protected override void LoadContent()
{
arch = Content.Load <Model>("arch");
sphere = Content.Load <Model>("sphere");
Vector2 archPosition = new Vector2(0f, -1f);
Body3D arch3D =
Body3DFactory.CreateBody3D(
arch,
world3D.World2D,
GraphicsDevice,
archPosition,
BodyType.Static,
basicEffectParams: effectParams);
world3D.AddBody3D(arch3D);
Vector2 spherePosition = new Vector2(0f, 5f);
Body3D sphere3D =
Body3DFactory.CreateBody3D(
sphere,
world3D.World2D,
GraphicsDevice,
spherePosition,
basicEffectParams: effectParams);
sphere3D.Body2D.SetRestitution(0.8f);
sphere3D.Body2D.ApplyAngularImpulse(14f);
world3D.AddBody3D(sphere3D);
}
private void AddRamp(bool typeA, Vector2 position)
{
Body3D ramp = _creator.CreateBody3D(typeA ? _rampAModel : _rampBModel, position, BodyType.Static);
ramp.Body2D.SetCollisionCategories(Category.Cat31);
Demo.World3D.AddBody3D(ramp);
}
public override void Construct()
{
Demo.Window.Title = "Friction Demo";
Demo.Camera3D.Position = new Vector3(-46.62277f, 105.9008f, 79.68979f);
Demo.Camera3D.Target = new Vector3(-46.25956f, 105.3427f, 78.94375f);
ConstructGround(23);
Body3D body3D =
Body3DFactory.CreateBody3D(
_leftBlock,
Demo.World3D.World2D,
Demo.GraphicsDevice,
new Vector2(-59.15f, 5.9f),
BodyType.Static);
body3D.Body2D.SetCollisionCategories(Category.Cat31);
Demo.World3D.AddBody3D(body3D);
body3D =
Body3DFactory.CreateBody3D(
_rightBlock,
Demo.World3D.World2D,
Demo.GraphicsDevice,
new Vector2(59.15f, 5.9f),
BodyType.Static);
body3D.Body2D.SetCollisionCategories(Category.Cat31);
Demo.World3D.AddBody3D(body3D);
ConstructRamps();
}
private void ConstructEnvironment()
{
int groundLength = 51;
ConstructGround(groundLength);
Body3D blockLeft =
Body3DFactory.CreateBody3D(
Demo.Content.Load <Model>("Models/groundBlockLongLeft"),
Demo.World3D.World2D,
Demo.GraphicsDevice,
new Vector2(-129.15f, 5.9f),
BodyType.Static);
Demo.World3D.AddBody3D(blockLeft);
Body3D blockRight =
Body3DFactory.CreateBody3D(
Demo.Content.Load <Model>("Models/groundBlockLongRight"),
Demo.World3D.World2D,
Demo.GraphicsDevice,
new Vector2(129.15f, 5.9f),
BodyType.Static);
Demo.World3D.AddBody3D(blockRight);
_backgroundWall = Demo.Content.Load <Model>("Models/Decorations/goldWall");
for (int i = -groundLength / 3; i < groundLength / 3; i++)
{
Demo.World3D.AddBackdrop3D(new Backdrop3D(_backgroundWall, new Vector3(i * 15f, 0f, -15f)));
}
}
private void CreateChassis(World world, Vector2 pivot)
{
{
PolygonShape shape = new PolygonShape(1f)
{
Vertices = PolygonTools.CreateRectangle(2.5f, 1f)
};
_body = Demo.Content.Load <Model>("Models/TheoDesign/bodyOrganic");
_chassis = world.CreateBody();
_chassis.BodyType = BodyType.Dynamic;
_chassis.Position = pivot + _position;
Fixture fixture = _chassis.CreateFixture(shape);
fixture.CollisionGroup = -1;
_mainBody3D = new Body3D(_body, _chassis);
Demo.World3D.AddBody3D(_mainBody3D);
}
{
CircleShape shape = new CircleShape(1.6f, 1f);
_engine = Demo.Content.Load <Model>("Models/TheoDesign/engineLargeTwistedEnds");
_wheel = world.CreateBody();
_wheel.BodyType = BodyType.Dynamic;
_wheel.Position = pivot + _position;
Fixture fixture = _wheel.CreateFixture(shape);
fixture.CollisionGroup = -1;
Demo.World3D.AddBody3D(new Body3D(_engine, _wheel));
}
{
_motorJoint =
new RevoluteJoint(_wheel, _chassis, _wheel.GetLocalPoint(_chassis.Position), Vector2.Zero)
{
CollideConnected = false,
MotorSpeed = _motorSpeed,
MaxMotorTorque = MAX_MOTOR_TORQUE,
MotorEnabled = true
};
world.Add(_motorJoint);
}
}
private void AddBall(float restitution, float positionZ, float positionX, Category collisionCategory)
{
Body body = new Body();
body.CreateCircle(1f, 1f);
body.SetRestitution(restitution);
body.SetCollidesWith(collisionCategory);
Body3D body3D =
Body3DFactory.CreateBody3D(_ballModel, Demo.World3D.World2D, body, new Vector2(positionX, 5f));
body3D.PositionZ = positionZ;
body3D.Body2D.ApplyLinearImpulse(Vector2.One * 10f);
body3D.Body2D.ApplyAngularImpulse(-40f);
Demo.World3D.AddBody3D(body3D);
}
/// <summary>
/// Vrátí objekt typu <see cref="Body3D"/>. Tvar pro dvourozměrnou fyzikální simulaci je dán parametrem body.
/// </summary>
/// <param name="model">Trojrozměrný model.</param>
/// <param name="world2D">Dvourozměrný svět, do kterého má být těleso zařazeno.</param>
/// <param name="body">Dvourozměrné těleso.</param>
/// <param name="position">Výchozí pozice objektu v dvourozměrném světě.</param>
/// <param name="bodyType">Typ simulovaného tělesa (statické, kinematické nebo dynamické).</param>
/// <param name="basicEffectParams">Parametry pro třídu <see cref="BasicEffect"/>.</param>
/// <returns>Objekt typu <see cref="Body3D"/>.</returns>
public static Body3D CreateBody3D(
Model model,
World world2D,
Body body,
Vector2 position = new Vector2(),
BodyType bodyType = BodyCreator.DEFAULT_BODY_TYPE,
BasicEffectParams basicEffectParams = null)
{
body.Position = position;
body.BodyType = bodyType;
world2D.Add(body);
Body3D body3D = new Body3D(model, body)
{
BasicEffectParams = basicEffectParams
};
return(body3D);
}
private void AddCube(float friction, float positionZ, float positionX, Category collisionCategory)
{
Body body = new Body();
body.CreateRectangle(2f, 2f, 1f, Vector2.Zero);
body.SetFriction(friction);
body.SetCollidesWith(collisionCategory);
Body3D body3D =
Body3DFactory.CreateBody3D(
_cubeModel,
Demo.World3D.World2D,
body,
new Vector2(positionX, 100f));
body3D.PositionZ = positionZ;
Demo.World3D.AddBody3D(body3D);
}
protected override void LoadContent()
{
ground = Content.Load <Model>("ground");
cilinder = Content.Load <Model>("cilinder");
Vector2 groundPosition = new Vector2(0f, -1f);
Body3D ground3D =
Body3DFactory.CreateBody3D(
ground, world3D.World2D, GraphicsDevice, groundPosition, BodyType.Static);
world3D.AddBody3D(ground3D);
Vector2 cilinderPosition = new Vector2(0f, 5f);
Body3D cilinder3D =
Body3DFactory.CreateBody3D(
cilinder, world3D.World2D, GraphicsDevice, cilinderPosition);
world3D.AddBody3D(cilinder3D);
}
public override void Construct()
{
Demo.Window.Title = "Restitution Demo";
Demo.Camera3D.Position = new Vector3(22.12281f, 0.4714419f, 5.708819f);
Demo.Camera3D.Target = new Vector3(21.21403f, 0.5188365f, 5.294256f);
ConstructGround();
Body3D leftBlock =
Body3DFactory.CreateBody3D(
Demo.Content.Load <Model>("Models/groundBlockLongLeft"),
Demo.World3D.World2D,
Demo.GraphicsDevice,
new Vector2(-24.15f, 5.9f),
BodyType.Static);
leftBlock.Body2D.SetCollisionCategories(Category.Cat31);
Demo.World3D.AddBody3D(leftBlock);
Body3D rightBlock =
Body3DFactory.CreateBody3D(
Demo.Content.Load <Model>("Models/groundBlockLongRight"),
Demo.World3D.World2D,
Demo.GraphicsDevice,
new Vector2(24.15f, 5.9f),
BodyType.Static);
rightBlock.Body2D.SetCollisionCategories(Category.Cat31);
Demo.World3D.AddBody3D(rightBlock);
AddBall(0.70f, -6f, -6f, Category.Cat31);
AddBall(0.75f, -4f, -4f, Category.Cat31);
AddBall(0.80f, -2f, -2f, Category.Cat31);
AddBall(0.85f, 0f, 0f, Category.Cat31);
AddBall(0.90f, 2f, 2f, Category.Cat31);
AddBall(0.95f, 4f, 4f, Category.Cat31);
AddBall(1.00f, 6f, 6f, Category.Cat31);
}
/// <summary>
/// Vrátí objekt typu <see cref="Body3D"/>. Tvar odpovídající dvourozměrné reprezentaci pro fyzikální simulaci
/// je nalezen podle ortogonální projekce zadaného trojrozměrného modelu.
/// </summary>
/// <param name="model">Trojrozměrný model.</param>
/// <param name="world2D">Dvourozměrný svět, do kterého má být těleso zařazeno.</param>
/// <param name="graphicsDevice">Grafické zařízení.</param>
/// <param name="position">Výchozí pozice objektu ve dvojrozměrném světě.</param>
/// <param name="bodyType">Typ simulovaného tělesa (statické, kinematické nebo dynamické).</param>
/// <param name="orthographicModelSize">Velikost modelu pro renderování. Pokud tento parametr není zadán,
/// vypočítá se.</param>
/// <param name="triangulationAlgorithm">Algoritmus pro rozdělení tvaru na množství menších konvexních
/// polygonů.</param>
/// <param name="basicEffectParams">Parametry pro třídu <see cref="BasicEffect"/>.</param>
/// <returns>Objekt typu <see cref="Body3D"/>.</returns>
public static Body3D CreateBody3D(
Model model,
World world2D,
GraphicsDevice graphicsDevice,
Vector2 position = new Vector2(),
BodyType bodyType = BodyCreator.DEFAULT_BODY_TYPE,
Vector2 orthographicModelSize = new Vector2(),
TriangulationAlgorithm triangulationAlgorithm = BodyCreator.DEFAULT_TRIANGULATION_ALGORITHM,
BasicEffectParams basicEffectParams = null)
{
using (Texture2D orthoRender = BitmapRenderer.RenderOrthographic(graphicsDevice, model,
BitmapRenderer.DEFAULT_BITMAP_SCALE, orthographicModelSize))
{
Body body2D = BodyCreator.CreatePolygonBody(orthoRender, world2D, position, bodyType,
1f, 0f, 1f, triangulationAlgorithm);
Body3D body3D = new Body3D(model, body2D)
{
BasicEffectParams = basicEffectParams
};
return(body3D);
}
}
public override void Construct()
{
Demo.Window.Title = "Game Scene Demo";
Demo.Camera3D.Position = new Vector3(17f, 9f, 19f);
Vector2 defaultPositionShift = new Vector2(-100f, 5f);
Demo.Camera3D.Target = new Vector3(defaultPositionShift.X, defaultPositionShift.Y, 18f);
_positionStart = Demo.Camera3D.Target;
ConstructBusStop();
ConstructBackground();
PolygonShape shape = new PolygonShape(1f)
{
Vertices = PolygonTools.CreateRoundedRectangle(25f, 6.45566f, 1.5f, 1.5f, 4)
};
_chassis3D =
Body3DFactory.CreateBody3D(
_bodyModel,
Demo.World3D.World2D,
Demo.GraphicsDevice,
defaultPositionShift,
BodyType.Dynamic,
new Vector2(25f, 6.45566f));
Demo.World3D.AddBody3D(_chassis3D);
#region Přední náprava
Vector2 frontPosition = new Vector2(6.996475f, -2.9f) + defaultPositionShift;
Vector2 axis = new Vector2(0f, 1.2f);
_frontWheels = new Body();
_frontWheels.CreateCircle(1.3163165f, 1f);
_frontWheels3D =
Body3DFactory.CreateBody3D(
_frontWheelsModel,
Demo.World3D.World2D,
_frontWheels,
frontPosition);
_springFront = new WheelJoint(_chassis3D.Body2D, _frontWheels, frontPosition, axis, true)
{
MotorSpeed = 0f,
MaxMotorTorque = 10f,
MotorEnabled = false,
Frequency = 4f,
DampingRatio = 0.7f
};
Demo.World3D.World2D.Add(_springFront);
Demo.World3D.AddBody3D(_frontWheels3D);
#endregion Přední náprava
#region Zadní náprava
Vector2 backPosition = new Vector2(-5.973385f, -2.9f) + defaultPositionShift;
_backWheels = new Body();
_backWheels.CreateCircle(1.364622f, 1f);
_backWheels3D =
Body3DFactory.CreateBody3D(
_backWheelsModel,
Demo.World3D.World2D,
_backWheels,
backPosition);
_springBack = new WheelJoint(_chassis3D.Body2D, _backWheels, backPosition, axis, true)
{
MotorSpeed = DEFAULT_MOTOR_SPEED,
MaxMotorTorque = MAX_MOTOR_TORQUE,
MotorEnabled = true,
Frequency = 4f,
DampingRatio = 0.7f
};
Demo.World3D.World2D.Add(_springBack);
Demo.World3D.AddBody3D(_backWheels3D);
#endregion Zadní náprava
#region Rampa
_ramp3D = Body3DFactory.CreateBody3D(
_rampModel,
Demo.World3D.World2D,
Demo.GraphicsDevice,
new Vector2(0f, 5f));
Demo.World3D.AddBody3D(_ramp3D);
#endregion Rampa
}
public override void Construct()
{
Demo.Window.Title = "Path Demo";
Demo.Camera3D.Position = new Vector3(16.36052f, 7.006462f, 1.119595f);
Demo.Camera3D.Target = new Vector3(15.43861f, 6.659885f, 0.9464932f);
HiddenBody = Demo.World3D.World2D.CreateBody(Vector2.Zero);
Path bridgePath = new Path();
bridgePath.Add(new Vector2(-17, 5));
bridgePath.Add(new Vector2(17, 5));
bridgePath.Closed = false;
Model plankModel = Demo.Content.Load <Model>("Models/bridge");
PolygonShape shape = new PolygonShape(PolygonTools.CreateRectangle(0.125f, 0.5f), 20f);
List <Body> bodies =
PathManager.EvenlyDistributeShapesAlongPath(Demo.World3D.World2D,
bridgePath, shape,
BodyType.Dynamic,
34);
JointFactory.CreateRevoluteJoint(
Demo.World3D.World2D,
HiddenBody,
bodies[0],
new Vector2(0f, 0.5f));
JointFactory.CreateRevoluteJoint(
Demo.World3D.World2D,
HiddenBody,
bodies[bodies.Count - 1],
new Vector2(0f, -0.5f));
PathManager.AttachBodiesWithRevoluteJoint(
Demo.World3D.World2D,
bodies,
new Vector2(0f, 0.5f),
new Vector2(0f, -0.5f),
false,
true);
foreach (Body b in bodies)
{
Demo.World3D.AddBody3D(new Body3D(plankModel, b));
}
Body body = new Body();
body.CreateCircle(1f, 1f);
body.SetRestitution(0.7f);
Body3D body3D =
Body3DFactory.CreateBody3D(
Demo.Content.Load <Model>("Models/Primitives/goldBall"),
Demo.World3D.World2D,
body,
new Vector2(8f, 8f));
Demo.World3D.AddBody3D(body3D);
body.ApplyAngularImpulse(5f);
}
