WebGL Shader Manager v3 - Alle Uniforms

✎ Fire Shader

Bereit

Vertex Shader

attribute vec2 a_position;
void main() {
    gl_Position = vec4(a_position, 0.0, 1.0);
}

Fragment Shader

precision mediump float;
uniform float u_time;
uniform vec2 u_resolution;
uniform vec2 u_mouseNorm;
uniform float u_audioVolume;

float hash(vec2 p) { return fract(sin(dot(p, vec2(127.1, 311.7))) * 43758.5453); }
float noise(vec2 p) {
    vec2 i = floor(p), f = fract(p);
    f = f*f*(3.0-2.0*f);
    return mix(mix(hash(i), hash(i+vec2(1.0,0.0)), f.x),
               mix(hash(i+vec2(0.0,1.0)), hash(i+vec2(1.0,1.0)), f.x), f.y);
}

void main() {
    vec2 uv = gl_FragCoord.xy / u_resolution.xy;
    float t = u_time;
    vec2 p = uv * vec2(3.0, 4.0);
    p.y += t * 0.8;
    float n = noise(p) + noise(p * 2.0) * 0.5 + noise(p * 4.0) * 0.25;
    float fire = smoothstep(0.4, 0.8, n) * (1.0 - uv.y);
    fire += u_audioVolume * 0.2 * (1.0 - uv.y);
    vec3 col = vec3(0.0);
    col = mix(col, vec3(0.8, 0.1, 0.0), smoothstep(0.0, 0.3, fire));
    col = mix(col, vec3(1.0, 0.5, 0.0), smoothstep(0.3, 0.6, fire));
    col = mix(col, vec3(1.0, 0.9, 0.3), smoothstep(0.6, 1.0, fire));
    float smoke = smoothstep(0.3, 0.7, n) * uv.y * 0.3;
    col += vec3(0.1, 0.1, 0.15) * smoke;
    float mouseDist = length(uv - u_mouseNorm);
    col += vec3(1.0, 0.5, 0.0) * smoothstep(0.2, 0.0, mouseDist) * 0.5;
    gl_FragColor = vec4(col, 1.0);
}

⬇ Export JSON ← Zurück

Live-Vorschau

FPS: --