shader_type canvas_item;

uniform float corner_radius = 0.22;
uniform float edge_feather = 0.008;

void fragment() {
	vec2 q = abs(UV - vec2(0.5)) - (vec2(0.5) - vec2(corner_radius));
	float outside_distance = length(max(q, vec2(0.0)));
	float inside_distance = min(max(q.x, q.y), 0.0);
	float signed_distance = outside_distance + inside_distance - corner_radius;
	float mask = 1.0 - smoothstep(0.0, edge_feather, signed_distance);

	COLOR = texture(TEXTURE, UV);
	COLOR.a *= mask;
}