animations {
    workspace-switch {
        spring damping-ratio=0.80 stiffness=523 epsilon=0.0001
    }
window-open {
        duration-ms 1000
        curve "ease-out-expo"
        custom-shader "vec4 fall_from_top(vec3 coords_geo, vec3 size_geo) {
            float progress = niri_clamped_progress * niri_clamped_progress;
            vec2 coords = (coords_geo.xy - vec2(0.5, 0.0)) * size_geo.xy;
            coords.y += (1.0 - progress) * 1440.0;
            float max_angle = mix(-0.5, 0.5, floor(niri_random_seed * 4.0) / 3.0);
            float angle = (1.0 - 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, 0.0), 1.0);
            vec3 coords_tex = niri_geo_to_tex * coords_geo;
            return texture2D(niri_tex, coords_tex.st);
        }
        vec4 open_color(vec3 coords_geo, vec3 size_geo) {
            return fall_from_top(coords_geo, size_geo);
        }"
    }

    window-close {
        duration-ms 1000
        curve "linear"
        custom-shader "vec4 fall_to_bottom(vec3 coords_geo, vec3 size_geo) {
            float progress = niri_clamped_progress * niri_clamped_progress;
            vec2 coords = (coords_geo.xy - vec2(0.5, 0.0)) * size_geo.xy;
            coords.y -= progress * 1440.0;
            float max_angle = mix(-0.5, 0.5, floor(niri_random_seed * 4.0) / 3.0);
            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, 0.0), 1.0);
            vec3 coords_tex = niri_geo_to_tex * coords_geo;
            return texture2D(niri_tex, coords_tex.st);
        }
        vec4 close_color(vec3 coords_geo, vec3 size_geo) {
            return fall_to_bottom(coords_geo, size_geo);
        }"
    }
}