872eedb156a5c6ffe1f1a64a1e49445b.stex" ] + +[params] + +compress/mode=0 +compress/lossy_quality=0.7 +compress/hdr_mode=0 +compress/bptc_ldr=0 +compress/normal_map=0 +flags/repeat=0 +flags/filter=true +flags/mipmaps=false +flags/anisotropic=false +flags/srgb=2 +process/fix_alpha_border=true +process/premult_alpha=false +process/HDR_as_SRGB=false +process/invert_color=false +process/normal_map_invert_y=false +stream=false +size_limit=0 +detect_3d=true +svg/scale=1.0 diff --git a/addons/crt_shader/CRTShader.shader b/addons/crt_shader/CRTShader.shader new file mode 100644 index 0000000..d7e8afd --- /dev/null +++ b/addons/crt_shader/CRTShader.shader @@ -0,0 +1,65 @@ +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,0.5,1.0-color_bleeding,1); + color_left = color_left*vec4(1.0-color_bleeding,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; + +} diff --git a/addons/crt_shader/ShaderScreen.material b/addons/crt_shader/ShaderScreen.material new file mode 100644 index 0000000..6ca3664 Binary files /dev/null and b/addons/crt_shader/ShaderScreen.material differ diff --git a/addons/crt_shader/crt_shader.gd b/addons/crt_shader/crt_shader.gd new file mode 100644 index 0000000..49e712e --- /dev/null +++ b/addons/crt_shader/crt_shader.gd @@ -0,0 +1,10 @@ +tool +extends EditorPlugin + + +func _enter_tree(): + pass + + +func _exit_tree(): + pass diff --git a/addons/crt_shader/plugin.cfg b/addons/crt_shader/plugin.cfg new file mode 100644 index 0000000..a267e3e --- /dev/null +++ b/addons/crt_shader/plugin.cfg @@ -0,0 +1,7 @@ +[plugin] + +name="CRT Shader" +description="A Simple CRT Shader material" +author="Henrique Alves" +version="1.0" +script="crt_shader.gd" -- cgit v1.2.3