The questions are:
1. How to control the camera?
2. How to you combine two effects, without have them overwrite?
Writing Game Code Initializing, Updating, and Exiting a Game Displaying Graphics Responding to User Input Creating and Playing Sounds Displaying Pictures and Playing Video Reading and Writing Data Files Adding Xbox LIVE Features to Your Game Adding Xbox LIVE Multiplayer Support on Xbox 360 and Windows
Displaying Graphics Rendering 2D with Sprites and Text Rendering 3D with Effects "What Is" Articles for Sprites and Effects
Rendering 3D with Effects 3D Pipeline Basics Creating a Basic Effect Using a Basic Effect with Texturing Rendering a Model with a Basic Effect Creating a Custom Effect Creating a Custom Effect with Texturing Drawing a Sprite Over a Model Enabling Antialiasing (Multisampling) Creating a Render Target Creating a State Object Creating a Custom Vertex Declaration Drawing 3D Primitives using Lists or Strips Dynamically Updating Vertices Displaying Multiple Screens with Viewports Creating a SkySphere Creating a Depth Texture Transformations and Collision Testing
Positioning the Camera Transforming a Point Rotating and Moving the Camera Moving the Camera on a Curve Selecting an Object with a Mouse (Windows) Bounding Volumes and Collisions Testing for Collisions
Introduction to XNA Game Studio 4.0 Getting Started with XNA Game Studio Development Writing Game Code Adding Art, Music, and Other Game Assets Packing and Distributing Your Game Advanced Topics XNA Framework Class Library Reference Content Pipeline Class Library Reference XNA Creators Club Online Web Site Copyright Notice
Microsoft.Xna.Framework Microsoft.Xna.Framework.Audio Microsoft.Xna.Framework.Content Microsoft.Xna.Framework.Design Microsoft.Xna.Framework.GamerServices Microsoft.Xna.Framework.Graphics Microsoft.Xna.Framework.Graphics.PackedVector Microsoft.Xna.Framework.Input Microsoft.Xna.Framework.Input.Touch Microsoft.Xna.Framework.Media Microsoft.Xna.Framework.Net Microsoft.Xna.Framework.Storage