*

Assets/Scenes/PointLight.cs

@@ -0,0 +1,67 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class PointLight : MonoBehaviour
+{
+    public int SamplesCount = 5;
+    public float Angle = 45.0f;
+
+
+
+
+    // Start is called before the first frame update
+    void Start()
+    {
+        
+    }
+
+    // Update is called once per frame
+    void Update()
+    {
+        
+    }
+
+   
+    public Ray2D[] GetRays() {
+        float angleRad = Mathf.Deg2Rad * Angle;
+        float halfAngleRad = angleRad / 2.0f;
+
+        if(SamplesCount == 1) {
+            halfAngleRad = 0;
+        }
+
+        float startAngle = 2.5f * Mathf.PI - halfAngleRad;
+        float endAngle = 2.5f * Mathf.PI + halfAngleRad;
+
+        Ray2D[] result = new Ray2D[SamplesCount];
+
+        float step = angleRad / (SamplesCount - 1);
+
+        if (SamplesCount > 1) {
+            for (int i = 0; i < SamplesCount; i++) {
+                float a = startAngle + step * i;
+                result[i] = new Ray2D(transform.position, transform.TransformVector(new Vector3(Mathf.Cos(a), Mathf.Sin(a), 0.0f)).normalized);
+            }
+        } else {
+            result[0] = new Ray2D(transform.position, transform.TransformVector( new Vector3(Mathf.Cos(startAngle), Mathf.Sin(startAngle), 0.0f)).normalized);
+        }
+
+        return result;
+    }
+
+
+
+    public bool DrawGizmo = true;
+    private void OnDrawGizmos() {
+        if (!DrawGizmo) {
+            return;
+        }
+        var rays = GetRays();
+
+        foreach (var ray in rays) {
+            Gizmos.DrawLine(ray.origin, ray.origin + ray.direction * 0.5f);
+        }
+
+    }
+}