Opentk/Source/Examples/Shapes/Helpers/Chunk.cs

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C#
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using System;
using System.Collections.Generic;
using System.Text;
namespace Examples.Shapes
{
public class Chunk
{
public VertexT2dN3dV3d[] Vertices;
public uint[] Indices;
public uint VertexCount
{
get
{
return (uint)Vertices.Length;
}
}
public uint IndexCount
{
get
{
return (uint)Indices.Length;
}
}
public Chunk( uint vertexcount, uint indexcount )
{
Vertices = new VertexT2dN3dV3d[vertexcount];
Indices = new uint[indexcount];
}
public Chunk( ref VertexT2dN3dV3d[] vbo, ref uint[] ibo )
{
Vertices = new VertexT2dN3dV3d[vbo.Length];
for ( int i = 0; i < Vertices.Length; i++ )
{
Vertices[i] = vbo[i];
}
Indices = new uint[ibo.Length];
for ( int i = 0; i < Indices.Length; i++ )
{
Indices[i] = ibo[i];
}
}
public static void GetArray( ref List<Chunk> c, out VertexT2dN3dV3d[] vbo, out uint[] ibo )
{
uint VertexCounter = 0;
uint IndexCounter = 0;
foreach ( Chunk ch in c )
{
VertexCounter += ch.VertexCount;
IndexCounter += ch.IndexCount;
}
vbo = new VertexT2dN3dV3d[VertexCounter];
ibo = new uint[IndexCounter];
VertexCounter = 0;
IndexCounter = 0;
foreach ( Chunk ch in c )
{
for ( int i = 0; i < ch.Vertices.Length; i++ )
{
vbo[VertexCounter + i] = ch.Vertices[i];
}
for ( int i = 0; i < ch.Indices.Length; i++ )
{
ibo[IndexCounter + i] = ch.Indices[i] + VertexCounter;
}
VertexCounter += (uint)ch.VertexCount;
IndexCounter += (uint)ch.IndexCount;
}
}
}
}