Added the project.

Assets/Wind/Scripts.meta

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Assets/Wind/Scripts/Wind.cs

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+using UnityEngine;
+
+public class Wind : MonoBehaviour {
+
+	[MinValue(0)]
+	public float m_Speed = 1.0f;
+
+	void OnDrawGizmosSelected()
+	{
+		Vector3[] arrow =
+		{
+			new Vector3(0,0,1.5f),
+			new Vector3( 1.0f,0.0f, 0.5f), new Vector3( 0.5f,0.0f,0.5f), new Vector3( 0.5f,0.0f,-1.0f),
+			new Vector3(-0.5f,0.0f,-1.0f), new Vector3(-0.5f,0.0f,0.5f), new Vector3(-1.0f,0.0f, 0.5f),
+			new Vector3(0,0,1.5f)
+		};
+
+		Gizmos.matrix = transform.localToWorldMatrix;
+		int count = arrow.Length;
+
+		for(int i = 0; i < count; i++)
+			Gizmos.DrawLine(arrow[i], arrow[(i + 1) % count]);
+
+		Gizmos.matrix = Gizmos.matrix * Matrix4x4.TRS(Vector3.zero, Quaternion.Euler(0, 0, 90), Vector3.one);
+
+		for(int i = 0; i < count; i++)
+			Gizmos.DrawLine(arrow[i], arrow[(i + 1) % count]);
+	}
+
+}

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