create weather controller and daynight controller

core/daynight/fog.gdshader

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+shader_type spatial;
+render_mode unshaded, depth_draw_never, cull_disabled, blend_mix;
+/*
+group_uniforms TextureCheck;
+uniform sampler2D fog_noise : repeat_enable, filter_linear_mipmap;
+uniform bool use_red_as_alpha = true;
+
+group_uniforms Settings;
+uniform vec4 fog_color : source_color = vec4(0.8, 0.85, 0.9, 0.5);
+uniform vec2 scroll_speed = vec2(0.05, 0.01);
+uniform vec2 texture_scale = vec2(1.0, 1.0);
+
+group_uniforms Edges;
+uniform float edge_softness_y : hint_range(0.0, 0.5) = 0.2;
+uniform float edge_softness_x : hint_range(0.0, 0.5) = 0.1;
+
+group_uniforms Illumination;
+uniform float night_intensity : hint_range(0.0, 1.0) = 0.0;
+uniform vec3 sun_color : source_color = vec3(1.0);
+
+void fragment() {
+	vec2 moving_uv = UV * texture_scale + (TIME * scroll_speed);
+	vec4 noise_tex = texture(fog_noise, moving_uv);
+	
+	float noise_alpha = noise_tex.a;
+	if (use_red_as_alpha) {
+		noise_alpha = noise_tex.r;
+	}
+	
+	float fade_y = smoothstep(0.0, edge_softness_y, UV.y) * smoothstep(1.0, 1.0 - edge_softness_y, UV.y);
+	float fade_x = smoothstep(0.0, edge_softness_x, UV.x) * smoothstep(1.0, 1.0 - edge_softness_x, UV.x);
+	float edge_mask = fade_x * fade_y;
+	
+	//Paint fog with sun color
+	vec3 tinted_fog = fog_color.rgb * sun_color;
+	vec3 dark_fog = tinted_fog * 0.5;
+	ALBEDO = mix(tinted_fog, dark_fog, night_intensity);
+	
+	ALPHA = fog_color.a * noise_alpha * edge_mask;
+}*/