public CSharpGL.VertexBuffer GetVertexAttributeBuffer(string bufferName, string varNameInShader)
{
if ((bufferName == position))
{
if ((this.positionBuffer == null))
{
int length = this.pointCount;
VertexBuffer buffer = VertexBuffer.Create(typeof(vec3), length, VBOConfig.Vec3, varNameInShader, BufferUsage.StaticDraw);
unsafe
{
var random = new Random();
IntPtr pointer = buffer.MapBuffer(MapBufferAccess.WriteOnly);
var array = (vec3*)pointer;
for (int i = 0; i < this.pointCount; i++)
{
array[i] = (new vec3((float)random.NextDouble(), (float)random.NextDouble(), (float)random.NextDouble()) - new vec3(0.5f, 0.5f, 0.5f)) * this.Lengths;
}
buffer.UnmapBuffer();
}
this.positionBuffer = buffer;
}
return positionBuffer;
}
else
{
throw new System.ArgumentException("bufferName");
}
}
public CSharpGL.VertexBuffer GetVertexAttributeBuffer(string bufferName, string varNameInShader)
{
if ((bufferName == position))
{
if ((this.positionBuffer == null))
{
//int length = this.pointPositions.Count;
//VertexBuffer buffer = VertexBuffer.Create(typeof(vec3), length, VBOConfig.Vec3, varNameInShader, BufferUsage.StaticDraw);
//unsafe
//{
// IntPtr pointer = buffer.MapBuffer(MapBufferAccess.WriteOnly);
// var array = (vec3*)pointer;
// for (int i = 0; i < this.pointPositions.Count; i++)
// {
// array[i] = this.pointPositions[i];
// }
// buffer.UnmapBuffer();
//}
//this.positionBuffer = buffer;
this.positionBuffer = this.pointPositions.ToArray().GenVertexBuffer(VBOConfig.Vec3, varNameInShader, BufferUsage.StaticDraw);
}
return this.positionBuffer;
}
throw new System.ArgumentException("bufferName");
}