Initial commit

Library/PackageCache/com.unity.2d.spriteshape@3.0.14/Samples~/Extras/Scripts/Sprinkler.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.U2D;
+
+public class Sprinkler : MonoBehaviour
+{
+
+    public GameObject m_Prefab;
+    public float m_RandomFactor = 10.0f;
+    public bool m_UseNormals = false;
+
+    float Angle(Vector3 a, Vector3 b)
+    {
+        float dot = Vector3.Dot(a, b);
+        float det = (a.x * b.y) - (b.x * a.y);
+        return Mathf.Atan2(det, dot) * Mathf.Rad2Deg;
+    }
+
+    // Use this for initialization. Plant the Prefabs on Startup
+    void Start ()
+    {
+        SpriteShapeController ssc = GetComponent<SpriteShapeController>();
+        Spline spl = ssc.spline;
+
+        for (int i = 1; i < spl.GetPointCount() - 1; ++i)
+        {
+            if (Random.Range(0, 100) > (100 - m_RandomFactor) )
+            {
+                var go = GameObject.Instantiate(m_Prefab);
+                go.transform.position = spl.GetPosition(i);
+
+                if (m_UseNormals)
+                {
+                    Vector3 lt = Vector3.Normalize(spl.GetPosition(i - 1) - spl.GetPosition(i));
+                    Vector3 rt = Vector3.Normalize(spl.GetPosition(i + 1) - spl.GetPosition(i));
+                    float a = Angle(Vector3.up, lt);
+                    float b = Angle(lt, rt);
+                    float c = a + (b * 0.5f);
+                    if (b > 0)
+                        c = (180 + c);
+                    go.transform.rotation = Quaternion.Euler(0, 0, c);
+                }
+            }
+        }
+	}
+	
+	// Update is called once per frame
+	void Update ()
+    {
+
+    }
+}