public void WithEntityId()
{
var entityManager = IoCManager.Resolve <IEntityManager>();
var mapManager = IoCManager.Resolve <IMapManager>();
var mapId = mapManager.CreateMap();
var mapEnt = mapManager.GetMapEntity(mapId);
var grid = mapManager.CreateGrid(mapId);
var gridEnt = entityManager.GetEntity(grid.GridEntityId);
var newEnt = entityManager.CreateEntityUninitialized("dummy", new EntityCoordinates(grid.GridEntityId, Vector2.Zero));
Assert.That(newEnt.Transform.Coordinates.WithEntityId(mapEnt).Position, Is.EqualTo(Vector2.Zero));
newEnt.Transform.LocalPosition = Vector2.One;
Assert.That(newEnt.Transform.Coordinates.Position, Is.EqualTo(Vector2.One));
Assert.That(newEnt.Transform.Coordinates.WithEntityId(mapEnt).Position, Is.EqualTo(Vector2.One));
gridEnt.Transform.LocalPosition = Vector2.One;
Assert.That(newEnt.Transform.Coordinates.Position, Is.EqualTo(Vector2.One));
Assert.That(newEnt.Transform.Coordinates.WithEntityId(mapEnt).Position, Is.EqualTo(new Vector2(2, 2)));
var newEntTwo = entityManager.CreateEntityUninitialized("dummy", new EntityCoordinates(newEnt.Uid, Vector2.Zero));
Assert.That(newEntTwo.Transform.Coordinates.Position, Is.EqualTo(Vector2.Zero));
Assert.That(newEntTwo.Transform.Coordinates.WithEntityId(mapEnt).Position, Is.EqualTo(newEnt.Transform.Coordinates.WithEntityId(mapEnt).Position));
Assert.That(newEntTwo.Transform.Coordinates.WithEntityId(gridEnt).Position, Is.EqualTo(newEnt.Transform.Coordinates.Position));
newEntTwo.Transform.LocalPosition = -Vector2.One;
Assert.That(newEntTwo.Transform.Coordinates.Position, Is.EqualTo(-Vector2.One));
Assert.That(newEntTwo.Transform.Coordinates.WithEntityId(mapEnt).Position, Is.EqualTo(Vector2.One));
Assert.That(newEntTwo.Transform.Coordinates.WithEntityId(gridEnt).Position, Is.EqualTo(Vector2.Zero));
}
public void CircleCircle_SamePos()
{
var circle = new Circle(new Vector2(0, 0), 0.5f);
CollisionSolver.CalculateCollisionFeatures(in circle, in circle, 1, out var results);
Assert.That(results.Collided, Is.EqualTo(false));
}
public void CircleCircle_NotCollide()
{
var a = new Circle(new Vector2(0, 0), 0.5f);
var b = new Circle(new Vector2(1, 1), 0.5f);
CollisionSolver.CalculateCollisionFeatures(in a, in b, 1, out var results);
Assert.That(results.Collided, Is.EqualTo(false));
}
public void ClosestPoint()
{
var obb = new OrientedRectangle(Vector2.One, Vector2.One * 0.5f, MathF.PI / 2);
var worldPoint = new Vector2(13, -13);
var closestPoint = obb.ClosestPointWorld(worldPoint);
Assert.That(closestPoint, Is.Approximately(new Vector2(1.5f, 0.5f)));
}
public void TransformPoint()
{
var obb = new OrientedRectangle(Vector2.One, Vector2.Zero, MathF.PI / 2);
var worldPoint = new Vector2(2, 0);
var localPoint = obb.TransformPoint(worldPoint);
Assert.That(localPoint, Is.Approximately(new Vector2(1, 3)));
}
public void RectCircle_NotCollide()
{
var a = new OrientedRectangle(Vector2.Zero, Vector2.One * 0.5f, MathF.PI / 4);
var b = new Circle(new Vector2(1, 1), 0.5f);
CollisionSolver.CalculateCollisionFeatures(in a, in b, 1, out var results);
Assert.That(results.Collided, Is.EqualTo(false));
}
public void EntityCoordinates_Map()
{
var mapManager = IoCManager.Resolve <IMapManager>();
var mapId = mapManager.CreateMap();
var mapEntity = mapManager.CreateNewMapEntity(mapId);
Assert.That(mapEntity.Transform.ParentUid.IsValid(), Is.False);
Assert.That(mapEntity.Transform.Coordinates.EntityId, Is.EqualTo(mapEntity.Uid));
}
public void TransformPointRoundTrip()
{
var obb = new OrientedRectangle(new Vector2(3, 5), Vector2.Zero, MathF.PI / 4);
var worldPoint = new Vector2(11, 13);
var localPoint = obb.InverseTransformPoint(worldPoint);
var result = obb.TransformPoint(localPoint);
Assert.That(result, Is.EqualTo(worldPoint));
}
public void NoParent_OffsetZero()
{
var mapManager = IoCManager.Resolve <IMapManager>();
var mapId = mapManager.CreateMap();
var mapEntity = mapManager.CreateNewMapEntity(mapId);
Assert.That(mapEntity.Transform.Coordinates.Position, Is.EqualTo(Vector2.Zero));
mapEntity.Transform.LocalPosition = Vector2.One;
Assert.That(mapEntity.Transform.Coordinates.Position, Is.EqualTo(Vector2.Zero));
}
public void GetMapId_Map()
{
var entityManager = IoCManager.Resolve <IEntityManager>();
var mapManager = IoCManager.Resolve <IMapManager>();
var mapId = mapManager.CreateMap();
var mapEnt = mapManager.CreateNewMapEntity(mapId);
var newEnt = entityManager.CreateEntityUninitialized("dummy", new MapCoordinates(Vector2.Zero, mapId));
Assert.That(mapEnt.Transform.Coordinates.GetMapId(entityManager), Is.EqualTo(mapId));
Assert.That(newEnt.Transform.Coordinates.GetMapId(entityManager), Is.EqualTo(mapId));
}
public void GetMapId_Grid()
{
var entityManager = IoCManager.Resolve <IEntityManager>();
var mapManager = IoCManager.Resolve <IMapManager>();
var mapId = mapManager.CreateMap();
var grid = mapManager.CreateGrid(mapId);
var gridEnt = entityManager.GetEntity(grid.GridEntityId);
var newEnt = entityManager.CreateEntityUninitialized("dummy", new EntityCoordinates(grid.GridEntityId, Vector2.Zero));
Assert.That(gridEnt.Transform.Coordinates.GetMapId(entityManager), Is.EqualTo(mapId));
Assert.That(newEnt.Transform.Coordinates.GetMapId(entityManager), Is.EqualTo(mapId));
}
public void BoxBox_Collide()
{
var a = new AlignedRectangle(new Vector2(1, 0), new Vector2(0.5f, 0.5f));
var b = new AlignedRectangle(new Vector2(0.25f, 0.15f), new Vector2(0.5f, 0.5f));
CollisionSolver.CalculateCollisionFeatures(in a, in b, 1, out var results);
Assert.That(results.Collided, Is.True);
Assert.That(results.Normal, Is.EqualTo(new Vector2(-1, 0)));
Assert.That(results.Penetration, Is.EqualTo(0.25f / 2));
Assert.That(results.Contacts, Is.Not.Null);
Assert.That(results.Contacts.Length, Is.EqualTo(1));
Assert.That(results.Contacts[0], Is.EqualTo(new Vector2(0.5f, 0.15f)));
}
public void RectCircle_Collide()
{
var a = new OrientedRectangle(Vector2.Zero, new Vector2(3, 1), MathF.PI / 2);
var b = new Circle(new Vector2(1.5f, 0), 1f);
CollisionSolver.CalculateCollisionFeatures(in a, in b, 1, out var results);
Assert.AreEqual(true, results.Collided);
Assert.That(results.Normal, Is.Approximately(Vector2.UnitX));
Assert.AreEqual(0.5f / 2, results.Penetration);
Assert.IsNotNull(results.Contacts);
Assert.AreEqual(1, results.Contacts.Length);
Assert.That(results.Contacts[0], Is.Approximately(new Vector2(0.75f, 0)));
}
public void CircleCircle_Collide()
{
var a = new Circle(new Vector2(0, 0), 1f);
var b = new Circle(new Vector2(1.5f, 0), 1f);
CollisionSolver.CalculateCollisionFeatures(in a, in b, 1, out var results);
Assert.That(results.Collided);
Assert.That(results.Normal, Is.EqualTo(Vector2.UnitX));
Assert.That(results.Penetration, Is.EqualTo(0.5f / 2));
Assert.That(results.Contacts, Is.Not.Null);
Assert.That(results.Contacts.Length, Is.EqualTo(1));
Assert.That(results.Contacts[0], Is.EqualTo(new Vector2(0.75f, 0)));
}
public void ToMap_MoveGrid(float x1, float y1, float x2, float y2)
{
var gridPos = new Vector2(x1, y1);
var entPos = new Vector2(x2, y2);
var entityManager = IoCManager.Resolve <IEntityManager>();
var mapManager = IoCManager.Resolve <IMapManager>();
var mapId = mapManager.CreateMap();
var grid = mapManager.CreateGrid(mapId);
var gridEnt = entityManager.GetEntity(grid.GridEntityId);
var newEnt = entityManager.CreateEntityUninitialized("dummy", new EntityCoordinates(grid.GridEntityId, entPos));
Assert.That(newEnt.Transform.Coordinates.ToMap(entityManager), Is.EqualTo(new MapCoordinates(entPos, mapId)));
gridEnt.Transform.LocalPosition += gridPos;
Assert.That(newEnt.Transform.Coordinates.ToMap(entityManager), Is.EqualTo(new MapCoordinates(entPos + gridPos, mapId)));
}
public void GetParent()
{
var entityManager = IoCManager.Resolve <IEntityManager>();
var mapManager = IoCManager.Resolve <IMapManager>();
var mapId = mapManager.CreateMap();
var grid = mapManager.CreateGrid(mapId);
var mapEnt = mapManager.GetMapEntity(mapId);
var gridEnt = entityManager.GetEntity(grid.GridEntityId);
var newEnt = entityManager.CreateEntityUninitialized("dummy", new EntityCoordinates(grid.GridEntityId, Vector2.Zero));
Assert.That(mapEnt.Transform.Coordinates.GetParent(entityManager), Is.EqualTo(mapEnt));
Assert.That(gridEnt.Transform.Coordinates.GetParent(entityManager), Is.EqualTo(mapEnt));
Assert.That(newEnt.Transform.Coordinates.GetParent(entityManager), Is.EqualTo(gridEnt));
// Reparenting the entity should return correct results.
newEnt.Transform.AttachParent(mapEnt);
Assert.That(newEnt.Transform.Coordinates.GetParent(entityManager), Is.EqualTo(mapEnt));
}
public void TryGetParent()
{
var entityManager = IoCManager.Resolve <IEntityManager>();
var mapManager = IoCManager.Resolve <IMapManager>();
var mapId = mapManager.CreateMap();
var grid = mapManager.CreateGrid(mapId);
var mapEnt = mapManager.GetMapEntity(mapId);
var gridEnt = entityManager.GetEntity(grid.GridEntityId);
var newEnt = entityManager.CreateEntityUninitialized("dummy", new EntityCoordinates(grid.GridEntityId, Vector2.Zero));
Assert.That(mapEnt.Transform.Coordinates.TryGetParent(entityManager, out var mapEntParent), Is.EqualTo(true));
Assert.That(mapEntParent, Is.EqualTo(mapEnt));
Assert.That(gridEnt.Transform.Coordinates.TryGetParent(entityManager, out var gridEntParent), Is.EqualTo(true));
Assert.That(gridEntParent, Is.EqualTo(mapEnt));
Assert.That(newEnt.Transform.Coordinates.TryGetParent(entityManager, out var newEntParent), Is.EqualTo(true));
Assert.That(newEntParent, Is.EqualTo(gridEnt));
// Reparenting the entity should return correct results.
newEnt.Transform.AttachParent(mapEnt);
Assert.That(newEnt.Transform.Coordinates.TryGetParent(entityManager, out newEntParent), Is.EqualTo(true));
Assert.That(newEntParent, Is.EqualTo(mapEnt));
// Deleting the parent should make TryGetParent return false.
mapEnt.Delete();
// These shouldn't be valid anymore.
Assert.That(newEnt.Transform.Coordinates.IsValid(entityManager), Is.False);
Assert.That(gridEnt.Transform.Coordinates.IsValid(entityManager), Is.False);
Assert.That(newEnt.Transform.Coordinates.TryGetParent(entityManager, out newEntParent), Is.EqualTo(false));
Assert.That(newEntParent, Is.Null);
Assert.That(gridEnt.Transform.Coordinates.TryGetParent(entityManager, out gridEntParent), Is.EqualTo(false));
Assert.That(gridEntParent, Is.Null);
}