public static GearJoint CreateGearJoint(World world, Body bodyA, Body bodyB, Joint jointA, Joint jointB, float ratio)
{
GearJoint gearJoint = new GearJoint(bodyA, bodyB, jointA, jointB, ratio);
world.Add(gearJoint);
return(gearJoint);
}
private GearsTest()
{
{
// First circle
CircleShape circle1 = new CircleShape(1.0f, 5);
Body body1 = BodyFactory.CreateBody(World);
body1.BodyType = BodyType.Dynamic;
body1.Position = new Vector2(-3.0f, 12.0f);
body1.CreateFixture(circle1);
// Second circle
CircleShape circle2 = new CircleShape(2.0f, 5);
Body body2 = BodyFactory.CreateBody(World);
body2.BodyType = BodyType.Dynamic;
body2.Position = new Vector2(0.0f, 12.0f);
body2.CreateFixture(circle2);
// Rectangle
Vertices box = PolygonTools.CreateRectangle(0.5f, 5.0f);
PolygonShape polygonBox = new PolygonShape(box, 5);
Body body3 = BodyFactory.CreateBody(World);
body3.BodyType = BodyType.Dynamic;
body3.Position = new Vector2(2.5f, 12.0f);
body3.CreateFixture(polygonBox);
// Fix first circle
_joint1 = new FixedRevoluteJoint(body1, Vector2.Zero, body1.Position);
World.AddJoint(_joint1);
// Fix second circle
_joint2 = new FixedRevoluteJoint(body2, Vector2.Zero, body2.Position);
World.AddJoint(_joint2);
// Fix rectangle
_joint3 = new FixedPrismaticJoint(body3, body3.Position, new Vector2(0.0f, 1.0f));
_joint3.LowerLimit = -5.0f;
_joint3.UpperLimit = 5.0f;
_joint3.LimitEnabled = true;
World.AddJoint(_joint3);
// Attach first and second circle together with a gear joint
_joint4 = new GearJoint(_joint1, _joint2, circle2.Radius / circle1.Radius);
World.AddJoint(_joint4);
// Attach second and rectangle together with a gear joint
_joint5 = new GearJoint(_joint2, _joint3, -1.0f / circle2.Radius);
World.AddJoint(_joint5);
}
}
public override Joint createJoint()
{
var joint = new GearJoint( bodyA, bodyB, ownerJoint, otherJoint, ratio );
joint.collideConnected = collideConnected;
return joint;
}
public static GearJoint CreateGearJoint(World world, Body bodyA, Body bodyB, Joint jointA, Joint jointB, float ratio)
{
GearJoint gearJoint = new GearJoint(bodyA, bodyB, jointA, jointB, ratio);
world.AddJoint(gearJoint);
return gearJoint;
}
private GearsTest()
{
Body ground = BodyFactory.CreateEdge(World, new Vector2(50.0f, 0.0f), new Vector2(-50.0f, 0.0f));
{
CircleShape circle1 = new CircleShape(1.0f, 5f);
PolygonShape box = new PolygonShape(5f);
box.Vertices = PolygonTools.CreateRectangle(0.5f, 5.0f);
CircleShape circle2 = new CircleShape(2.0f, 5f);
Body body1 = BodyFactory.CreateBody(World, new Vector2(10.0f, 9.0f));
body1.CreateFixture(circle1);
Body body2 = BodyFactory.CreateBody(World, new Vector2(10.0f, 8.0f));
body2.BodyType = BodyType.Dynamic;
body2.CreateFixture(box);
Body body3 = BodyFactory.CreateBody(World, new Vector2(10.0f, 6.0f));
body3.BodyType = BodyType.Dynamic;
body3.CreateFixture(circle2);
RevoluteJoint joint1 = new RevoluteJoint(body2, body1, body1.Position, true);
World.AddJoint(joint1);
RevoluteJoint joint2 = new RevoluteJoint(body2, body3, body3.Position, true);
World.AddJoint(joint2);
GearJoint joint4 = new GearJoint(joint1, joint2, circle2.Radius / circle1.Radius);
joint4.BodyA = body1;
joint4.BodyB = body3;
World.AddJoint(joint4);
}
{
CircleShape circle1 = new CircleShape(1.0f, 5.0f);
CircleShape circle2 = new CircleShape(2.0f, 5.0f);
PolygonShape box = new PolygonShape(5f);
box.Vertices = PolygonTools.CreateRectangle(0.5f, 5.0f);
Body body1 = BodyFactory.CreateBody(World, new Vector2(-3.0f, 12.0f));
body1.BodyType = BodyType.Dynamic;
body1.CreateFixture(circle1);
_joint1 = new RevoluteJoint(ground, body1, body1.Position, true);
_joint1.ReferenceAngle = body1.Rotation - ground.Rotation;
World.AddJoint(_joint1);
Body body2 = BodyFactory.CreateBody(World, new Vector2(0.0f, 12.0f));
body2.BodyType = BodyType.Dynamic;
body2.CreateFixture(circle2);
_joint2 = new RevoluteJoint(ground, body2, body2.Position, true);
World.AddJoint(_joint2);
Body body3 = BodyFactory.CreateBody(World, new Vector2(2.5f, 12.0f));
body3.BodyType = BodyType.Dynamic;
body3.CreateFixture(box);
_joint3 = new PrismaticJoint(ground, body3, body3.Position, new Vector2(0.0f, 1.0f));
_joint3.LowerLimit = -5.0f;
_joint3.UpperLimit = 5.0f;
_joint3.LimitEnabled = true;
World.AddJoint(_joint3);
_joint4 = new GearJoint(_joint1, _joint2, circle2.Radius / circle1.Radius);
_joint4.BodyA = body1;
_joint4.BodyB = body2;
World.AddJoint(_joint4);
_joint5 = new GearJoint(_joint2, _joint3, -1.0f / circle2.Radius);
_joint5.BodyA = body2;
_joint5.BodyB = body3;
World.AddJoint(_joint5);
}
}
//public static FixedFrictionJoint CreateFixedFrictionJoint(World world, Body body, Vector2 bodyAnchor)
//{
// FixedFrictionJoint frictionJoint = new FixedFrictionJoint(body, bodyAnchor);
// world.AddJoint(frictionJoint);
// return frictionJoint;
//}
#endregion
#region Gear Joint
public static GearJoint CreateGearJoint(World world, FarseerJoint jointA, FarseerJoint jointB, float ratio)
{
GearJoint gearJoint = new GearJoint(jointA, jointB, ratio);
world.AddJoint(gearJoint);
return gearJoint;
}
