internal static Joint Create(JointDef def)
{
Joint joint = null;
switch (def.type)
{
case JointType.Distance:
{
joint = new DistanceJoint((DistanceJointDef)def);
}
break;
case JointType.Mouse:
{
joint = new MouseJoint((MouseJointDef)def);
}
break;
case JointType.Prismatic:
{
joint = new PrismaticJoint((PrismaticJointDef)def);
}
break;
case JointType.Revolute:
{
joint = new RevoluteJoint((RevoluteJointDef)def);
}
break;
case JointType.Pulley:
{
joint = new PulleyJoint((PulleyJointDef)def);
}
break;
case JointType.Gear:
{
joint = new GearJoint((GearJointDef)def);
}
break;
case JointType.Line:
{
joint = new LineJoint((LineJointDef)def);
}
break;
case JointType.Weld:
{
joint = new WeldJoint((WeldJointDef)def);
}
break;
case JointType.Friction:
{
joint = new FrictionJoint((FrictionJointDef)def);
}
break;
case JointType.MaxDistance:
{
joint = new MaxDistanceJoint((MaxDistanceJointDef)def);
}
break;
default:
Debug.Assert(false);
break;
}
return joint;
}
void HandleEquipment(InputState input)
{
Vector2 m = mousePos * gameContent.scale;
Point mp = new Point((int)m.X, (int)m.Y);
Equipment mouseOverEq = null;
if (mouseEq == null)
foreach (Equipment e in equipments)
{
e.isMouseOver = false;
if (mouseOverEq == null && !isMenuEntrySelected
&& (e.MoveButtonBound.Contains(mp) || e.RotationButtonBound.Contains(mp)))
{
mouseOverEq = e; e.isMouseOver = true;
}
}
if (input.IsLeftClicked() && mouseOverEq != null)
{
if (mouseOverEq.MoveButtonBound.Contains(mp) || mouseOverEq.RotationButtonBound.Contains(mp))
{
MouseJointDef mjd = new MouseJointDef();
mjd.maxForce = 500;
//mjd.frequencyHz = 10f; mjd.dampingRatio = .1f;
mjd.target = mousePos; mjd.bodyA = mouseGroundBody; mjd.bodyB = mouseOverEq.body;
mouseJoint = (MouseJoint)world.CreateJoint(mjd);
mouseEq = mouseOverEq;
mouseEq.body.SetAngularDamping(20000);
if (mouseOverEq.RotationButtonBound.Contains(mp))
{
RevoluteJointDef rjd = new RevoluteJointDef();
rjd.bodyA = mouseGroundBody; rjd.bodyB = mouseOverEq.body;
rjd.localAnchorA = mouseOverEq.body.Position; rjd.localAnchorB = Vector2.Zero;
pin = world.CreateJoint(rjd);
mouseEq.body.SetAngularDamping(20);
}
if (selectedEq != mouseOverEq)
{
if (selectedEq != null)
{
selectedEq.isSelected = false; selectedEq.SetMode(editMode, false); selectedEq = null;
}
selectedEq = mouseOverEq; selectedEq.isClamped = false; selectedEq.isSelected = true;
}
mouseEq.SetMode(editMode, true);
}
}
else if (mouseOverEq != null && input.IsRightClicked()
|| input.CurrentMouseState[0].LeftButton == ButtonState.Released)
{
if (mouseJoint != null && mouseEq != null)
{
world.DestroyJoint(mouseJoint);
mouseJoint = null;
if (pin != null) { world.DestroyJoint(pin); pin = null; }
mouseEq.SetMode(editMode, false);
mouseEq = null;
}
if (mouseOverEq != null && input.IsRightClicked())
{
selectedEq = null;
mouseOverEq.Remove(); equipments.Remove(mouseOverEq);
}
}
// Remove
if (!equipmentAdded && (input.IsLeftClicked() || input.IsRightClicked()) && mouseOverEq == null
&& mouseEq == null && selectedEq != null)
{
selectedEq.isSelected = false; selectedEq.SetMode(editMode, false); selectedEq = null;
}
equipmentAdded = false;
}
void HandleAtom(InputState input)
{
Atom mouseOverAtom = null;
foreach (Atom a in atoms)
{
if (mouseAtom == null && !isMenuEntrySelected && a.eye < EyeState.Disappear
&& a.fixture.TestPoint(mousePos))
mouseOverAtom = a;
}
// click to add atoms
if (mouseOverAtom == null && input.IsLeftClicked() && isLAB && !editMode && !isMenuEntrySelected)
atoms.Add(new Atom((Symbol)(gameContent.random.Next(gameContent.symbolCount - 1) + 1),
mousePos * gameContent.scale, gameContent, world));
if (input.IsLeftClicked())
{
if (mouseOverAtom != null)
{
MouseJointDef mjd = new MouseJointDef();
mjd.maxForce = 500;
//mjd.frequencyHz = 10;
//mjd.dampingRatio = .1f;
mjd.target = mouseOverAtom.body.Position;
mjd.bodyA = mouseGroundBody;
mjd.bodyB = mouseOverAtom.body;
mouseJoint = (MouseJoint)world.CreateJoint(mjd);
mouseAtom = mouseOverAtom;
mouseAtom.SetMode(editMode, true);
}
}
else if (mouseJoint != null && mouseAtom != null && (mouseAtom.eye == EyeState.Disappear
|| input.CurrentMouseState[0].LeftButton == ButtonState.Released))
{
if (mouseAtom.eye != EyeState.Disappear) // Disappear has priority over LeftButton Released
{
world.DestroyJoint(mouseJoint);
mouseAtom.SetMode(editMode, false);
mouseAtom.CreateBond();
}
mouseJoint = null; mouseAtom = null;
}
if (input.IsRightClicked())
{
if (mouseOverAtom != null)
{
if (mouseOverAtom.bondedAtoms.Count > 0)
{
Cue cue = gameContent.soundBank.GetCue("detach"); cue.Play();
mouseOverAtom.DestroyBonds();
}
else if (isLAB && !editMode && mouseOverAtom.bondedAtoms.Count == 0)
{
mouseOverAtom.Remove(); atoms.Remove(mouseOverAtom);
}
}
}
}
public virtual void MouseUp(Vector2 p)
{
if (_mouseJoint != null)
{
world.DestroyJoint(_mouseJoint);
_mouseJoint = null;
}
}
//#if !XBOX
public virtual void MouseDown(Vector2 p)
{
if (_mouseJoint != null)
{
return;
}
p /= V2DScreen.WorldScale;
// Make a small box.
AABB aabb;
Vector2 d = new Vector2(0.001f, 0.001f);
aabb.lowerBound = p - d;
aabb.upperBound = p + d;
Fixture _fixture = null;
// Query the world for overlapping shapes.
world.QueryAABB(
(fixtureProxy) =>
{
Body body = fixtureProxy.fixture.GetBody();
if (body.GetType() == BodyType.Dynamic)
{
bool inside = fixtureProxy.fixture.TestPoint(p);
if (inside)
{
_fixture = fixtureProxy.fixture;
// We are done, terminate the query.
return false;
}
}
// Continue the query.
return true;
}, ref aabb);
if (_fixture != null)
{
Body body = _fixture.GetBody();
MouseJointDef md = new MouseJointDef();
md.bodyA = groundBody;
md.bodyB = body;
md.target = p;
md.maxForce = 1000.0f * body.GetMass();
_mouseJoint = (MouseJoint)world.CreateJoint(md);
body.SetAwake(true);
}
}
internal static Joint Create(JointDef def)
{
Joint joint = null;
switch (def.type)
{
case JointType.Distance:
{
joint = new DistanceJoint((DistanceJointDef)def);
}
break;
case JointType.Mouse:
{
joint = new MouseJoint((MouseJointDef)def);
}
break;
case JointType.Prismatic:
{
joint = new PrismaticJoint((PrismaticJointDef)def);
}
break;
case JointType.Revolute:
{
joint = new RevoluteJoint((RevoluteJointDef)def);
}
break;
case JointType.Pulley:
{
joint = new PulleyJoint((PulleyJointDef)def);
}
break;
case JointType.Gear:
{
joint = new GearJoint((GearJointDef)def);
}
break;
case JointType.Line:
{
joint = new LineJoint((LineJointDef)def);
}
break;
case JointType.Weld:
{
joint = new WeldJoint((WeldJointDef)def);
}
break;
case JointType.Friction:
{
joint = new FrictionJoint((FrictionJointDef)def);
}
break;
case JointType.MaxDistance:
{
joint = new MaxDistanceJoint((MaxDistanceJointDef)def);
}
break;
default:
Debug.Assert(false);
break;
}
return(joint);
}