style testing

- added sun overlay effect
- added scrolling fog
- added post processing (ACES tonemapping)
- added particles
- added more plants
- increased wind strength

shader/swaying_plant.gdshader

@@ -40,4 +40,10 @@ void vertex() {
     float time = TIME * speed + sin(float(INSTANCE_ID) * offset);
     //float time = TIME * speed + pos.x * pos.y  ; not working when moving...
     VERTEX.x += getWind(VERTEX.xy, UV, time);
-}
+}
+
+//void fragment(){
+//	COLOR.r = UV.y;
+//	COLOR.g = 0.0f;
+//	COLOR.b = 0.0f;
+//}