vec4 fall_and_rotate(vec3 coords_geo, vec3 size_geo) { float progress = niri_clamped_progress * niri_clamped_progress; vec2 coords = (coords_geo.xy - vec2(0.5, 1.0)) * size_geo.xy; coords.y -= progress * 1440.0; float random = (niri_random_seed - 0.5) / 2.0; random = sign(random) - random; float max_angle = 0.5 * random; float angle = progress * max_angle; mat2 rotate = mat2(cos(angle), -sin(angle), sin(angle), cos(angle)); coords = rotate * coords; coords_geo = vec3(coords / size_geo.xy + vec2(0.5, 1.0), 1.0); vec3 coords_tex = niri_geo_to_tex * coords_geo; vec4 color = texture2D(niri_tex, coords_tex.st); return color; } vec4 close_color(vec3 coords_geo, vec3 size_geo) { return fall_and_rotate(coords_geo, size_geo); }