//create a leaf at a specific position on the tree
public void GrowLeaf(Vector3 position, TreeGenerator tree)
{
if (leaves == null)
{
leaves = new List <GameObject>();
}
//only spawn a new leaf if we haven't already spawned the maximum number of leaves available per tree
if (leaves.Count < tree.numLeaves)
{
GameObject leaf = new GameObject(string.Format("Leaf_{0:X4}", Random.Range(0, 65536)));
leaf.transform.position = position;
leaf.transform.rotation = new Quaternion(Random.value, Random.value, Random.value, Random.value);
MeshFilter meshFilter = (MeshFilter)leaf.AddComponent(typeof(MeshFilter));
meshFilter.mesh = CreateLeafMesh(1, 1);
MeshRenderer renderer = leaf.AddComponent(typeof(MeshRenderer)) as MeshRenderer;
SetMaterial(tree, leaf);
leaves.Add(leaf);
}
else //otherwise we move existing leaves to the ends of the branches of the new tree being generated
{
for (int i = 0; i < leaves.Count; i++)
{
if (leaves[i].activeSelf == false)
{
leaves[i].SetActive(true);
leaves[i].transform.position = position;
SetMaterial(tree, leaves[i]);
break;
}
}
}
}
//set the material of the leaf
private static void SetMaterial(TreeGenerator tree, GameObject leaf)
{
//first leaf of a new tree sets new random leaf material
if (tree.currentLeafCount == 0)
{
leafMat = Resources.Load("Materials/LeafMaterials/Leaves" + Random.Range(1, 15), typeof(Material)) as Material;
}
leaf.GetComponent <Renderer>().material = leafMat;
}