陀螺仪

描述

陀螺仪接口。

使用这个类来访问陀螺仪。下面的示例脚本展示了如何使用陀螺仪类来查看设备在空间中的方向。

用于填充数据的底层传感器

安卓：重力、线性加速度、旋转矢量。 更多信息。

iOS：陀螺仪、设备运动。 更多信息。

// Create a cube with camera vector names on the faces.
// Allow the device to show named faces as it is oriented.

using UnityEngine;

public class ExampleScript : MonoBehaviour
{
    // Faces for 6 sides of the cube
    private GameObject[] quads = new GameObject[6];

    // Textures for each quad, should be +X, +Y etc
    // with appropriate colors, red, green, blue, etc
    public Texture[] labels;

    void Start()
    {
        Input.gyro.enabled = true;
        
        // make camera solid colour and based at the origin
        GetComponent<Camera>().backgroundColor = new Color(49.0f / 255.0f, 77.0f / 255.0f, 121.0f / 255.0f);
        GetComponent<Camera>().transform.position = new Vector3(0, 0, 0);
        GetComponent<Camera>().clearFlags = CameraClearFlags.SolidColor;

        // create the six quads forming the sides of a cube
        GameObject quad = GameObject.CreatePrimitive(PrimitiveType.Quad);

        quads[0] = createQuad(quad, new Vector3(1,   0,   0), new Vector3(0,  90, 0), "plus x",
            new Color(0.90f, 0.10f, 0.10f, 1), labels[0]);
        quads[1] = createQuad(quad, new Vector3(0,   1,   0), new Vector3(-90,   0, 0), "plus y",
            new Color(0.10f, 0.90f, 0.10f, 1), labels[1]);
        quads[2] = createQuad(quad, new Vector3(0,   0,   1), new Vector3(0,   0, 0), "plus z",
            new Color(0.10f, 0.10f, 0.90f, 1), labels[2]);
        quads[3] = createQuad(quad, new Vector3(-1,   0,   0), new Vector3(0, -90, 0), "neg x",
            new Color(0.90f, 0.50f, 0.50f, 1), labels[3]);
        quads[4] = createQuad(quad, new Vector3(0,  -1,  0), new Vector3(90,   0,  0), "neg y",
            new Color(0.50f, 0.90f, 0.50f, 1), labels[4]);
        quads[5] = createQuad(quad, new Vector3(0,   0, -1), new Vector3(0, 180,  0), "neg z",
            new Color(0.50f, 0.50f, 0.90f, 1), labels[5]);

        GameObject.Destroy(quad);
    }

    // make a quad for one side of the cube
    GameObject createQuad(GameObject quad, Vector3 pos, Vector3 rot, string name, Color col, Texture t)
    {
        Quaternion quat = Quaternion.Euler(rot);
        GameObject GO = Instantiate(quad, pos, quat);
        GO.name = name;
        GO.GetComponent<Renderer>().material.color = col;
        GO.GetComponent<Renderer>().material.mainTexture = t;
        GO.transform.localScale += new Vector3(0.25f, 0.25f, 0.25f);
        return GO;
    }

    protected void Update()
    {
        GyroModifyCamera();
    }

    protected void OnGUI()
    {
        GUI.skin.label.fontSize = Screen.width / 40;

        GUILayout.Label("Orientation: " + Screen.orientation);
        GUILayout.Label("input.gyro.attitude: " + Input.gyro.attitude);
        GUILayout.Label("iphone width/font: " + Screen.width + " : " + GUI.skin.label.fontSize);
    }

    /********************************************/

    // The Gyroscope is right-handed.  Unity is left handed.
    // Make the necessary change to the camera.
    void GyroModifyCamera()
    {
        transform.rotation = GyroToUnity(Input.gyro.attitude);
    }

    private static Quaternion GyroToUnity(Quaternion q)
    {
        return new Quaternion(q.x, q.y, -q.z, -q.w);
    }
}

显示 +Z、+Y 和 -X 的 iOS 截图。

属性