Start to sketch out the idea I had

src/bin/pumpkin.rs

@@ -1097,9 +1097,14 @@ fn main () {
 			state.step (&controller, &user_control);
 		}
 		
-		let gravity = (0.0, 0.0, -1.0).into ();
-		let wind = state.wind.to_vec3 () * -1.0;
+		let purple = (1.0, 0.5, 1.0).into ();
+		
 		let origin: Vec3 = (0.0, 0.0, 1.35).into ();
+		let gravity = (0.0, 0.0, -1.0).into ();
+		
+		let wind = state.wind.to_vec3 () * -1.0;
+		let wind_force = (wind.x (), 0.125 * wind.y (), wind.z ()).into ();
+		
 		
 		let control_flash = if graphics_frames % 16 >= 8 {
 			(1.0, 1.0, 1.0).into ()
@@ -1121,9 +1126,14 @@ fn main () {
 					control_flash
 				}
 				else {
-					(1.0, 0.5, 1.0).into ()
+					purple
 				},
 			},
+			Arrow {
+				origin: origin,
+				direction: wind_force,
+				color: purple,
+			},
 		];
 		
 		let renderable_arrows: Vec <_> = arrows.iter ().map (|arrow| {