ShaderJoy ——螺旋线闪光粒子效果【GLSL】

效果图

完整代码和注释

const float rad = 0.9;
const float dots = 64.0;
const float duration = 180.0;
const vec3 colorsep = vec3(0, 2.09, 4.18);
const float PI = 3.1415926535897932384626433832795;
const float PI2 = 2.0 * PI;#iUniform float power = 1.5 in {0., 6.}
void mainImage( out vec4 fragColor, in vec2 fragCoord )
{/// [0., 1.] -> [-.5, .5]vec2 p = -1.0 + 2.0 * fragCoord.xy / iResolution.xy;float tm = mod(iTime, duration) / duration;                         ///< 时间周期性p.y *= iResolution.y / iResolution.x;vec3 gradient = vec3(0.0);for (float i = 1.0; i <= dots;