[[brasil:courses:blender_unity:unity:4_moving_objects]]
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brasil:courses:blender_unity:unity:4_moving_objects [2026/08/25 15:54] – [Exercise] yannbrasil:courses:blender_unity:unity:4_moving_objects [2026/08/25 19:29] (Version actuelle) – [Exercise] yann
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 The GameObject will then not be displayed on the screen. The GameObject will then not be displayed on the screen.
  
-{{:brasil:courses:blender_unity:unity:unityshowhidegameobject.png|}}+{{ :brasil:courses:blender_unity:unity:unityearthhide.png |}}
  
 You can also do this using code. You can also do this using code.
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 In the root of the Assets folder, create a new subfolder and name it “Scripts.” In the root of the Assets folder, create a new subfolder and name it “Scripts.”
  
-{{:brasil:courses:blender_unity:unity:unitycreatefolderscripts-1024x576.jpg?1024|}}+{{ :brasil:courses:blender_unity:unity:unitycreatescriptfolder.png |}}
  
 Double-click the Scripts folder to open it, and create a new C# script that you'll name “EarthManager.cs”. Double-click the Scripts folder to open it, and create a new C# script that you'll name “EarthManager.cs”.
  
-{{:brasil:courses:blender_unity:unity:unitycreatescript-1024x576.jpg?1024|}}+{{ :brasil:courses:blender_unity:unity:unitycreateearthmanager.png |}}
  
 Unity does not have a built-in code editor, so you are free to choose your preferred editor (Visual Studio, Visual Studio Code, Notepad++, etc.). Unity does not have a built-in code editor, so you are free to choose your preferred editor (Visual Studio, Visual Studio Code, Notepad++, etc.).
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 You can change the default code editor by going to the Edit / Preferences / External Tools menu. You can change the default code editor by going to the Edit / Preferences / External Tools menu.
  
-{{:brasil:courses:blender_unity:unity:unityeditpreferencesexternaltools.jpg|}}+{{ :brasil:courses:blender_unity:unity:unityselecteditor.png |}}
  
 ===== Structure of a C# script ===== ===== Structure of a C# script =====
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 Double-click the script, and it will open in the default editor set in Unity (Visual Studio Code in my case). Double-click the script, and it will open in the default editor set in Unity (Visual Studio Code in my case).
  
-{{:brasil:courses:blender_unity:unity:unityeditpreferencesexternaltools.jpg|}}+{{ :brasil:courses:blender_unity:unity:unityvisualstudio.png?1024 |}}
  
 By default, all Unity C# scripts inherit from the MonoBehavior class. By default, all Unity C# scripts inherit from the MonoBehavior class.
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 <code csharp> <code csharp>
-using UnityEngine; +public class earthManager : MonoBehaviour
-public class EarthManager : MonoBehaviour+
 { {
-    // Start is called before the first frame update +    // Start is called once before the first execution of Update after the MonoBehaviour is created 
-    private void Start()+    void Start()
     {     {
-         +        
     }     }
-     // Update is called once per frame + 
-    private void Update()+    // Update is called once per frame 
 +    void Update()
     {     {
-         +        
     }     }
 } }
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 Scripts can be attached to a GameObject. This allows you to add behaviors to a GameObject. To add the first behavior to our Earth, we’ll drag and drop our “EarthManager” script onto the “Earth” GameObject. Scripts can be attached to a GameObject. This allows you to add behaviors to a GameObject. To add the first behavior to our Earth, we’ll drag and drop our “EarthManager” script onto the “Earth” GameObject.
  
-{{:brasil:courses:blender_unity:unity:unitydraganddropscript-1024x576.jpg?1024|}}+{{ :brasil:courses:blender_unity:unity:unityaddscriptannoted.png?1024 |}}
  
 Now that the script is attached to the GameObject, we're going to code the desired behavior. Now that the script is attached to the GameObject, we're going to code the desired behavior.
  
 <code csharp> <code csharp>
 +using Unity.AppUI.UI;
 using UnityEngine; using UnityEngine;
 + 
 public class EarthManager : MonoBehaviour public class EarthManager : MonoBehaviour
 { {
-    // Start is called only once+    // Start is called once before the first execution of Update after the MonoBehaviour is created
     private void Start()     private void Start()
     {     {
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     {     {
         // if the spacebar is pressed         // if the spacebar is pressed
-        if (Input.GetKeyDown(“space”))+        //if (Input.GetKeyDown("space")) old input system 
 +        if(UnityEngine.InputSystem.Keyboard.current.spaceKey.wasPressedThisFrame)
         {         {
             // log a message to the console             // log a message to the console
-            Debug.Log(“The spacebar was pressed”);+            Debug.Log("The spacebar was pressed");
  
             // `this` represents the script instance             // `this` represents the script instance
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             {             {
                 // if the GameObject is active (visible)                 // if the GameObject is active (visible)
-                Debug.Log(“Hiding the ‘earth’ GameObject”);+                Debug.Log("Hiding the 'earth' GameObject");
  
                 // set the GameObject to inactive (hide it)                 // set the GameObject to inactive (hide it)
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     }     }
 } }
- 
 </code> </code>
  
 To test our code, we're going to run our game in the editor: To test our code, we're going to run our game in the editor:
  
-{{:brasil:courses:blender_unity:unity:unityplayeditor-1024x163.png?1024|}}+{{ :brasil:courses:blender_unity:unity:unitygamemode.png |}}
  
 If you press the spacebar, you'll notice that the Earth disappears (it is no longer displayed by the render engine because its GameObject's visibility is turned off). If you press the spacebar, you'll notice that the Earth disappears (it is no longer displayed by the render engine because its GameObject's visibility is turned off).
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 Stay in Play mode (with the Game tab active), select the Earth GameObject in the hierarchy on the left if you haven’t already, and check the status of the GameObject’s visibility checkbox in the Inspector on the right. Stay in Play mode (with the Game tab active), select the Earth GameObject in the hierarchy on the left if you haven’t already, and check the status of the GameObject’s visibility checkbox in the Inspector on the right.
  
-{{:brasil:courses:blender_unity:unity:unityscriptshowhidecheckbox.png|}}+{{ :brasil:courses:blender_unity:unity:unityhideaction.png |}} 
 +{{ :brasil:courses:blender_unity:unity:unityhideaction2.png |}}
  
 The interface reflects the changes made by the running code when you are in Play mode. This provides a basic level of visual debugging within the editor. The interface reflects the changes made by the running code when you are in Play mode. This provides a basic level of visual debugging within the editor.
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 Debug.Log statements write a log to the editor console. These logs are a starting point for debugging; they let you know which lines of code have been executed and even display the values of variables. Debug.Log statements write a log to the editor console. These logs are a starting point for debugging; they let you know which lines of code have been executed and even display the values of variables.
  
-{{:brasil:courses:blender_unity:unity:unityconsole.png|}}+{{ :brasil:courses:blender_unity:unity:unityconsoledebug.png |}}
  
 ===== The Earth rotates... ===== ===== The Earth rotates... =====
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 using UnityEngine; using UnityEngine;
  
-public class EarthRotation : MonoBehaviour+public class earthRotate : MonoBehaviour
 { {
     public Vector3 localRotationSpeed;     public Vector3 localRotationSpeed;
  
-    // Start is called before the first frame update +    // Start is called once before the first execution of Update after the MonoBehaviour is created 
-    private void Start()+    void Start()
     {     {
 +        
     }     }
  
     // Update is called once per frame     // Update is called once per frame
-    private void Update()+    void Update()
     {     {
         this.transform.Rotate(localRotationSpeed * Time.deltaTime, Space.Self);         this.transform.Rotate(localRotationSpeed * Time.deltaTime, Space.Self);
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 Set the Y-axis to 50. Set the Y-axis to 50.
  
-{{:brasil:courses:blender_unity:unity:unityearthrotationscript.png|}}+{{ :brasil:courses:blender_unity:unity:unityearthrotatescriptannoted.png?1024 |}}
  
 This variable is of type Vector3, meaning it’s a 3-dimensional vector that can store a value for the X axis, a value for the Y axis, and a value for the Z axis. This variable is of type Vector3, meaning it’s a 3-dimensional vector that can store a value for the X axis, a value for the Y axis, and a value for the Z axis.
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 In the editor, you can see in real time that your script is changing the GameObject’s rotation along the Y-axis. In the editor, you can see in real time that your script is changing the GameObject’s rotation along the Y-axis.
  
-{{:brasil:courses:blender_unity:unity:unitytransformrotationupdated.png|}}+{{ :brasil:courses:blender_unity:unity:unityearthrotationvalue.png |}}
  
 ===== Conclusion ===== ===== Conclusion =====
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 ===== Exercise ===== ===== Exercise =====
  
-  - Add a Milky Way skybox; to do this, use the Asset Store (Milky Way Skybox)+  - Add a Milky Way skybox; to do this, use the Asset Store (Milky Way Skybox) or the file {{ :brasil:courses:blender_unity:unity:milkywayskybox.unitypackage |}}
   - Make the moon rotate on its axis   - Make the moon rotate on its axis
   - Make the moon orbit the Earth   - Make the moon orbit the Earth
brasil/courses/blender_unity/unity/4_moving_objects.1787666062.txt.gz · Dernière modification : de yann
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