starruler-linux/data/shaders/source/distant_faded_icon_ps.txt

varying vec2 uv;

void main() {
	float rad = length(uv - vec2(0.5));
	if(rad > 0.33)
		discard;
	gl_FragColor = vec4(gl_Color.rgb, (1.0 - max((rad - 0.28) / 0.05, 0.0)) * gl_Color.a);
}