klemek/forge-steel
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases 12 Wiki Activity

refactor(default): glsl cleaning (2/2)

Browse Source
This commit is contained in:
klemek
2026-08-28 20:08:41 +02:00
parent 749206746d
commit 118fc0d67e
11 changed files with 328 additions and 601 deletions
Download Patch File Download Diff File Expand all files Collapse all files
default/inc_fx.glsl
+121 -121
View File
@@ -6,14 +6,14 @@
#define INC_FX
vec4 fx_master(vec3 c0, vec3 c, int seed, vec3 m0) {
float fx = magic(m0.xy, vec3(1,0,0), seed);
bool invert = magic_trigger(vec3(m0.z, 0, 0), seed);
float fx = magic(m0.xy, vec3(1., 0., 0.), seed);
bool invert = magic_trigger(vec3(m0.z, 0., 0.), seed);
vec3 c_out = mix(c0, c, fx);
c_out = mix(c_out, 1 - c_out, invert ? 1 : 0);
c_out = mix(c_out, 1. - c_out, invert ? 1. : 0.);
return vec4(c_out, 1.0);
return vec4(c_out, 1.);
}
subroutine vec4 fx_stage_sub(vec2 vUV, sampler2D previous, sampler2D feedback, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3, vec3 m0);
@@ -29,29 +29,29 @@ subroutine(fx_stage_sub) vec4 fx_1(vec2 vUV, sampler2D previous, sampler2D feedb
// controls
float hue = magic(f1, b1, seed + 10);
float saturation = magic(f2, b2, seed + 20);
float light = magic(f3, b3, seed + 30);
float hue = magic(f1, b1, seed + 10.);
float saturation = magic(f2, b2, seed + 20.);
float light = magic(f3, b3, seed + 30.);
// logic
vec3 c0 = texture(previous, uv0).xyz;
vec3 c = c0;
c = shift3(c, hue);
c *= 1 + saturation;
c = mix(c + light * 2.0, c - (1 - light) * 2.0, step(0.5, light));
c *= 1. + saturation;
c = mix(c + light * 2., c - (1. - light) * 2., step(.5, light));
return fx_master(c0, c, seed, m0);
}
// FX 2 : feedback + shift
vec4 fx_shift(vec2 vUV, sampler2D src0, sampler2D src1, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3, vec3 m0)
subroutine(fx_stage_sub) vec4 fx_shift(vec2 vUV, sampler2D src0, sampler2D src1, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3, vec3 m0)
{
// start
vec2 uv0 = vUV.st;
float ratio = iResolution.x / iResolution.y;
vec2 uv1 = (uv0 - .5) * vec2(ratio, 1);
vec2 uv1 = (uv0 - .5) * vec2(ratio, 1.);
// controls
@@ -64,7 +64,7 @@ vec4 fx_shift(vec2 vUV, sampler2D src0, sampler2D src1, int seed, vec3 b1, vec2
vec3 c0 = texture(src0, uv0).xyz;
vec2 uv2 = uv1;
uv2 = mix(uv2 * (1 + zoom * 2), uv2 * (zoom), step(0.5, zoom));
uv2 = mix(uv2 * (1 + zoom * 2), uv2 * (zoom), step(.5, zoom));
uv2 += vec2(x_shift * ratio, y_shift) * 2;
vec3 c = reframe(src1, uv2).xyz;
@@ -115,28 +115,28 @@ subroutine(fx_stage_sub) vec4 fx_5(vec2 vUV, sampler2D previous, sampler2D feedb
vec2 uv0 = vUV.st;
float ratio = iResolution.x / iResolution.y;
vec2 uv1 = (uv0 - .5) * vec2(ratio, 1);
vec2 uv1 = (uv0 - .5) * vec2(ratio, 1.);
// controls
float pixel_size = magic(f1, b1, seed + 10);
float quantize = magic(f2, b2, seed + 20);
bool quantize_trigger = magic_trigger(b2, seed + 20);
float blur = magic(f3, b3, seed + 30);
float pixel_size = magic(f1, b1, seed + 10.);
float quantize = magic(f2, b2, seed + 20.);
bool quantize_trigger = magic_trigger(b2, seed + 20.);
float blur = magic(f3, b3, seed + 30.);
// logic
vec3 c0 = texture(previous, uv0).xyz;
vec2 uv2 = uv1;
float pixel = (1 - pixel_size) * 250 + 25;
float pixel = (1., - pixel_size) * 250. + 25.;
uv2 = round(uv2 * pixel) / pixel;
vec3 c = gauss(previous, uv2 * vec2(1 / ratio, 1) + .5, 3, 0.005 * blur).xyz;
float colors = (1 - quantize) * 10 + 1;
vec3 c = gauss(previous, uv2 * vec2(1. / ratio, 1.) + .5, 3, .005 * blur).xyz;
float colors = (1. - quantize) * 10. + 1.;
if (quantize_trigger) {
c = round(c * colors) / colors;
}
// c = mix(c, 1 - c, step(noise_f(uv0 * 10 + vec2(iTime * 0.1, 0), 5), 0.5));
// c = mix(c, 1 - c, step(noise_f(uv0 * 10 + vec2(iTime * .1, 0), 5), .5));
return fx_master(c0, c, seed, m0);
}
@@ -148,7 +148,7 @@ subroutine(fx_stage_sub) vec4 fx_6(vec2 vUV, sampler2D previous, sampler2D feedb
vec2 uv0 = vUV.st;
float ratio = iResolution.x / iResolution.y;
vec2 uv1 = (uv0 - .5) * vec2(ratio, 1);
vec2 uv1 = (uv0 - .5) * vec2(ratio, 1.);
// controls
@@ -168,7 +168,7 @@ subroutine(fx_stage_sub) vec4 fx_6(vec2 vUV, sampler2D previous, sampler2D feedb
if (pixel_size_trigger) {
uv2 = floor(uv2 * k1) / k1;
}
vec3 c = gauss(previous, uv2 * vec2(1 / ratio, 1) + .5, 3, 0.005 * blur).xyz;
vec3 c = gauss(previous, uv2 * vec2(1 / ratio, 1) + .5, 3, .005 * blur).xyz;
float k3 = pow(2, 5 - floor(quantize * 5));
if (quantize_trigger) {
c *= k3;
@@ -190,26 +190,26 @@ subroutine(fx_stage_sub) vec4 fx_7(vec2 vUV, sampler2D previous, sampler2D feedb
vec2 uv0 = vUV.st;
float ratio = iResolution.x / iResolution.y;
vec2 uv1 = (uv0 - .5) * vec2(ratio, 1);
vec2 uv1 = (uv0 - .5) * vec2(ratio, 1.);
// controls
float lens_v = magic(f1, b1, seed + 10);
float horizontal_noise = magic(f2, b2, seed + 20);
float zoom = magic(f3, b3, seed + 30);
float lens_v = magic(f1, b1, seed + 10.);
float horizontal_noise = magic(f2, b2, seed + 20.);
float zoom = magic(f3, b3, seed + 30.);
// logic
vec3 c0 = texture(previous, uv0).xyz;
vec2 uv2 = uv1;
float k1 = lens_v * 0.5;
uv2 *= 1 + zoom * 2;
float k1 = lens_v * .5;
uv2 *= 1. + zoom * 2.;
uv2 = lens(uv2, -k1, k1);
float k = horizontal_noise;
vec3 c = vec3(
reframe_b(previous, uv2 + vec2((rand(uv0.y * 1000 + iTime) - 0.5) * k * 0.1)).x,
reframe_b(previous, uv2 + vec2((rand(uv0.y * 1100 + iTime) - 0.5) * k * 0.1)).y,
reframe_b(previous, uv2 + vec2((rand(uv0.y * 1000. + iTime) - .5) * k * .1)).x,
reframe_b(previous, uv2 + vec2((rand(uv0.y * 1100. + iTime) - .5) * k * .1)).y,
reframe_b(previous, uv2).z
);
@@ -223,23 +223,23 @@ subroutine(fx_stage_sub) vec4 fx_8(vec2 vUV, sampler2D previous, sampler2D feedb
vec2 uv0 = vUV.st;
float ratio = iResolution.x / iResolution.y;
vec2 uv1 = (uv0 - .5) * vec2(ratio, 1);
vec2 uv1 = (uv0 - .5) * vec2(ratio, 1.);
// controls
float axes = magic(f1, b1, seed + 10);
float axes_trigger = magic_b(b1, seed + 10).x;
float rotation = magic(f2, b2, seed + 20);
float h_scroll = magic(f3, b3, seed + 30);
float axes = magic(f1, b1, seed + 10.);
float axes_trigger = magic_b(b1, seed + 10.).x;
float rotation = magic(f2, b2, seed + 20.);
float h_scroll = magic(f3, b3, seed + 30.);
// logic
vec3 c0 = texture(previous, uv0).xyz;
vec2 uv2 = uv1;
uv2 = mix(uv2, kal2(uv2 * rot(0.25), floor(axes * 9 + 1)) * vec2(1, -2) + vec2(0, -0.5), axes_trigger);
uv2 = mix(uv2, kal2(uv2 * rot(.25), floor(axes * 9. + 1.)) * vec2(1., -2.) + vec2(0., -.5), axes_trigger);
uv2 *= rot(rotation);
uv2.x = (saw(uv2.x / ratio + 0.5 + h_scroll * 2) - 0.5) * ratio;
uv2.x = (saw(uv2.x / ratio + .5 + h_scroll * 2.) - .5) * ratio;
vec3 c = reframe(previous, uv2).xyz;
return fx_master(c0, c, seed, m0);
@@ -254,35 +254,35 @@ subroutine(fx_stage_sub) vec4 fx_9(vec2 vUV, sampler2D previous, sampler2D feedb
vec2 uv0 = vUV.st;
float ratio = iResolution.x / iResolution.y;
vec2 uv1 = (uv0 - .5) * vec2(ratio, 1);
vec2 uv1 = (uv0 - .5) * vec2(ratio, 1.);
// controls
float zoom = magic(f1, b1, seed + 10);
vec2 charset = magic_f(f2, b2, seed + 20);
vec3 charset_ctrl = magic_b(b2, seed + 20);
float char_delta = magic(f3, b3, seed + 30);
float t = magic(seed + 40);
float zoom = magic(f1, b1, seed + 10.);
vec2 charset = magic_f(f2, b2, seed + 20.);
vec3 charset_ctrl = magic_b(b2, seed + 20.);
float char_delta = magic(f3, b3, seed + 30.);
float t = magic(seed + 40.);
// logic
vec3 c0 = texture(previous, uv0).xyz;
vec2 uv2 = uv1;
float k1 = 100 * (1 - zoom) + 10;
float inv_k = 1 / k1;
float k1 = 100. * (1. - zoom) + 10.;
float inv_k = 1. / k1;
uv2 = floor(uv2 * k1) * inv_k;
int start_char = charset_ctrl.x > 0 ? charsets[int(charset.x * CHARSETS) * 2] : 0x01;
int char_span = int((charset_ctrl.x > 0 ? charsets[int(charset.x * CHARSETS) * 2 + 1] : 255));
char_span = int(char_span * max(1 - charset.y, 1 / (char_span * 0.75)));
int start_char = charset_ctrl.x > 0. ? charsets[int(charset.x * CHARSETS) * 2] : 0x01;
int char_span = int((charset_ctrl.x > 0. ? charsets[int(charset.x * CHARSETS) * 2 + 1] : 255));
char_span = int(char_span * max(1. - charset.y, 1. / (char_span * .75)));
ivec2 uv2i = ivec2(uv2 * k1);
int code = ((charset_ctrl.y < 1 || (uv2i.x % 2 ^ uv2i.y % 2) > 0) ? 1 : 0) * (start_char + int((rand(uv2i) + char_delta) * char_span) % char_span);
vec3 c = reframe(previous, uv2 + vec2(0, 0) * inv_k * 0.125).xyz * 0.2
+ reframe(previous, uv2 + vec2(1, 0) * inv_k * 0.125).xyz * 0.2
+ reframe(previous, uv2 + vec2(1, 1) * inv_k * 0.125).xyz * 0.2
+ reframe(previous, uv2 + vec2(0, 1) * inv_k * 0.125).xyz * 0.2
+ reframe(previous, uv2 + vec2(0.5, 0.5) * inv_k * 0.125).xyz * 0.2;
c = char(mod(uv1 * k1, 1), code) ? c : vec3(0);
int code = ((charset_ctrl.y < 1. || (uv2i.x % 2 ^ uv2i.y % 2) > 0) ? 1 : 0) * (start_char + int((rand(uv2i) + char_delta) * char_span) % char_span);
vec3 c = reframe(previous, uv2 + vec2(0., 0.) * inv_k * .125).xyz * .2
+ reframe(previous, uv2 + vec2(1., 0.) * inv_k * .125).xyz * .2
+ reframe(previous, uv2 + vec2(1., 1.) * inv_k * .125).xyz * .2
+ reframe(previous, uv2 + vec2(0., 1.) * inv_k * .125).xyz * .2
+ reframe(previous, uv2 + vec2(.5, .5) * inv_k * .125).xyz * .2;
c = char(mod(uv1 * k1, 1.), code) ? c : vec3(0.);
return fx_master(c0, c, seed, m0);
}
@@ -294,22 +294,22 @@ subroutine(fx_stage_sub) vec4 fx_10(vec2 vUV, sampler2D previous, sampler2D feed
vec2 uv0 = vUV.st;
float ratio = iResolution.x / iResolution.y;
vec2 uv1 = (uv0 - .5) * vec2(ratio, 1);
vec2 uv1 = (uv0 - .5) * vec2(ratio, 1.);
// controls
float lens_v1 = magic(f1, b1, seed + 10);
float lens_v2 = magic(f2, b2, seed + 20);
float zoom = magic(f3, b3, seed + 30);
float k = magic(seed + 40);
float lens_v1 = magic(f1, b1, seed + 10.);
float lens_v2 = magic(f2, b2, seed + 20.);
float zoom = magic(f3, b3, seed + 30.);
float k = magic(seed + 40.);
// logic
vec3 c0 = texture(previous, uv0).xyz;
vec2 uv2 = uv1;
uv2 *= 1 + zoom * 2;
uv2 = lens(uv2, -lens_v2 * 10, lens_v1 * 10);
uv2 *= 1. + zoom * 2.;
uv2 = lens(uv2, -lens_v2 * 10., lens_v1 * 10.);
vec3 c = reframe(previous, uv2).xyz;
return fx_master(c0, c, seed, m0);
@@ -322,13 +322,13 @@ subroutine(fx_stage_sub) vec4 fx_11(vec2 vUV, sampler2D previous, sampler2D feed
vec2 uv0 = vUV.st;
float ratio = iResolution.x / iResolution.y;
vec2 uv1 = (uv0 - .5) * vec2(ratio, 1);
vec2 uv1 = (uv0 - .5) * vec2(ratio, 1.);
// controls
float wall1 = magic(f1, b1, seed + 10);
float wall2 = magic(f2, b2, seed + 20);
float angle = magic(f3, b3, seed + 30);
float wall1 = magic(f1, b1, seed + 10.);
float wall2 = magic(f2, b2, seed + 20.);
float angle = magic(f3, b3, seed + 30.);
// logic
@@ -336,8 +336,8 @@ subroutine(fx_stage_sub) vec4 fx_11(vec2 vUV, sampler2D previous, sampler2D feed
vec2 uv2 = uv1;
uv2 *= rot(angle);
uv2.y = min(uv2.y, 1 - wall1);
uv2.y = -min(-uv2.y, 1 - wall2);
uv2.y = min(uv2.y, 1. - wall1);
uv2.y = -min(-uv2.y, 1. - wall2);
uv2 *= rot(-angle);
vec3 c = reframe(previous, uv2).xyz;
@@ -351,33 +351,33 @@ subroutine(fx_stage_sub) vec4 fx_12(vec2 vUV, sampler2D previous, sampler2D feed
vec2 uv0 = vUV.st;
float ratio = iResolution.x / iResolution.y;
vec2 uv1 = (uv0 - 0.5) * vec2(ratio, 1);
vec2 uv1 = (uv0 - .5) * vec2(ratio, 1.);
// controls
float pixel_size = magic(f1, b1, seed + 10);
bool pixel_size_trigger = magic_trigger(b1, seed + 10);
f2 = magic_f(f2, b2, seed + 20);
int rule = int(f2.x * 12);
float threshold = f2.y * 0.9 + 0.05;
float fb = magic(f3, b3, seed + 30);
float pixel_size = magic(f1, b1, seed + 10.);
bool pixel_size_trigger = magic_trigger(b1, seed + 10.);
f2 = magic_f(f2, b2, seed + 20.);
int rule = int(f2.x * 12.);
float threshold = f2.y * .9 + .05;
float fb = magic(f3, b3, seed + 30.);
// logic
vec3 c0 = texture(previous, uv0).xyz;
vec2 uv2 = uv1;
float k1 = pow(2, 9 - floor(pixel_size * 5));
float p = 1 / k1;
float k1 = pow(2., 9. - floor(pixel_size * 5.));
float p = 1. / k1;
uv2 = round(uv2 * k1) / k1;
vec3 c1 = mix(
reframe(previous, uv2 + vec2(0.5, 0.5) * p).xyz,
reframe(feedback, uv2 + vec2(0.5, 0.5) * p).xyz,
reframe(previous, uv2 + vec2(.5, .5) * p).xyz,
reframe(feedback, uv2 + vec2(.5, .5) * p).xyz,
fb
);
vec3 c2 = mix(
reframe(previous, uv2 + vec2(1.5, 0.5) * p).xyz,
reframe(feedback, uv2 + vec2(1.5, 0.5) * p).xyz,
reframe(previous, uv2 + vec2(1.5, .5) * p).xyz,
reframe(feedback, uv2 + vec2(1.5, .5) * p).xyz,
fb
);
vec3 c3 = mix(
@@ -386,33 +386,33 @@ subroutine(fx_stage_sub) vec4 fx_12(vec2 vUV, sampler2D previous, sampler2D feed
fb
);
vec3 c4 = mix(
reframe(previous, uv2 + vec2(0.5, 1.5) * p).xyz,
reframe(feedback, uv2 + vec2(0.5, 1.5) * p).xyz,
reframe(previous, uv2 + vec2(.5, 1.5) * p).xyz,
reframe(feedback, uv2 + vec2(.5, 1.5) * p).xyz,
fb
);
vec3 c5 = mix(
reframe(previous, uv2 + vec2(-0.5, 1.5) * p).xyz,
reframe(feedback, uv2 + vec2(-0.5, 1.5) * p).xyz,
reframe(previous, uv2 + vec2(-.5, 1.5) * p).xyz,
reframe(feedback, uv2 + vec2(-.5, 1.5) * p).xyz,
fb
);
vec3 c6 = mix(
reframe(previous, uv2 + vec2(-0.5, 0.5) * p).xyz,
reframe(feedback, uv2 + vec2(-0.5, 0.5) * p).xyz,
reframe(previous, uv2 + vec2(-.5, .5) * p).xyz,
reframe(feedback, uv2 + vec2(-.5, .5) * p).xyz,
fb
);
vec3 c7 = mix(
reframe(previous, uv2 + vec2(-0.5, -0.5) * p).xyz,
reframe(feedback, uv2 + vec2(-0.5, -0.5) * p).xyz,
reframe(previous, uv2 + vec2(-.5, -.5) * p).xyz,
reframe(feedback, uv2 + vec2(-.5, -.5) * p).xyz,
fb
);
vec3 c8 = mix(
reframe(previous, uv2 + vec2(0.5, -0.5) * p).xyz,
reframe(feedback, uv2 + vec2(0.5, -0.5) * p).xyz,
reframe(previous, uv2 + vec2(.5, -.5) * p).xyz,
reframe(feedback, uv2 + vec2(.5, -.5) * p).xyz,
fb
);
vec3 c9 = mix(
reframe(previous, uv2 + vec2(-0.5, -0.5) * p).xyz,
reframe(feedback, uv2 + vec2(-0.5, -0.5) * p).xyz,
reframe(previous, uv2 + vec2(-.5, -.5) * p).xyz,
reframe(feedback, uv2 + vec2(-.5, -.5) * p).xyz,
fb
);
bool alive = mean(c1) >= threshold;
@@ -453,7 +453,7 @@ subroutine(fx_stage_sub) vec4 fx_12(vec2 vUV, sampler2D previous, sampler2D feed
alive = n >= 6 || !alive && n == 4 || alive && (n == 3 || n == 5);
}
vec3 cout = vec3(alive ? 1 : 0);
vec3 cout = vec3(alive ? 1. : 0.);
return fx_master(c0, cout, seed, m0);
}
@@ -465,20 +465,20 @@ subroutine(fx_stage_sub) vec4 fx_13(vec2 vUV, sampler2D previous, sampler2D feed
vec2 uv0 = vUV.st;
float ratio = iResolution.x / iResolution.y;
vec2 uv1 = (uv0 - .5) * vec2(ratio, 1);
vec2 uv1 = (uv0 - .5) * vec2(ratio, 1.);
// controls
float sx = magic(f1, b1, seed + 10) * 2;
float sy = magic(f2, b2, seed + 20) * 2;
float disp = 0.005 * magic(f3, b3, seed + 30);
float sx = magic(f1, b1, seed + 10.) * 2.;
float sy = magic(f2, b2, seed + 20.) * 2.;
float disp = .005 * magic(f3, b3, seed + 30.);
// logic
vec3 c0 = texture(previous, uv0).xyz;
const mat3x3 sobelx = {{-1, -2, -1}, {0, 0, 0}, {1, 2, 1}};
const mat3x3 sobely = {{-1, 0, 1}, {-2, 0, 2}, {-1, 0, 1}};
const mat3x3 sobelx = mat3x3(-1., -2., -1., 0., 0., 0., 1., 2., 1.);
const mat3x3 sobely = mat3x3(-1., 0., 1., -2., 0., 2., -1., 0., 1.);
mat3x3 sobel = sobelx * sx + sobely * sy;
@@ -494,13 +494,13 @@ subroutine(fx_stage_sub) vec4 fx_14(vec2 vUV, sampler2D previous, sampler2D feed
vec2 uv0 = vUV.st;
float ratio = iResolution.x / iResolution.y;
vec2 uv1 = (uv0 - .5) * vec2(ratio, 1);
vec2 uv1 = (uv0 - .5) * vec2(ratio, 1.);
// controls
float zoom = 1 + magic(f1, b1, seed + 10) * 9;
float h_scroll = magic(f2, b2, seed + 20);
float angle = magic(f3, b3, seed + 30);
float zoom = 1 + magic(f1, b1, seed + 10.) * 9.;
float h_scroll = magic(f2, b2, seed + 20.);
float angle = magic(f3, b3, seed + 30.);
// logic
@@ -512,11 +512,11 @@ subroutine(fx_stage_sub) vec4 fx_14(vec2 vUV, sampler2D previous, sampler2D feed
uv3 *= rot(angle);
uv3 += vec2(h_scroll, 0);
uv3 += vec2(h_scroll, 0.);
uv3 *= round(zoom);
vec2 umax = vec2(round(zoom), 300);
vec2 umax = vec2(round(zoom), 300.);
vec3 c = reframe(previous, mod(uv3, umax)).xyz;
@@ -526,33 +526,33 @@ subroutine(fx_stage_sub) vec4 fx_14(vec2 vUV, sampler2D previous, sampler2D feed
// FX 15 : Random
subroutine(fx_stage_sub) vec4 fx_15(vec2 vUV, sampler2D previous, sampler2D feedback, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3, vec3 m0)
{
int fx = int(randTime(seed + 100) * 14);
int fx = int(randTime(seed + 100.) * 14.) + 1;
if (fx == 0) {
if (fx == 1) {
return fx_1(vUV, previous, feedback, seed, b1, f1, b2, f2, b3, f3, m0);
} else if (fx == 1) {
return fx_2(vUV, previous, feedback, seed, b1, f1, b2, f2, b3, f3, m0);
} else if (fx == 2) {
return fx_3(vUV, previous, feedback, seed, b1, f1, b2, f2, b3, f3, m0);
return fx_2(vUV, previous, feedback, seed, b1, f1, b2, f2, b3, f3, m0);
} else if (fx == 3) {
return fx_4(vUV, previous, feedback, seed, b1, f1, b2, f2, b3, f3, m0);
return fx_3(vUV, previous, feedback, seed, b1, f1, b2, f2, b3, f3, m0);
} else if (fx == 4) {
return fx_5(vUV, previous, feedback, seed, b1, f1, b2, f2, b3, f3, m0);
return fx_4(vUV, previous, feedback, seed, b1, f1, b2, f2, b3, f3, m0);
} else if (fx == 5) {
return fx_6(vUV, previous, feedback, seed, b1, f1, b2, f2, b3, f3, m0);
return fx_5(vUV, previous, feedback, seed, b1, f1, b2, f2, b3, f3, m0);
} else if (fx == 6) {
return fx_7(vUV, previous, feedback, seed, b1, f1, b2, f2, b3, f3, m0);
return fx_6(vUV, previous, feedback, seed, b1, f1, b2, f2, b3, f3, m0);
} else if (fx == 7) {
return fx_8(vUV, previous, feedback, seed, b1, f1, b2, f2, b3, f3, m0);
return fx_7(vUV, previous, feedback, seed, b1, f1, b2, f2, b3, f3, m0);
} else if (fx == 8) {
return fx_9(vUV, previous, feedback, seed, b1, f1, b2, f2, b3, f3, m0);
return fx_8(vUV, previous, feedback, seed, b1, f1, b2, f2, b3, f3, m0);
} else if (fx == 9) {
return fx_10(vUV, previous, feedback, seed, b1, f1, b2, f2, b3, f3, m0);
return fx_9(vUV, previous, feedback, seed, b1, f1, b2, f2, b3, f3, m0);
} else if (fx == 10) {
return fx_11(vUV, previous, feedback, seed, b1, f1, b2, f2, b3, f3, m0);
return fx_10(vUV, previous, feedback, seed, b1, f1, b2, f2, b3, f3, m0);
} else if (fx == 11) {
return fx_12(vUV, previous, feedback, seed, b1, f1, b2, f2, b3, f3, m0);
return fx_11(vUV, previous, feedback, seed, b1, f1, b2, f2, b3, f3, m0);
} else if (fx == 12) {
return fx_12(vUV, previous, feedback, seed, b1, f1, b2, f2, b3, f3, m0);
} else if (fx == 13) {
return fx_13(vUV, previous, feedback, seed, b1, f1, b2, f2, b3, f3, m0);
} else {
return fx_14(vUV, previous, feedback, seed, b1, f1, b2, f2, b3, f3, m0);