forge (steel) v1.1.1

feat: better src 4
fix: update default project with internal buffer swap
2026-05-16 00:33:24 +02:00 · 2026-05-16 00:32:41 +02:00 · 2026-05-15 16:36:57 +02:00 · 2026-05-15 00:24:16 +02:00
18 changed files with 343 additions and 243 deletions
@@ -8,7 +8,7 @@ build         build project into build/forge
 run           run project with test args
 demo          run project with demo mode
 valgrind      valgrind analysis
-clean-release remove autoconf/automake files
+full-clean    remove build files and untracked files
 test-release  try to build release
 release-%     make full release of version %
 release-arch  make arch-linux release package
@@ -7,7 +7,7 @@ SHELL := /bin/bash
 clean:
 	@rm -rf build

-build:
+build/$(TARGET):
 	@mkdir -p build
 	gcc \
 		src/*.h src/*.c \
@@ -25,6 +25,9 @@ build:
 		-o build/$(TARGET) \
 		-g -Og

+.PHONY: build
+build: build/$(TARGET)
+
 .PHONY: build-no-video
 build-no-video:
 	@mkdir -p build
@@ -48,26 +51,27 @@ format:
 	clang-format -i src/*

 .PHONY: run
-run: build
+run: build/$(TARGET)
 	./build/$(TARGET) $(RUN_ARGS)

 .PHONY: sample
-sample: build
-	./build/$(TARGET) --project=sample
+sample: build/$(TARGET)
+	./build/$(TARGET) --project=sample $(RUN_ARGS)

 .PHONY: valgrind
-valgrind: build
+valgrind: build/$(TARGET)
 	valgrind \
 		--show-realloc-size-zero=no \
 		--undef-value-errors=no \
 		./build/$(TARGET) $(RUN_ARGS)

-.PHONY: clean-release
-clean-release:
+.PHONY: full-clean
+full-clean:
 	git clean -f -x
+	rm -rf **/**/.deps

 .PHONY: test-release
-test-release: clean clean-release
+test-release: clean full-clean
 	aclocal
 	autoconf
 	automake --add-missing
@@ -77,7 +81,7 @@ test-release: clean clean-release
 	cp $(TARGET)-steel-*.tar.gz build/

 .PHONY: release-%
-release-%: clean clean-release
+release-%: clean full-clean
 	git pull origin main
 	sed -i -E "s/[0-9]+\\.[0-9]+\\.[0-9]+/$*/g" configure.ac
 	aclocal
@@ -1,12 +1,12 @@
 pkgname=forge-steel
-pkgver=1.1.0
+pkgver=1.1.1
 pkgrel=1
 pkgdesc="Fusion Of Real Time Generative Effects"
 arch=('i686' 'pentium4' 'x86_64' 'arm' 'armv7h' 'armv6h' 'aarch64' 'riscv64')
 depends=('glfw>=1:3', 'v4l-utils>=1.32', 'alsa-lib>=1.2', 'libglvnd>=1.7')
 url="https://git.klemek.fr/klemek/forge-steel"
 source=("${pkgname}-steel-${pkgver}.tar.gz::https://git.klemek.fr/klemek/forge-steel/releases/download/v${pkgver}/${pkgname}-${pkgver}.tar.gz")
-sha256sums=('794fb0f170cff19872acfba8a556e2a08c55a78e497ac0b330eca6db65343529')
+sha256sums=('7b518ac91de1ecacb34da3f52a06ae82b26a287512cbf43ba5dd7d39e35b8d8f')
 srcdir=build
 backup=("usr/share/${pkgname}")

@@ -247,7 +247,7 @@ Working with pages and items, you can use the following predefined sources and e
 | **1** | **0** | Feedback + Thru   | _Hue_             | _Saturation_    | _Light_            | Thru             | _Hue_           | _Saturation_  | _Light_        |
 |       | **1** | Lines             | _Thick. / Dezoom_ | _Rotation_      | _Distortion_       | Feedback + Shift | _Zoom / Dezoom_ | _X Shift_     | _Y Shift_      |
 |       | **2** | Dots              | _Zoom_            | _Rotation_      | _Lens_             | Shift            | _Zoom / Dezoom_ | _X Shift_     | _Y Shift_      |
-|       | **3** | Circuit             | _Zoom_         | _H. connect_     | _V. connect_ | Colorize         | _Black Color_   | _White Color_ | _Shift_        |
+|       | **3** | Bacteria          | _Zoom_            | _Details_       | _Delta details_    | Colorize         | _Black Color_   | _White Color_ | _Shift_        |
 |       | **4** | Noise             | _Zoom_            | _Voronoi dist._ | _Details_          | Quantize         | _Pixel Size_    | _Bit Depth_   | _Blur_         |
 | **2** | **5** | Video In 1 + Thru | _Hue_             | _Saturation_    | _Light_            | Dithering        | _Pixel Size_    | _Bit Depth_   | _Blur_         |
 |       | **6** | CP437             | _Zoom_            | _Charset_       | _Char. Delta_      | TV               | _Lens_          | _Horz. Noise_ | _Dezoom_       |
@@ -1,4 +1,4 @@
-AC_INIT([forge], [steel-1.1.0], [klemek.dev@proton.me])
+AC_INIT([forge], [steel-1.1.1], [klemek.dev@proton.me])
 AM_INIT_AUTOMAKE
 AC_PROG_CC

@@ -115,13 +115,13 @@ FRAG_FILE_PREFIX=frag
 FRAG_COUNT=10

 # To which texture will the shader fragX.glsl will render to
-FRAG_1_OUT=5
-FRAG_2_OUT=6
-FRAG_3_OUT=7
-FRAG_4_OUT=8
-FRAG_5_OUT=9
-FRAG_6_OUT=10
-FRAG_7_OUT=11
+FRAG_1_OUT=3
+FRAG_2_OUT=4
+FRAG_3_OUT=5
+FRAG_4_OUT=6
+FRAG_5_OUT=7
+FRAG_6_OUT=8
+FRAG_7_OUT=9
 FRAG_8_OUT=0
 # Which fragment shader renders to output window
 FRAG_OUTPUT=9
@@ -2,8 +2,8 @@

 // VIDEO 1
 // -----------
-// IN: 1+3 (RAW IN A)
-// OUT: 5 (IN A)
+// IN: 1 (RAW IN A)
+// OUT: 3 (IN A)

 in vec2 vUV;
 out vec4 fragColor;
@@ -14,16 +14,11 @@ uniform sampler2D iTex0;
 uniform sampler2D iTex1;
 uniform sampler2D iTex3;
 uniform int iInputFormat1;
-uniform int iInputSwap1;
 uniform vec2 iInputResolution1;

 void main() {
    if (iInputFormat1 == YUYV_FOURCC) {
-        if (iInputSwap1 > 0) {
-            fragColor = yuyvTex(iTex3, vUV, int(iInputResolution1.x));
-        } else {
-            fragColor = yuyvTex(iTex1, vUV, int(iInputResolution1.x));
-        }
+        fragColor = yuyvTex(iTex1, vUV, int(iInputResolution1.x));
    } else {
        fragColor = texture(iTex0, vUV);
    }
@@ -9,13 +9,13 @@ out vec4 fragColor;
 #include inc_debug.glsl

 uniform sampler2D iTex0;
+uniform sampler2D iTex3;
+uniform sampler2D iTex4;
 uniform sampler2D iTex5;
 uniform sampler2D iTex6;
 uniform sampler2D iTex7;
 uniform sampler2D iTex8;
 uniform sampler2D iTex9;
-uniform sampler2D iTex10;
-uniform sampler2D iTex11;
 uniform int iFPS;
 uniform int iInputFPS1;
 uniform int iInputFPS2;
@@ -26,19 +26,91 @@ float s(vec2 uv, float x0, float y0) {
 }

 const int texts[12][5] = {
-    {0x49, 0x4E, 0x20, 0x41, 0x00}, // IN A
-    {0x49, 0x4E, 0x20, 0x42, 0x00}, // IN B
-    {0x53, 0x52, 0x43, 0x20, 0x41}, // SRC A
-    {0x53, 0x52, 0x43, 0x20, 0x42}, // SRC B
-    {0x46, 0x58, 0x20, 0x41, 0x00}, // FX A
-    {0x46, 0x58, 0x20, 0x42, 0x00}, // FX B
-    {0x41, 0x2B, 0x42, 0x00, 0x00}, // A+B
-    {0x4D, 0x46, 0x58, 0x00, 0x00}, // MFX
-    {0x46, 0x50, 0x53, 0x00, 0x00}, // FPS
-    {0x4F, 0x46, 0x46, 0x00, 0x00}, // OFF
-    {0x44, 0x45, 0x4D, 0x4F, 0x00}, // DEMO
-    {0x4C, 0x49, 0x56, 0x45, 0x00}, // LIVE
-};
+        {
+            0x49,
+            0x4E,
+            0x20,
+            0x41,
+            0x00
+        }, // IN A
+        {
+            0x49,
+            0x4E,
+            0x20,
+            0x42,
+            0x00
+        }, // IN B
+        {
+            0x53,
+            0x52,
+            0x43,
+            0x20,
+            0x41
+        }, // SRC A
+        {
+            0x53,
+            0x52,
+            0x43,
+            0x20,
+            0x42
+        }, // SRC B
+        {
+            0x46,
+            0x58,
+            0x20,
+            0x41,
+            0x00
+        }, // FX A
+        {
+            0x46,
+            0x58,
+            0x20,
+            0x42,
+            0x00
+        }, // FX B
+        {
+            0x41,
+            0x2B,
+            0x42,
+            0x00,
+            0x00
+        }, // A+B
+        {
+            0x4D,
+            0x46,
+            0x58,
+            0x00,
+            0x00
+        }, // MFX
+        {
+            0x46,
+            0x50,
+            0x53,
+            0x00,
+            0x00
+        }, // FPS
+        {
+            0x4F,
+            0x46,
+            0x46,
+            0x00,
+            0x00
+        }, // OFF
+        {
+            0x44,
+            0x45,
+            0x4D,
+            0x4F,
+            0x00
+        }, // DEMO
+        {
+            0x4C,
+            0x49,
+            0x56,
+            0x45,
+            0x00
+        }, // LIVE
+    };

 void main() {
    vec2 uv0 = vUV.st;
@@ -50,14 +122,14 @@ void main() {

    vec4 c = vec4(0);

-    c += s(uv2, 1, 2) * texture(iTex7, uv2);
-    c += s(uv2, 2, 2) * texture(iTex9, uv2);
+    c += s(uv2, 1, 2) * texture(iTex5, uv2);
+    c += s(uv2, 2, 2) * texture(iTex7, uv2);

-    c += s(uv2, 1, 0) * texture(iTex8, uv2);
-    c += s(uv2, 2, 0) * texture(iTex10, uv2);
+    c += s(uv2, 1, 0) * texture(iTex6, uv2);
+    c += s(uv2, 2, 0) * texture(iTex8, uv2);

    c += s(uv2, 0, 1) * debug(mod(uv2, 1));
-    c += s(uv2, 1, 1) * texture(iTex11, uv2);
+    c += s(uv2, 1, 1) * texture(iTex9, uv2);
    c += s(uv2, 2, 1) * texture(iTex0, uv2);

    float sel = 0;
@@ -77,7 +149,7 @@ void main() {
    t += write_5(uv3, vec2(-37, 28), texts[0]);

    if (iInputFormat1 == YUYV_FOURCC) {
-        c += s(uv2, 0, 2) * texture(iTex5, uv2);
+        c += s(uv2, 0, 2) * texture(iTex3, uv2);
        f += rect(uv3, vec2(-35, 26.75), vec2(2.8, 0.7));
        t += write_int(uv3, vec2(-37.6, 26.1), iInputFPS1, 2);
        t += write_5(uv3, vec2(-35.1, 26.1), texts[8]);
@@ -90,7 +162,7 @@ void main() {
    t += write_5(uv3, vec2(-37, -12), texts[1]);

    if (iInputFormat2 == YUYV_FOURCC) {
-        c += s(uv2, 0, 0) * texture(iTex6, uv2);
+        c += s(uv2, 0, 0) * texture(iTex4, uv2);
        f += rect(uv3, vec2(-35, -13.25), vec2(2.8, 0.7));
        t += write_int(uv3, vec2(-37.6, -13.9), iInputFPS2, 2);
        t += write_5(uv3, vec2(-35.1, -13.9), texts[8]);
@@ -2,8 +2,8 @@

 // VIDEO 2
 // -----------
-// IN: 2+4 (RAW IN B)
-// OUT: 6 (IN B)
+// IN: 2 (RAW IN B)
+// OUT: 4 (IN B)

 in vec2 vUV;
 out vec4 fragColor;
@@ -14,16 +14,11 @@ uniform sampler2D iTex0;
 uniform sampler2D iTex2;
 uniform sampler2D iTex4;
 uniform int iInputFormat2;
-uniform int iInputSwap2;
 uniform vec2 iInputResolution2;

 void main() {
    if (iInputFormat2 == YUYV_FOURCC) {
-        if (iInputSwap2 > 0) {
-            fragColor = yuyvTex(iTex4, vUV, int(iInputResolution2.x));
-        } else {
-            fragColor = yuyvTex(iTex2, vUV, int(iInputResolution2.x));
-        }
+        fragColor = yuyvTex(iTex2, vUV, int(iInputResolution2.x));
    } else {
        fragColor = texture(iTex0, vUV);
    }
@@ -3,7 +3,7 @@

 // SRC A
 // -----------
-// OUT: 7 (FX A)
+// OUT: 5 (FX A)

 in vec2 vUV;
 out vec4 fragColor;
@@ -2,7 +2,7 @@

 // SRC B
 // -----------
-// OUT: 8 (FX B)
+// OUT: 6 (FX B)

 in vec2 vUV;
 out vec4 fragColor;
@@ -2,20 +2,20 @@

 // FX A
 // -------------
-// IN: 7 (SRC A)
-// IN: 9 (FX A)
-// OUT: 9 (A+B)
+// IN: 5 (SRC A)
+// IN: 7 (FX A)
+// OUT: 7 (A+B)

 in vec2 vUV;
 out vec4 fragColor;

 #include inc_fx.glsl

+uniform sampler2D iTex5;
 uniform sampler2D iTex7;
-uniform sampler2D iTex9;
 uniform int iSeed5;
 uniform vec3 iGroup2_1[7];

 void main() {
-    fragColor = fx_stage(vUV, iTex7, iTex9, iSeed5, iGroup2_1[0], iGroup2_1[1].xy, iGroup2_1[2], iGroup2_1[3].xy, iGroup2_1[4], iGroup2_1[5].xy, iGroup2_1[6]);
+    fragColor = fx_stage(vUV, iTex5, iTex7, iSeed5, iGroup2_1[0], iGroup2_1[1].xy, iGroup2_1[2], iGroup2_1[3].xy, iGroup2_1[4], iGroup2_1[5].xy, iGroup2_1[6]);
 }
@@ -2,20 +2,20 @@

 // FX B
 // -------------
-// IN: 8 (SRC B)
-// IN: 10 (FX B)
-// OUT: 10 (A+B)
+// IN: 6 (SRC B)
+// IN: 8 (FX B)
+// OUT: 8 (A+B)

 in vec2 vUV;
 out vec4 fragColor;

 #include inc_fx.glsl

+uniform sampler2D iTex6;
 uniform sampler2D iTex8;
-uniform sampler2D iTex10;
 uniform int iSeed6;
 uniform vec3 iGroup2_2[7];

 void main() {
-    fragColor = fx_stage(vUV, iTex8, iTex10, iSeed6, iGroup2_2[0], iGroup2_2[1].xy, iGroup2_2[2], iGroup2_2[3].xy, iGroup2_2[4], iGroup2_2[5].xy, iGroup2_2[6]);
+    fragColor = fx_stage(vUV, iTex6, iTex8, iSeed6, iGroup2_2[0], iGroup2_2[1].xy, iGroup2_2[2], iGroup2_2[3].xy, iGroup2_2[4], iGroup2_2[5].xy, iGroup2_2[6]);
 }
@@ -2,9 +2,9 @@

 // A+B
 // ------------
-// IN: 9 (FX A)
-// IN: 10 (FX B)
-// OUT: 11 (MFX)
+// IN: 7 (FX A)
+// IN: 8 (FX B)
+// OUT: 9 (MFX)

 in vec2 vUV;
 out vec4 fragColor;
@@ -13,8 +13,8 @@ out vec4 fragColor;
 #include inc_functions.glsl

 uniform int iDemo;
-uniform sampler2D iTex9;
-uniform sampler2D iTex10;
+uniform sampler2D iTex7;
+uniform sampler2D iTex8;
 uniform int iSeed7;
 uniform vec3 iGroup3_1[2];

@@ -22,8 +22,8 @@ void main() {
    float mix_value = magic(iGroup3_1[1].xy, vec3(1, 0, 0), iSeed7);
    bool mix_type = magic_trigger(vec3(iGroup3_1[0].x, 0, 0), iSeed7 + 10);

-    vec4 color_a = texture(iTex9, vUV);
-    vec4 color_b = texture(iTex10, vUV);
+    vec4 color_a = texture(iTex7, vUV);
+    vec4 color_b = texture(iTex8, vUV);

    float k = mean(color_a);

@@ -2,7 +2,7 @@

 // MFX
 // ------------
-// IN: 11 (A+B)
+// IN: 9 (A+B)
 // IN: 0 (OUT)
 // OUT: 0 (OUT)

@@ -11,7 +11,7 @@ out vec4 fragColor;

 #include inc_fx.glsl

-uniform sampler2D iTex11;
+uniform sampler2D iTex9;
 uniform sampler2D iTex0;
 uniform int iSeed8;
 uniform vec3 iGroup2_3[7];
@@ -20,7 +20,7 @@ uniform int iDemo;
 uniform int iAutoRand;

 void main() {
-    vec4 color = fx_stage(vUV, iTex11, iTex0, iSeed8, iGroup2_3[0], iGroup2_3[1].xy, iGroup2_3[2], iGroup2_3[3].xy, iGroup2_3[4], iGroup2_3[5].xy, iGroup2_3[6]);
+    vec4 color = fx_stage(vUV, iTex9, iTex0, iSeed8, iGroup2_3[0], iGroup2_3[1].xy, iGroup2_3[2], iGroup2_3[3].xy, iGroup2_3[4], iGroup2_3[5].xy, iGroup2_3[6]);

    if (iDemo < 1 && iAutoRand < 1) {
        color = mix(color, vec4(0), iGroup3_1[0].y);
@@ -24,48 +24,48 @@ float iestep(float x, float y) {
 }

 float ease(float x) {
-    return 0.5 - cos(max(min(x, 1.0), 0.0)*PI) * 0.5;
+    return 0.5 - cos(max(min(x, 1.0), 0.0) * PI) * 0.5;
 }

 vec2 ease(vec2 x) {
-    return 0.5 - cos(max(min(x, 1.0), 0.0)*PI) * 0.5;
+    return 0.5 - cos(max(min(x, 1.0), 0.0) * PI) * 0.5;
 }

 vec3 ease(vec3 x) {
-    return 0.5 - cos(max(min(x, 1.0), 0.0)*PI) * 0.5;
+    return 0.5 - cos(max(min(x, 1.0), 0.0) * PI) * 0.5;
 }

-float saw(float x){
-    return abs(mod(x+1,2)-1);
+float saw(float x) {
+    return abs(mod(x + 1, 2) - 1);
 }

-vec2 saw(vec2 x){
-    return abs(mod(x+1,2)-1);
+vec2 saw(vec2 x) {
+    return abs(mod(x + 1, 2) - 1);
 }

-vec3 saw(vec3 x){
-    return abs(mod(x+1,2)-1);
+vec3 saw(vec3 x) {
+    return abs(mod(x + 1, 2) - 1);
 }

-float cmod(float x, float k){
+float cmod(float x, float k) {
    return mod(x + k * 0.5, k) - k * 0.5;
 }

-vec2 cmod(vec2 x, float k){
+vec2 cmod(vec2 x, float k) {
    return mod(x + k * 0.5, k) - k * 0.5;
 }

-vec3 cmod(vec3 x, float k){
+vec3 cmod(vec3 x, float k) {
    return mod(x + k * 0.5, k) - k * 0.5;
 }

 // COLORS

-vec3 col(float x){
+vec3 col(float x) {
    return vec3(
-        .5*(sin(x*2.*PI)+1.),
-        .5*(sin(x*2.*PI+2.*PI/3.)+1.),
-        .5*(sin(x*2.*PI-2.*PI/3.)+1.)
+        .5 * (sin(x * 2. * PI) + 1.),
+        .5 * (sin(x * 2. * PI + 2. * PI / 3.) + 1.),
+        .5 * (sin(x * 2. * PI - 2. * PI / 3.) + 1.)
    );
 }

@@ -83,8 +83,7 @@ vec3 shift3(vec3 c, float f) {

 vec3 mix3(vec3 c1, vec3 c2, vec3 c3, float x) {
    return istep(0.5, x) * mix(c1, c2, x * 2)
-        + step(0.5, x) * mix(c2, c3, x * 2 - 1)
-    ;
+        + step(0.5, x) * mix(c2, c3, x * 2 - 1);
 }

 vec3 mix4(vec3 c1, vec3 c2, vec3 c3, vec3 c4, float x) {
@@ -98,8 +97,7 @@ vec3 mix5(vec3 c1, vec3 c2, vec3 c3, vec3 c4, vec3 c5, float x) {
    return istep(0.25, x) * mix(c1, c2, x * 4)
        + step(0.25, x) * istep(0.5, x) * mix(c2, c3, x * 4 - 1)
        + step(0.5, x) * istep(0.75, x) * mix(c3, c4, x * 4 - 2)
-        + step(0.75, x) * mix(c4, c5, x * 4 - 3)
-    ;
+        + step(0.75, x) * mix(c4, c5, x * 4 - 3);
 }

 vec3 mix6(vec3 c1, vec3 c2, vec3 c3, vec3 c4, vec3 c5, vec3 c6, float x) {
@@ -107,8 +105,7 @@ vec3 mix6(vec3 c1, vec3 c2, vec3 c3, vec3 c4, vec3 c5, vec3 c6, float x) {
        + step(0.2, x) * istep(0.4, x) * mix(c2, c3, x * 5 - 1)
        + step(0.4, x) * istep(0.6, x) * mix(c3, c4, x * 5 - 2)
        + step(0.6, x) * istep(0.8, x) * mix(c4, c5, x * 5 - 3)
-        + step(0.8, x) * mix(c5, c6, x * 5 - 4)
-    ;
+        + step(0.8, x) * mix(c5, c6, x * 5 - 4);
 }

 float mean(vec3 v)
@@ -123,10 +120,10 @@ float mean(vec4 v)

 // OTHER

-mat2 rot(float angle){
+mat2 rot(float angle) {
    return mat2(
-        cos(angle*2.*PI),-sin(angle*2.*PI),
-        sin(angle*2.*PI),cos(angle*2.*PI)
+        cos(angle * 2. * PI), -sin(angle * 2. * PI),
+        sin(angle * 2. * PI), cos(angle * 2. * PI)
    );
 }

@@ -141,18 +138,18 @@ vec2 kal(vec2 uv, float n) {
    float q = 3.0 / (2.0 * PI);
    t = abs(mod(t + PI / (n), 2 * PI / n) - PI / (n));
    return length(uv) * vec2(
-        cos(t),
-        sin(t)
-    );
+            cos(t),
+            sin(t)
+        );
 }

 vec2 kal2(vec2 uv, float n) {
    float t = atan(uv.y, uv.x) + PI * 0.5;
    float t2 = abs(mod(t + PI / n, 2 * PI / n) - PI / n);
    return length(uv) * vec2(
-        cos(t2),
-        sin(t2)
-    );
+            cos(t2),
+            sin(t2)
+        );
 }

 // NOISE
@@ -182,15 +179,15 @@ float v_index(vec2 uv) {
    return floor(uv.x) + floor(uv.y) * 45;
 }

-vec2 v_pos(float i) {
-    int iTimeId = int(iBeats);
-    float iTimeV = iBeats - iTimeId;
+vec2 v_pos(float i, int seed, float time) {
+    int iTimeId = int(time);
+    float iTimeV = time - iTimeId;

-    float x0 = rand(i + 823 + iTimeId);
-    float y0 = rand(i + 328 + iTimeId);
+    float x0 = rand(i + seed + iTimeId);
+    float y0 = rand(i + seed + 10 + iTimeId);

-    float x1 = rand(i + 823 + iTimeId + 1);
-    float y1 = rand(i + 328 + iTimeId + 1);
+    float x1 = rand(i + seed + iTimeId + 1);
+    float y1 = rand(i + seed + 10 + iTimeId + 1);

    return vec2(
        mix(x0, x1, ease(ease(iTimeV))),
@@ -198,7 +195,7 @@ vec2 v_pos(float i) {
    );
 }

-vec4 voronoi(vec2 uv, float dist) {
+vec4 voronoi(vec2 uv, float dist, int seed, float time) {
    vec4 o = vec4(0, 0, 2, 0);
    vec4 t = vec4(0, 0, 2, 0);
    float d, i;
@@ -207,7 +204,7 @@ vec4 voronoi(vec2 uv, float dist) {
        for (int dy = -1; dy <= 1; dy++) {
            uv2 = vec2(floor(uv.x) + dx, floor(uv.y) + dy);
            i = v_index(uv2);
-            p = uv2 + v_pos(i) * dist;
+            p = uv2 + v_pos(i, seed, time) * dist;
            d = length(p - uv);
            if (d < o.z) {
                t = o;
@@ -260,9 +257,9 @@ float line(vec2 uv, vec2 p1, vec2 p2, float thick) {

    if (abs(p.y) > abs(p.x)) {
        k = vec2(
-            uv.x - p.x * uv.y / p.y,
-            uv.y / p.y
-        );
+                uv.x - p.x * uv.y / p.y,
+                uv.y / p.y
+            );

        return step(k.x, thick * 0.5)
            * step(-k.x, thick * 0.5)
@@ -270,9 +267,9 @@ float line(vec2 uv, vec2 p1, vec2 p2, float thick) {
            * (1 - step(k.y, 0));
    } else {
        k = vec2(
-            uv.x / p.x,
-            uv.y - p.y * uv.x / p.x
-        );
+                uv.x / p.x,
+                uv.y - p.y * uv.x / p.x
+            );

        return step(k.y, thick * 0.5)
            * step(-k.y, thick * 0.5)
@@ -281,7 +278,16 @@ float line(vec2 uv, vec2 p1, vec2 p2, float thick) {
    }
 }

-const mat2x2 ISOMETRIC_MATRIX = {{0.5, 1}, {0.5, -1}};
+const mat2x2 ISOMETRIC_MATRIX = {
+        {
+            0.5,
+            1
+        },
+        {
+            0.5,
+            -1
+        }
+    };

 vec2 iso(vec2 p) {
    return p * ISOMETRIC_MATRIX;
@@ -302,14 +308,14 @@ vec2 iso(vec3 uv) {

 vec4 reframe(sampler2D tex, vec2 uv)
 {
-    uv = uv * vec2(iResolution.y / iResolution.x, 1)  + .5;
+    uv = uv * vec2(iResolution.y / iResolution.x, 1) + .5;
    uv = saw(uv);
    return texture(tex, uv);
 }

 vec4 reframe_b(sampler2D tex, vec2 uv)
 {
-    uv = uv * vec2(iResolution.y / iResolution.x, 1)  + .5;
+    uv = uv * vec2(iResolution.y / iResolution.x, 1) + .5;
    return texture(tex, uv);
 }

@@ -101,7 +101,139 @@ subroutine ( src_stage_sub ) vec4 src_3(vec2 vUV, int seed, vec3 b1, vec2 f1, ve
    return vec4(f);
 }

-// SRC 4 : circuit
+// // SRC 4 : circuit
+// subroutine ( src_stage_sub ) vec4 src_4(vec2 vUV, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3)
+// {
+//     // start
+
+//     vec2 uv0 = vUV.st;
+//     float ratio = iResolution.x / iResolution.y;
+//     vec2 uv1 = (uv0 - .5) * vec2(ratio, 1);
+
+//     // controls
+
+//     float z = 10 + magic(f1, b1, 123) * 20;
+//     float h = magic(f2, b2, seed + 20) * 0.8 + 0.1;
+//     float v = magic_reverse(f3, b3, seed + 30) * 0.8 + 0.1;
+
+//     // logic
+
+//     uv1 *= z;
+//     uv1 += iBeats;
+
+//     float s0 = rand(floor(mod(uv1, 1000))) * 1000;
+//     float s1 = rand(floor(mod(uv1 + vec2(0, 1), 1000))) * 1000;
+//     float s2 = rand(floor(mod(uv1 - vec2(1, 0), 1000))) * 1000;
+
+//     bool up = rand(s1 + 1) < h;
+//     bool left = rand(s2 + 2) < v;
+//     bool down = rand(s0 + 1) < h;
+//     bool right = rand(s0 + 2) < v;
+//     bool up_down = up && down;
+//     bool left_right = left && right;
+
+//     uv1 = mod(uv1, 1.0) - 0.5;
+
+//     const float t = 0.1;
+
+//     float f = 0;
+//     int c = 0;
+
+//     if (up) {
+//         f += stripe(uv1.x, -t * 0.5, t * 0.5) * step(-t * 0.5, uv1.y);
+//         c += 1;
+//     }
+
+//     if (down) {
+//         f += stripe(uv1.x, -t * 0.5, t * 0.5) * istep(t * 0.5, uv1.y);
+//         c += 1;
+//     }
+
+//     if (left) {
+//         f += stripe(uv1.y, -t * 0.5, t * 0.5) * istep(t * 0.5, uv1.x);
+//         c += 1;
+//     }
+
+//     if (right) {
+//         f += stripe(uv1.y, -t * 0.5, t * 0.5) * step(-t * 0.5, uv1.x);
+//         c += 1;
+//     }
+
+//     if (c == 1) {
+//         f += istep(t, length(uv1));
+//     }
+
+//     f = min(f, 1);
+
+//     if ((up_down ^^ left_right) && c == 2) {
+//         if (up_down) {
+//             uv1.xy = uv1.yx;
+//         }
+//         if (rand(s0 + 3) < 0.5) {
+//             uv1.x = -uv1.x;
+//         }
+//         float k = rand(s0 + 4) * 60;
+//         f -= rect(uv1, vec2(0), vec2(t * 3, t));
+//         f = max(0, f);
+//         if (k < 10) { // resistor
+//             f += line(uv1, vec2(-t * 3.25, -t * 0.5), vec2(-t * 2.5, t * 2), t * 0.75);
+//             f += line(uv1, vec2(-t * 2.5, t * 2), vec2(-t * 1.5, -t * 2), t * 0.75);
+//             f += line(uv1, vec2(-t * 1.5, -t * 2), vec2(-t * 0.5, t * 2), t * 0.75);
+//             f += line(uv1, vec2(-t * 0.5, t * 2), vec2(t * 0.5, -t * 2), t * 0.75);
+//             f += line(uv1, vec2(t * 0.5, -t * 2), vec2(t * 1.5, t * 2), t * 0.75);
+//             f += line(uv1, vec2(t * 1.5, t * 2), vec2(t * 2.5, -t * 2), t * 0.75);
+//             f += line(uv1, vec2(t * 2.5, -t * 2), vec2(t * 3.25, t * 0.5), t * 0.75);
+//         } else if (k < 20) { // capacitor
+//             f += rect(uv1, vec2(-t * 2, 0), vec2(t, t * 0.5));
+//             f += rect(uv1, vec2(t * 2, 0), vec2(t, t * 0.5));
+//             f += rect(uv1, vec2(t, 0), vec2(t * 0.5, t * 3.5));
+//             f += rect(uv1, vec2(-t, 0), vec2(t * 0.5, t * 3.5));
+//         } else if (k < 30) { // diode
+//             f += line(uv1, vec2(-t * 2, t * 2.5), vec2(t * 2, 0), t);
+//             f += line(uv1, vec2(-t * 2, -t * 2.5), vec2(t * 2, 0), t);
+//             f += rect(uv1, vec2(t * 2.5, 0), vec2(t * 0.5, t * 3));
+//             f += rect(uv1, vec2(-t * 2.5, 0), vec2(t * 0.5, t * 3));
+//         } else if (k < 40) { // lamp
+//             f += istep(t * 3.5, length(uv1));
+//             f -= istep(t * 2.5, length(uv1));
+//             f += line(uv1, vec2(-t * 2), vec2(t * 2), t);
+//             f += line(uv1, vec2(-t * 2, t * 2), vec2(t * 2, -t * 2), t);
+//         } else if (k < 50) { // inductor
+//             f += istep(t * 2, length(uv1 - vec2(t * 2.5, 0)));
+//             f += istep(t * 2, length(uv1 - vec2(0, 0)));
+//             f += istep(t * 2, length(uv1 - vec2(-t * 2.5, 0)));
+//             f -= 2 * istep(t, length(uv1 - vec2(t * 2.5, 0)));
+//             f -= 2 * istep(t, length(uv1 - vec2(0, 0)));
+//             f -= 2 * istep(t, length(uv1 - vec2(-t * 2.5, 0)));
+//             f *= step(-t * 0.5, uv1.y);
+//         } else if (k < 60) { // switch
+//             f += istep(t, length(uv1 - vec2(t * 2.5, 0)));
+//             f += istep(t, length(uv1 + vec2(t * 2.5, 0)));
+//             f += line(uv1, vec2(t * 2, 0), vec2(-t * 2.5, t * (k < 55 ? 3 : 1)), t);
+//         }
+//     } else if (c == 3) {
+//         if (left_right) {
+//             uv1.xy = uv1.yx;
+//             if (up) {
+//                 uv1.x = -uv1.x;
+//             }
+//         } else if (right) {
+//             uv1.x = -uv1.x;
+//         }
+//         float k = rand(s0 + 4) * 20;
+//         if (k < 10) {
+//             f -= rect(uv1, vec2(0), vec2(t * 3));
+//             f = max(0, f);
+//             f += rect(uv1, vec2(-t * 3, 0), vec2(t * 0.5, t * 3));
+//             f += line(uv1, vec2(t * 0.25, t * 3.25), vec2(-t * 3, t), t);
+//             f += line(uv1, vec2(t * 0.25, -t * 3.25), vec2(-t * 3, -t), t);
+//         }
+//     }
+
+//     return vec4(f);
+// }
+
+// SRC 4 : bacteria
 subroutine ( src_stage_sub ) vec4 src_4(vec2 vUV, int seed, vec3 b1, vec2 f1, vec3 b2, vec2 f2, vec3 b3, vec2 f3)
 {
    // start
@@ -112,123 +244,19 @@ subroutine ( src_stage_sub ) vec4 src_4(vec2 vUV, int seed, vec3 b1, vec2 f1, ve

    // controls

-    float z = 10 + magic(f1, b1, 123) * 20;
-    float h = magic(f2, b2, seed + 20) * 0.8 + 0.1;
-    float v = magic_reverse(f3, b3, seed + 30) * 0.8 + 0.1;
+    float zoom = 2 + magic(f1, b1, seed + 10) * 20;
+    float details = 5 * magic(f2, b2, seed + 20);
+    float delta = magic(f3, b3, seed + 30);

    // logic

-    uv1 *= z;
-    uv1 += iBeats;
+    uv1 *= zoom;

-    float s0 = rand(floor(mod(uv1, 1000))) * 1000;
-    float s1 = rand(floor(mod(uv1 + vec2(0, 1), 1000))) * 1000;
-    float s2 = rand(floor(mod(uv1 - vec2(1, 0), 1000))) * 1000;
+    vec4 data = voronoi(uv1, 1, seed + 40, iBeats * 0.25);

-    bool up = rand(s1 + 1) < h;
-    bool left = rand(s2 + 2) < v;
-    bool down = rand(s0 + 1) < h;
-    bool right = rand(s0 + 2) < v;
-    bool up_down = up && down;
-    bool left_right = left && right;
+    float f = ease(data.x) + ease(data.y);

-    uv1 = mod(uv1, 1.0) - 0.5;
-
-    const float t = 0.1;
-
-    float f = 0;
-    int c = 0;
-
-    if (up) {
-        f += stripe(uv1.x, -t * 0.5, t * 0.5) * step(-t * 0.5, uv1.y);
-        c += 1;
-    }
-
-    if (down) {
-        f += stripe(uv1.x, -t * 0.5, t * 0.5) * istep(t * 0.5, uv1.y);
-        c += 1;
-    }
-
-    if (left) {
-        f += stripe(uv1.y, -t * 0.5, t * 0.5) * istep(t * 0.5, uv1.x);
-        c += 1;
-    }
-
-    if (right) {
-        f += stripe(uv1.y, -t * 0.5, t * 0.5) * step(-t * 0.5, uv1.x);
-        c += 1;
-    }
-
-    if (c == 1) {
-        f += istep(t, length(uv1));
-    }
-
-    f = min(f, 1);
-
-    if ((up_down ^^ left_right) && c == 2) {
-        if (up_down) {
-            uv1.xy = uv1.yx;
-        }
-        if (rand(s0 + 3) < 0.5) {
-            uv1.x = -uv1.x;
-        }
-        float k = rand(s0 + 4) * 60;
-        f -= rect(uv1, vec2(0), vec2(t * 3, t));
-        f = max(0, f);
-        if (k < 10) { // resistor
-            f += line(uv1, vec2(-t * 3.25, -t * 0.5), vec2(-t * 2.5, t * 2), t * 0.75);
-            f += line(uv1, vec2(-t * 2.5, t * 2), vec2(-t * 1.5, -t * 2), t * 0.75);
-            f += line(uv1, vec2(-t * 1.5, -t * 2), vec2(-t * 0.5, t * 2), t * 0.75);
-            f += line(uv1, vec2(-t * 0.5, t * 2), vec2(t * 0.5, -t * 2), t * 0.75);
-            f += line(uv1, vec2(t * 0.5, -t * 2), vec2(t * 1.5, t * 2), t * 0.75);
-            f += line(uv1, vec2(t * 1.5, t * 2), vec2(t * 2.5, -t * 2), t * 0.75);
-            f += line(uv1, vec2(t * 2.5, -t * 2), vec2(t * 3.25, t * 0.5), t * 0.75);
-        } else if (k < 20) { // capacitor
-            f += rect(uv1, vec2(-t * 2, 0), vec2(t, t * 0.5));
-            f += rect(uv1, vec2(t * 2, 0), vec2(t, t * 0.5));
-            f += rect(uv1, vec2(t, 0), vec2(t * 0.5, t * 3.5));
-            f += rect(uv1, vec2(-t, 0), vec2(t * 0.5, t * 3.5));
-        } else if (k < 30) { // diode
-            f += line(uv1, vec2(-t * 2, t * 2.5), vec2(t * 2, 0), t);
-            f += line(uv1, vec2(-t * 2, -t * 2.5), vec2(t * 2, 0), t);
-            f += rect(uv1, vec2(t * 2.5, 0), vec2(t * 0.5, t * 3));
-            f += rect(uv1, vec2(-t * 2.5, 0), vec2(t * 0.5, t * 3));
-        } else if (k < 40) { // lamp
-            f += istep(t * 3.5, length(uv1));
-            f -= istep(t * 2.5, length(uv1));
-            f += line(uv1, vec2(-t * 2), vec2(t * 2), t);
-            f += line(uv1, vec2(-t * 2, t * 2), vec2(t * 2, -t * 2), t);
-        } else if (k < 50) { // inductor
-            f += istep(t * 2, length(uv1 - vec2(t * 2.5, 0)));
-            f += istep(t * 2, length(uv1 - vec2(0, 0)));
-            f += istep(t * 2, length(uv1 - vec2(-t * 2.5, 0)));
-            f -= 2 * istep(t, length(uv1 - vec2(t * 2.5, 0)));
-            f -= 2 * istep(t, length(uv1 - vec2(0, 0)));
-            f -= 2 * istep(t, length(uv1 - vec2(-t * 2.5, 0)));
-            f *= step(-t * 0.5, uv1.y);
-        } else if (k < 60) { // switch
-            f += istep(t, length(uv1 - vec2(t * 2.5, 0)));
-            f += istep(t, length(uv1 + vec2(t * 2.5, 0)));
-            f += line(uv1, vec2(t * 2, 0), vec2(-t * 2.5, t * (k < 55 ? 3 : 1)), t);
-        }
-    } else if (c == 3) {
-        if (left_right) {
-            uv1.xy = uv1.yx;
-            if (up) {
-                uv1.x = -uv1.x;
-            }
-        } else if (right) {
-            uv1.x = -uv1.x;
-        }
-        float k = rand(s0 + 4) * 20;
-        if (k < 10) {
-            f -= rect(uv1, vec2(0), vec2(t * 3));
-            f = max(0, f);
-            f += rect(uv1, vec2(-t * 3, 0), vec2(t * 0.5, t * 3));
-            f += line(uv1, vec2(t * 0.25, t * 3.25), vec2(-t * 3, t), t);
-            f += line(uv1, vec2(t * 0.25, -t * 3.25), vec2(-t * 3, -t), t);
-        }
-    }
+    f = saw(f * (1 + data.x * details) - delta * 2.0);

    return vec4(f);
 }
@@ -254,7 +282,7 @@ subroutine ( src_stage_sub ) vec4 src_5(vec2 vUV, int seed, vec3 b1, vec2 f1, ve
    vec2 uv2 = uv1;
    uv2 *= zoom * 20 + 3;
    uv2.x += iBeats;
-    vec4 data = voronoi(uv2, voronoi_distort);
+    vec4 data = voronoi(uv2, voronoi_distort, seed + 50, iBeats);
    float f = data.x / (data.x + data.y);
    f = sin(f * PI * (details * 20)) * 0.5 + 1;
    int nf = int(noise_factor * 6);
Author	SHA1	Message	Date
klemek	433cf61a91	forge (steel) v1.1.1 Clang Build CI / run-no-video (push) Successful in 1m18s Details Clang Build CI / build-release (push) Successful in 1m30s Details Clang Build CI / run-video (push) Successful in 1m26s Details Clang Lint CI / lint-no-video (push) Successful in 1m22s Details Clang Lint CI / lint-video (push) Successful in 1m17s Details	2026-05-16 00:33:24 +02:00
klemek	fe3316f730	feat: better src 4	2026-05-16 00:32:41 +02:00
klemek	96f97d81df	fix: update default project with internal buffer swap	2026-05-15 16:36:57 +02:00
klemek	365fee352e	tools: better clean	2026-05-15 00:24:16 +02:00