public RadiationSmoke(GameContent gameContent, Atom atom)
{
this.gameContent = gameContent;
this.atom = atom;
for (int i = 0; i < MaxParticle; i++)
particlePos[i] = MaxParticlePos / (MaxParticle - 1) * i;
}
public Bond(Atom atom, Atom other, Joint shortJoint, Joint midJoint,
int numberOfBonds, GameContent gameContent)
{
this.numberOfBonds = numberOfBonds;
this.atom = atom;
this.other = other;
this.shortJoint = shortJoint;
this.midJoint = midJoint;
this.gameContent = gameContent;
Vector2 localAnchor;
if (atom.body == shortJoint.GetBodyA())
{
localAnchor = atom.body.GetLocalPoint(shortJoint.GetAnchorA());
midJoint.SetUserData(this);
}
else
localAnchor = atom.body.GetLocalPoint(shortJoint.GetAnchorB());
float angle = (float)Math.Atan2(localAnchor.Y, localAnchor.X);
if (angle < 0) angle = 2 * (float)Math.PI + angle;
jointAngle = finalJointAngle = angle;
}
void GetNearestBody()
{
nearestAtom = null; numberOfBonds = 0;
if (eye >= EyeState.Sleep) return;
float nearestDist = (bondLength * 1.2f) / gameContent.b2Scale;
for (Body b = world.GetBodyList(); b != null; b = b.GetNext())
{
object userData = b.GetUserData();
if (userData is Atom && b != body && !bondedAtoms.Contains((Atom)userData)
&& ((Atom)userData).bondsLeft > 0 && bondsLeft > 0)
{
float d = Vector2.Distance(body.Position, b.Position);
if (d < nearestDist)
{
nearestAtom = (Atom)userData;
nearestDist = d;
numberOfBonds = Math.Min(bondsLeft, nearestAtom.bondsLeft);
numberOfBonds = Math.Min(3, numberOfBonds);
}
}
}
}
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);
}
}
}
}