using System.Collections;
using System.Collections.Generic;
using UnityEngine;
[ExecuteInEditMode]
public class BezierCurvePointRenderer : MonoBehaviour
{
public Transform point1;
public Transform point2;
public Transform point3;
public LineRenderer lineRenderer;
public int vertexCount;
public Transform[] positions;
private List<Vector3> pointList;
private void Start()
{
pointList = new List<Vector3>();
}
private void Update()
{
BezierCurveWithUnlimitPoints();
lineRenderer.positionCount = pointList.Count;
lineRenderer.SetPositions(pointList.ToArray());
}
public void BezierCurveWithUnlimitPoints()
{
pointList.Clear();
for (float ratio = 0; ratio <= 1; ratio += 1.0f / vertexCount)
{
pointList.Add(UnlimitBezierCurve(positions, ratio));
}
pointList.Add(positions[positions.Length - 1].position);
}
public Vector3 UnlimitBezierCurve(Transform[] trans, float t)
{
Vector3[] temp = new Vector3[trans.Length];
for (int i = 0; i < temp.Length; i++)
{
temp[i] = trans[i].position;
}
int n = temp.Length - 1;
for (int i = 0; i < n; i++)
{
for (int j = 0; j < n - i; j++)
{
temp[j] = Vector3.Lerp(temp[j], temp[j + 1], t);
}
}
return temp[0];
}
private void OnDrawGizmos()
{
#region 无限制顶点数
Gizmos.color = Color.green;
for (int i = 0; i < positions.Length - 1; i++)
{
Gizmos.DrawLine(positions[i].position, positions[i + 1].position);
}
Gizmos.color = Color.red;
Vector3[] temp = new Vector3[positions.Length];
for (int i = 0; i < temp.Length; i++)
{
temp[i] = positions[i].position;
}
int n = temp.Length - 1;
for (float ratio = 0.5f / vertexCount; ratio < 1; ratio += 1.0f / vertexCount)
{
for (int i = 0; i < n - 2; i++)
{
Gizmos.DrawLine(Vector3.Lerp(temp[i], temp[i + 1], ratio), Vector3.Lerp(temp[i + 2], temp[i + 3], ratio));
}
}
#endregion
}
}
Unity réalise la courbe de Bézier
Je suppose que tu aimes
Origine blog.csdn.net/qq_40833062/article/details/129276500
conseillé
Classement