Axiom.Overlays.Elements.TextArea.UpdateColors C# (CSharp) Method

		protected unsafe void UpdateColors()
		{
			// convert to API specific color values
			int topColor = Root.Instance.ConvertColor( colorTop );
			int bottomColor = Root.Instance.ConvertColor( colorBottom );

			// get the seperate color buffer
			HardwareVertexBuffer buffer =
				renderOperation.vertexData.vertexBufferBinding.GetBuffer( COLOR_BINDING );

			IntPtr data = buffer.Lock( BufferLocking.Discard );
			int* colPtr = (int*)data.ToPointer();
			int index = 0;

			for ( int i = 0; i < allocSize; i++ )
			{
				// first tri (top, bottom, top);
				colPtr[ index++ ] = topColor;
				colPtr[ index++ ] = bottomColor;
				colPtr[ index++ ] = topColor;

				// second tri (top, bottom, bottom);
				colPtr[ index++ ] = topColor;
				colPtr[ index++ ] = bottomColor;
				colPtr[ index++ ] = bottomColor;
			}

			// unlock this bad boy
			buffer.Unlock();
		}