How to reproduce this video？
GO TO www.shadertoy.com/new
PASTE THE FOLOWING CODE (REPLACE LESSTHAN WITH ＜ )
vec3 palette( float t ) {
vec3 a = vec3(0.000, 0.500, 0.500);
vec3 b = vec3(0.000, 0.500, 0.500);
vec3 c = vec3(0.000, 0.333, 0.500);
vec3 d = vec3(0.000, 0.667, 0.500);
return a + b*cos( 6.28318*(c*t+d) );
}
void mainImage( out vec4 fragColor, in vec2 fragCoord ) {
vec2 uv = (fragCoord * 2.0 - iResolution.xy) / iResolution.y;
vec2 uv0 = uv;
vec3 finalColor = vec3(0.0);
for (float i = 0.0; i LESSTHAN 7.0; i++) {
uv = fract(uv * 1.414) - 0.5;
float d = length(uv) * exp(-length(uv0));
vec3 col = palette(length(uv0) + i*.3 + iTime*.7);
d = sin(d*8. + iTime*.8)/8.;
d = abs(d);
d = pow(0.01 / d, 1.2);
finalColor += col * d;
}
fragColor = vec4(finalColor, 1.);
}