// rework of this https://glslsandbox.com/e#80649.0#ifdef GL_ESprecision mediump float;#endif//uniform float iTime;//uniform vec2 iResolution;#define PI 3.14159265358979vec3 color = 0.3*vec3(1.0,0.7,0.3);float d2y(float d){return 1./(0.5+d)*sin(iTime/7.);}float radius = 0.95;float rad(float radius)