Patricio Gonzalez Vivo patriciogonzalezvivo
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| "frag": "// © 2026 Patricio Gonzalez Vivo. All rights reserved\n\n#ifdef GL_ES\nprecision highp float;\n#endif\n\nuniform sampler2D u_tex0;\nuniform vec2\t\tu_tex0Resolution;\nuniform sampler2D u_doubleBuffer0; // 128x128\nuniform sampler2D u_scene;\n\nuniform vec2 u_resolution;\nuniform float u_time;\nuniform float u_delta;\nuniform int u_frame;\nuniform int \t\tu_cameraChange;\n\nvarying vec4 v_color;\nvarying vec2 v_texcoord;\n\n#include \"lygia/math/const.glsl\"\n#include \"lygia/math/decimate.glsl\"\n#include \"lygia/math/saturate.glsl\"\n#include \"lygia/space/ratio.glsl\"\n#include \"lygia/color/luma.glsl\"\n#include \"lygia/draw/fill.glsl\"\n#include \"lygia/generative/random.glsl\"\n#include \"lygia/sample/zero.glsl\"\n\n#define STEPS 36\nvec2 buffRes = vec2(128.0);\nfloat maxSpeed = 0.5;\nfloat dotSize = 10.0;\n\n\nvoid main(void) {\n vec4 color = vec4(vec3(0.0), 1.0);\n \n vec2 buffPixel = 1.0/buffRes;\n vec2 pixel = 1.0/u_resolution;\n |
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| "frag": "#ifdef GL_ES\nprecision highp float;\n#endif\n\nuniform sampler2D u_tex0;\nuniform sampler2D u_doubleBuffer0; // 128x128\nuniform sampler2D u_scene;\n\nuniform vec2 u_resolution;\nuniform float u_time;\nuniform float u_delta;\nuniform int u_frame;\n\nvarying vec4 v_color;\nvarying vec2 v_texcoord;\n\n#include \"lygia/math/const.glsl\"\n#include \"lygia/math/decimate.glsl\"\n#include \"lygia/math/saturate.glsl\"\n#include \"lygia/color/luma.glsl\"\n#include \"lygia/draw/fill.glsl\"\n#include \"lygia/generative/random.glsl\"\n\n#define STEPS 36\nvec2 buffRes = vec2(128.0);\nfloat maxSpeed = 0.5;\nfloat dotSize = 10.0;\n\nvec2 buffPixel = 1.0/buffRes;\nvec2 pixel = 1.0/u_resolution;\n\nvoid main(void) {\n vec4 color = vec4(vec3(0.0), 1.0);\n \n vec2 st = v_texcoord;\n vec2 data_uv = decimate(st, buffRes) + 0.5 * buffPixel;\n vec4 data = texture2D(u_doubleBuffer0, data_uv);\n\n// PARTICLES PINGPONG\n#if defined(DOUBLE_BUFFER_0)\n\n // I |
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| "frag": "#ifdef GL_ES\nprecision highp float;\n#endif\n\nuniform sampler2D u_tex0;\nuniform sampler2D u_doubleBuffer0; // 128x128\nuniform sampler2D u_scene;\n\nuniform vec2 u_resolution;\nuniform float u_time;\nuniform float u_delta;\nuniform int u_frame;\n\nvarying vec4 v_color;\nvarying vec2 v_texcoord;\n\n#include \"lygia/math/const.glsl\"\n#include \"lygia/math/decimate.glsl\"\n#include \"lygia/math/saturate.glsl\"\n#include \"lygia/color/luma.glsl\"\n#include \"lygia/draw/fill.glsl\"\n#include \"lygia/generative/random.glsl\"\n\n\nvec2 buffRes = vec2(128.0);\nfloat maxSpeed = 0.5;\nfloat dotSize = 10.0;\n\nvec2 buffPixel = 1.0/buffRes;\nvec2 pixel = 1.0/u_resolution;\n\nvoid main(void) {\n vec4 color = vec4(vec3(0.0), 1.0);\n \n vec2 st = v_texcoord;\n vec2 data_uv = decimate(st, buffRes) + 0.5 * buffPixel;\n vec4 data = texture2D(u_doubleBuffer0, data_uv);\n\n// PARTICLES PINGPONG\n#if defined(DOUBLE_BUFFER_0)\n\n // Initial parameter |
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| "frag": "#ifdef GL_ES\nprecision mediump float;\n#endif\n\nuniform vec2 u_resolution;\nuniform vec2 u_mouse;\nuniform float u_time;\n\n#define W2RGB_FNC spectral_zucconi6\n#define W2RGB_ITERATIONS 20.\n\n#include \"lygia/math/map.glsl\"\n#include \"lygia/color/space.glsl\"\n#include \"lygia/color/palette/spectral.glsl\"\n\n#include \"lygia/draw/digits.glsl\"\n\nvoid main(void) {\n vec4 color = vec4(vec3(0.0), 1.0);\n vec2 pixel = 1.0/u_resolution.xy;\n vec2 st = gl_FragCoord.xy * pixel;\n\n float x = st.x;\n float w = mix(400., 700., st.x);\n\n if (st.y > 0.8)\n color.rgb = spectral( x );\n else if (st.y > 0.7)\n color.rgb = spectral( x, map(st.y, 0.8, 0.7, 0.0, 1.0) );\n else if (st.y > 0.6)\n color.rgb = spectral_geoffrey( x );\n else if (st.y > 0.5)\n color.rgb = spectral_zucconi( x );\n else if (st.y > 0.4)\n color.rgb = spectral_zucconi6( x );\n else if (st.y > 0.3)\n color.rgb = spectral_gems( x );\n else if (st.y |
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| "frag": "#ifdef GL_ES\nprecision mediump float;\n#endif\n\nuniform vec2 u_resolution;\nuniform vec2 u_mouse;\nuniform float u_time;\n\n#include \"lygia/math/const.glsl\"\n#include \"lygia/math/decimate.glsl\"\n#include \"lygia/math/cubicMix.glsl\"\n#include \"lygia/draw/circle.glsl\"\n\n// #define RYB_FAST\n#define RYB_LERP(A, B, T) cubicMix(A, B, T)\n#include \"lygia/color/hueShiftRYB.glsl\"\n// #define HSV2RYB_FAST\n#include \"lygia/color/space/hsv2ryb.glsl\"\n\n\nvoid main(void) {\n vec4 color = vec4(1.);\n vec2 pixel = 1./u_resolution.xy;\n vec2 st = gl_FragCoord.xy * pixel;\n\n // Color Wheel\n vec2 p = st * 2.0 - 1.0;\n p *= 1.1;\n float a = atan(p.y, -p.x);\n a = decimate(a, 3.0);\n float l = saturate(length(p));\n vec3 w = hsv2ryb(vec3(a/TAU + 0.5, 1.0, decimate( l, 6.0) ));\n color.rgb = mix(color.rgb, w, aastep(l, 1.0));\n\n // Mouse Pointer\n vec2 p_mouse = (u_mouse * pixel) * 2.0 - 1.0;\n float a_mouse = atan(p_mouse.y, -p_mouse.x); |
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| "frag": "#ifdef GL_ES\nprecision mediump float;\n#endif\n\nuniform vec2 u_resolution;\nuniform vec2 u_mouse;\nuniform float u_time;\n\n#include \"lygia/draw/char.glsl\"\n#include \"lygia/generative/random.glsl\"\n\nvoid main(void) {\n vec4 color = vec4(vec3(0.0), 1.0);\n vec2 pixel = 1.0/u_resolution.xy;\n vec2 st = gl_FragCoord.xy * pixel;\n \n\n int char_code[13];\n char_code[0] = CHAR_H;\n char_code[1] = CHAR_E;\n char_code[2] = CHAR_L;\n char_code[3] = CHAR_L;\n char_code[4] = CHAR_O;\n char_code[5] = CHAR_COMMA;\n char_code[6] = CHAR_SPACE;\n char_code[7] = CHAR_W;\n char_code[8] = CHAR_O;\n char_code[9] = CHAR_R;\n char_code[10] = CHAR_L;\n char_code[11] = CHAR_D;\n char_code[12] = CHAR_EXCLAMATION;\n\n st *= vec2(13.0, 8.0);\n vec2 st_f = fract(st);\n vec2 st_i = floor(st);\n\n int index = int(st_i.x);\n\n // #if defined(PLATFORM_WEBGL)\n int c = 0;\n for (int i = 0; i < 13; i++) {\n if (i == index) \n |
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| "frag": "#ifdef GL_ES\nprecision mediump float;\n#endif\n\nuniform sampler2D u_tex0;\nuniform vec2 u_tex0Resolution;\n\nuniform vec2 u_resolution;\nuniform float u_time;\n\n#define SAMPLESPRITE_SAMPLER_FNC(TEX, UV) sampleNearest(TEX, UV, u_tex0Resolution)\n\n#include \"lygia/space/ratio.glsl\"\n#include \"lygia/sample/nearest.glsl\"\n#include \"lygia/animation/spriteLoop.glsl\"\n\nvoid main (void) {\n vec4 color = vec4(0.0, 0.0, 0.0, 1.0);\n vec2 pixel = 1.0/u_resolution.xy;\n vec2 st = gl_FragCoord.xy * pixel;\n st = ratio(st, u_resolution);\n\n vec2 grid = vec2(10., 7.0);\n\n float time = mod(u_time * 6.0, 48.0);\n if (time < 6.0)\n color = spriteLoop(u_tex0, st, grid, 0., 2., time);\n else if (time < 12.0)\n color = spriteLoop(u_tex0, st, grid, 3., 6., time);\n else if (time < 18.0)\n color = spriteLoop(u_tex0, st, grid, 13., 16., time);\n else if (time < 24.0)\n color = spriteLoop(u_tex0, st, grid, 23., 26., time);\n el |
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| "frag": "#ifdef GL_ES\nprecision mediump float;\n#endif\n\nuniform vec2 u_resolution;\nuniform vec2 u_mouse;\nuniform float u_time;\n\n// By default all 2D shapes and space functions asume\n// the center is at vec2(0.5, 0.5), this can be overloaded\n// by defining CENTER_2D to be something else, like vec2(0.0)\n// before the functions are include\n\n// #define CENTER_2D vec2(0.0)\n\n#include \"lygia/draw/fill.glsl\"\n#include \"lygia/space/aspect.glsl\"\n#include \"lygia/space/ratio.glsl\"\n#include \"lygia/space/center.glsl\"\n#include \"lygia/space/uncenter.glsl\"\n#include \"lygia/space/rotate.glsl\"\n\n#include \"lygia/sdf/circleSDF.glsl\"\n#include \"lygia/sdf/crossSDF.glsl\"\n#include \"lygia/sdf/flowerSDF.glsl\"\n#include \"lygia/sdf/gearSDF.glsl\"\n#include \"lygia/sdf/heartSDF.glsl\"\n#include \"lygia/sdf/hexSDF.glsl\"\n#include \"lygia/sdf/polySDF.glsl\"\n#include \"lygia/sdf/rectSDF.glsl\"\n#include \"lygia/sdf/raysSDF.glsl\"\n#include \"lygia/sdf/spiralSDF.glsl\"\n#include |
patriciogonzalezvivo
/ Debug RayMarching Scenes.json
Created
February 17, 2026 18:03
Debug RayMarching Scenes
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| "frag": "// Copyright Patricio Gonzalez Vivo, 2021 - http://patriciogonzalezvivo.com/\n\n#ifdef GL_ES\nprecision mediump float;\n#endif\n\nuniform vec3 u_camera;\nuniform vec3 u_light;\nuniform vec3 u_lightColor;\n\nuniform vec2 u_resolution;\nuniform vec2 u_mouse;\n\n\n// SPACE\n#define LOOK_AT_RIGHT_HANDED\n#define LIGHT_DIRECTION u_light\n#define RESOLUTION u_resolution\n#define LIGHT_COLOR vec3(0.95, 0.65, 0.5)\n#define RAYMARCH_AMBIENT vec3(0.7, 0.9, 1.0)\n#define RAYMARCH_BACKGROUND (RAYMARCH_AMBIENT + rayDirection.y * 0.8)\n#define DEBUG_FLIPPED_SPACE\n\n#define PYRAMID_POS vec3(2.0, 0.10, 2.0)\n#define CONE_POS vec3(0.0, 0.75, -2.0)\n\n#include \"lygia/space/ratio.glsl\"\n#include \"lygia/draw/matrix.glsl\"\n#include \"lygia/draw/point.glsl\"\n#include \"lygia/draw/axis.glsl\"\n#include \"lygia/space/perspective.glsl\"\n#include \"lygia/math/inverse.glsl\"\n#include \"lygia/math/transpose.glsl\"\n#include \"lygia/sdf.gls |
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| "frag": "\n#ifdef GL_ES\nprecision mediump float;\n#endif\n\nuniform vec2 u_resolution;\nuniform float u_time;\n\n#include \"lygia/math/const.glsl\"\n#include \"lygia/generative/snoise.glsl\"\n#include \"lygia/generative/gnoise.glsl\"\n#include \"lygia/generative/wavelet.glsl\"\n\nfloat gyroid (vec3 p) { return dot(sin(p),cos(p.yzx)); }\n\n#define ROT 5\nfloat ang = TAU / float(ROT);\nmat2 m = mat2( cos(ang), sin(ang),\n -sin(ang), cos(ang));\n\nfloat turb(vec3 p) {\n float result = 0.0, a = 0.5;\n p *= 2.0;\n for (int i = 0; i < ROT; ++i) {\n result += gyroid(p/a)*a;\n p.xy = m * p.xy * 0.75 + result * 0.1;\n p.z += u_time * 0.05;\n a *= 0.5;\n }\n return result;\n}\n\n// #define CURL_FNC(P) turb(P)\n// #define CURL_FNC(P) snoise(vec3((P).xy, (P).z + u_time * 0.5))\n#include \"lygia/generative/curl.glsl\"\n\nvoid main(void) {\n vec4 color = vec4(vec3(0.0), 1.0);\n vec2 pixel = 1.0/u_resolution.xy;\n vec2 st = gl_FragCoord.xy * pixel |
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