Mirror bouncing lasers

Assets/Prefabs/Laser Turret.prefab

@@ -92,9 +92,9 @@ LineRenderer:
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 2115795504606128404}
   m_Enabled: 1
-  m_CastShadows: 1
+  m_CastShadows: 0
-  m_ReceiveShadows: 1
+  m_ReceiveShadows: 0
-  m_DynamicOccludee: 1
+  m_DynamicOccludee: 0
   m_MotionVectors: 0
   m_LightProbeUsage: 0
   m_ReflectionProbeUsage: 0
@@ -102,7 +102,7 @@ LineRenderer:
   m_RenderingLayerMask: 1
   m_RendererPriority: 0
   m_Materials:
-  - {fileID: 0}
+  - {fileID: 2100000, guid: 0244f7fe345a4904db014baf3a3d5034, type: 2}
   m_StaticBatchInfo:
     firstSubMesh: 0
     subMeshCount: 0
@@ -146,9 +146,9 @@ LineRenderer:
       m_RotationOrder: 4
     colorGradient:
       serializedVersion: 2
-      key0: {r: 1, g: 1, b: 1, a: 1}
+      key0: {r: 0.16816717, g: 1, b: 0.031372547, a: 1}
-      key1: {r: 1, g: 1, b: 1, a: 1}
+      key1: {r: 1, g: 0.8835529, b: 0.033018887, a: 1}
-      key2: {r: 0, g: 0, b: 0, a: 0}
+      key2: {r: 1, g: 0.8835529, b: 0.033018887, a: 0}
       key3: {r: 0, g: 0, b: 0, a: 0}
       key4: {r: 0, g: 0, b: 0, a: 0}
       key5: {r: 0, g: 0, b: 0, a: 0}
@@ -156,7 +156,7 @@ LineRenderer:
       key7: {r: 0, g: 0, b: 0, a: 0}
       ctime0: 0
       ctime1: 65535
-      ctime2: 0
+      ctime2: 65535
       ctime3: 0
       ctime4: 0
       ctime5: 0
@@ -176,7 +176,7 @@ LineRenderer:
     numCornerVertices: 0
     numCapVertices: 0
     alignment: 0
-    textureMode: 0
+    textureMode: 1
     shadowBias: 0.5
     generateLightingData: 0
   m_UseWorldSpace: 1
@@ -209,3 +209,4 @@ MonoBehaviour:
   m_Name: 
   m_EditorClassIdentifier: 
   flipDirection: 0
+  power: 1

Assets/Scripts/Laser.cs

@@ -20,55 +20,48 @@ public class Laser : MonoBehaviour
 
     void Update()
     {
-        RaycastHit2D hit = DrawLaser(transform.position);
+        DrawLaser(transform.position, isHorizontal, flipDirection);
-        HandleHit(hit);
     }
 
-    RaycastHit2D DrawLaser(Vector3 startPosition)
+    void DrawLaser(Vector3 startPosition, bool drawOnYAxis, bool flipAxis, int laserIndex = 0)
     {
-        laserLine.SetPosition(0, startPosition);
+        RaycastHit2D hit = DrawRaycast(startPosition, drawOnYAxis, flipAxis);
-        RaycastHit2D hit;
+        Vector3 endPosition;
 
-        if (isHorizontal)
+        if (hit.collider) endPosition = hit.point;
-        {
+        else if (drawOnYAxis) endPosition = new Vector3(startPosition.x, flipAxis ? startPosition.y - maxDistance : startPosition.y + maxDistance, 0);
-            float endpointY = flipDirection ? startPosition.y - maxDistance : startPosition.y + maxDistance;
+        else endPosition = new Vector3(flipAxis ? startPosition.x - maxDistance : startPosition.x + maxDistance, startPosition.y, 0);
-            hit = Physics2D.Raycast(startPosition, flipDirection ? Vector2.down : Vector2.up);
 
-            if (hit.collider) laserLine.SetPosition(1, hit.point);
+        laserLine.positionCount = laserIndex + 2;
-            else laserLine.SetPosition(1, new Vector3(startPosition.x, endpointY, 0));
+        laserLine.SetPosition(laserIndex, startPosition);
-        } else
+        laserLine.SetPosition(laserIndex + 1, endPosition);
-        {
-            float endpointX = flipDirection ? startPosition.x - maxDistance : startPosition.x + maxDistance;
-            hit = Physics2D.Raycast(startPosition, flipDirection ? Vector2.left : Vector2.right);
 
-            if (hit.collider) laserLine.SetPosition(1, hit.point);
-            else laserLine.SetPosition(1, new Vector3(endpointX, startPosition.y, 0));
-        }
-
-        return hit;
-    }
-
-    void HandleHit(RaycastHit2D hit)
-    {
         if (hit.collider)
         {
-            if (hit.collider.tag == "Mirror") HitMirror(hit);
+            if (hit.collider.tag == "Mirror")
+            {
+                Vector2 offset = GetDrawDirection(!drawOnYAxis, flipAxis);
+                DrawLaser(hit.point + offset, !drawOnYAxis, flipAxis, laserLine.positionCount);
+            } else
+            {
                 if (hit.collider.tag == "Charge Point") HitChargePoint(hit);
+                else UnchargeLastPoint();
             }
-        else HitNothing();
+        }
+        else UnchargeLastPoint();
     }
 
-    void HitMirror(RaycastHit2D hit)
+    RaycastHit2D DrawRaycast(Vector3 startPosition, bool drawOnYAxis, bool flipAxis)
     {
+        return Physics2D.Raycast(startPosition, GetDrawDirection(drawOnYAxis, flipAxis));
+    }
 
-        if (isHorizontal)
+    Vector2 GetDrawDirection(bool drawOnYAxis, bool flipAxis)
     {
-            // TODO
+        if (drawOnYAxis && flipAxis) return Vector2.down;
-        }
+        else if (drawOnYAxis && !flipAxis) return Vector2.up;
-        else
+        else if (!drawOnYAxis && flipAxis) return Vector2.left;
-        {
+        return Vector2.right;
-            // TODO
-        }
     }
 
     void HitChargePoint(RaycastHit2D hit)
@@ -77,7 +70,7 @@ public class Laser : MonoBehaviour
         lastChargePoint = hit.collider.gameObject;
     }
 
-    void HitNothing()
+    void UnchargeLastPoint()
     {
         if (lastChargePoint) lastChargePoint.GetComponent<ChargePoint>().adjustCharges(power * -1);
         lastChargePoint = null;