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Add parameters to TapeNoise

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This commit is contained in:
Edwin Jakobs
2021-01-01 18:35:06 +01:00
parent d39e1d0783
commit 3f05f416b6
2 changed files with 47 additions and 5 deletions
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32
orx-fx/src/main/kotlin/distort/TapeNoise.kt
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@@ -1,9 +1,12 @@
package org.openrndr.extra.fx.distort
import org.openrndr.color.ColorRGBa
import org.openrndr.draw.Filter
import org.openrndr.draw.filterShaderFromUrl
import org.openrndr.extra.fx.filterFragmentUrl
import org.openrndr.extra.parameters.BooleanParameter
import org.openrndr.extra.parameters.ColorParameter
import org.openrndr.extra.parameters.Description
import org.openrndr.extra.parameters.DoubleParameter
@@ -21,9 +24,36 @@ class TapeNoise : Filter(filterShaderFromUrl(filterFragmentUrl("distort/tape-noi
@DoubleParameter("noise high", 0.0, 1.0)
var noiseHigh: Double by parameters
@DoubleParameter("gap frequency", 0.0, 2.0)
var gapFrequency: Double by parameters
@DoubleParameter("gap low", -1.0, 1.0)
var gapLow: Double by parameters
@DoubleParameter("gap high", -1.0, 1.0)
var gapHigh: Double by parameters
@DoubleParameter("deform amplitude", 0.0, 1.0)
var deformAmplitude: Double by parameters
@DoubleParameter("deform frequency", 0.0, 1.0)
var deformFrequency: Double by parameters
@ColorParameter("tint")
var tint: ColorRGBa by parameters
@BooleanParameter("monochrome")
var monochrome: Boolean by parameters
init {
gain = 0.5
noiseLow = 0.5
noiseHigh = 0.8
}
tint = ColorRGBa.WHITE
monochrome = false
gapFrequency = 10.0
gapLow = -1.0
gapHigh = -0.99
}
}

20
orx-fx/src/main/resources/org/openrndr/extra/fx/gl3/distort/tape-noise.frag
View File

@@ -7,6 +7,13 @@ uniform float time;
uniform float gain;
uniform float noiseLow;
uniform float noiseHigh;
uniform vec4 tint;
uniform bool monochrome;
uniform float deformAmplitude;
uniform float deformFrequency;
uniform float gapFrequency;
uniform float gapLow;
uniform float gapHigh;
#define HASHSCALE 443.8975
vec2 hash22(vec2 p) {
@@ -26,10 +33,11 @@ vec3 aberrationColor(float f) {
void main() {
float dk = 1.0/600.0;
o_output = vec4(0.0);
for (int k = 0; k < 10; ++k ) {
vec2 duv = v_texCoord0;
duv.y += smoothstep(pow(cos(time+k*dk+v_texCoord0.y*1.0),10.0)*0.1+0.1, 0.0, v_texCoord0.x)*0.1 * cos(time+k*dk);
duv.y += smoothstep(pow(1.0-cos(time+k*dk+v_texCoord0.y*1.0),10.0)*0.1+0.1, 0.9, v_texCoord0.x)*0.1 * cos(time+k*dk);
duv.y += smoothstep(pow(cos(time+k*dk+v_texCoord0.y*1.0),10.0)*0.1+0.1, 0.0, v_texCoord0.x)*deformAmplitude * cos((time+k*dk)*deformFrequency);
duv.y += smoothstep(pow(1.0-cos(time+k*dk+v_texCoord0.y*1.0),10.0)*0.1+0.1, 0.9, v_texCoord0.x)*deformAmplitude * cos((time+k*dk)*deformFrequency);
duv.y += sin(v_texCoord0.x*3.1415926535)*0.0;
float bc = floor(hash22(vec2(time+k*dk, (time+k*dk)*0.1)).x*20.0);
@@ -40,13 +48,17 @@ void main() {
vec2 v2b = hash22(duv.yx*0.03+time+k*dk);
float stretch = (cos(time+k*dk)*0.001+0.002)*0.3+0.001;
vec2 h = hash22(duv.yy*stretch+time+k*dk);
float gap = smoothstep(-1.0, -0.99, cos(gb3*(10.0+duv.y*10.0 + (time+k*dk)*10.0) +duv.x*10.0)) * (cos(gb3)*0.5+0.5);
float gap = smoothstep(gapLow, gapHigh, cos(gb3*(gapFrequency+duv.y*gapFrequency + (time+k*dk)*gapFrequency) +duv.x*gapFrequency)) * (cos(gb3)*0.5+0.5);
float r = smoothstep(noiseLow, noiseHigh, h.x*gap*v2.x)*1.0;
float g = smoothstep(noiseLow, noiseHigh, h.x*gap*v2.y)*1.0;
float b = smoothstep(noiseLow, noiseHigh, h.x*gap*v2b.x)*1.0;
float a = smoothstep(noiseLow, noiseHigh, h.x*gap*v2b.y)*1.0;
o_output += vec4(r,g,b,a)*gain;
if (!monochrome) {
o_output += vec4(r, g, b, a)*gain * tint;
} else {
o_output += vec4(r, r, r, a)*gain * tint;
}
}
o_output *= o_output.a;
o_output += texture(tex0, v_texCoord0);