public SpriteBatch(GraphicsDevice graphicsDevice)
{
GraphicsDevice = graphicsDevice ?? throw new ArgumentNullException(nameof(graphicsDevice));
vertexInfo = new VertexPositionColorTexture4[MaxSprites];
textureInfo = new Texture2D[MaxSprites];
spriteInfos = new SpriteInfo[MaxSprites];
sortedSpriteInfos = new IntPtr[MaxSprites];
_vertexBuffer = GraphicsDevice.CreateVertexBuffer(typeof(VertexPositionColorTexture),
MaxVertices,
BufferUsage.WriteOnly,
true);
_indexBuffer = GraphicsDevice.CreateIndexBuffer(IndexElementSize.SixteenBits,
MaxIndices,
BufferUsage.WriteOnly,
false);
_indexBuffer.SetData(indexData);
//_spriteEffect = new SpriteEffect(graphicsDevice);
//_spriteMatrixTransform = _spriteEffect.Parameters["MatrixTransform"].values;
//_spriteEffectPass = _spriteEffect.CurrentTechnique.Passes[0];
_beginCalled = false;
_numSprites = 0;
}
public void PushSprite(VertexPositionColorTexture4 vertexPositionColorTexture, Texture2D texture)
{
_vertexPreBuffer[_numSprites] = vertexPositionColorTexture;
_textureBuffer[_numSprites] = texture;
_numSprites++;
}