Exemplo n.º 1
0
 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>();
 }
Exemplo n.º 2
0
        /* 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;
        }