public FSCollisionBox setHeight(float height)
{
_height = height;
_verts = PolygonTools.createRectangle(FSConvert.displayToSim * _width / 2, FSConvert.displayToSim * _height / 2);
recreateFixture();
return(this);
}
public FSCollisionBox setSize(float width, float height)
{
_width = width;
_height = height;
_verts = PolygonTools.createRectangle(FSConvert.displayToSim * _width / 2, FSConvert.displayToSim * _height / 2);
_areVertsDirty = true;
recreateFixture();
return(this);
}
public static Fixture AttachRectangle(float width, float height, float density, Vector2 offset, Body body, object userData = null)
{
var rectangleVertices = PolygonTools.createRectangle(width / 2, height / 2);
rectangleVertices.translate(ref offset);
var rectangleShape = new PolygonShape(rectangleVertices, density);
return(body.createFixture(rectangleShape, userData));
}
public static Body createCapsule(World world, float height, float endRadius, float density, Vector2 position = new Vector2(), float rotation = 0, BodyType bodyType = BodyType.Static, object userData = null)
{
//Create the middle rectangle
var rectangle = PolygonTools.createRectangle(endRadius, height / 2);
var list = new List <Vertices>();
list.Add(rectangle);
var body = createCompoundPolygon(world, list, density, position, rotation, bodyType, userData);
//Create the two circles
FixtureFactory.attachCircle(endRadius, density, body, new Vector2(0, height / 2));
FixtureFactory.attachCircle(endRadius, density, body, new Vector2(0, -(height / 2)));
return(body);
}
/// <summary>
/// Creates the chain.
/// </summary>
/// <returns>The chain.</returns>
/// <param name="world">World.</param>
/// <param name="start">Start.</param>
/// <param name="end">End.</param>
/// <param name="linkWidth">Link width.</param>
/// <param name="linkHeight">Link height.</param>
/// <param name="numberOfLinks">Number of links.</param>
/// <param name="linkDensity">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>
/// <param name="fixStart">If set to <c>true</c> fix start.</param>
/// <param name="fixEnd">If set to <c>true</c> fix end.</param>
public static List <Body> CreateChain(World world, Vector2 start, Vector2 end, float linkWidth, float linkHeight, int numberOfLinks, float linkDensity, bool attachRopeJoint, bool fixStart = false, bool fixEnd = false)
{
Debug.Assert(numberOfLinks >= 2);
// Chain start / end
var path = new Path();
path.add(start);
path.add(end);
// A single chainlink
var shape = new PolygonShape(PolygonTools.createRectangle(linkWidth, linkHeight), linkDensity);
// Use PathManager to create all the chainlinks based on the chainlink created before.
var chainLinks = PathManager.evenlyDistributeShapesAlongPath(world, path, shape, BodyType.Dynamic, numberOfLinks);
if (fixStart)
{
// Fix the first chainlink to the world
var axle = BodyFactory.CreateCircle(world, 0.1f, 1, chainLinks[0].position);
JointFactory.CreateRevoluteJoint(world, chainLinks[0], axle, new Vector2(0, -(linkHeight / 2)), Vector2.Zero);
}
if (fixEnd)
{
// Fix the last chainlink to the world
var lastIndex = chainLinks.Count - 1;
var axle = BodyFactory.CreateCircle(world, 0.1f, 1, chainLinks[lastIndex].position);
JointFactory.CreateRevoluteJoint(world, chainLinks[lastIndex], axle, new Vector2(0, -(linkHeight / 2)), Vector2.Zero);
}
// Attach all the chainlinks together with a revolute joint
PathManager.attachBodiesWithRevoluteJoint(world, chainLinks, new Vector2(0, -linkHeight), new Vector2(0, linkHeight), false, false);
if (attachRopeJoint)
{
JointFactory.CreateRopeJoint(world, chainLinks[0], chainLinks[chainLinks.Count - 1], Vector2.Zero, Vector2.Zero);
}
return(chainLinks);
}
public static Body CreateRectangle(World world, float width, float height, float density, Vector2 position = new Vector2(), float rotation = 0, BodyType bodyType = BodyType.Static, object userData = null)
{
if (width <= 0)
{
throw new ArgumentOutOfRangeException(nameof(width), "Width must be more than 0 meters");
}
if (height <= 0)
{
throw new ArgumentOutOfRangeException(nameof(height), "Height must be more than 0 meters");
}
var newBody = CreateBody(world, position, rotation, bodyType);
newBody.userData = userData;
var rectangleVertices = PolygonTools.createRectangle(width / 2, height / 2);
var rectangleShape = new PolygonShape(rectangleVertices, density);
newBody.createFixture(rectangleShape);
return(newBody);
}
public FSCollisionBox(float width, float height)
{
_width = width;
_height = height;
_verts = PolygonTools.createRectangle(FSConvert.displayToSim * _width / 2, FSConvert.displayToSim * _height / 2);
}
public FSBoxBody(Subtexture subtexture) : base(subtexture, PolygonTools.createRectangle(subtexture.sourceRect.Width / 2, subtexture.sourceRect.Height / 2))
{
}