public void ConvertTrianglesToVoxels(Blocks MyBlocks, Mesh InputMesh) {
resolution = Mathf.Pow (resolution, 2);
InputMesh.RecalculateBounds ();
MyBounds = InputMesh.bounds;
// draws the bounding box
DebugShapes.DrawCube (transform.position + InputMesh.bounds.center, InputMesh.bounds.extents, Color.green);
Debug.LogError ("Converting mesh to voxels");
MyBlocks = GetManager.GetDataManager().BlockStructuresList[BlockStructureIndex].MyBlocks;
float SizeOfGrid = 1f;
//real block size is x2 whatever i set here
Vector3 Bounds = InputMesh.bounds.extents;
float LargestSize = Bounds.x;
if (LargestSize < Bounds.y)
LargestSize = Bounds.y;
if (LargestSize < Bounds.z)
LargestSize = Bounds.z;
//LargestSize = Mathf.CeilToInt (LargestSize);
GridLength = Mathf.CeilToInt (LargestSize * resolution);
Vector3 GridSize = new Vector3 (GridLength, GridLength, GridLength);
BlockLength = Mathf.CeilToInt (LargestSize) / resolution;
BlockSize = new Vector3 (BlockLength, BlockLength, BlockLength);
//GridSize = GridSize / 2f;
// calculate block size depending on the bounds size of the model
// so if bounds size is 3, have block size as 3
// then set grid size to block size divided by resolution
MyBlocks.Size = GridSize;
MyBlocks.InitilizeData();
Vector3[] Verticies = InputMesh.vertices;
int[] Indicies = InputMesh.GetIndices (0);
Vector3[] Normals = InputMesh.normals;
// i have to make the grid size the same as the bounding box
//Vector3 BlockSize = new Vector3(resolution, resolution, resolution);
//BlockSize = 2f*(BlockSize/(MyBounds.extents.magnitude));
Debug.LogError("Block Size is: " + BlockSize.ToString());
Debug.LogError("Indicies Size is: " + Indicies.Length.ToString());
for (int z = 0; z < Indicies.Length; z += 3) {
Vector3 Vertex1 = Verticies[Indicies[z+0]];
Vector3 Vertex2 = Verticies[Indicies[z+1]];
Vector3 Vertex3 = Verticies[Indicies[z+2]];
if (IsNormalsDebug) {
Debug.DrawLine (transform.position+Vertex1,transform.position+Vertex1 + Normals[Indicies[z+0]]*NormalsLength, Color.blue, 5);
Debug.DrawLine (transform.position+Vertex2,transform.position+Vertex2 + Normals[Indicies[z+1]]*NormalsLength, Color.blue, 5);
Debug.DrawLine (transform.position+Vertex3,transform.position+Vertex3 + Normals[Indicies[z+2]]*NormalsLength, Color.blue, 5);
}
//Debug.LogError ("Triangle " + (z/3) + ": " + Vertex1.ToString() + "---" + Vertex2.ToString() + "---" + Vertex3.ToString());
//Debug.DrawLine (transform.position+new Vector3(startX, startY, startZ),transform.position+new Vector3(endX,endY,endZ), Color.red, 5);
// should only do this for the blocks around the triangles
// need to optimize this asap
// for blocks around triangle?
//Vector3 StartBlock = new Vector3();
//StartBlock.x = Mathf.FloorToInt(); // minimum size of the Vertex AARB
// find the size of each triangle as an Axis Aligned Rectangle Bounds - AARB
Vector3 TrianglePosition = (Vertex2 + Vertex3)/2f;
Vector3 TriangleMinimum = new Vector3 (Mathf.Min (Vertex1.x, Vertex2.x, Vertex3.x), Mathf.Min (Vertex1.y, Vertex2.y, Vertex3.y), Mathf.Min (Vertex1.z, Vertex2.z, Vertex3.z));
Vector3 TriangleMaximum = new Vector3 (Mathf.Max (Vertex1.x, Vertex2.x, Vertex3.x), Mathf.Max (Vertex1.y, Vertex2.y, Vertex3.y), Mathf.Max (Vertex1.z, Vertex2.z, Vertex3.z));
Vector3 TriangleSize = new Vector3();
TriangleSize = TriangleMaximum - TriangleMinimum;
TriangleSize *= 0.5f;
TrianglePosition = TriangleMinimum + TriangleSize;
TrianglePosition += InputMesh.bounds.extents;
int StartX = Mathf.FloorToInt((TrianglePosition.x-TriangleSize.x)); // before it was 0
int EndX = Mathf.CeilToInt((TrianglePosition.x+TriangleSize.x)/resolution);//MyBlocks.Size.x; i++)
int StartY = Mathf.FloorToInt((TrianglePosition.y-TriangleSize.y));
int EndY = Mathf.CeilToInt((TrianglePosition.y+TriangleSize.y)/resolution);
int StartZ = Mathf.FloorToInt((TrianglePosition.z-TriangleSize.z));
int EndZ = Mathf.CeilToInt((TrianglePosition.z+TriangleSize.z)/resolution);
StartX = 0; StartY = 0; StartZ = 0;
EndX = Mathf.CeilToInt(MyBlocks.Size.x)-1; EndY = Mathf.CeilToInt(MyBlocks.Size.y)-1; EndZ = Mathf.CeilToInt(MyBlocks.Size.z)-1;
Debug.LogError (z + " || StartX: " + StartX + " - EndX: " + EndX +
" || StartY: " + StartY + " - EndY: " + EndY +
" || StartZ: " + StartZ + " - EndZ: " + EndZ);
Debug.Break ();
for (int i = StartX; i <= EndX; i++)
for (int j = StartY; j <= EndY; j++)
for (int k = StartZ; k <= EndZ; k++)
{
if (MyBlocks.GetBlockType(new Vector3(i,j,k)) == 0) {
Vector3 BlockPosition = BlockSize + MyBounds.center;
BlockPosition += 2f*(new Vector3(i*BlockSize.x,j*BlockSize.y,k*BlockSize.z));
if (IsTriangleInGrid(BlockPosition, BlockSize, TrianglePosition, TriangleSize)) {
MyBlocks.UpdateBlock(new Vector3(i,j,k), 1);
}// else
//MyBlocks.UpdateBlock(new Vector3(i,j,k), 0);
}
}
//break; // for now test it once
}
Debug.LogError ("Size of grid: " + MyBlocks.Size.ToString ());
if (IsDebugGrid)
for (int i = 0; i < MyBlocks.Size.x; i++)
for (int j = 0; j < MyBlocks.Size.y; j++)
for (int k = 0; k < MyBlocks.Size.z; k++)
{
Vector3 BlockPosition = BlockSize + MyBounds.center;
BlockPosition += 2f*(new Vector3(i*BlockSize.x,j*BlockSize.y,k*BlockSize.z));
if (MyBlocks.GetBlockType(new Vector3(i,j,k)) == 0) {
if (IsDebugAllBlocks)
DebugShapes.DrawCube (BlockPosition+transform.position - MyBounds.extents,
BlockSize,
Color.white, true);
}
else {
DebugShapes.DrawCube (BlockPosition+transform.position - MyBounds.extents,
BlockSize,
Color.red, true);
}
}
}