unity3d获取汽车移动的速度并显示
时间: 2024-05-01 11:20:40 浏览: 256
要获取汽车移动的速度,您可以使用Unity的内置组件Rigidbody。以下是一些代码示例:
首先,您需要在汽车对象上添加Rigidbody组件。然后,在脚本中,您可以使用以下代码获取汽车的速度:
```csharp
Rigidbody rb = GetComponent<Rigidbody>();
float speed = rb.velocity.magnitude;
```
这将获取汽车的速度并将其存储在变量speed中。您可以在UI中显示它,例如将其分配给Text组件的text属性:
```csharp
public Text speedText;
void Update() {
Rigidbody rb = GetComponent<Rigidbody>();
float speed = rb.velocity.magnitude;
speedText.text = "Speed: " + speed.ToString("0.00");
}
```
这将在每帧更新中获取汽车的速度,并将其显示在UI中。
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