public void GenerateMeshData(TreeFunction trunk, float simplifyLeafs, float radialResolution)
{
Stack <Queue <TreePoint> > treePoints = new Stack <Queue <TreePoint> >();
foreach (Node stem in stems)
{
Stack <Queue <TreePoint> > newPoints = stem.ToSplines();
while (newPoints.Count > 0)
{
treePoints.Push(newPoints.Pop());
}
}
Splines splines = new Splines(treePoints);
splines.GenerateMeshData(7 * radialResolution, 3, trunk.TrootShape, trunk.TradiusMultiplier, trunk.TrootRadius, trunk.TrootHeight, trunk.TrootResolution
, trunk.TflareNumber, trunk.TdisplacementStrength, trunk.TdisplacementSize, trunk.TspinAmount);
Queue <int> leafTriangles = new Queue <int>();
GenerateLeafData(splines.verts, splines.normals, splines.uvs, leafTriangles, splines.verts.Count, splines.colors, simplifyLeafs);
verts = splines.verts.ToArray();
normals = splines.normals.ToArray();
uvs = splines.uvs.ToArray();
triangles = splines.triangles.ToArray();
colors = splines.colors.ToArray();
this.leafTriangles = leafTriangles.ToArray();
}
void UpdateBranch(bool normalShader = false)
{
if (branchObject == null)
{
CreateBranchObject(normalShader);
}
CreateLeafMesh();
MTree branch = new MTree(branchObject.transform);
TreeFunction trunkF = new TreeFunction(0, FunctionType.Trunk, null);
float resolution = 20;
Random.InitState(seed);
branch.AddTrunk(Vector3.up, Vector3.forward, stemLength, AnimationCurve.Linear(0, 1, 1, .3f), radius, resolution, randomness / 3, 0, AnimationCurve.Linear(0, 1, 0, 0), 0, .01f, 1, 0);
branch.AddBranches(0, length, AnimationCurve.Linear(0, 1, 1, 1), resolution, branchNumber, splitProba, AnimationCurve.Linear(0, 1, 1, 1),
angle, randomness, AnimationCurve.Linear(0, 1, 1, .4f), .9f, 0, 1, 0f, 2, .1f, 1f, 0.00001f);
branch.AddLeafs(leafCovering, leafNumber, new Mesh[] { leafMesh }, leafSize, false, 0, 0, 1, leafAngle);
Mesh mesh = CreateBranchMesh(branch, trunkF);
branchObject.GetComponent <MeshFilter>().mesh = mesh;
if (cameraObject == null)
{
CreateCameraObject();
}
RenderCamera();
DestoyObjects();
}
public void RemoveFunction(int index)
{
#if UNITY_EDITOR
Undo.RecordObject(this, "Removed function");
#endif
Mtree.TreeFunction functionToRemove = treeFunctions[index];
TreeFunction newParent = functionToRemove.parent;
foreach (TreeFunction tf in treeFunctions)
{
if (tf.parent != null && tf.parent.id == functionToRemove.id)
{
tf.parent = newParent;
}
}
treeFunctions.RemoveAt(index);
if (selectedFunctionIndex >= index)
{
selectedFunctionIndex--;
}
UpdateTreeFunctions();
}
void UpdateBranch(bool normalShader = false)
{
switch (texSize)
{
case EnumTextureSize._512:
textureSize = 512;
break;
case EnumTextureSize._1024:
textureSize = 1024;
break;
case EnumTextureSize._2048:
textureSize = 2048;
break;
case EnumTextureSize._4096:
textureSize = 4096;
break;
}
if (branchObject == null)
{
CreateBranchObject(normalShader);
}
if (!deadLeafsRendering)
{
CreateLeafMesh();
}
MTree branch = new MTree(branchObject.transform);
TreeFunction trunkF = new TreeFunction(0, FunctionType.Trunk, null);
float resolution = 20;
Random.InitState(seed);
branch.AddTrunk(Vector3.up, Vector3.forward, stemLength, AnimationCurve.Linear(0, 1, 1, .3f), radius, resolution, randomness / 3, 0, AnimationCurve.Linear(0, 1, 0, 0), 0, .01f, 1, 0);
branch.TwigSplit(branchNumber, angle * 90f, .9f, 0f);
branch.Grow(length, AnimationCurve.Linear(0, 1, 1, 1), resolution, splitProba, AnimationCurve.Linear(0, 1, 1, 1), angle, 2, 1, 1, randomness, AnimationCurve.Linear(0, 1, 1, .4f), .9f, 0f, 0f, 1f, 0.00001f);
if (!deadLeafsRendering)
{
branch.AddLeafs(leafCovering, leafNumber, new Mesh[] { leafMesh }, leafSize, false, 0, 0, 1, leafAngle, false, 0, 0, 0, 0);
}
Mesh mesh = CreateBranchMesh(branch, trunkF);
branchObject.GetComponent <MeshFilter>().mesh = mesh;
if (cameraObject == null)
{
CreateCameraObject();
}
RenderCamera();
DestoyObjects();
}
Mesh CreateBranchMesh(MTree branch, TreeFunction trunkFunction)
{
Mesh mesh = new Mesh();
branch.GenerateMeshData(trunkFunction, 0, 1);
mesh.vertices = branch.verts;
mesh.normals = branch.normals;
mesh.uv = branch.uvs;
Color[] colors = branch.colors;
mesh.triangles = branch.triangles;
if (branch.leafTriangles.Length > 0)
{
mesh.subMeshCount = 2;
mesh.SetTriangles(branch.leafTriangles, 1);
}
mesh.colors = colors;
return(mesh);
}
public TreeFunction(int id, FunctionType type, TreeFunction parent)
{
UpdateStyle();
this.id = id;
this.type = type;
this.parent = parent;
parentId = parent == null ? -1 : parent.id;
name = type.ToString();
position = parent == null ? 0 : parent.position + positionOffset;
seed = Random.Range(0, 1000);
rect = new Rect();
deleteRect = new Rect();
if (type == FunctionType.Grow)
{
Keyframe[] keys = new Keyframe[2] {
new Keyframe(0f, 1f, 0f, 0f), new Keyframe(1f, 0f, -.5f, -1f)
};
Gradius = new AnimationCurve(keys);
}
if (type == FunctionType.Branch && parent != null && parent.type != FunctionType.Trunk)
{
Blength = 3;
Bstart = .2f;
Bangle = .5f;
Bnumber = 55;
BmaxSplits = 2;
Bresolution = 1;
}
if (type == FunctionType.Trunk)
{
Keyframe[] keys = new Keyframe[2] {
new Keyframe(0f, 1f, 0f, 0f), new Keyframe(1f, 0f, -1f, -1f)
};
Tradius = new AnimationCurve(keys);
Keyframe[] rootKeys = new Keyframe[2] {
new Keyframe(0f, 1f, -2f, -2f), new Keyframe(1f, 0f, 0f, 0f)
};
TrootShape = new AnimationCurve(rootKeys);
}
}