"Flow noise" is a neat trick for 2-D noise, where you rotate the gradients at the grid points and displace later terms in a fractal sum by the accumulated gradients of previous terms. It's a cheat with no strong connection to physics, but it can create a visual impression of turbulent...
// Fractal noise floatfbm(vec2 p) { float a = 0.5; float r = 0.0; for (int i = 0; i < 8; i++) { r += a*noise(p); a *= 0.5; p *= 2.0; } return r; } // Lasers originating from a central point floatlaser(vec2 p, int num) { float r = atan(p.x, p.y); ...
// Fractal noise float fbm(vec2 p) { float a = 0.5; float r = 0.0; for (int i = 0; i < 8; i++) { r += a*noise(p); a *= 0.5; p *= 2.0; } return r; } // Lasers originating from a central point float laser(vec2 p, int num) { float r =...
// Fractal noise floatfbm(vec2 p) { float a = 0.5; float r = 0.0; for (int i = 0; i < 8; i++) { r += anoise§; a = 0.5; p = 2.0; } return r; } // Lasers originating from a central point floatlaser(vec2 p, int num) { float r = atan(p.x, p.y); float ...
/// Fractal Brownian motion. /// /// Refer to: /// EN:https://thebookofshaders.com/13/ /// JP:https://thebookofshaders.com/13/?lan=jp /// float fbm(vec3 p) { float f; f = 0.5000 * noise(p); p = m * p * 2.02; ...
/// Fractal Brownian motion. /// /// Refer to: /// EN: https://thebookofshaders.com/13/ /// JP: https://thebookofshaders.com/13/?lan=jp /// floatfbm(vec3 p) { floatf; f =0.5000* noise(p); p = m * p *2.02; ...
Fast Portable Noise Library - C# C++ C Java HLSL GLSL JavaScript Rust Go auburn.github.io/FastNoiseLite/ Topics procedural-generation terrain-generation simplex shader procedural noise voronoi noise-algorithms perlin perlin-noise noise-generator hacktoberfest fractal-algorithms cellular-noise simplex-...
gl_FragColor=vec4(0,0,0,1); //background color } } I also added in thecode sample packtwo variations or the Menger sponge fractal: theMenger Journeyand theMenger Tower: Menger Journey Menger Tower Related posts: Building Worlds With Distance Functions in GLSL (Raymarching)...
–noise blur –mountains –fractal on fire –flame TIPS You can benchmark each demo withGLSL Hackerby using some command line options (available on Windows, Linux and OS X): GLSLHacker.exe /demofile="GLSL_ShaderToy/regular_4d_polytopes.xml" /benchmark_duration_ms=10000 ...
// Gold Noise ©2017 dcerisano@standard3d.com // - based on the golden ratio, PI, and the square root of two // - faster one-line fractal noise generator function // - improved random distribution // - works with all chipsets (including low precision) // - gpu-optimized floating po...