我们如何为 linerenderer 设置白色

how can we set a white color to the linerenderer

我是unity的新手 我已经设置了滑动屏幕时应该出现的线条的宽度和颜色..但是它不起作用,不知道我的代码是否有误

using UnityEngine;
using System.Collections;

public class LinesHandler : MonoBehaviour
{
    public Color c1 = Color.yellow;
    public Color c2 = Color.red;

    private GameObject lineGO;
    private LineRenderer lineRenderer;
    private int i = 0;

    void Start()
    {
        lineGO = new GameObject("Line");
        lineGO.AddComponent<LineRenderer>();
        lineRenderer = lineGO.GetComponent<LineRenderer>();
        lineRenderer.material = new Material(Shader.Find("Mobile/Particles/Additive"));
        //lineRenderer.SetColors(c1, c2);
        lineRenderer.SetWidth(0.05F, 0);
        lineRenderer.SetVertexCount(0);
    }

    void Update()
    {
        if (Input.touchCount > 0)
        {
            Touch touch = Input.GetTouch(0);

            if(touch.phase == TouchPhase.Moved)
            {
                lineRenderer.SetVertexCount(i+1);
                Vector3 mPosition = new Vector3(Input.mousePosition.x, Input.mousePosition.y, 15);
                lineRenderer.SetPosition(i, Camera.main.ScreenToWorldPoint(mPosition));
                i++;

                /* Add Collider */

                BoxCollider bc = lineGO.AddComponent<BoxCollider>();
                bc.transform.position = lineRenderer.transform.position;
                bc.size = new Vector3(0.1f, 0.1f, 0.1f);
            }

            if(touch.phase == TouchPhase.Ended)
            {
                /* Remove Line */

                lineRenderer.SetVertexCount(0);
                i = 0;

                /* Remove Line Colliders */

                BoxCollider[] lineColliders = lineGO.GetComponents<BoxCollider>();

                foreach(BoxCollider b in lineColliders)
                {
                    Destroy(b);
                }
            }
        }
    }
}

现在我在 screen.how 上滑动时出现粉红色线条,我可以将该颜色更改为白色吗?
也可以减少线的宽度...

显然您设置正确,但当缺少 material 时,粉红色是默认值 material。我猜它只是找不到您要申请的 material。

你应该检查 this

您还会找到宽度和颜色的示例。