Boat Attack使用了Universal RP的许多新图形功能,可以用于探索 Universal RP 的使用方式和技巧。
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using UnityEngine;
using UnityEngine.Serialization;
using Unity.Collections;
using Unity.Mathematics;
using WaterSystem;
public class BuoyManager : MonoBehaviour
{
[FormerlySerializedAs("particleSystem")] public ParticleSystem ps;
private ParticleSystem.ShapeModule _particleShape;
private Mesh _mesh;
private Vector3[] _vertices;
private Transform[] _buoys;
private NativeArray<float3> _samplePoints; // sample points for height calc
private float3[] _heights; // water height array(only size of 1 when simple or non-physical)
private float3[] _normals; // water normal array(only used when non-physical and size of 1 also when simple)
private int _guid;
// Start is called before the first frame update
private void Start()
{
_guid = gameObject.GetInstanceID();
_buoys = new Transform[transform.childCount - 1];
_mesh = new Mesh();
var triangles = new int[_buoys.Length * 3];
_vertices = new Vector3[_buoys.Length];
_samplePoints = new NativeArray<float3>(_buoys.Length, Allocator.Persistent);
_heights = new float3[_buoys.Length];
_normals = new float3[_buoys.Length];
for (var i = 0; i < _buoys.Length; i++)
{
_buoys[i] = transform.GetChild(i);
_samplePoints[i] = _buoys[i].position;
_vertices[i] = _samplePoints[i];
triangles[3 * i] = i;
triangles[3 * i + 1] = (int)Mathf.Repeat(i + 1, _buoys.Length);
triangles[3 * i + 2] = (int)Mathf.Repeat(i + 2, _buoys.Length);
}
_mesh.vertices = _vertices;
_mesh.triangles = triangles;
if (ps)
{
_particleShape = ps.shape;
_particleShape.mesh = _mesh;
}
}
private void OnDisable()
{
_samplePoints.Dispose();
}
// Update is called once per frame
private void Update()
{
GerstnerWavesJobs.UpdateSamplePoints(ref _samplePoints, _guid);
GerstnerWavesJobs.GetData(_guid, ref _heights, ref _normals);
for (var i = 0; i < _buoys.Length; i++)
{
var vec = _buoys[i].position;
vec.y = _heights[i].y;
_buoys[i].position = vec;
_vertices[i] = vec;
_buoys[i].up = Vector3.Slerp(_buoys[i].up, _normals[i], Time.deltaTime);
}
_mesh.vertices = _vertices;
}
}