additional package setup

Packages/com.boxfriend.utils@58cc9986a36b/Runtime/Utils/PhysicsCastDebug.cs

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+using UnityEngine;
+
+namespace Boxfriend.Utils
+{
+
+    /// <summary>
+    /// Class to draw debug information such as physics2d casts
+    /// </summary>
+    public static class PhysicsCastDebug
+    {
+        /// <summary>
+        /// Casts a Physics2D BoxCast with debug lines drawn
+        /// </summary>
+        public static RaycastHit2D BoxCast(Vector2 origin,
+            Vector2 size,
+            float angle,
+            Vector2 direction,
+            float distance = 0,
+            int layerMask = Physics2D.AllLayers,
+            float minDepth = -Mathf.Infinity,
+            float maxDepth = Mathf.Infinity)
+        {
+            var hit = Physics2D.BoxCast(origin, size, angle, direction, distance, layerMask, minDepth, maxDepth);
+
+            //Setting up the points to draw the origin box and end box
+            var points = new Vector2[8];
+            var width = size.x * 0.5f;
+            var height = size.y * 0.5f;
+            
+            points[0] = new Vector2(-width, height); //Upper left corner
+            points[1] = new Vector2(width, height); //Upper right corner
+            points[2] = new Vector2(width, -height); //Lower right corner
+            points[3] = new Vector2(-width, -height); //Lower left corner
+
+            //Calculates origin box corners using provided angle and origin point
+            var q = Quaternion.AngleAxis(angle, new Vector3(0, 0, 1));
+            for (var i = 0; i < 4; i++)
+            {
+                points[i] = q * points[i];
+                points[i] += origin;
+            }
+            
+            //Calculates end points using origin box points and provided distance
+            var realDistance = direction.normalized * distance;
+            for (var i = 0; i < 4; i++)
+            {
+                points[i + 4] = points[i] + realDistance;
+            }
+
+            //Draw hit normal if a hit was detected
+            if (hit) Debug.DrawLine(hit.point, hit.point + hit.normal.normalized*0.2f, Color.yellow);
+            
+            //Draw boxes
+            var color = hit ? Color.green : Color.red;
+            for (var i = 0; i < 4; i++)
+            {
+                var j = i == 3 ? 0 : i + 1;
+                //Draws origin box using first 4 points
+                Debug.DrawLine(points[i],points[j], color);
+            }
+
+            //Exit early if distance is 0, don't need to draw end position or translation if there is no distance
+            if (distance == 0) return hit;  
+            
+            //Draws end box using last 4 points
+            for (var i = 0; i < 4; i++)
+            {
+                var j = i == 3 ? 0 : i + 1;
+                Debug.DrawLine(points[i+4],points[j+4], color);
+            }
+            //Shows translation from origin box to end box in grey
+            for (var i = 0; i < 4; i++)
+            {
+                var j = i + 4;
+                Debug.DrawLine(points[i],points[j], Color.grey);
+            }
+
+            return hit;
+        }
+    }
+}