Translation and rotation on a spriteBatch

TranslateAndRotate.cs

protected SpriteSortMode _spriteSortMode;
protected BlendState _blendState;
protected SamplerState _samplerState;
protected DepthStencilState _depthStencilState;
protected RasterizerState _rasterizerState;
protected Effect _effect;
protected Matrix _transformMatrix;
protected float _rotation;
protected float _zoom;

public YourConstructor()
{
	_spriteSortMode = SpriteSortMode.Immediate;
	_blendState = BlendState.AlphaBlend;
	_samplerState = SamplerState.LinearClamp;
	_depthStencilState = DepthStencilState.None;
	_rasterizerState = RasterizerState.CullNone;
	_effect = null;
	_transformMatrix = Matrix.Identity;
	_rotation = 0.0f;
	_zoom = 1.0f;
}
 
public override void Draw(GameTime gameTime)
{
	_transformMatrix = GetTransformMatrix();
	spriteBatch.Begin(_spriteSortMode, _blendState, _samplerState, _depthStencilState, _rasterizerState, _effect, _transformMatrix);

	spriteBatch.Draw(....);
	// Et d'autres appels à spriteBatch si tu a besoin

	spriteBatch.End()
}

protected Matrix GetTransformMatrix(float rotation, float zoom)
{
	Matrix translateToOrigin = Matrix.CreateTranslation(-YnG.Width / 2, -YnG.Height / 2, 0); 
	Matrix rotation = Matrix.CreateRotationZ(MathHelper.ToRadians(_rotation)); // Rotation
	Matrix zoom = Matrix.CreateScale(_zoom); // Zoom
	Matrix translateBackToPosition = Matrix.CreateTranslation(YnG.Width / 2, YnG.Height / 2, 0); 
	Matrix composition = translateToOrigin * rotation * zoom * translateBackToPosition;

	return composition;
}