{

// "ball" class. Code by azntofu2000.

public class ball

{

public Vector3 distance;

public float velocity;

public float acc;

public float time;

public bool isfalling;

public bool reverse;

public float Vinit;

public bool hasBounced;

public bool finishBouncing;

private int movementVector;

public int counter;

/// <summary>

/// Starting clockwise on the 3 o'clock position with a total of 8 vectors.

/// 0 = east

/// 1 = NE

/// 2 = North

/// 3 = NW

/// 4 = W

/// 5 = SW

/// 6 = S

/// 7 = SE

/// </summary>

public int Direction

{

get { return movementVector; }

set { movementVector = value; }

}

}

// "modelMatrix" class.

public class modelMatrix

{

public Matrix worldMatrix;

public Matrix projectionMatrix;

public Matrix viewMatrix;

public Matrix setWorld

{

get { return worldMatrix; }

set { worldMatrix = value; }

}

public Matrix setProjection

{

get { return projectionMatrix; }

set { projectionMatrix = value; }

}

public Matrix setView

{

get { return viewMatrix; }

set { viewMatrix = value; }

}

}

// "ModelObject" class.

public class ModelObject

{

public Model model;

public Texture2D[] textures;

public Vector3 startPos;

public Vector3 direction;

public ball gravity;

public Matrix matrix;

public Vector3 yloc;

}

// "Drawing": This is the drawing class for the Super Smash Bros. Brawl Model Viewer application. This class is responsible for drawing and animating the model.

public class Drawing : Microsoft.Xna.Framework.Game

{

// Ball motion global variables.

public float Scale = 0.5f;

// "DrawModel()": Draws the model and textures for the model.

public void DrawModel(modelMatrix modMatrix, ModelObject theModel)

{

Matrix[] transforms = new Matrix[theModel.model.Bones.Count];

theModel.model.CopyAbsoluteBoneTransformsTo(transforms);

int j = 0;

foreach (ModelMesh mesh in theModel.model.Meshes)

{

foreach (Effect currentEffect in mesh.Effects)

{

Matrix wMatrix = transforms[mesh.ParentBone.Index] * modMatrix.worldMatrix; // Model + motion.

//Matrix wMatrix = transforms[mesh.ParentBone.Index]; // Model draw only.

currentEffect.CurrentTechnique = currentEffect.Techniques["Textured"]; // Specifies the loading of textures onto model.

currentEffect.Parameters["xWorld"].SetValue(wMatrix);

currentEffect.Parameters["xView"].SetValue(modMatrix.viewMatrix);

currentEffect.Parameters["xProjection"].SetValue(modMatrix.projectionMatrix);

currentEffect.Parameters["xEnableLighting"].SetValue(true); // Enables lighting.

currentEffect.Parameters["xLightDirection"].SetValue(new Vector3(3, -2, 5)); // Sets the direction of the light.

currentEffect.Parameters["xAmbient"].SetValue(0.5f);

currentEffect.Parameters["xTexture"].SetValue(theModel.textures[j++]); // Apply the textures.

}

mesh.Draw(); // Draws the mesh.

}

}

}

}