1 files changed, 17 insertions, 1 deletions
diff --git a/marching/Assets/Scripts/Physics/PhysicsManager.cs b/marching/Assets/Scripts/Physics/PhysicsManager.cs
index 5dff7d4..0577aa9 100644
--- a/marching/Assets/Scripts/Physics/PhysicsManager.cs
+++ b/marching/Assets/Scripts/Physics/PhysicsManager.cs
@@ -9,10 +9,26 @@ public static class PhysicsManager
 
     public static List<IQuadTreeObject> quadTreeObjects = new List<IQuadTreeObject>();
 
+    private static List<IQuadTreeObject> m_SharedCastResult = new List<IQuadTreeObject>();
+
     public static bool CircleVsCircle(Vector2 pos1, float r1, Vector2 pos2, float r2)
     {
-        return false;
+        return (pos1 - pos2).magnitude < r1+r2;
     }
 
+    /// <summary>
+    /// box, pos+size
+    /// </summary>
+    /// <param name="box"></param>
+    /// <returns></returns>
+    public static List<IQuadTreeObject> BoxCast(Vector4 box)
+    {
+        m_SharedCastResult.Clear();
+
+        if (TestQuadtree.quadtree.Retrieve(ref m_SharedCastResult, box))
+        {
+        }
+        return m_SharedCastResult;
+    }
 
 }
 \ No newline at end of file