sascha/cool-retro-term
1
0
Fork 0
mirror of https://github.com/Swordfish90/cool-retro-term.git synced 2025-01-31 02:01:19 +00:00
Code Issues Releases Wiki Activity

Sligtly dim screen near the borders. Noise is now stronger near the center of the screen.

Browse Source
This commit is contained in:
Filippo Scognamiglio 2014-03-26 01:22:02 +01:00
parent cfe6c559a4
commit ab57ada5df
2 changed files with 12 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
app/ShaderManager.qml
View File

@ -43,7 +43,7 @@ ShaderEffect {
}
//Manage brightness the function might be improved
//Manage brightness (the function might be improved)
property real screen_flickering: shadersettings.screen_flickering
property real _A: 0.5 + Math.random() * 0.2
property real _B: 0.3 + Math.random() * 0.2
@ -56,7 +56,6 @@ ShaderEffect {
_B * Math.sin(b * time) +
_C * Math.cos(c * time))
property real deltay: 3 / terminal.height
property real deltax: 3 / terminal.width
property real horizontal_distortion: 0.0
@ -103,12 +102,6 @@ ShaderEffect {
return abs(sin(pos.y * txt_Size.y)) * 0.5;
}" +
(screen_distorsion !== 0 ?
"vec2 distortCoordinates(vec2 coords){
vec2 cc = coords - vec2(0.5);
float dist = dot(cc, cc) * screen_distorsion ;
return (coords + cc * (1.0 + dist) * dist);
}" : "") +
(glowing_line_strength !== 0 ?
"float randomPass(vec2 coords){
@ -117,7 +110,13 @@ ShaderEffect {
"void main() {" +
(screen_distorsion !== 0 ? "vec2 coords = distortCoordinates(qt_TexCoord0);" : "vec2 coords = qt_TexCoord0;") +
"vec2 cc = vec2(0.5) - qt_TexCoord0;" +
"float distance = length(cc);" +
(screen_distorsion !== 0 ?
"float distortion = dot(cc, cc) * screen_distorsion;
vec2 coords = (qt_TexCoord0 - cc * (1.0 + distortion) * distortion);"
:"vec2 coords = qt_TexCoord0;") +
(horizontal_distortion !== 0 ?
"float distortion = (sin(coords.y * 20.0 * fract(time * 0.1) + sin(fract(time * 0.2))) + sin(time * 0.05));
@ -129,17 +128,16 @@ ShaderEffect {
"float scanline_alpha = getScanlineIntensity(coords);" : "float scanline_alpha = 0.0;") +
(noise_strength !== 0 ?
"color += stepNoise(coords) * noise_strength;" : "") +
"color += stepNoise(coords) * noise_strength * (1.0 - distance * distance * 2.0);" : "") +
(glowing_line_strength !== 0 ?
"color += randomPass(coords) * glowing_line_strength;" : "") +
"vec3 finalColor = mix(background_color, font_color, color).rgb;
finalColor = mix(finalColor, vec3(0.0), scanline_alpha);" +
"vec3 finalColor = mix(background_color, font_color, color).rgb;" +
"finalColor = mix(finalColor * 1.1, vec3(0.0), 1.2 * distance * distance + scanline_alpha);" +
(screen_flickering !== 0 ?
"finalColor = mix(finalColor, vec3(0.0), brightness);" : "") +
"gl_FragColor = vec4(finalColor, 1.0);
}"
}

2
app/app.qmlproject.user
View File

@ -1,6 +1,6 @@
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE QtCreatorProject>
<!-- Written by QtCreator 3.0.1, 2014-03-25T13:54:12. -->
<!-- Written by QtCreator 3.0.1, 2014-03-26T00:30:22. -->
<qtcreator>
<data>
<variable>ProjectExplorer.Project.ActiveTarget</variable>