private void CreatePlayerPhysicsObjects(Vector2 gameWorldPosition)
{
MainFixture = FixtureFactory.CreateRectangle(Engine.Physics.World, 0.5f, 0.5f, 1);
MainFixture.CollisionFilter.CollisionCategories = (Category)(Global.CollisionCategories.Player);
Bodies.Add(MainFixture.Body);
MainFixture.Body.Position = Engine.Physics.PositionToPhysicsWorld(gameWorldPosition);
MainFixture.Body.BodyType = BodyType.Dynamic;
MainFixture.Body.SleepingAllowed = false;
WheelFixture = FixtureFactory.CreateCircle(Engine.Physics.World, 0.3f, 1.0f);
WheelFixture.CollisionFilter.CollisionCategories = (Category)(Global.CollisionCategories.Player);
Bodies.Add(WheelFixture.Body);
WheelFixture.Body.Position = MainFixture.Body.Position + new Vector2(0.0f, 0.6f);
WheelFixture.Body.BodyType = BodyType.Dynamic;
WheelFixture.Body.SleepingAllowed = false;
WheelFixture.Friction = 0.5f;
playerFAJ = JointFactory.CreateFixedAngleJoint(Engine.Physics.World, MainFixture.Body);
playerFAJ.BodyB = WheelFixture.Body;
wheelMotorRevJoint = JointFactory.CreateRevoluteJoint(MainFixture.Body, WheelFixture.Body, Vector2.Zero);
wheelMotorRevJoint.MaxMotorTorque = 10.0f;
wheelMotorRevJoint.MotorEnabled = true;
Engine.Physics.World.AddJoint(wheelMotorRevJoint);
}
/// <summary>
/// Creates a fixed angle joint.
/// </summary>
/// <param name="world">The world.</param>
/// <param name="body">The body.</param>
/// <returns></returns>
public static FixedAngleJoint CreateFixedAngleJoint(World world, Body body)
{
FixedAngleJoint angleJoint = new FixedAngleJoint(body);
world.AddJoint(angleJoint);
return angleJoint;
}
private AngleJointTest()
{
BodyFactory.CreateEdge(World, new Vector2(-40, 0), new Vector2(40, 0));
Body fA = BodyFactory.CreateRectangle(World, 4, 4, 1, new Vector2(-5, 4));
fA.BodyType = BodyType.Dynamic;
Body fB = BodyFactory.CreateRectangle(World, 4, 4, 1, new Vector2(5, 4));
fB.BodyType = BodyType.Dynamic;
AngleJoint joint = new AngleJoint(fA, fB);
joint.TargetAngle = (float)Math.PI / 2;
World.AddJoint(joint);
Body fC = BodyFactory.CreateRectangle(World, 4, 4, 1, new Vector2(10, 4));
fC.BodyType = BodyType.Dynamic;
FixedAngleJoint fixedJoint = new FixedAngleJoint(fC);
fixedJoint.TargetAngle = (float)Math.PI / 3;
World.AddJoint(fixedJoint);
}
public override void Initialize()
{
const float width = 1f;
const float height = 0.5f;
physics.bodys = new Body[1]{new Body(physics.world)};
mainBody.BodyType = BodyType.Dynamic;
FixtureFactory.AttachRectangle(width, height, 1f, Vector2.Zero, mainBody);
FixtureFactory.AttachCircle(0.25f, 0f, mainBody, new Vector2(-0.40f, -0.1f)).Friction = 0f;
FixtureFactory.AttachCircle(0.25f, 0f, mainBody, new Vector2(0.40f, -0.1f)).Friction = 0f;
WheelL = FixtureFactory.AttachCircle(0.2f, 0f, mainBody, new Vector2(-0.4f, 0.25f));
WheelL.Friction = wheelsFriction;
WheelL.AfterCollision += WheelAfterContactHandler;
WheelL.OnCollision += WheelContactHandler;
WheelL.OnSeparation += WheelSeparateHandler;
WheelR = FixtureFactory.AttachCircle(0.2f, 0f, mainBody, new Vector2(0.4f, 0.25f));
WheelR.Friction = wheelsFriction;
WheelR.AfterCollision += WheelAfterContactHandler;
WheelR.OnCollision += WheelContactHandler;
WheelR.OnSeparation += WheelSeparateHandler;
StabilizeJoint = JointFactory.CreateFixedAngleJoint(physics.world, mainBody);
mainBody.Restitution = 0f;
mainBody.CollisionCategories = Category.Cat2;
mainBody.CollidesWith = Category.Cat1 | Category.Cat3;
base.Initialize();
}
private void Spawn(Utility.Timer timer)
{
if (nextPiece == null)
{
nextPiece = getRandomTetrisPiece();
}
currentPiece = nextPiece;
currentPieceMaxLen = Math.Max(currentPiece.shape.GetLength(0), currentPiece.shape.GetLength(1));
currentPiece.body.Position = getSpawnPosition();
currentPieceCollide = new OnCollisionEventHandler(currentPieceCollision);
currentPieceSeparate = new OnSeparationEventHandler(currentPieceSeparation);
currentPiece.body.OnCollision += currentPieceCollide;
currentPiece.body.OnSeparation += currentPieceSeparate;
currentPieceRotation = JointFactory.CreateFixedAngleJoint(_world, currentPiece.body);
pieces.Add(currentPiece);
activePieces.Add(currentPiece);
currentCheat = null;
--countdownToCheat;
if (countdownToCheat < 0)
{
currentCheat = new TetrisPiece(_world, tetrisTextures[2], tetrisShapes[2], currentPiece.body.WorldCenter + new Vector2(1, -2));
currentCheat.body.FixedRotation = true;
currentCheat.body.Rotation = (float)Math.PI / 2;
currentCheat.body.OnCollision += currentPieceCollide;
currentCheat.body.OnSeparation += currentPieceSeparate;
JointFactory.CreateRevoluteJoint(_world, currentCheat.body, currentPiece.body, currentPiece.body.LocalCenter);
pieces.Add(currentCheat);
activePieces.Add(currentCheat);
countdownToCheat = 5;
}
currentPiece.body.Enabled = true;
if(currentCheat!=null) currentCheat.body.Enabled = true;
nextPiece = getRandomTetrisPiece();
//Debug.Print("Spawn new tetris piece at: {0}, {1}", currentPiece.body.Position.X, currentPiece.body.Position.Y);
}
private void dropCurrentPiece()
{
if (currentPiece != null)
{
if (isCurrentPieceBlocked())
{
currentPiece.body.Position = getSpawnPosition();
}
else
{
currentPiece.body.LinearVelocity = Vector2.Zero;
currentPiece.body.ResetDynamics();
currentPiece.body.OnCollision -= currentPieceCollide;
currentPiece.body.OnSeparation -= currentPieceSeparate;
if (currentCheat != null)
{
currentCheat.body.OnCollision -= currentPieceCollide;
currentCheat.body.OnSeparation -= currentPieceSeparate;
}
if (currentPieceRotation != null)
{
_world.RemoveJoint(currentPieceRotation);
currentPieceRotation = null;
}
currentPiece = null;
currentPieceCollide = null;
currentCheat = null;
Game1.Timers.Create(SPAWN_TIME, false, Spawn);
}
}
}
protected override void SetUpPhysics(World world, Vector2 position, float width, float height, float mass)
{
//Create a fixture with a body almost the size of the entire object
//but with the bottom part cut off.
float upperBodyHeight = height - (width / 2);
//fixture = FixtureFactory.AttachRectangle((float)ConvertUnits.ToSimUnits(width), (float)ConvertUnits.ToSimUnits(upperBodyHeight), mass / 2, Vector2.Zero, body); //CreateRectangle(world, (float)ConvertUnits.ToSimUnits(width), (float)ConvertUnits.ToSimUnits(upperBodyHeight), mass / 2);
body = BodyFactory.CreateRectangle(world, (float)ConvertUnits.ToSimUnits(width), (float)ConvertUnits.ToSimUnits(upperBodyHeight), mass / 2); //fixture.Body;
body.BodyType = BodyType.Dynamic;
body.Restitution = 0.0f;
body.Friction = 0.5f;
//also shift it up a tiny bit to keey the new object's center correct
body.Position = ConvertUnits.ToSimUnits(position - (Vector2.UnitY * (width / 4)));
centerOffset = position.Y - (float)ConvertUnits.ToDisplayUnits(body.Position.Y); //remember the offset from the center for drawing
//fixture = FixtureFactory.AttachRectangle((float)ConvertUnits.ToSimUnits(width), (float)ConvertUnits.ToSimUnits(upperBodyHeight), mass / 2, Vector2.Zero, body);
//Now let's make sure our upperbody is always facing up.
fixedAngleJoint = JointFactory.CreateFixedAngleJoint(world, body);
//Create a wheel as wide as the whole object
//wheel = FixtureFactory.AttachCircle((float)ConvertUnits.ToSimUnits(width / 2), mass / 2, body); //CreateCircle(world, (float)ConvertUnits.ToSimUnits(width / 2), mass / 2);
wheel = BodyFactory.CreateCircle(world, (float)ConvertUnits.ToSimUnits(width / 2), mass / 2);
//And position its center at the bottom of the upper body
wheel.Position = body.Position + ConvertUnits.ToSimUnits(Vector2.UnitY * (upperBodyHeight / 2));
wheel.BodyType = BodyType.Dynamic;
wheel.Restitution = 0.0f;
wheel.Friction = 0.5f;
//These two bodies together are width wide and height high :)
//So lets connect them together
motor = JointFactory.CreateRevoluteJoint(world, body, wheel, Vector2.Zero);
motor.MotorEnabled = true;
motor.MaxMotorTorque = 4f; //set this higher for some more juice
motor.MotorSpeed = 0;
//Make sure the two fixtures don't collide with each other
wheel.IgnoreCollisionWith(body);
body.IgnoreCollisionWith(wheel);
//Set the friction of the wheel to float.MaxValue for fast stopping/starting
//or set it higher to make the character slip.
//wheel.Friction = float.MaxValue;
wheel.Friction = 9f;
}
public override void OnInit()
{
//Najpierw komponenty fizyczne, by dało się pobrać prawidłowy atrybut prędkości.
var pObj = new PhysicalObject(true);
var bBox = new BoundingBox(new OpenTK.Vector2(this.Description.Width, this.Description.Height), 10f);
this.Components.Add(pObj);
this.Components.Add(bBox);
this.Health_ = this.Attributes.GetOrCreate<int>("Health");
this.Position_ = this.Attributes.GetOrCreate<Vector2>("Position");
this.Health = (int)this.Description.Health;
//Ustawiamy właściwości ciała tak, by poruszało się po naszej myśli
pObj.Body.Mass = 10;
pObj.Body.LinearDamping = 0.2f;
//pObj.Body.FixedRotation = true;
pObj.Body.UserData = this;
//Ustawiamy maskę kolizji tak by kolidowało tylko z innymi graczami
pObj.Body.SetCollisionCategories((Category)((int)Category.Cat1 << (int)this.Owner.Type));
//Koliduje ze wszystkim z wyłączeniem jednostek tego samego gracza i zasobami.
pObj.Body.SetCollidesWith(Category.All & ~pObj.Body.GetCollisionCategories() &
~Category.Cat10 & ~((Category)((int)Category.Cat11 << (int)this.Owner.Type)));
//Ustawianie stałego konta jednostek
this.FixedAngle = new FixedAngleJoint(pObj.Body);
this.FixedAngle.BiasFactor = 0.08f;
ClashEngine.NET.PhysicsManager.Instance.World.AddJoint(this.FixedAngle);
var velMult = this.Attributes.GetOrCreate<float>("VelocityMultiplier");
//I zdarzenia kolizji pomiędzy jednostkami
pObj.Body.SetCollisionEvent((fixtureA, fixtureB, contact) =>
{
if (fixtureB.Body.UserData is IUnit && this.CollisionWithUnit != null)
{
this.CollisionWithUnit(this, fixtureB.Body.UserData as IUnit);
return false;
}
else if (fixtureB.Body.UserData is IPlayerEntity && this.CollisionWithPlayer != null)
{
this.CollisionWithPlayer(this, (fixtureB.Body.UserData as IPlayerEntity).Player);
}
else if (fixtureB.Body.UserData is IResourceOnMap && this.CollisionWithResource != null)
{
//Taka iteracja zapobiega zbieraniu już zebranych zasobów
var delegates = this.CollisionWithResource.GetInvocationList();
foreach (CollisionWithResourceEventHandler d in delegates)
{
if (d(this, fixtureB.Body.UserData as IResourceOnMap))
{
(fixtureB.Body.UserData as IResourceOnMap).Gather();
break;
}
}
}
else if (fixtureB.Body.UserData is IMap) //Ustawiamy kąt nachylenia dla postaci
{
if (fixtureA.UserData == null ||
(velMult.Value >= 0.0 && (int)fixtureA.UserData < (int)fixtureB.UserData) ||
(velMult.Value < 0.0 && (int)fixtureA.UserData > (int)fixtureB.UserData))
{
FarseerPhysics.Common.FixedArray2<Microsoft.Xna.Framework.Vector2> points;
Microsoft.Xna.Framework.Vector2 normal;
contact.GetWorldManifold(out normal, out points);
var dot = Microsoft.Xna.Framework.Vector2.Dot(new Microsoft.Xna.Framework.Vector2(0, -1), normal);
var angle = (float)Math.Acos(dot) * Math.Sign(normal.X);
this.FixedAngle.TargetAngle = (float)angle;
fixtureA.UserData = fixtureB.UserData;
}
}
return true;
});
foreach (var component in this.Description.Components)
{
this.Components.Add(component.Create());
}
}
public void InitializePhysics(World world)
{
Body body = new Body(world);
Vertices verts = new Vertices();
verts.Add(new Vector2(ConvertUnits.ToSimUnits(Bounds.X), ConvertUnits.ToSimUnits(Bounds.Y + Bounds.Height / 4f)));
verts.Add(new Vector2(ConvertUnits.ToSimUnits(Bounds.X + Bounds.Width/2f), ConvertUnits.ToSimUnits(Bounds.Y+Bounds.Height/4f)));
verts.Add(new Vector2(ConvertUnits.ToSimUnits(Bounds.X + Bounds.Width/2f), ConvertUnits.ToSimUnits(Bounds.Y + Bounds.Height- Bounds.Height / 4f)));
verts.Add(new Vector2(ConvertUnits.ToSimUnits(Bounds.X), ConvertUnits.ToSimUnits(Bounds.Y + Bounds.Height- Bounds.Height/4f)));
body.CreateFixture(new PolygonShape(verts, 1));
Bodies = new List<Body>();
body.BodyType = BodyType.Dynamic;
body.Mass = Settings.PLAYERMASS;
body.Friction = 0.3f;
Bodies = new List<Body>();
Bodies.Add(body);
AngJoint = JointFactory.CreateFixedAngleJoint(world, body);
AngJoint.CollideConnected = false;
AngJoint.Softness = 0f;
AngJoint.TargetAngle = 0f;
}
public JointComponent(FixedAngleJoint joint)
{
m_Joint = joint;
}
/// <summary>
/// Attached body and wheel together to make a character
/// </summary>
/// <param name="world">The world that the character is being added to</param>
/// <param name="position">The position in the world that the character is being added to</param>
/// <param name="mass">The mass of the character</param>
protected override void SetUpPhysics(World world, Vector2 position, float mass)
{
float upperBodyHeight = size.Y - (size.X / 2);
// Create upper body
body = BodyFactory.CreateRectangle(world, (float)size.X, (float)upperBodyHeight, mass / 2);
body.BodyType = BodyType.Dynamic;
body.Restitution = 0.1f;
body.Friction = 0.5f;
body.Position = ConvertUnits.ToSimUnits(position) - (Vector2.UnitY * (size.X / 4));
centerOffset = position.Y - (float)ConvertUnits.ToDisplayUnits(body.Position.Y);
fixedAngleJoint = JointFactory.CreateFixedAngleJoint(world, body);
// Create lower body
wheel = BodyFactory.CreateCircle(world, (float)size.X / 2, mass / 2);
wheel.Position = body.Position + (Vector2.UnitY * (upperBodyHeight / 2));
wheel.BodyType = BodyType.Dynamic;
wheel.Restitution = 0.1f;
// Connecting bodies
motor = JointFactory.CreateRevoluteJoint(world, body, wheel, Vector2.Zero);
motor.MotorEnabled = true;
motor.MaxMotorTorque = 1000f;
motor.MotorSpeed = 0;
wheel.IgnoreCollisionWith(body);
body.IgnoreCollisionWith(wheel);
wheel.Friction = float.MaxValue;
}
private void initializeJoints()
{
fRevoluteJoint = JointFactory.CreateFixedRevoluteJoint(scene.World, Body, Body.LocalCenter, Body.Position);
fRevoluteJoint.MaxMotorTorque = 20f;
fRevoluteJoint.MotorSpeed = 0f;
fRevoluteJoint.MotorTorque = 10f;
fRevoluteJoint.MotorEnabled = false;
fAngleJoint = JointFactory.CreateFixedAngleJoint(scene.World, Body);
fAngleJoint.TargetAngle = 0f;
fAngleJoint.MaxImpulse = 5f;
fAngleJoint.BiasFactor = 2f;
fAngleJoint.Softness = .72f;
}
public static Joint CopyJoint(Joint joint, Body bodyA, Body bodyB, World world)
{
Joint newJoint = null;
switch (joint.JointType)
{
case JointType.Angle:
newJoint = JointFactory.CreateAngleJoint(world, bodyA, bodyB);
break;
case JointType.Distance:
newJoint = new DistanceJoint(bodyA, bodyB, bodyA.WorldCenter, bodyB.WorldCenter);
break;
case JointType.FixedAngle:
newJoint = new FixedAngleJoint(bodyA);
break;
case JointType.FixedDistance:
newJoint = new FixedDistanceJoint(bodyA, bodyA.WorldCenter, Vector2.Zero);
break;
case JointType.FixedFriction:
newJoint = new FixedFrictionJoint(bodyA, bodyA.WorldCenter);
break;
case JointType.FixedPrismatic:
var fpJoint = joint as FixedPrismaticJoint;
var fpAxis = fpJoint.LocalXAxis1;
newJoint = new FixedPrismaticJoint(bodyA, bodyA.WorldCenter, fpAxis);
break;
case JointType.FixedRevolute:
newJoint = new FixedRevoluteJoint(bodyA, bodyA.WorldCenter, Vector2.Zero);
break;
case JointType.Friction:
newJoint = new FrictionJoint(bodyA, bodyB, bodyA.WorldCenter, bodyB.WorldCenter);
break;
case JointType.Line:
var lineJoint = joint as LineJoint;
var axis = lineJoint.LocalXAxis;
newJoint = new LineJoint(bodyA, bodyB, bodyA.WorldCenter, axis);
break;
case JointType.Prismatic:
var pJoint = joint as PrismaticJoint;
var pAxis = pJoint.LocalXAxis1;
newJoint = new PrismaticJoint(bodyA, bodyB, bodyA.WorldCenter, bodyB.WorldCenter, pAxis);
((PrismaticJoint)newJoint).LimitEnabled = pJoint.LimitEnabled;
((PrismaticJoint)newJoint).MotorEnabled = pJoint.MotorEnabled;
((PrismaticJoint)newJoint).MaxMotorForce = pJoint.MaxMotorForce;
((PrismaticJoint)newJoint).MotorSpeed = pJoint.MotorSpeed;
((PrismaticJoint)newJoint).LowerLimit = pJoint.LowerLimit;
((PrismaticJoint)newJoint).UpperLimit = pJoint.UpperLimit;
((PrismaticJoint)newJoint).ReferenceAngle = pJoint.ReferenceAngle;
((PrismaticJoint)newJoint).LocalXAxis1 = pJoint.LocalXAxis1;
break;
case JointType.Pulley:
var pulleyJoint = joint as PulleyJoint;
var ratio = pulleyJoint.Ratio;
newJoint = new PulleyJoint(bodyA, bodyB, Vector2.Zero, Vector2.Zero, bodyA.WorldCenter, bodyB.WorldCenter, ratio);
break;
case JointType.Revolute:
newJoint = new RevoluteJoint(bodyA, bodyB, bodyA.WorldCenter, bodyB.WorldCenter);
break;
case JointType.Slider:
var sliderJoint = joint as SliderJoint;
var minLength = sliderJoint.MinLength;
var maxLength = sliderJoint.MaxLength;
newJoint = new SliderJoint(bodyA, bodyB, bodyA.WorldCenter, bodyB.WorldCenter, minLength, maxLength);
break;
case JointType.Weld:
newJoint = new WeldJoint(bodyA, bodyB, bodyA.WorldCenter, bodyB.WorldCenter);
break;
}
var data = new FarseerJointUserData();
data.BodyAName = ((FarseerJointUserData) joint.UserData).BodyAName;
data.BodyBName = ((FarseerJointUserData) joint.UserData).BodyBName;
joint.UserData = data;
return newJoint;
}
