public void Draw(Camera camera)
{
Matrix[] transforms = new Matrix[model.Bones.Count];
model.CopyAbsoluteBoneTransformsTo(transforms);
foreach (ModelMesh mesh in model.Meshes)
{
foreach (BasicEffect be in mesh.Effects)
{
be.EnableDefaultLighting();
be.Projection = camera.projection;
be.View = camera.view;
be.World = GetWorld() * mesh.ParentBone.Transform;
}
mesh.Draw();
}
}
public void RotateTheRacquet(Camera camera)
{
// Rotate the racquet with Q and E
if (Keyboard.GetState().IsKeyDown(Keys.Q))
{
if (currentAngle - angle > lowerBoundAngle)
{
RacquetRotation(-angle);
currentAngle -= angle;
// Rotate the swing axis
swingAxis = Vector3.Transform(swingAxis, Matrix.CreateRotationX(angle));
}
}
else if (Keyboard.GetState().IsKeyDown(Keys.E))
{
if (currentAngle + angle < upperBoundAngle)
{
RacquetRotation(angle);
currentAngle += angle;
// Rotate the swing axis
swingAxis = Vector3.Transform(swingAxis, Matrix.CreateRotationX(-angle));
}
}
if (currentAngle < 0 &&
camera.cameraPosition.Z - 0.75f * MathHelper.ToDegrees(currentAngle) > 150)
{
RacquetRotation(angle);
currentAngle += angle;
// Rotate the swing axis
swingAxis = Vector3.Transform(swingAxis, Matrix.CreateRotationX(-angle));
}
if (currentAngle > 0 &&
camera.cameraPosition.Z - 0.75f * MathHelper.ToDegrees(currentAngle) < -350)
{
RacquetRotation(-angle);
currentAngle -= angle;
// Rotate the swing axis
swingAxis = Vector3.Transform(swingAxis, Matrix.CreateRotationX(angle));
}
}
public virtual void Update(Camera camera)
{
}
public override void Update(Camera camera)
{
// Move the racquet within the walls
world.Translation = camera.getCameraPosition() + 150 * camera.getCameraDirection() + new Vector3(0, -75, 0);
if (world.Translation.Z > 155)
world.Translation = new Vector3(world.Translation.X, world.Translation.Y, 155);
if (world.Translation.Z < -355)
world.Translation = new Vector3(world.Translation.X, world.Translation.Y, -355);
swingTheRacquet();
}
public override void Update(Camera camera)
{
// Don't move or spin the ball if it's being held
if (!holdBall)
{
yawAngle = MathHelper.ToRadians(-speed.Z / 100f);
pitchAngle = MathHelper.ToRadians(-speed.Y / 100f);
rollAngle = MathHelper.ToRadians(-speed.X / 100f);
// Rotate model
rotation *= Matrix.CreateFromYawPitchRoll(
yawAngle,
pitchAngle,
rollAngle);
// Bounce off the walls, lose some speed
// Forward and back
if (world.Translation.X < -820)
{
speed.X = .8f * Math.Abs(speed.X);
soundBank.PlayCue("Bounce");
}
if (world.Translation.X > 160)
{ // off the back wall
speed.X = -Math.Abs(speed.X);
soundBank.PlayCue("Bounce");
}
if (isCollided)
{
floor -= floor * 0.005f;
isCollided = false;
}
// Up and down
if (world.Translation.Y < floor)
{
float beScaleDown = scale;
speed.Y = .8f * Math.Abs(speed.Y);
soundBank.PlayCue("Bounce");
}
if (world.Translation.Y > 450)
{
speed.Y = -.8f * Math.Abs(speed.Y);
soundBank.PlayCue("Bounce");
}
// Left and right
if (world.Translation.Z < -380)
{
speed.Z = .8f * Math.Abs(speed.Z);
soundBank.PlayCue("Bounce");
}
if (world.Translation.Z > 190)
{
speed.Z = -.8f * Math.Abs(speed.Z);
soundBank.PlayCue("Bounce");
}
// Slow down while rolling along the floor
if (Math.Abs(speed.Y) < .05f &&
world.Translation.Y < floor - 1)
{
speed.Y = 0;
if (Math.Abs(speed.Z) > 0)
speed.Z *= .95f;
if (Math.Abs(speed.Z) < .1)
speed.Z = 0;
if (Math.Abs(speed.X) > 0)
speed.X *= .95f;
if (Math.Abs(speed.X) < .1)
speed.X = 0;
}
else
// React to gravity
speed.Y -= .075f;
// Move model
world = rotation * GetWorld() * Matrix.CreateTranslation(speed);
}
else
// Move the ball with the camera
{
world.Translation = new Vector3(-(camera.getCameraPosition().X + camera.getCameraDirection().X) + 150, // toward
(camera.getCameraPosition().Y + 150 * camera.getCameraDirection().Y), // up
camera.getCameraPosition().Z + 150 * camera.getCameraDirection().Z); // left
if (world.Translation.Z > 155)
world.Translation = new Vector3(world.Translation.X, world.Translation.Y, 155);
if (world.Translation.Z < -355)
world.Translation = new Vector3(world.Translation.X, world.Translation.Y, -355);
}
}