To build the player's rover, perform the following steps:
1. Add a new class file called
Rover.csto theMars Runnerproject.2. Add the following
usingdirectives to the top of theRoverclass file:using Microsoft.Xna.Framework; using Microsoft.Xna.Framework.Graphics;
3. Modify the declaration of the
Roverclass to inherit fromGameEntity. The new class declaration should read as follows:class Rover : GameEntity
4. Add a constructor for the
Roverclass as follows:#region Constructor public Rover(GraphicsDevice device, Model model, Vector3 position) : base(device, model, position) { scale = 0.015f; yaw = MathHelper.ToRadians(90); currentTransforms["canon_geo"] = Matrix.CreateRotationX(MathHelper.ToRadians(-90)) * baseTransforms["canon_geo"]; } #endregion5. In the
MarsRunnerPlayScreenclass, add a new field to hold an instance of theRoverclass as follows:Rover rover;
6. In the
LoadContent()method of theMarsRunnerPlayScreen...