create weather controller and daynight controller

core/daynight/wind.gdshader

@@ -0,0 +1,18 @@
+shader_type spatial;
+render_mode unshaded;
+/*
+uniform float time_scale = 3.0;
+uniform float wave_amplitude = 0.5;
+uniform float wave_frequency = 1.0;
+
+void vertex() {
+    float random_seed_offset = INSTANCE_CUSTOM.x * 100.0; 
+    float scaled_time = (TIME + random_seed_offset) * time_scale;
+    
+    VERTEX.x += sin(VERTEX.y * wave_frequency + scaled_time) * wave_amplitude;
+}
+
+void fragment() {
+    ALBEDO = COLOR.rgb;
+    ALPHA = COLOR.a;
+}*/