/// <summary>
/// Gets the vertex and index buffer for drawing sprites.
/// </summary>
private static void GetBuffers(GraphicsDevice graphics, out VertexBuffer vertexBuffer, out IndexBuffer indexBuffer)
{
KeyValuePair <VertexBuffer, IndexBuffer> sharedBuffer;
if (SharedBuffers == null)
{
SharedBuffers = new Dictionary <GraphicsDevice, KeyValuePair <VertexBuffer, IndexBuffer> >();
}
if (!SharedBuffers.TryGetValue(graphics, out sharedBuffer))
{
sharedBuffer = new KeyValuePair <VertexBuffer, IndexBuffer>(
new VertexBuffer(graphics, typeof(VertexPositionTexture), 4, BufferUsage.WriteOnly)
, new IndexBuffer(graphics, IndexElementSize.SixteenBits, 6, BufferUsage.WriteOnly));
sharedBuffer.Key.SetData(new[]
{
new VertexPositionTexture()
{
Position = new Vector3(-1, 1, 0), TextureCoordinate = new Vector2(0, 0)
},
new VertexPositionTexture()
{
Position = new Vector3(1, 1, 0), TextureCoordinate = new Vector2(1, 0)
},
new VertexPositionTexture()
{
Position = new Vector3(1, -1, 0), TextureCoordinate = new Vector2(1, 1)
},
new VertexPositionTexture()
{
Position = new Vector3(-1, -1, 0), TextureCoordinate = new Vector2(0, 1)
},
});
sharedBuffer.Value.SetData <ushort>(new ushort[] { 0, 1, 2, 0, 2, 3 });
SharedBuffers.Add(graphics, sharedBuffer);
}
vertexBuffer = sharedBuffer.Key;
indexBuffer = sharedBuffer.Value;
}
/// <summary>
/// Gets the vertex and index buffer for drawing sprites.
/// </summary>
private static void GetBuffers(GraphicsDevice graphics, out DynamicVertexBuffer vertexBuffer, out IndexBuffer indexBuffer)
{
KeyValuePair <DynamicVertexBuffer, IndexBuffer> sharedBuffer;
if (SharedBuffers == null)
{
SharedBuffers = new Dictionary <GraphicsDevice, KeyValuePair <DynamicVertexBuffer, IndexBuffer> >();
}
if (!SharedBuffers.TryGetValue(graphics, out sharedBuffer))
{
sharedBuffer = new KeyValuePair <DynamicVertexBuffer, IndexBuffer>(
new DynamicVertexBuffer(graphics, typeof(VertexPositionColorTexture), 4, BufferUsage.WriteOnly)
, new IndexBuffer(graphics, IndexElementSize.SixteenBits, 6, BufferUsage.WriteOnly));
sharedBuffer.Value.SetData <ushort>(new ushort[] { 0, 1, 2, 0, 2, 3 });
SharedBuffers.Add(graphics, sharedBuffer);
}
vertexBuffer = sharedBuffer.Key;
indexBuffer = sharedBuffer.Value;
}
