#define NOTIF_CHAIN 1.

#define ENABLE_FADE 1.
#define ENABLE_NOTIF 1.

    float sides = resolution.y / resolution.x;

    const float sides = resolution.y / resolution.x;

    vec3 color = vec3(0., COL, COL);
    float size = (FADE_FACTOR - (FADE_FACTOR - 1.) * smoothstep(0., FADE_TIME, time)) * SIZE * SIZE;
    for (int n = 0; n < min(notificationCount, 7) * int(step(1., NOTIF_CHAIN)); n++) {
        float snake_dist = 2. * float(n) * CHAIN_LEN * TIME_STEP;

    lowp vec3 color = vec3(0., COL, COL);
    const float fade_progress = smoothstep(0., FADE_TIME * step(1., ENABLE_FADE), time);
    const float size = (FADE_FACTOR - (FADE_FACTOR - 1.) * fade_progress) * SIZE * SIZE;
    for (int n = 0; n < min(notificationCount, 10) * int(step(1., ENABLE_NOTIF)); n++) {
        const float snake_dist = 2. * float(n) * CHAIN_LEN * TIME_STEP;

            vec2 circ = pos((time - i * TIME_STEP + startRandom * RAND_RANGE - snake_dist) / (battery + .1));
            circ.y *= sides;
            vec2 dist = circ - uv;
            float col_val = step(dot(dist, dist), size);
            col_val *= 1. - i / CHAIN_LEN;
            col_val *= COL_RANGE;

            const float pos_time = (time + startRandom * RAND_RANGE - i * TIME_STEP - snake_dist) / (battery + .1);
            const vec2 circ = pos(pos_time) * sides;
            const vec2 dist = circ - uv;
            const float col_val = step(dot(dist, dist), size) * (1. - i / CHAIN_LEN) * COL_RANGE;