shader_type spatial;
render_mode blend_mix, depth_prepass_alpha;

uniform vec4 albedo_color : source_color;
instance uniform float built_amount = 2.0;

varying float model_y;

// Called for every vertex the material is visible on.
void vertex() {
	model_y = VERTEX.y;
}

// Called for every pixel the material is visible on.
void fragment() {
	float base_opacity = 0.25;
	
	if (model_y > built_amount) {
		ALPHA = base_opacity;
	} else {
		ALPHA = 1.0;
	}

	ALBEDO.rgb = albedo_color.rgb;
}

// Called for every pixel for every light affecting the material.
//void light() {
//}