public static YulanTree Create(Transform parent, Vector3 start, int intensity, float length, float angle, int smoothstep, Transform cam, Vector3 sun, float sunIntensity, Sprite leaf)
{
GameObject o = new GameObject("YulanTree");
o.transform.SetParent(parent, false);
YulanTree yulan = o.AddComponent <YulanTree>();
yulan.intensity = intensity;
yulan.length = length;
yulan.angle = angle;
yulan.sun = sun;
yulan.sunIntensity = sunIntensity;
yulan.transform.SetParent(parent, false);
yulan.smoothstep = smoothstep;
yulan.root = Branch.Create(yulan, parent.transform.up, length, angle, cam.right);
yulan.leaf = leaf;
yulan.branches.Add(yulan.root);
yulan.top = start;
return(yulan);
}
// trunk
public static Branch Create(YulanTree tree, Vector3 direction, float length, float angle, Vector3 normal)
{
GameObject o = new GameObject("0_root");
Branch b = o.AddComponent <Branch>();
o.transform.SetParent(tree.transform, false);
b.level = 0;
b.parent = null;
b.child = new List <Branch>();
b.sprig = new List <Branch>();
b.leaf = new List <LeafBud>();
b.pos = tree.transform.position;
b.dir = direction;
b.length = length;
b.tree = tree;
b.angle = angle;
b.color = Color.white;
b.weight = 1;
b.normal = normal;
if (b.tree.sunIntensity > 0)
{
b.weight *= (0.5f + Mathf.Pow(Mathf.Cos(Vector3.Angle(b.dir, b.tree.sun * (-1f)) / 2.0f * Mathf.PI / 180.0f), b.tree.sunIntensity));
}
o.transform.position = b.pos;
o.transform.LookAt(b.pos + b.dir);
b.smoothsteps = new Vector3[b.tree.smoothstep + 1];
b.smoothsteps = b.CalcSmoothStep(ref b.smoothsteps, Vector3.forward, b.normal, 1);
return(b);
}
public void Generate()
{
if (tree != null)
{
Destroy(tree.gameObject);
}
tree = YulanTree.Create(this.transform, Vector3.zero, this.intensity, this.length, this.angle, 7, this.cam.transform, this.sun.forward, this.sunIntensity, this.leaf);
tree.MakeTree(this.child, this.sprig);
tree.Shaking(wind, 0.5f, 50f);
Debug.Log("cam.right:" + this.cam.transform.right);
}