My first 3D game with Godot 4.4

mob/spawner/spawner_screen.gdshader

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+shader_type spatial;
+
+uniform vec4 screen_color : source_color;
+uniform sampler2D text_sampler : filter_nearest, repeat_enable;
+
+uniform float ratio = 1.0;
+
+uniform float pixel_size = 20.0;
+
+uniform float intensity = 1.5;
+
+void fragment() {
+	vec2 scaled_uv = round(UV * pixel_size) / pixel_size;
+
+	vec2 grid_2d = sin(fract(UV * pixel_size + 0.5) * 3.14);
+	float grid = grid_2d.x * grid_2d.y;
+	grid = grid * 0.6 + 0.4;
+
+	float text = 1.0 - texture(text_sampler, scaled_uv * vec2(ratio, 1.0) + vec2(mod(TIME * 0.1, 1.0), 0.0)).x;
+
+	
+	ALBEDO = vec3(0.0);
+	SPECULAR = 0.25;
+	ROUGHNESS = 0.45;
+	
+	
+	EMISSION = mix(screen_color.rgb * text, screen_color.rgb, screen_color.a) * grid * intensity;
+	
+}