|
public ProcessCell ( List |
||
| indexes | List |
|
| tri_count | List |
|
| threshold | float | |
| return | void | |
public void CalculateIndexes(float threshold)
{
if (!FlatShading)
{
Indices.Clear();
}
else
{
Indices = new List <int>();
}
List <int> tri_count = new List <int>();
tree.ProcessCell(Indices, tri_count, threshold);
if (!FlatShading)
{
IndexCount = Indices.Count;
if (Indices.Count == 0)
{
return;
}
}
if (!FlatShading)
{
IndexBuffer.SetData <int>(Indices.ToArray());
}
else
{
List <VertexPositionColorNormal> new_vertices = new List <VertexPositionColorNormal>();
int t_index = 0;
for (int i = 0; i < Indices.Count; i += 3)
{
int count = tri_count[t_index++];
Vector3 n = Vector3.Zero;
if (count == 1)
{
n = GetNormalQ(Vertices, Indices[i + 2], Indices[i + 0], Indices[i + 1]);
}
else
{
n = GetNormalQ(Vertices, Indices[i + 2], Indices[i + 0], Indices[i + 1], Indices[i + 5], Indices[i + 3], Indices[i + 4]);
}
Vector3 nc = n * 0.5f + Vector3.One * 0.5f;
nc.Normalize();
Color c = new Color(nc);
VertexPositionColorNormal v0 = new VertexPositionColorNormal(Vertices[Indices[i + 0]].Position, c, n);
VertexPositionColorNormal v1 = new VertexPositionColorNormal(Vertices[Indices[i + 1]].Position, c, n);
VertexPositionColorNormal v2 = new VertexPositionColorNormal(Vertices[Indices[i + 2]].Position, c, n);
new_vertices.Add(v0);
new_vertices.Add(v1);
new_vertices.Add(v2);
if (count > 1)
{
VertexPositionColorNormal v3 = new VertexPositionColorNormal(Vertices[Indices[i + 3]].Position, c, n);
VertexPositionColorNormal v4 = new VertexPositionColorNormal(Vertices[Indices[i + 4]].Position, c, n);
VertexPositionColorNormal v5 = new VertexPositionColorNormal(Vertices[Indices[i + 5]].Position, c, n);
new_vertices.Add(v3);
new_vertices.Add(v4);
new_vertices.Add(v5);
i += 3;
}
}
if (new_vertices.Count > 0)
{
VertexBuffer.SetData <VertexPositionColorNormal>(new_vertices.ToArray());
}
VertexCount = new_vertices.Count;
}
}
public void CalculateIndexes(float threshold)
{
if (!FlatShading)
{
Indices.Clear();
}
else
{
Indices = new List <int>();
}
List <int> tri_count = new List <int>();
tree.ProcessCell(Indices, tri_count, threshold);
if (!FlatShading)
{
IndexCount = Indices.Count;
if (Indices.Count == 0)
{
return;
}
for (int i = 0; i < Indices.Count; i++)
{
Indices[i] = Indices[i] & 0xFFFFFFF;
}
IndexBuffer.SetData <int>(Indices.ToArray());
}
else
{
List <VertexPositionColorNormalNormal> new_vertices = new List <VertexPositionColorNormalNormal>();
List <VertexPositionColor> wire_verts = new List <VertexPositionColor>();
List <int> wire_indexes = new List <int>();
int t_index = 0;
for (int i = 0; i < Indices.Count; i += 3)
{
int count = tri_count[t_index++];
Vector3 n = Vector3.Zero;
if (count == 1)
{
n = GetNormalQ(VerticesDN, Indices[i + 2] & 0xFFFFFFF, Indices[i + 0] & 0xFFFFFFF, Indices[i + 1] & 0xFFFFFFF);
}
else
{
n = GetNormalQ(VerticesDN, Indices[i + 2] & 0xFFFFFFF, Indices[i + 0] & 0xFFFFFFF, Indices[i + 1] & 0xFFFFFFF, Indices[i + 5] & 0xFFFFFFF, Indices[i + 3] & 0xFFFFFFF, Indices[i + 4] & 0xFFFFFFF);
}
Vector3 nc = n * 0.5f + Vector3.One * 0.5f;
nc.Normalize();
Color c = new Color(nc);
VertexPositionColorNormalNormal v0 = new VertexPositionColorNormalNormal(VerticesDN[Indices[i + 0] & 0xFFFFFFF].Position, c, n, VerticesDN[Indices[i + 0] & 0xFFFFFFF].Normal);
VertexPositionColorNormalNormal v1 = new VertexPositionColorNormalNormal(VerticesDN[Indices[i + 1] & 0xFFFFFFF].Position, c, n, VerticesDN[Indices[i + 1] & 0xFFFFFFF].Normal);
VertexPositionColorNormalNormal v2 = new VertexPositionColorNormalNormal(VerticesDN[Indices[i + 2] & 0xFFFFFFF].Position, c, n, VerticesDN[Indices[i + 2] & 0xFFFFFFF].Normal);
new_vertices.Add(v0);
new_vertices.Add(v1);
new_vertices.Add(v2);
int start = wire_verts.Count;
if (count > 1)
{
VertexPositionColorNormalNormal v3 = new VertexPositionColorNormalNormal(VerticesDN[Indices[i + 3] & 0xFFFFFFF].Position, c, n, VerticesDN[Indices[i + 3] & 0xFFFFFFF].Normal);
VertexPositionColorNormalNormal v4 = new VertexPositionColorNormalNormal(VerticesDN[Indices[i + 4] & 0xFFFFFFF].Position, c, n, VerticesDN[Indices[i + 4] & 0xFFFFFFF].Normal);
VertexPositionColorNormalNormal v5 = new VertexPositionColorNormalNormal(VerticesDN[Indices[i + 5] & 0xFFFFFFF].Position, c, n, VerticesDN[Indices[i + 5] & 0xFFFFFFF].Normal);
new_vertices.Add(v3);
new_vertices.Add(v4);
new_vertices.Add(v5);
if (Indices[i] >= 0x10000000)
{
//0-2, 2-1, 1-4, 4-0
wire_verts.Add(new VertexPositionColor(VerticesDN[Indices[i + 0] & 0xFFFFFFF].Position, c));
wire_verts.Add(new VertexPositionColor(VerticesDN[Indices[i + 1] & 0xFFFFFFF].Position, c));
wire_verts.Add(new VertexPositionColor(VerticesDN[Indices[i + 2] & 0xFFFFFFF].Position, c));
wire_verts.Add(new VertexPositionColor(VerticesDN[Indices[i + 4] & 0xFFFFFFF].Position, c));
wire_indexes.Add(start + 0);
wire_indexes.Add(start + 2);
wire_indexes.Add(start + 2);
wire_indexes.Add(start + 1);
wire_indexes.Add(start + 1);
wire_indexes.Add(start + 3);
wire_indexes.Add(start + 3);
wire_indexes.Add(start + 0);
}
else
{
//0-1, 1-2, 2-5, 5-0
wire_verts.Add(new VertexPositionColor(VerticesDN[Indices[i + 0] & 0xFFFFFFF].Position, c));
wire_verts.Add(new VertexPositionColor(VerticesDN[Indices[i + 1] & 0xFFFFFFF].Position, c));
wire_verts.Add(new VertexPositionColor(VerticesDN[Indices[i + 2] & 0xFFFFFFF].Position, c));
wire_verts.Add(new VertexPositionColor(VerticesDN[Indices[i + 5] & 0xFFFFFFF].Position, c));
wire_indexes.Add(start + 0);
wire_indexes.Add(start + 1);
wire_indexes.Add(start + 1);
wire_indexes.Add(start + 2);
wire_indexes.Add(start + 2);
wire_indexes.Add(start + 3);
wire_indexes.Add(start + 3);
wire_indexes.Add(start + 0);
}
i += 3;
}
else
{
wire_verts.Add(new VertexPositionColor(VerticesDN[Indices[i + 0] & 0xFFFFFFF].Position, c));
wire_verts.Add(new VertexPositionColor(VerticesDN[Indices[i + 1] & 0xFFFFFFF].Position, c));
wire_verts.Add(new VertexPositionColor(VerticesDN[Indices[i + 2] & 0xFFFFFFF].Position, c));
wire_indexes.Add(start + 0);
wire_indexes.Add(start + 1);
wire_indexes.Add(start + 1);
wire_indexes.Add(start + 2);
wire_indexes.Add(start + 2);
wire_indexes.Add(start + 0);
}
}
if (new_vertices.Count > 0)
{
VertexBuffer.SetData <VertexPositionColorNormalNormal>(new_vertices.ToArray());
}
if (wire_verts.Count > 0)
{
WireframeBuffer.SetData <VertexPositionColor>(wire_verts.ToArray());
WireframeIndexBuffer.SetData <int>(wire_indexes.ToArray());
}
VertexCount = new_vertices.Count;
WireframeCount = wire_indexes.Count;
WireframeVertexCount = wire_verts.Count;
}
}