Vector4.w

描述

向量的 w 分量。

using UnityEngine;

// Move and re-size a sphere.
// Attach this script to a sphere added to the scene.
// Use the x, y and z sliders to change the sphere position and
// the w slider to change the scale of the sphere.
//
// View the changing x, y, z, and z values in the Inspector.

public class ExampleClass : MonoBehaviour
{
    private Vector4 positionAndSize;

    void Awake()
    {
        positionAndSize = new Vector4(0.0f, 0.0f, 0.0f, 1.0f);
    }

    void Update()
    {
        transform.position = (Vector3)positionAndSize;

        float a = positionAndSize.w;
        transform.localScale = new Vector3(a, a, a);
    }

    void OnGUI()
    {
        GUI.skin.label.fixedHeight = 40;
        GUI.skin.label.fontSize = 24;

        GUI.Label(new Rect(10, 10, 25, 0), "x:");
        positionAndSize.x = GUI.HorizontalSlider(new Rect(60, 20, 200, 10), positionAndSize.x, -1.0f, 1.0f);

        GUI.Label(new Rect(10, 50, 25, 0), "y:");
        positionAndSize.y = GUI.HorizontalSlider(new Rect(60, 60, 200, 10), positionAndSize.y, -1.0f, 1.0f);

        GUI.Label(new Rect(10, 90, 25, 0), "z:");
        positionAndSize.z = GUI.HorizontalSlider(new Rect(60, 100, 200, 10), positionAndSize.z, -1.0f, 1.0f);

        GUI.Label(new Rect(10, 130, 25, 0), "w:");
        positionAndSize.w = GUI.HorizontalSlider(new Rect(60, 140, 200, 10), positionAndSize.w, 0.5f, 2.0f);
    }
}