wobblyshaderjoof

extern number time;

vec4 effect(vec4 color, Image texture, vec2 tc, vec2 pixel_coords)
{
    number distanceSquared = ((tc.x-.3) * (tc.x-.3)) *.4;
    tc.y += 3.0 * tan(distanceSquared * sin(time));
    number y = tc.y;
    number x = tc.x;
    number om = sin(distanceSquared*sin(time/2560.0)) * sin(time/50.0);
    tc.y = x*sin(om) + y*cos(om);
    tc.x = x*cos(om) - y*sin(om);
    return Texel(texture, tc);
}