protected Vector3 WorldDir(Sprig b, int childcount)
{
Vector3 result = Vector3.zero;
Vector3 normal = Vector3.Cross(b.parent.dir, b.parent.parent.dir);
Vector3 target = b.dir;
result = Quaternion.AngleAxis((b.parent.sprig.Count % 2 == 0? 1 : -1) * this.angle / 2, normal * -1) * target;
return(result.normalized);
}
private void Sprigging(Branch b, float weight, int childcount = 2, int sprigcount = 2)
{
if (b.level > this.intensity - 1 || b.level < 2)
{
return;
}
for (int i = 0; i < sprigcount; i++)
{
Branch s = Sprig.Create(b, sprigcount, weight / 2.0f);
b.sprig.Add(s);
this.branches.Add(s);
Branching(s, 2, sprigcount);
}
}
new public static Sprig Create(Branch parent, int childcount, float weight)
{
GameObject o = new GameObject();
Sprig s = o.AddComponent <Sprig>();
o.transform.SetParent(parent.transform, false);
s.parent = parent;
s.level = parent.level + 2;
s.child = new List <Branch>();
s.leaf = new List <LeafBud>();
s.angle = parent.angle * 2.0f;
s.length = parent.length * 2.0f;
s.tree = parent.tree;
s.color = Color.white;
s.smoothsteps = new Vector3[s.tree.smoothstep];
s.pos = parent.pos + parent.transform.rotation * parent.smoothsteps [(int)((float)(parent.sprig.Count + 1) / (childcount + 1) * (parent.smoothsteps.Length))];
s.dir = parent.dir;
//this.dir = Quaternion.Euler(0.0f, 0.0f, ((angle / childcount)) ) * (parent.dir);
s.dir = s.WorldDir(s, childcount);
s.weight = weight;
if (s.tree.sunIntensity > 0)
{
s.weight *= (0.5f + Mathf.Pow(Mathf.Cos(Vector3.Angle(s.dir, s.tree.sun * (-1f)) / 2.0f * Mathf.PI / 180.0f), s.tree.sunIntensity));
}
s.dir = s.dir.normalized * s.length * s.weight;
o.transform.position = s.pos;
o.transform.LookAt(s.pos + s.dir);
s.smoothsteps = s.CalcSmoothStep(ref s.smoothsteps, s.transform.worldToLocalMatrix * s.transform.forward * s.dir.magnitude, s.parent.dir, 1);
o.name = string.Format("{0}_{1}_sprig", s.level, s.parent.sprig.Count);
s.AddCollider(s);
return(s);
}
