public static Path CreateChain(World world, TSVector2 start, TSVector2 end, FP linkWidth, FP linkHeight, int numberOfLinks, FP linkDensity, bool attachRopeJoint)
{
Debug.Assert(numberOfLinks >= 2);
Path path = new Path();
path.Add(start);
path.Add(end);
PolygonShape shape = new PolygonShape(PolygonTools.CreateRectangle(linkWidth, linkHeight), linkDensity);
List <Body> list = PathManager.EvenlyDistributeShapesAlongPath(world, path, shape, BodyType.Dynamic, numberOfLinks);
PathManager.AttachBodiesWithRevoluteJoint(world, list, new TSVector2(0, -linkHeight), new TSVector2(0, linkHeight), false, false);
if (attachRopeJoint)
{
JointFactory.CreateRopeJoint(world, list[0], list[list.Count - 1], TSVector2.zero, TSVector2.zero, false);
}
return(path);
}
/// <summary>
/// Creates a chain.
/// </summary>
/// <param name="world">The world.</param>
/// <param name="start">The start.</param>
/// <param name="end">The end.</param>
/// <param name="linkWidth">The width.</param>
/// <param name="linkHeight">The height.</param>
/// <param name="numberOfLinks">The number of links.</param>
/// <param name="linkDensity">The link density.</param>
/// <param name="attachRopeJoint">Creates a rope joint between start and end. This enforces the length of the rope. Said in another way: it makes the rope less bouncy.</param>
/// <returns></returns>
public static Path CreateChain(World world, TSVector2 start, TSVector2 end, FP linkWidth, FP linkHeight, int numberOfLinks, FP linkDensity, bool attachRopeJoint)
{
Debug.Assert(numberOfLinks >= 2);
//Chain start / end
Path path = new Path();
path.Add(start);
path.Add(end);
//A single chainlink
PolygonShape shape = new PolygonShape(PolygonTools.CreateRectangle(linkWidth, linkHeight), linkDensity);
//Use PathManager to create all the chainlinks based on the chainlink created before.
List <Body> chainLinks = PathManager.EvenlyDistributeShapesAlongPath(world, path, shape, BodyType.Dynamic, numberOfLinks);
//TODO
//if (fixStart)
//{
// //Fix the first chainlink to the world
// JointFactory.CreateFixedRevoluteJoint(world, chainLinks[0], new Vector2(0, -(linkHeight / 2)),
// chainLinks[0].Position);
//}
//if (fixEnd)
//{
// //Fix the last chainlink to the world
// JointFactory.CreateFixedRevoluteJoint(world, chainLinks[chainLinks.Count - 1],
// new Vector2(0, (linkHeight / 2)),
// chainLinks[chainLinks.Count - 1].Position);
//}
//Attach all the chainlinks together with a revolute joint
PathManager.AttachBodiesWithRevoluteJoint(world, chainLinks, new TSVector2(0, -linkHeight), new TSVector2(0, linkHeight), false, false);
if (attachRopeJoint)
{
JointFactory.CreateRopeJoint(world, chainLinks[0], chainLinks[chainLinks.Count - 1], TSVector2.zero, TSVector2.zero);
}
return(path);
}