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Code Issues Releases Wiki Activity

RGB Shift effect now looks much better.

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This commit is contained in:
Filippo Scognamiglio
2018-10-28 23:54:56 +01:00
parent 2ea119fb31
commit a2e689a0dc
1 changed files with 10 additions and 9 deletions
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19
app/qml/ShaderTerminal.qml
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@@ -44,7 +44,7 @@ ShaderEffect {
property real chromaColor: appSettings.chromaColor;
property real rbgShift: appSettings.rbgShift * 0.2 * (appSettings.chromaColor !== 0 ? 1.0 : 0.0)
property real rbgShift: (appSettings.rbgShift / width) * (appSettings.chromaColor !== 0 ? 1.0 : 0.0)
property real flickering: appSettings.flickering
property real horizontalSync: appSettings.horizontalSync * 0.5
@@ -264,7 +264,7 @@ ShaderEffect {
noise += distortionScale * 7.0;" : "")
: "") +
(jitter !== 0 || staticNoise !== 0 ?
(jitter !== 0 || staticNoise !== 0 || rbgShift !== 0 ?
"vec4 noiseTexel = texture2D(noiseSource, scaleNoiseSize * coords + vec2(fract(time / 51.0), fract(time / 237.0)));"
: "") +
@@ -286,13 +286,14 @@ ShaderEffect {
"txt_color *= min2(step(vec2(0.0), staticCoords) - step(vec2(1.0), staticCoords));" +
(rbgShift !== 0 ? "
float rgb_noise = abs(texture2D(noiseSource, vec2(fract(time/(1024.0 * 128.0)), fract(time/(1024.0*512.0)))).a - 0.5);
vec2 baseDisplacement = vec2(0.02, 0.0) * rbgShift;
vec2 randomDisplacement = vec2(0.05, 0.0) * rbgShift * rgb_noise;
float rcolor = texture2D(source, txt_coords + baseDisplacement + randomDisplacement).r;
float bcolor = texture2D(source, txt_coords - baseDisplacement - randomDisplacement).b;
txt_color.r = rcolor;
txt_color.b = bcolor;" : "") +
vec2 displacement = vec2(32.0, 0.0) * rbgShift * noiseTexel.r;
vec3 rightColor = texture2D(source, txt_coords + displacement).rgb;
vec3 leftColor = texture2D(source, txt_coords - displacement).rgb;
vec3 rgbShiftColor = vec3(0.0);
rgbShiftColor.r = leftColor.r * 0.15 + rightColor.r * 0.7 + txt_color.r * 0.15;
rgbShiftColor.g = leftColor.g * 0.15 + rightColor.g * 0.15 + txt_color.g * 0.7;
rgbShiftColor.b = leftColor.b * 0.7 + rightColor.b * 0.15 + txt_color.b * 0.15;
txt_color = max(txt_color, (rgbShiftColor - txt_color));" : "") +
(burnIn !== 0 ? "
vec4 txt_blur = texture2D(blurredSource, txt_coords);