void GenerateCurve()
{
Queue <FrameDate> frames;
List <Transform> wayPoints = new List <Transform>();
List <PathNode> pathnodes = new List <PathNode>(nodes.Values);
pathnodes.Sort((a, b) =>
{
return(a.Index.CompareTo(b.Index));
});
int count = pathnodes.Count;
for (int i = 0; i < count; ++i)
{
if (i == 0)
{
psystem.transform.position = pathnodes[i].Node.position;
psystem.transform.eulerAngles = Vector3.zero;
}
if (pathnodes[i].Node)
{
wayPoints.Add(pathnodes[i].Node);
}
}
//至少要两个点
if (wayPoints.Count > 1)
{
float distance = ParticleUtils.CalculateDirection(wayPoints, out frames);
AnimationCurve curve_X;
AnimationCurve curve_Y;
AnimationCurve curve_Z;
float lifeTime = distance / psystem.startLifetime;
ParticleUtils.MakeCurve(frames, distance, lifeTime, out curve_X, out curve_Y, out curve_Z);
var vel = psystem.velocityOverLifetime;
vel.enabled = true;
vel.space = ParticleSystemSimulationSpace.Local;
vel.x = new ParticleSystem.MinMaxCurve(lifeTime, curve_X);
vel.y = new ParticleSystem.MinMaxCurve(lifeTime, curve_Y);
vel.z = new ParticleSystem.MinMaxCurve(lifeTime, curve_Z);
}
}
public void DrawPath(List <Vector3> points)
{
Queue <FrameDate> frames;
float distance = ParticleUtils.CalculateDirection(points, out frames);
particle.transform.position = points[0];
AnimationCurve curve_X;
AnimationCurve curve_Y;
AnimationCurve curve_Z;
float lifeTime = distance / particle.startLifetime;
ParticleUtils.MakeCurve(frames, distance, lifeTime, out curve_X, out curve_Y, out curve_Z);
var vel = particle.velocityOverLifetime;
vel.enabled = true;
vel.space = ParticleSystemSimulationSpace.Local;
vel.x = new ParticleSystem.MinMaxCurve(lifeTime, curve_X);
vel.y = new ParticleSystem.MinMaxCurve(lifeTime, curve_Y);
vel.z = new ParticleSystem.MinMaxCurve(lifeTime, curve_Z);
}