private void Initialize(Vector2 bodySize, Vector2 bodyPosition, float density, World world, Color bodyColor, Color jointColor)
{
Body = BodyFactory.CreateBody(world, bodyPosition);
Body.BodyType = BodyType.Dynamic;
BodyFixture = FixtureFactory.CreateRectangle(bodySize.X, bodySize.Y, density, Vector2.Zero, Body);
BodyFixture.UserData = this;
BodySize = bodySize;
BodyColor = bodyColor;
JointColor = jointColor;
World = world;
Density = density;
Joint = null;
PartActuator = null;
PartMotionSystem = MotionSystem.Actuator;
CollidingSides = new bool[4];
for (int i = 0; i < 4; i++)
CollidingSides[i] = false;
Collisions = new List<Collision>();
ChildParts = new List<FParte>();
}
/* VERSIONE OBSOLETA DA AGGIORNARE
/// <summary>
/// Posiziona la parte vicino a quella a cui deve unirsi e crea il giunto.
/// </summary>
/// <param name="otherPart">Altra parte a cui unire questa</param>
/// <param name="thisPartPosition">Posizione del centro del giunto rispetto al baricentro di questa parte</param>
/// <param name="otherPartPosition">Posizione del centro del giunto rispetto al baricentro dell'altra parte</param>
/// <param name="jointColor">Colore del giunto</param>
/// <returns>false se thisPartPosizion è all'interno della parte, true altrimenti</returns>
public bool Join(FParte otherPart, Vector2 thisPartPosition, Vector2 otherPartPosition, Color jointColor)
{
Body.Position = Utils.TranslateAndRotate((otherPartPosition - thisPartPosition), otherPart.Body.Position, otherPart.Body.Rotation);
Body.Rotation = otherPart.Body.Rotation;
Joint = JointFactory.CreateRevoluteJoint(World, otherPart.Body, this.Body, thisPartPosition);
JointOffset = new Vector2(thisPartPosition.X, thisPartPosition.Y);
Joint.MotorEnabled = true;
Joint.MaxMotorTorque = Const.MaxMotorTorquePerAreaUnit * this.BodySize.X * this.BodySize.Y;
//determina la dimensione del giunto in base alla posizione rispetto al centro del corpo e alla dimensione del corpo stesso
if ((thisPartPosition.X > BodySize.X / 2) && (Math.Abs(thisPartPosition.Y) <= BodySize.Y / 2))
{
JointRadius = thisPartPosition.X - BodySize.X / 2;
ConnectionSide = Side.Right;
}
else if ((thisPartPosition.X < -BodySize.X / 2) && (Math.Abs(thisPartPosition.Y) <= BodySize.Y / 2))
{
JointRadius = -thisPartPosition.X - BodySize.X / 2;
ConnectionSide = Side.Left;
}
else if ((thisPartPosition.Y > BodySize.Y / 2) && (Math.Abs(thisPartPosition.X) <= BodySize.X / 2))
{
JointRadius = thisPartPosition.Y - BodySize.Y / 2;
ConnectionSide = Side.Bottom;
}
else if ((thisPartPosition.Y < -BodySize.Y / 2) && (Math.Abs(thisPartPosition.X) <= BodySize.X / 2))
{
JointRadius = -thisPartPosition.Y - BodySize.Y / 2;
ConnectionSide = Side.Top;
}
else
return false;
JointFixture = FixtureFactory.CreateCircle(JointRadius, Density, Body, JointOffset);
if(JointColor != null)
JointColor = jointColor;
Joint.CollideConnected = true; //abilita la collisione dei due body connessi dal giunto
PartActuator = new Actuator(this, otherPart, Const.MaxForcePerAreaUnit * BodyArea);
return true;
}
*/
/// <summary>
/// Posiziona la parte vicino a quella a cui deve unirsi e crea il giunto.
/// </summary>
/// <param name="otherPart">Altra parte a cui unire questa</param>
/// <param name="thisPartSidePosition">Posizione del punto di contatto del giunto con il bordo di questa parte rispetto al centro di questa parte</param>
/// <param name="otherPartSidePosition">Posizione del punto di contatto del giunto con il bordo dell'altra parte rispetto al centro dell'altra parte</param>
/// <param name="jointColor">Colore del giunto</param>
/// <param name="jointRadius">Raggio del giunto</param>
/// <returns>false se thisPartSidePosition non è sul bordo della parte, true altrimenti</returns>
public bool Join(FParte otherPart, Vector2 thisPartSidePosition, Vector2 otherPartSidePosition, Color jointColor, float jointRadius)
{
Vector2 jointOffset;
if (thisPartSidePosition.X == -(BodySize.X / 2))
{
jointOffset = new Vector2(-jointRadius * 2, 0);
ConnectionSide = Side.Left;
}
else if (thisPartSidePosition.X == (BodySize.X / 2))
{
jointOffset = new Vector2(jointRadius * 2, 0);
ConnectionSide = Side.Right;
}
else if (thisPartSidePosition.Y == -(BodySize.Y / 2))
{
jointOffset = new Vector2(0, -jointRadius * 2);
ConnectionSide = Side.Top;
}
else if (thisPartSidePosition.Y == (BodySize.Y / 2))
{
jointOffset = new Vector2(0, jointRadius * 2);
ConnectionSide = Side.Bottom;
}
else
return false;
Body.Position = Utils.TranslateAndRotate(otherPartSidePosition - thisPartSidePosition - jointOffset, otherPart.Body.Position, otherPart.Body.Rotation);
Body.Rotation = otherPart.Body.Rotation;
if (Joint != null)
World.RemoveJoint(Joint);
Joint = JointFactory.CreateRevoluteJoint(World, otherPart.Body, this.Body, thisPartSidePosition + jointOffset/2);
Joint.MotorEnabled = true;
Joint.MaxMotorTorque = Const.MaxMotorTorquePerAreaUnit * this.BodySize.X * this.BodySize.Y;
JointRadius = jointRadius;
JointFixture = FixtureFactory.CreateCircle(JointRadius, Density, Body, thisPartSidePosition + jointOffset/2);
if (JointColor != null)
JointColor = jointColor;
JointOffset = thisPartSidePosition + jointOffset / 2;
Joint.CollideConnected = true;
PartActuator = new Actuator(this, otherPart, Const.MaxForcePerAreaUnit * BodyArea);
otherPart.AddChild(this);
return true;
}