/// <summary>
/// Creates a defaut buffer containing position, color and texture data
/// </summary>
/// <returns>Batch buffer</returns>
public static BatchBuffer CreatePositionColorBuffer()
{
BatchBuffer buffer = new BatchBuffer();
buffer.AddDeclaration("in_position", 3);
buffer.AddDeclaration("in_color", 4);
return(buffer);
}
/// <summary>
/// Constructor
/// </summary>
public Mesh()
{
Index = new IndexBuffer();
Buffer = new BatchBuffer();
Position = new Vector3();
Rotation = new Vector3();
PrimitiveType = PrimitiveType.Triangles;
Scale = new Vector3(1.0f, 1.0f, 1.0f);
}
/// <summary>
/// Draws a user batch
/// </summary>
/// <param name="batch">Batch to draw</param>
/// <param name="mode">Drawing mode</param>
/// <param name="first">Specifies the starting index in the enabled arrays.</param>
/// <param name="count">Specifies the number of indices to be rendered.</param>
public static void DrawBatch(BatchBuffer batch, PrimitiveType mode, int first, int count)
{
// No batch, or empty batch
if (batch == null)
{
return;
}
// Bind buffer
batch.Bind();
TK.GL.DrawArrays((TK.BeginMode)mode, first, count);
Statistics.BatchCall++;
return;
}
/// <summary>
/// Binds and draws an IndexBuffer
/// </summary>
/// <param name="buffer">Buffer handle</param>
/// <param name="mode">Drawing mode</param>
/// <param name="index">Index buffer</param>
public static void DrawIndexBuffer(BatchBuffer buffer, PrimitiveType mode, IndexBuffer index)
{
if (buffer == null || index == null)
{
return;
}
// Set the index buffer
index.Bind();
// Bind shader
buffer.Bind();
// Draw
TK.GL.DrawElements((TK.BeginMode)mode, index.Count, TK.DrawElementsType.UnsignedInt, IntPtr.Zero);
Statistics.BatchCall++;
}
/// <summary>
/// Draws a batch
/// </summary>
/// <param name="batch">Batch to draw</param>
/// <param name="first">Specifies the starting index in the enabled arrays.</param>
/// <param name="count">Specifies the number of indices to be rendered.</param>
public static void DrawBatch(BatchBuffer batch, int first, int count)
{
DrawBatch(batch, PrimitiveType.Triangles, first, count);
}