shader_type spatial;
render_mode blend_add,unshaded,depth_test_disabled;

uniform sampler2D tex_main : source_color;

void fragment() {
	vec4 col = texture(tex_main, UV);
    if(col.r==0.0){
        discard;
    }
	ALBEDO = COLOR.rgb * col.r;
	ALPHA = COLOR.a * col.r;
    EMISSION = vec3(col.r);
}