Distorts the UI with a blur while scrolling.
Use the code below to add this shader to a Flutter app. If you’re not sure what to do with the provided code, check out our usage guide, or learn how shaders works.
# version 460 core
# include <flutter/runtime_effect.glsl>
uniform vec2 u_size;
uniform vec2 u_velocity;
uniform sampler2D u_texture;
out vec4 frag_color;
void main() {
float q = 24.0;
vec2 p = FlutterFragCoord().xy / u_size ;
vec2 v = u_velocity/ u_size / 2;
float o = -pow(p.y * 2 - 1, 6) + 1;
vec4 new_p = vec4(0);
for (int i = 0; i < q; i++) {
new_p += texture(u_texture, vec2(p.x + (( (o - 1) * length(v.y) * 6 * ((p.x - 0.5))) ) + (v.x * i) / q, p.y + 0.01 + (v.y * i) / q));
}
new_p /= q;
frag_color = new_p;
}