public static DisposeCallback RegisterMousePicking(DemoOpenInfo info, MouseButton button)
{
FixedHingeJoint joint = null;
EventHandler<ViewportMouseButtonEventArgs> mouseDown = delegate(object sender, ViewportMouseButtonEventArgs e)
{
if (e.Button == button)
{
IntersectionInfo temp;
Body body = null;
foreach (Body b in info.Scene.Engine.Bodies)
{
Vector2D bodyVertex = b.Matrices.ToBody * e.Position;
if (b.Shape.CanGetIntersection &&
!b.IsBroadPhaseOnly &&
!b.IgnoresPhysicsLogics &&
b.Shape.TryGetIntersection(bodyVertex, out temp))
{
body = b;
break;
}
}
if (body != null)
{
joint = new FixedHingeJoint(body, e.Position, new Lifespan());
info.Scene.Engine.AddJoint(joint);
}
}
};
EventHandler<ViewportMouseMotionEventArgs> mouseMotion = delegate(object sender, ViewportMouseMotionEventArgs e)
{
if (joint != null)
{
joint.Anchor = e.Position;
}
};
EventHandler<ViewportMouseButtonEventArgs> mouseUp = delegate(object sender, ViewportMouseButtonEventArgs e)
{
if (e.Button == button)
{
if (joint != null)
{
joint.Lifetime.IsExpired = true;
joint = null;
}
}
};
info.Viewport.MouseDown += mouseDown;
info.Viewport.MouseUp += mouseUp;
info.Viewport.MouseMotion += mouseMotion;
return delegate()
{
info.Viewport.MouseDown -= mouseDown;
info.Viewport.MouseUp -= mouseUp;
info.Viewport.MouseMotion -= mouseMotion;
};
}
void Events_MouseButtonUp(object sender, SdlDotNet.Input.MouseButtonEventArgs e)
{
if (e.Button == SdlDotNet.Input.MouseButton.SecondaryButton)
{
sparkle = false;
}
else if (e.Button == SdlDotNet.Input.MouseButton.PrimaryButton)
{
if (cursorJoint != null)
{
cursorJoint.Lifetime.IsExpired = true;
cursorJoint = null;
}
}
}
void OnGotContactCapture(object sender, ContactEventArgs e)
{
FrameworkElement element = (FrameworkElement)e.Source;
FrameworkElement container = ItemsControl.ContainerFromElement(null, element) as FrameworkElement;
if (container != null)
element = container;
Body body;
if (elementToBody.TryGetValue(element, out body))
{
Point position = e.GetPosition(this);
Vector2D contactPoint = position.ToVector2D();
if (body.Shape.CanGetIntersection)
{
Vector2D temp = body.Matrices.ToBody * contactPoint;
IntersectionInfo intersectionInfo;
if (body.Shape.TryGetIntersection(temp, out intersectionInfo))
{
FixedHingeJoint joint = new FixedHingeJoint(body, contactPoint, new Lifespan());
joint.Softness = 0.3;
engine.AddJoint(joint);
contactJoints[e.Contact.Id] = joint;
}
}
}
SetZTop(element);
}
void DemoS()
{
BeginDemoChange();
Reset();
AddGravityField();
AddFloor(new ALVector2D(0, new Vector2D(700, 750)));
Sprite blockSprite = GetSprite("fighter.png");
Vector2D[][] vertexes = blockSprite.Polygons;
MultiPolygonShape shape = new MultiPolygonShape(vertexes, 4);
shape.Tag = blockSprite;
for (int i = 128 * 3; i > -128; i -= 128)
{
Body b = AddShape(shape, 40, new ALVector2D(0, new Vector2D(600, 272 + i)));
}
Body lever = AddRectangle(20, 100, 9, new ALVector2D(0, 275, 300));
FixedAngleJoint joint1 = new FixedAngleJoint(lever, new Lifespan());
FixedHingeJoint joint2 = new FixedHingeJoint(lever, new Vector2D(200, 300), new Lifespan());
joint1.Softness = .95f;
engine.AddJointRange(new Joint[] { joint1, joint2 });
lever = AddRectangle(20, 100, 9, new ALVector2D(0, 385, 300));
joint1 = new FixedAngleJoint(lever, new Lifespan());
joint2 = new FixedHingeJoint(lever, new Vector2D(460, 300), new Lifespan());
joint1.Softness = .95f;
engine.AddJointRange(new Joint[] { joint1, joint2 });
Body ball = AddShape(new CircleShape(80, 20), 4000, new ALVector2D(0, new Vector2D(1028, 272)));
ball.Transformation *= Matrix2x3.FromScale(new Vector2D(1, .8f));
EndDemoChange();
/* BeginDemoChange();
Reset(false);
AddGravityField();
engine.AddLogic(new GlobalFluidLogic(.45f, .02f, Vector2D.Zero, new Lifespan()));
BoundingRectangle rect = this.clippersShape.Rectangle;
rect.Min.X -= 75;
rect.Min.Y -= 75;
rect.Max.X += 75;
rect.Max.Y += 75;
AddShell(rect, 100, Scalar.PositiveInfinity).ForEach(delegate(Body b) { b.IgnoresGravity = true; });
Sprite blockSprite = GetSprite("fighter.png");
Vector2D[][] vertexes = blockSprite.Polygons;
MultipartPolygon shape = new MultipartPolygon(vertexes, 4);
shape.Tag = blockSprite;
AddShape(shape, 40, new ALVector2D(0, new Vector2D(200, 300)));
AddShape(shape, 40, new ALVector2D(0, new Vector2D(500, 300)));
AddRectangle(50, 50, 50, new ALVector2D(0, 600, 600));
AddRectangle(50, 50, 500, new ALVector2D(0, 600, 450));
AddCircle(10, 9, 5, new ALVector2D(0, 600, 600));
AddCircle(10, 9, 50, new ALVector2D(0, 500, 600));
AddCircle(10, 9, 500, new ALVector2D(0, 400, 600));
AddCircle(10, 9, 5000, new ALVector2D(0, 300, 600));
EndDemoChange();*/
}
void Events_MouseButtonDown(object sender, SdlDotNet.Input.MouseButtonEventArgs e)
{
if (e.Button == SdlDotNet.Input.MouseButton.PrimaryButton)
{
Vector2D point = new Vector2D(e.X, e.Y);
IntersectionInfo info;
foreach (Body b in engine.Bodies)
{
if (b.IsCollidable && !b.IsBroadPhaseOnly &&
b.Shape.CanGetIntersection)
{
Vector2D temp = b.Matrices.ToBody * point;
if (b.Shape.TryGetIntersection(temp, out info))
{
//cursorJoint = new PivotJoint(b, b.State.Position.Linear, new Lifespan());
cursorJoint = new FixedHingeJoint(b, point, new Lifespan());
cursorJoint.Softness = .01f;
engine.AddJoint(cursorJoint);
break;
}
}
}
}
else if (e.Button == SdlDotNet.Input.MouseButton.SecondaryButton)
{
sparkPoint = new Vector2D(e.X, e.Y);
sparkle = true;
}
else if ((e.Button == SdlDotNet.Input.MouseButton.MiddleButton))
{
bombTarget = new Vector2D(e.X, e.Y);
bomb.Lifetime.IsExpired = true;
}
}
public static FixedHingeJoint FixedHingeJointFactory(Body body, Vector2D anchor, Lifespan lifetime)
{
FixedHingeJoint joint = new FixedHingeJoint(body, anchor, lifetime);
joint.Softness = TangramInformation.Softness;
joint.BiasFactor = TangramInformation.BiasFactor - 0.1f;
return joint;
}
public void OnNewContact(IntPtr windowHandle, Multitouch.Contracts.IContact contact)
{
Window window = GetWindow(windowHandle);
if (window != null)
{
window.Contacts.Add(new WindowContact(contact));
Body body;
if (windowToBody.TryGetValue(window, out body))
{
NativeMethods.POINT point = new NativeMethods.POINT((int)contact.X, (int)contact.Y);
Vector2D contactPoint = point.ToVector2D();
if (body.Shape.CanGetIntersection)
{
Vector2D temp = body.Matrices.ToBody * contactPoint;
IntersectionInfo intersectionInfo;
if (body.Shape.TryGetIntersection(temp, out intersectionInfo))
{
FixedHingeJoint joint = new FixedHingeJoint(body, contactPoint, new Lifespan());
engine.AddJoint(joint);
contactJoints[contact.Id] = joint;
}
}
}
}
}
void OnContactRemoved(object sender, ContactEventArgs e)
{
if (e.Contact.Id == firstContactId)
{
scrollJoint.Lifetime.IsExpired = true;
scrollJoint = null;
firstContactId = null;
}
}
void OnNewContact(object sender, NewContactEventArgs e)
{
if (!firstContactId.HasValue)
{
firstContactId = e.Contact.Id;
startPoint = e.GetPosition(this);
startOffset.X = HorizontalOffset;
startOffset.Y = VerticalOffset;
Vector2D contactPoint = startPoint.ToVector2D();
scrollJoint = new FixedHingeJoint(Body, contactPoint, new Lifespan());
engine.AddJoint(scrollJoint);
}
}
private void Restart()
{
engine.Clear();
bullets.Clear();
enemies.Clear();
player = new Player();
player.Position = new Vector2(400, 525);
engine.AddBody(player.Body);
player.Body.ApplyImpulse(new Vector2D(0, 10));
beam = new Beam(this, 395, 480);
engine.AddBody(beam.Body);
FixedHingeJoint fixedHingeJoint = new FixedHingeJoint(beam.Body, new Vector2D(395, 480), new Lifespan());
engine.AddJoint(fixedHingeJoint);
waves = new bool[] { false, false, false, false, false, false };
gameOver = false;
youWin = false;
enemyTimer = DateTime.Now;
}
