public void Draw()
{
if (state == DrawStates.None)
{
return;
}
if ((state & DrawStates.Vertex) == DrawStates.Vertex)
{
VertexBuffer.Bind(BufferTarget.ArrayBuffer);
VertexBuffer.UseVertexPointer(vertexSize, VertexStride, VertexOffset);
}
if ((state & DrawStates.TexCoord) == DrawStates.TexCoord)
{
TexCoordBuffer.Bind(BufferTarget.ArrayBuffer);
TexCoordBuffer.UseTexCoordPointer(texCoordSize, TexCoordStride, TexCoordOffset);
}
if ((state & DrawStates.Normal) == DrawStates.Normal)
{
NormalBuffer.Bind(BufferTarget.ArrayBuffer);
NormalBuffer.UseNormalPointer(NormalStride, NormalOffset);
}
//TODO this needs to become static/part of some graphics context class.
GL.BindBuffer(BufferTarget.ArrayBuffer, 0);
IndexBuffer.Bind(BufferTarget.ElementArrayBuffer);
GL.DrawElements(DrawMode, IndexBuffer.Length, (DrawElementsType)IndexBuffer.DataType, 0);
IndexBuffer.Unbind(BufferTarget.ElementArrayBuffer);
}
public void Update(float[] vertices, uint[] indexes, float[] colors, float[] normals, float[] lighting, int vertexCount)
{
Bind();
ElementBuffer.Bind();
ElementBuffer.SetData(sizeof(uint) * indexes.Length, indexes);
VertexBuffer.Bind();
VertexBuffer.SetData(sizeof(float) * vertices.Length, vertices);
ColorBuffer.Bind();
ColorBuffer.SetData(sizeof(float) * colors.Length, colors);
NormalBuffer.Bind();
NormalBuffer.SetData(sizeof(float) * normals.Length, normals);
LightingBuffer.Bind();
LightingBuffer.SetData(sizeof(float) * lighting.Length, lighting);
VertexCount = vertexCount;
Unbind();
}