目錄
大家好，我是Wilson，這次的主題是讓玩家跳躍以及發射子彈！
領取Photon Fusion 快速上手懶人攻略
這邊幫大家準備了【Photon Fusion 快速上手懶人攻略】!
裡面介紹了Fusion的基本功能，以及Fusion同步網路狀態的3大方法，有興趣的朋友可以免費領取喔！
重點回顧
- 可以使用NetworkButtons紀錄要傳送的自定義按鈕輸入，並用enum來定義需要使用哪些按鈕
- NetworkButtons.Set()方法來設定按鈕的狀態
- 如果要判斷按鈕是否是被「剛按下去的狀態」的話，我們會需要將現在的NetworkButton與上一個Tick的NetworkButton做比較，可以透過NetworkButton.GetPressed()方法傳入上一個Tick的NetworkButton資料來判斷
- 透過NetworkButton.IsSet()方法來判斷按鈕的狀態
- 使用Network Transform元件可以同步網路物件的Transform
- Fusion提供了TickTimer幫助我們可以做到以Tick為基準的計時器，讓計時更準確
- Spawned()方法就是當網路物件剛生成時會呼叫一次，就類似MonoBehaviour的Start()方法
- 我們可以透過NetworkBehaviour的Runner變數找到場景中的NetworkRunner
- NetworkBehaviour的Object變數則代表該NetworkBehaviour身上的Network Object元件
- Network Rigidbody就是Rigidbody的網路版本，使用這個就可以實現網路上的物理模擬囉
- 我們可以在Network Project Config中的Server Physics Mode改成Client Prediction，就可以實現客戶端的物理預測，讓物件移動更加平滑
Code
NetworkInputData.cs
public enum InputButtons
{
JUMP,
FIRE
}
public struct NetworkInputData : INetworkInput
{
public NetworkButtons buttons;
public Vector3 movementInput;
}在OnInput()提供NetworkButton的輸入
data.buttons.Set(InputButtons.JUMP, Input.GetKey(KeyCode.Space));
data.buttons.Set(InputButtons.FIRE, Input.GetKey(KeyCode.Mouse0));在PlayerController.cs接收NetworkButton的輸入
if (GetInput(out NetworkInputData data))
{
NetworkButtons buttons = data.buttons;
var pressed = buttons.GetPressed(ButtonsPrevious);
ButtonsPrevious = buttons;
/*與上次相同的部分略*/
if (pressed.IsSet(InputButtons.JUMP))
{
networkCharacterController.Jump();
}
if (pressed.IsSet(InputButtons.FIRE))
{
Runner.Spawn(
bulletPrefab,
transform.position + transform.TransformDirection(Vector3.forward),
Quaternion.LookRotation(transform.TransformDirection(Vector3.forward)),
Object.InputAuthority);
}
}Bullet.cs
public class Bullet : NetworkBehaviour
{
[Networked]
private TickTimer life { get; set; }
[SerializeField]
private float bulletSpeed = 5f;
public override void Spawned()
{
life = TickTimer.CreateFromSeconds(Runner, 5.0f);
}
public override void FixedUpdateNetwork()
{
if (life.Expired(Runner))
{
Runner.Despawn(Object);
}
else
{
transform.position += bulletSpeed * transform.forward * Runner.DeltaTime;
}
}
}專案GitHub
這次進度的專案可以在這裡看到！
Awesome content, can’t wait to learn more about Photon Fusion, hopefully, more to come from here!
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