sourcePosition | 此距离查询的原点。 |
hit | 保留所生成位置的属性。 |
areaMask | 位域遮罩,指定在查找最近边缘时可通过的导航网格区域。 |
bool True if the nearest edge is found.
从导航网格上的一点找到最近的导航网格边缘。
返回的 NavMeshHit 对象包含 导航网格最近边缘上的 最近点的位置和详细信息。这可用于查询代理周围有多少额外空间。
// MeasureSpace using UnityEngine; using UnityEngine.AI;
public class MeasureSpace : MonoBehaviour { void DrawCircle(Vector3 center, float radius, Color color) { Vector3 prevPos = center + new Vector3(radius, 0, 0); for (int i = 0; i < 30; i++) { float angle = (float)(i + 1) / 30.0f * Mathf.PI * 2.0f; Vector3 newPos = center + new Vector3(Mathf.Cos(angle) * radius, 0, Mathf.Sin(angle) * radius); Debug.DrawLine(prevPos, newPos, color); prevPos = newPos; } }
void Update() { NavMeshHit hit; if (NavMesh.FindClosestEdge(transform.position, out hit, NavMesh.AllAreas)) { DrawCircle(transform.position, hit.distance, Color.red); Debug.DrawRay(hit.position, Vector3.up, Color.red); } } }
sourcePosition | 此距离查询的原点。 |
hit | 保留所生成位置的属性。 |
filter | 一种过滤器,指定在查找最近边缘时可通过的导航网格区域。 |
bool True if the nearest edge is found.
从导航网格上的一点找到最近的导航网格边缘,受过滤器参数的限制。
返回的 NavMeshHit 对象包含导航网格最近边缘上的最近点的位置和细节。这可用于查询代理周围有多少额外空间。
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