private void Craft()
{
//初始化组件Path_camp
_path = GetComponent <Path_Comp>();
// struct Path_Point 包含point，forward，up，right;
//GetPathPoint() 返回一个Path_Point 依据传入的distance(距离起始点的距离)
Path_Point pointA = _path.GetPathPoint(0.0f);//获得路径的起点
Path_Point pointB = pointA;
Path_Point pointB2 = pointA;
//_segment_length = max_z - min_z; 传入的dist 为距离起点的两两直线段距离
for (float dist = 0.0f; dist < _path._path.TotalDistance; dist += _segment_length)
{ //对于dist=0，dist<总长度，dist=dist+分段的距离
pointB = _path.GetPathPoint(Mathf.Clamp(dist + _segment_length, 0, _path._path.TotalDistance)); //确定B点的位置
pointB2 = _path.GetPathPoint(Mathf.Clamp(dist + _segment_length - (float)0.05, 0, _path._path.TotalDistance)); //确定B点的位置
_helpTransform1.rotation = Quaternion.LookRotation(pointA.forward, pointA.up); //游戏对象1的旋转=z轴朝向view，y轴朝向up
_helpTransform1.position = transform.TransformPoint(pointA.point); //对象1的位置是A点的位置
_helpTransform2.rotation = Quaternion.LookRotation(pointB.forward, pointB.up); //游戏对象2的旋转=z轴朝向view，y轴朝向up
_helpTransform2.position = transform.TransformPoint(pointB.point); //对象2的位置是B点的位置
Add_Segment(); //添加分段
pointA = pointB2; //A->B
}
}
public Vector3 GetPoint(float dist, Path_Comp path)
{
Vector3 point = Vector3.zero;
point = transform.TransformPoint(path._path.GetPathPoint(dist, true).point);
return(point);
}
void OnEnable()
{
_path_comp = GetComponent <Path_Comp>();
_particle_system = GetComponent <ParticleSystem>();
ParticleSystem.EmissionModule em = _particle_system.emission;
em.enabled = false;
_particle_array = new ParticleSystem.Particle[_particle_system.maxParticles];
_particle_trackerArray = new PathParticleTracker[_particle_system.maxParticles];
for (int i = 0; i < _particle_trackerArray.Length; i++)
{
_particle_trackerArray[i] = new PathParticleTracker();
}
_emissionRateTracker = 1.0f / emissionRate;
#if UNITY_EDITOR
if (!Application.isPlaying)
{
_editorTimetracker = EditorApplication.timeSinceStartup;
}
#endif
}
public float GetNearestPoint(Vector3 position, Path_Comp path, float precision = 0.05f)
{
if (newNearestAlgorithm)
{
float f = GetNearestPointTree(position, path, 10, 10f, 20f);
// 1024 recursions takes 7-12 ms
// 512 recursions takes 3-5 ms
// 400 and below takes 1-2 ms
// 64 and less takes 0 ms!
return(f);
}
else
{
float currentDistanceL = 9999f;
float currentDistance;
float currentClosestT = path.TotalDistance;
for (float i = 0; i < path.TotalDistance; i += precision)
{
currentDistance = (GetPoint(i, path) - position).sqrMagnitude;
if (currentDistance < currentDistanceL)
{
currentDistanceL = currentDistance;
currentClosestT = i;
}
}
return(currentClosestT);
}
}
public void GenerateStatic(Path_Comp path)
{
for (int i = 0; i < transform.childCount; i++)
{
//Add(staticPoints, transform.GetChild(i).position);
}
}
public void GenerateDynamic(Path_Comp path)
{
for (int i = 0; i < transform.childCount; i++)
{
//Debug.Log(i);
//dynamicPoints.Add(transform.GetChild(i).position);
}
}
public Vector3 GetRightTangent(float dist, Path_Comp path)
{
//kinda false tangent gonna fix that soon
//tangentdist should be 0.05 or smth
Vector3 tangent = Vector3.zero;
tangent = path.GetPathPoint(dist).right;
return(tangent);
}
public Vector3 GetTangent(float dist, Path_Comp path)
{
//kinda false tangent gonna fix that soon
//tangentdist should be 0.05 or smth
Vector3 tangent = Vector3.zero;
tangent = path.GetPathPoint(dist).forward;
//StartCoroutine(Math_Functions.CatmullRomThread());
return(tangent);
}
float GetNearestPointRef(Vector3 position, Path_Comp path, float precision = 0.05f)
{
float currentDistanceL = 9999f;
float currentDistance;
float currentClosestT = path.TotalDistance;
for (float i = 0; i < path.TotalDistance; i += precision)
{
currentDistance = (GetPoint(i, path) - position).sqrMagnitude;
if (currentDistance < currentDistanceL)
{
currentDistanceL = currentDistance;
currentClosestT = i;
}
}
return(currentClosestT);
}
public float GetNearestPointTree(Vector3 position, Path_Comp path, int recursions, float range, float precision = 5f)
{
float closestDistanceT = 99999f;
float closestDistance = 99999f;
Vector2 Scanrange = Vector2.zero;
for (float i = 0; i < path.TotalDistance; i += precision)
{
Vector3 po = GetPoint(i, path);
float d = (position - po).sqrMagnitude;
UnityEngine.Debug.DrawRay(po, Vector3.up);
if (d < closestDistance)
{
closestDistanceT = i;
closestDistance = d;
}
}
Scanrange = new Vector2(Mathf.Clamp(closestDistanceT - (range), 0f, 99999f), closestDistanceT + (range));
for (int r = 1; r < recursions + 1; r++)
{
for (float i = Scanrange.x; i <= Scanrange.y; i += precision / r)
{
Vector3 po = GetPoint(i, path);
UnityEngine.Debug.DrawRay(po, Vector3.up);
float d = (position - po).sqrMagnitude;
if (d < closestDistance)
{
closestDistanceT = i;
closestDistance = d;
}
}
Scanrange = new Vector2(closestDistanceT - (range / r), closestDistanceT + (range / r));
}
return(closestDistanceT);
}
private void Craft()
{
_path = GetComponent <Path_Comp>();
Path_Point pointA = _path.GetPathPoint(0.0f);
Path_Point pointB = pointA;
for (float dist = 0.0f; dist < _path._path.TotalDistance; dist += _segment_length)
{
pointB = _path.GetPathPoint(Mathf.Clamp(dist + _segment_length, 0, _path._path.TotalDistance));
_helpTransform1.rotation = Quaternion.LookRotation(pointA.forward, pointA.up);
_helpTransform1.position = transform.TransformPoint(pointA.point);
_helpTransform2.rotation = Quaternion.LookRotation(pointB.forward, pointB.up);
_helpTransform2.position = transform.TransformPoint(pointB.point);
Add_Segment();
pointA = pointB;
}
}
public float GetNearestPointCustom(Vector3 position, Path_Comp path, float recursions, float precision = 0.05f)
{
if (newNearestAlgorithm)
{
//Stopwatch s = new Stopwatch();
//s.Start();
float f = GetNearestPointTree(position, path, (int)recursions, 10f, 20f);
// 1024 recursions takes 7-12 ms
// 512 recursions takes 3-5 ms
// 400 and below takes 1-2 ms
// 64 and less takes 0 ms!
//s.Stop();
//UnityEngine.Debug.Log(s.ElapsedMilliseconds);
return(f);
}
else
{
Stopwatch stopWatch = new Stopwatch();
stopWatch.Start();
float currentDistanceL = 9999f;
float currentDistance;
float currentClosestT = path.TotalDistance;
for (float i = 0; i < path.TotalDistance; i += precision)
{
currentDistance = (GetPoint(i, path) - position).sqrMagnitude;
if (currentDistance < currentDistanceL)
{
currentDistanceL = currentDistance;
currentClosestT = i;
}
}
stopWatch.Stop();
return(currentClosestT);
}
}
public Vector3[] GetTrackPoints()
{
ScanSourceMesh();
_path = GetComponent <Path_Comp>();
Path_Point pointA = _path.GetPathPoint(0.0f);
Path_Point pointB = pointA;
int totalTrackPoints = (int)(_path._path.TotalDistance / _segment_length) + 1;
trackPoints = new Vector3[totalTrackPoints];
int count = 0;
for (float dist = 0.0f; dist < _path._path.TotalDistance; dist += _segment_length)
{
pointB = _path.GetPathPoint(Mathf.Clamp(dist + _segment_length, 0, _path._path.TotalDistance));
trackPoints[count] = pointA.point;
count++;
pointA = pointB;
}
return(trackPoints);
}
void OnEnable()
{
_path_comp = GetComponent <Path_Comp>();
_particle_system = GetComponent <ParticleSystem>();
ParticleSystem.EmissionModule em = _particle_system.emission;
em.enabled = false;
_particle_array = new ParticleSystem.Particle[_particle_system.main.maxParticles];
_particle_trackerArray = new PathParticleTracker[_particle_system.main.maxParticles];
for (int i = 0; i < _particle_trackerArray.Length; i++)
{
_particle_trackerArray[i] = new PathParticleTracker();
}
if (_particle_system.main.prewarm)
{
float numRevive = Mathf.Floor(emissionRate * _particle_system.main.startLifetime.constant);
for (int i = 0; i < numRevive; i++)
{
_particle_trackerArray[i].Revive(_particle_system);
_particle_trackerArray[i].particle.remainingLifetime = _particle_trackerArray[i].particle.startLifetime * ((float)i / numRevive);
}
}
_emissionRateTracker = 1.0f / emissionRate;
#if UNITY_EDITOR
if (!Application.isPlaying)
{
_editorTimetracker = EditorApplication.timeSinceStartup;
}
#endif
}
void Start()
{
_path_comp = GetComponent <Path_Comp>();
_particle_system = GetComponent <ParticleSystem>();
_particle_array = new ParticleSystem.Particle[_particle_system.main.maxParticles];
}
// Use this for initialization
void Start()
{
_pathComp = GetComponent <Path_Comp>();
}