/// <summary>
/// Creates a rope.
/// </summary>
/// <param name="start">The start.</param>
/// <param name="end">The end.</param>
/// <param name="width">The width.</param>
/// <param name="height">The height.</param>
/// <param name="mass">The mass.</param>
/// <param name="pinStart">if set to <c>true</c> [pin start].</param>
/// <param name="pinEnd">if set to <c>true</c> [pin end].</param>
/// <param name="type">The joint/spring type.</param>
/// <returns></returns>
public Path CreateRope(Vector2 start, Vector2 end, float width, float height, float mass, bool pinStart,
bool pinEnd, LinkType type)
{
Path path = new Path(width, height, mass, false); // create the path
path.Add(start); // add starting point
path.Add(Path.FindMidpoint(start, end));
// add midpoint of line (must have this because my code needs at least 3 control points)
path.Add(end); // add end point
path.Update(); // call update to create all the bodies
path.LinkBodies(type, Min, Max, SpringConstant, DampingConstant, SpringRestLengthFactor); // link bodies together
if (pinStart)
path.Add(JointFactory.Instance.CreateFixedRevoluteJoint(path.Bodies[0], start));
if (pinEnd)
path.Add(JointFactory.Instance.CreateFixedRevoluteJoint(path.Bodies[path.Bodies.Count - 1],
path.ControlPoints[2]));
foreach (Joint j in path.Joints) // ropes need a little give ;)
{
j.BiasFactor = 0.01f;
j.Softness = 0.05f;
}
return (path);
}
/// <summary>
/// Creates a track.
/// </summary>
/// <param name="points">The points.</param>
/// <param name="width">The width.</param>
/// <param name="height">The height.</param>
/// <param name="mass">The mass.</param>
/// <param name="endless">if set to <c>true</c> [endless].</param>
/// <param name="collisionGroup">Collision group for the chain.</param>
/// <param name="type">The joint/spring type.</param>
/// <returns></returns>
public Path CreateTrack(Vertices points, float width, float height, float mass, bool endless, int collisionGroup, LinkType type)
{
Path path = new Path(width, height, mass, endless); // create the path
foreach (Vector2 v in points)
path.Add(v); // add all the points to the path
path.Update(); // update the path
Geom geom;
for (int i = 0; i < path.Bodies.Count; i++)
{
geom = GeomFactory.Instance.CreateRectangleGeom(path.Bodies[i], width, height);
geom.CollisionGroup = collisionGroup;
path.Add(geom); // add a geom to the chain
}
path.LinkBodies(type, Min, Max, SpringConstant, DampingConstant); // link bodies together
return path;
}
/// <summary>
/// Creates a rope.
/// </summary>
/// <param name="start">The start.</param>
/// <param name="end">The end.</param>
/// <param name="width">The width.</param>
/// <param name="height">The height.</param>
/// <param name="mass">The mass.</param>
/// <param name="pinStart">if set to <c>true</c> [pin start].</param>
/// <param name="pinEnd">if set to <c>true</c> [pin end].</param>
/// <param name="collisionGroup">Collision group for the chain.</param>
/// <param name="type">The joint/spring type.</param>
/// <returns></returns>
public Path CreateRope(Vector2 start, Vector2 end, float width, float height, float mass, bool pinStart,
bool pinEnd, int collisionGroup, LinkType type)
{
Path path = new Path(width, height, mass, false); // create the path
path.Add(start); // add starting point
path.Add(Path.FindMidpoint(start, end));
// add midpoint of line (must have this because my code needs at least 3 control points)
path.Add(end); // add end point
path.Update(); // call update to create all the bodies
Geom geom;
for (int i = 0; i < path.Bodies.Count; i++)
{
geom = GeomFactory.Instance.CreateRectangleGeom(path.Bodies[i], width, height);
geom.collisionGroup = collisionGroup;
path.Add(geom); // add a geom to the chain
}
path.LinkBodies(type, Min, Max, SpringConstant, DampingConstant); // link bodies together
if (pinStart)
path.Add(JointFactory.Instance.CreateFixedRevoluteJoint(path.Bodies[0], start));
if (pinEnd)
path.Add(JointFactory.Instance.CreateFixedRevoluteJoint(path.Bodies[path.Bodies.Count - 1],
path.ControlPoints[2]));
foreach (Joint j in path.Joints) // ropes need a little give ;)
{
j.BiasFactor = 0.01f;
j.Softness = 0.05f;
}
return (path);
}