Added Constrained Rotation

Unity-Files/Assets/Examples/Defender/Defender.unity

@@ -380,8 +380,8 @@ GameObject:
   m_Component:
   - component: {fileID: 267901558}
   - component: {fileID: 267901560}
-  - component: {fileID: 267901559}
   - component: {fileID: 267901561}
+  - component: {fileID: 267901559}
   - component: {fileID: 267901557}
   m_Layer: 0
   m_Name: Cannon
@@ -426,14 +426,15 @@ MonoBehaviour:
   m_PrefabInstance: {fileID: 0}
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 267901556}
-  m_Enabled: 0
+  m_Enabled: 1
   m_EditorHideFlags: 0
-  m_Script: {fileID: 11500000, guid: b3c7bb76e85354455909e3f696d0e13a, type: 3}
+  m_Script: {fileID: 11500000, guid: e63701da40cba6c459b22784a509abe1, type: 3}
   m_Name: 
   m_EditorClassIdentifier: 
   rigidbody2D: {fileID: 0}
-  typeOfControl: 1
-  speed: 25
+  typeOfControl: 0
+  speed: 5
+  constraintRotationAmount: 0.3
 --- !u!50 &267901560
 Rigidbody2D:
   serializedVersion: 4

Unity-Files/Assets/Scripts/Movement/RotateConstrained.cs

@@ -0,0 +1,51 @@
+using UnityEngine;
+using System.Collections;
+
+[RequireComponent(typeof(Rigidbody2D))]
+public class RotateConstrained : Physics2DObject
+{
+    [Header("Input keys")]
+    public Enums.KeyGroups typeOfControl = Enums.KeyGroups.ArrowKeys;
+
+    [Header("Rotation")]
+    public float speed = 5f;
+
+    [Header("Movement Constraint")]
+    [Range(0, 1)]
+    public float constraintRotationAmount = 0.3f;
+
+    private float spin;
+
+
+    // Update gets called every frame
+    void Update()
+    {
+        // Register the spin from the player input
+        // Moving with the arrow keys
+        if (typeOfControl == Enums.KeyGroups.ArrowKeys)
+        {
+            spin = Input.GetAxis("Horizontal");
+        }
+        else
+        {
+            spin = Input.GetAxis("Horizontal2");
+        }
+    }
+
+
+    // FixedUpdate is called every frame when the physics are calculated
+    void FixedUpdate()
+    {
+        //Freezes the objects rotation if it hits the constrained bounds
+        if ((this.transform.rotation.z >= constraintRotationAmount && spin <= 0f) || (this.transform.rotation.z <= (constraintRotationAmount * -1) && spin >= 0f))
+        {
+            rigidbody2D.freezeRotation = true;
+        }
+        else
+        {
+            rigidbody2D.freezeRotation = false;
+            // Apply the torque to the Rigidbody2D
+            rigidbody2D.AddTorque(-spin * speed);
+        }
+    }
+}

Unity-Files/Assets/Scripts/Movement/RotateConstrained.cs.meta

@@ -0,0 +1,11 @@
+fileFormatVersion: 2
+guid: e63701da40cba6c459b22784a509abe1
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: