public IndexBufferPtr GetIndex()
{
using (var buffer = new OneIndexBuffer <uint>(DrawMode.Triangles, BufferUsage.StaticDraw))
{
buffer.Alloc(this.index.Length);
unsafe
{
uint *array = (uint *)buffer.FirstElement();
for (int i = 0; i < this.index.Length; i++)
{
array[i] = this.index[i];
}
}
return(buffer.GetBufferPtr() as IndexBufferPtr);
}
}
public IndexBufferPtr GetIndex()
{
using (var indexBuffer = new OneIndexBuffer <uint>(DrawMode.TriangleStrip, BufferUsage.StaticDraw))
{
indexBuffer.Alloc(indexes.Length);
unsafe
{
uint *indexArray = (uint *)indexBuffer.FirstElement();
for (int i = 0; i < indexes.Length; i++)
{
indexArray[i] = indexes[i];
}
}
return(indexBuffer.GetBufferPtr() as IndexBufferPtr);
}
}
public IndexBufferPtr GetIndex()
{
using (var buffer = new OneIndexBuffer <uint>(
DrawMode.LineStrip, BufferUsage.StaticDraw))
{
buffer.Alloc(model.Indexes.Length);
unsafe
{
var array = (uint *)buffer.FirstElement();
for (int i = 0; i < model.Indexes.Length; i++)
{
array[i] = model.Indexes[i];
}
}
return(buffer.GetBufferPtr() as IndexBufferPtr);
}
}
public IndexBufferPtr GetIndexBufferRenderer()
{
using (var buffer = new OneIndexBuffer <uint>(DrawMode.Triangles, BufferUsage.StaticDraw))
{
buffer.Alloc(faces.Count * 3);
unsafe
{
uint *array = (uint *)buffer.FirstElement();
for (int i = 0; i < faces.Count; i++)
{
//TODO: 用ushort类型的IndexBuffer就会引发系统错误，为什么？
//array[i * 3 + 0] = (ushort)(faces[i].Item1 - 1);
//array[i * 3 + 1] = (ushort)(faces[i].Item2 - 1);
//array[i * 3 + 2] = (ushort)(faces[i].Item3 - 1);
array[i * 3 + 0] = (uint)(faces[i].Item1 - 1);
array[i * 3 + 1] = (uint)(faces[i].Item2 - 1);
array[i * 3 + 2] = (uint)(faces[i].Item3 - 1);
}
}
return(buffer.GetBufferPtr() as IndexBufferPointerBase);
}
}