public override List <VariableNode> apply(List <VariableNode> variables, DecisionTreeBase tree)
{
Debug.Log("Lsys apply");
if (fromThis == null)
{
throw new System.Exception("transform from this cannot be null");
}
if (condition())
{
List <string> temp = new List <string>();
for (int i = 0; i < variables.Count; i++)
{
temp.Add(variables[i].name_);
}
var indices = MathXT.ListInListAt(temp, fromThis);
List <VariableNode> toInstansiate = new List <VariableNode>();
try{
for (int i = 0; i < toThis.Count; i++)
{
toInstansiate.Add(tree.variables[toThis[i]]);
}
}
catch
{
throw new System.Exception("a variable has not been defined");
}
//done building variable nodes
//now replace nodes end to start
//add transformaaion code here
for (int i = indices.Count - 1; i >= 0; i--)
{
variables.RemoveRange(i, fromThis.Count);
variables.InsertRange(i, toInstansiate);
}
//throw new NotImplementedException();
return(variables);
}
else
{
return(variables);
}
}
/// <summary>
/// Tesselate this mesh subdivides each triangle in the mesh into 4 triangles
/// should not be run more than four times even on very simple meshes
/// </summary>
public void Tesselate()
{
try
{
var tempVerts = new Vector3[triangles.Length * 4];
var tempUv = new Vector2[triangles.Length * 4];
var tempTris = new int[triangles.Length * 4];
var tempNormals = new Vector3[triangles.Length * 4];
for (int i = 0; i < (triangles.Length / 3); i++)
{
tempTris[i * 12] = (i * 12); //triangles[i*3];
tempVerts[i * 12] = vertices[triangles[i * 3]];
tempNormals[i * 12] = normals[triangles[i * 3]];
tempUv[i * 12] = uv[triangles[i * 3]];
Vector2 uvM0 = MathXT.midPoint(uv[triangles[(i * 3) + 1]], uv[triangles[(i * 3) + 2]]);
Vector2 uvM1 = MathXT.midPoint(uv[triangles[(i * 3)]], uv[triangles[(i * 3) + 2]]);
Vector2 uvM2 = MathXT.midPoint(uv[triangles[(i * 3)]], uv[triangles[(i * 3) + 1]]);
Vector3 m0 = MathXT.midPoint(vertices[triangles[(i * 3) + 2]], vertices[triangles[(i * 3) + 1]]);
Vector3 m1 = MathXT.midPoint(vertices[triangles[(i * 3)]], vertices[triangles[(i * 3) + 2]]);
Vector3 m2 = MathXT.midPoint(vertices[triangles[(i * 3)]], vertices[triangles[(i * 3) + 1]]);
tempVerts[(i * 12) + 1] = m2;
tempTris[(i * 12) + 1] = (i * 12) + 1;
tempNormals[(i * 12) + 1] = normals[triangles[i * 3]];
tempUv[(i * 12) + 1] = uvM2;
tempVerts[(i * 12) + 2] = m1;
tempTris[(i * 12) + 2] = (i * 12) + 2;
tempNormals[(i * 12) + 2] = normals[triangles[i * 3]];
tempUv[(i * 12) + 2] = uvM1;
tempVerts[(i * 12) + 3] = vertices[triangles[(i * 3) + 1]];
tempTris[(i * 12) + 3] = (i * 12) + 3;//triangles[(i*3)+1];
tempNormals[(i * 12) + 3] = normals[triangles[(i * 3) + 1]];
tempUv[(i * 12) + 3] = uv[triangles[(i * 3) + 1]];
tempVerts[(i * 12) + 4] = m0;
tempTris[(i * 12) + 4] = (i * 12) + 4;
tempNormals[(i * 12) + 4] = normals[triangles[(i * 3) + 1]];
tempUv[(i * 12) + 4] = uvM0;
tempVerts[(i * 12) + 5] = m2;
tempTris[(i * 12) + 5] = (i * 12) + 5;
tempNormals[(i * 12) + 5] = normals[triangles[(i * 3) + 1]];
tempUv[(i * 12) + 5] = uvM2;
//triangle 3
tempVerts[(i * 12) + 6] = vertices[triangles[(i * 3) + 2]];
tempTris[(i * 12) + 6] = (i * 12) + 6;//triangles[(i*3)+2];
tempNormals[(i * 12) + 6] = normals[triangles[(i * 3) + 2]];
tempUv[(i * 12) + 6] = uv[triangles[(i * 3) + 2]];
tempVerts[(i * 12) + 7] = m1;
tempTris[(i * 12) + 7] = (i * 12) + 7;
tempNormals[(i * 12) + 7] = normals[triangles[(i * 3) + 2]];
tempUv[(i * 12) + 7] = uvM1;
tempVerts[(i * 12) + 8] = m0;
tempTris[(i * 12) + 8] = (i * 12) + 8;
tempNormals[(i * 12) + 8] = normals[triangles[(i * 3) + 2]];
tempUv[(i * 12) + 8] = uvM0;
//triangle 4 last one
tempVerts[(i * 12) + 9] = m0;
tempTris[(i * 12) + 9] = (i * 12) + 9;
tempNormals[(i * 12) + 9] = normals[triangles[(i * 3) + 1]];
tempUv[(i * 12) + 9] = uvM0;
tempVerts[(i * 12) + 10] = m1;
tempTris[(i * 12) + 10] = (i * 12) + 10;
tempNormals[(i * 12) + 10] = normals[triangles[(i * 3) + 2]];
tempUv[(i * 12) + 10] = uvM1;
tempVerts[(i * 12) + 11] = m2;
tempTris[(i * 12) + 11] = (i * 12) + 11;
tempNormals[(i * 12) + 11] = normals[triangles[(i * 3)]];
tempUv[(i * 12) + 11] = uvM2;
}
triangles = tempTris;
vertices = tempVerts;
uv = tempUv;
normals = tempNormals;
}
catch (System.Exception e)
{
UnityEngine.Debug.LogException(e);
}
}
