Unity3D | Tutorial | Raycast/Boxcast/Spherecast

Unity3D_RayCasts/Assets/Scripts/SphereCaster.cs

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+using UnityEngine;
+
+public class SphereCaster : MonoBehaviour
+{
+    void OnDrawGizmos()
+    {
+        float maxDistance = 10f;
+        RaycastHit hit;
+
+        bool isHit = Physics.SphereCast(transform.position, transform.lossyScale.x / 2, transform.right, out hit,
+            maxDistance);
+        if (isHit)
+        {
+            Gizmos.color = Color.red;
+            Gizmos.DrawRay(transform.position, transform.right * hit.distance);
+            Gizmos.DrawWireSphere(transform.position + transform.right * hit.distance, transform.lossyScale.x / 2);
+        }
+        else
+        {
+            Gizmos.color = Color.green;
+            Gizmos.DrawRay(transform.position, transform.right * maxDistance);
+        }
+    }
+}