/// <summary>
/// Alustaa uuden tankin.
/// </summary>
public Tank(double width, double height)
: base(width, height)
{
if (commonImage == null)
{
commonImage = Game.LoadImageFromResources("Tank.png");
}
if (commonShape == null)
{
commonShape = Shape.FromImage(commonImage);
}
Image = commonImage;
Shape = commonShape;
HitPoints.LowerLimit += Break;
CollisionIgnorer = new ObjectIgnorer();
LinearDamping = 0.99;
cannon = new Cannon(Width * 0.75, Height * 0.2);
Cannon.Position = new Vector(0, Height * 0.25);
Cannon.TimeBetweenUse = TimeSpan.FromSeconds(0.5);
Cannon.Ammo.Value = 100;
this.Add(Cannon);
AddedToGame += AddWheels;
}
/// <summary>
/// Alustaa uuden rypälepommin.
/// </summary>
/// <param name="radius">Säde.</param>
/// <param name="cl">Kuinka monta kertaa rypäleet hajoavat edelleen. Kuitenkin vähintään yhden kerran.</param>
public ClusterGrenade(double radius, int cl)
: base(radius)
{
Mass = 20;
CollisionIgnorer = new ObjectIgnorer();
NumberOfClusters = 3;
ClusterDirection = Angle.FromRadians(Math.PI / 2);
ClusterArc = Math.PI;
clusterlevel = cl - 1;
}
/// <summary>
/// Initializes a new instance of the <see cref="TouchablePanel"/> class.
/// </summary>
public TouchablePanel()
{
elementToBody = new Dictionary <FrameworkElement, Body>();
shouldCreateBody = new List <FrameworkElement>();
shouldRemoveBody = new List <FrameworkElement>();
contactJoints = new Dictionary <int, FixedHingeJoint>();
elementToScale = new Dictionary <FrameworkElement, ScaleState>();
ignorer = new ObjectIgnorer();
engine = new PhysicsEngine();
engine.BroadPhase = new SweepAndPruneDetector();
engine.Solver = new SequentialImpulsesSolver();
timer = new PhysicsTimer(PhysicsTimerCallback, 0.01);
Loaded += TouchablePanel_Loaded;
}
/// <summary>
/// Luo uuden fyysisen kappaleen.
/// Ei yleensä tarvetta käyttää itse (tee mieluummin PhysicsObject)
/// </summary>
/// <param name="width"></param>
/// <param name="height"></param>
/// <param name="shape"></param>
public PhysicsBody(double width, double height, Shape shape)
{
Shape = shape;
Size = new Vector(width, height);
CollisionIgnorer = new ObjectIgnorer();
}
public static DisposeCallback CreateTank(DemoOpenInfo info, Vector2D position, List <Body> result)
{
Lifespan avatarLifespan = new Lifespan();
IShape shape = ShapeFactory.CreateSprite(Cache <SurfacePolygons> .GetItem("tank.png"), 4, 18, 2);
ObjectIgnorer ignorer = new ObjectIgnorer();
Body tankBody = new Body(new PhysicsState(new ALVector2D(0, 0, 0)),
shape,
300,//new MassInfo(40, Scalar.PositiveInfinity),
new Coefficients(0, 1),
avatarLifespan);
result.Add(tankBody);
tankBody.State.Position.Linear += position;
tankBody.ApplyPosition();
tankBody.CollisionIgnorer = ignorer;
BodyGraphic graphic = CreateGraphic(tankBody);
graphic.ZOrder = 2;
info.Scene.AddGraphic(graphic);
Scalar wheelSize = 18;
Scalar wheelSpacing = -9;
Scalar lenghtPercent = .84f;
Matrix2x3 ident = Matrix2x3.Identity;
BoundingRectangle rect;
shape.CalcBoundingRectangle(ref ident, out rect);
Scalar y = (rect.Max.Y + 4);
Body lastWheel = null;
BoundingPolygon polygon = new BoundingPolygon(shape.Vertexes);
Ray ray2 = new Ray(new Vector2D(rect.Max.X, y), -Vector2D.YAxis);
Scalar y3 = y - polygon.Intersects(ray2);
Vector2D avatarBarrelOffset = new Vector2D(rect.Max.X + 10, y3);
CircleShape wheelShape = ShapeFactory.CreateColoredCircle(wheelSize, 30);
Scalar force = 0;
for (Scalar x = rect.Min.X + wheelSize; x < (rect.Max.X - wheelSize) * lenghtPercent; x += (wheelSize * 2 + wheelSpacing))
{
Ray ray = new Ray(new Vector2D(x, y), -Vector2D.YAxis);
Scalar y2 = y - polygon.Intersects(ray);
Vector2D offset = new Vector2D(x, y2);
Body wheel = new Body(
new PhysicsState(new ALVector2D(0, offset + position)),
wheelShape,
10,
new Coefficients(0, 3),// coefficients.Duplicate(),
avatarLifespan);
result.Add(wheel);
wheel.CollisionIgnorer = ignorer;
wheel.AngularDamping = .9f;
wheel.Updated += delegate(object sender, UpdatedEventArgs e)
{
wheel.State.ForceAccumulator.Angular += force;
};
info.Scene.AddGraphic(CreateGraphic(wheel));
HingeJoint joint = new HingeJoint(tankBody, wheel, offset + position, avatarLifespan);
joint.Softness = .1f;
info.Scene.Engine.AddJoint(joint);
if (lastWheel != null)
{
AngleJoint joint2 = new AngleJoint(lastWheel, wheel, avatarLifespan);
info.Scene.Engine.AddJoint(joint2);
}
lastWheel = wheel;
}
CircleShape weaponShape = ShapeFactory.CreateColoredCircle(5, 8);
//now begins the abuse of anominous delegates (BIG TIME)
EventHandler <KeyboardEventArgs> keyDownHandler = delegate(object sender, KeyboardEventArgs e)
{
switch (e.Key)
{
case Key.LeftArrow:
force = -1500000;
break;
case Key.RightArrow:
force = 1500000;
break;
case Key.Space:
Scalar velocity = 2000;
Matrix2x3 toWorld = tankBody.Matrices.ToWorld;
Matrix2x2 toWorldNormal = tankBody.Matrices.ToWorldNormal;
// Matrix2D mat = avatarBodies[0].Matrices.ToWorld;
Vector2D direction = toWorldNormal * Vector2D.XAxis;
PhysicsState state = new PhysicsState();
state.Position.Linear = toWorld * (avatarBarrelOffset);
state.Velocity.Linear = velocity * direction + tankBody.State.Velocity.Linear;
Body weapon = new Body(state,
weaponShape,
5,
new Coefficients(1, 1),
new Lifespan(10));
//weapon.CollisionIgnorer = tankBody.CollisionIgnorer;
weapon.Collided += delegate(object sender2, CollisionEventArgs e2)
{
if (!weapon.Lifetime.IsExpired)
{
weapon.Lifetime.IsExpired = true;
AddParticles(info, weapon.State.Position.Linear, weapon.State.Velocity.Linear * .5f, 50);
}
};
// weapon.Collided += weapon_Collided;
tankBody.State.Velocity.Linear -= (velocity * weapon.Mass.Mass * tankBody.Mass.MassInv) * direction;
info.Scene.AddGraphic(CreateGraphic(weapon));
break;
}
};
EventHandler <KeyboardEventArgs> keyUpHandler = delegate(object sender, KeyboardEventArgs e)
{
switch (e.Key)
{
case Key.LeftArrow:
force = 0;
break;
case Key.RightArrow:
force = 0;
break;
}
};
Events.KeyboardDown += keyDownHandler;
Events.KeyboardUp += keyUpHandler;
return(delegate()
{
Events.KeyboardDown -= keyDownHandler;
Events.KeyboardUp -= keyUpHandler;
});
}
