Transparent walls

See the player through walls in teh foreground

Shader code

shader_type canvas_item;

uniform vec2 player_pos = vec2(576,324);
uniform float max_distance = 75.0;
uniform float num = 0;
void fragment() {
	if (COLOR.a!=0.0){
		vec2 place = FRAGCOORD.xy;
		float distance_to_player = distance(FRAGCOORD.xy, vec2(576,324));
		COLOR.a = clamp(((distance_to_player-max_distance)/max_distance*5.0),0.3,1);
	};
}

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