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public static boxcastBroadphase ( RectangleF rect, int layerMask = allLayers ) : IEnumerable |
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| rect | RectangleF | |
| layerMask | int | Layer mask. |
| return | IEnumerable |
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/// <summary>
/// moves the entity taking collisions into account
/// </summary>
/// <returns><c>true</c>, if move actor was newed, <c>false</c> otherwise.</returns>
/// <param name="motion">Motion.</param>
public bool move(Vector2 motion)
{
if (_collider == null)
{
return(false);
}
var didCollide = false;
// fetch anything that we might collide with at our new position
entity.transform.position += motion;
// fetch anything that we might collide with us at our new position
var neighbors = Physics.boxcastBroadphase(_collider.bounds, _collider.collidesWithLayers);
foreach (var neighbor in neighbors)
{
if (_collider.overlaps(neighbor))
{
didCollide = true;
notifyTriggerListeners(_collider, neighbor);
}
}
return(didCollide);
}
/// <summary>
/// moves the entity taking collisions into account
/// </summary>
/// <returns><c>true</c>, if move actor was newed, <c>false</c> otherwise.</returns>
/// <param name="motion">Motion.</param>
/// <param name="collisionResult">Collision result.</param>
public bool move(Vector2 motion)
{
var collider = entity.colliders.mainCollider;
// no collider? just move and forget about it
if (collider == null)
{
entity.transform.position += motion;
return(false);
}
// remove ourself from the physics system until after we are done moving
entity.colliders.unregisterAllCollidersWithPhysicsSystem();
var didCollide = false;
// fetch anything that we might collide with at our new position
entity.transform.position += motion;
// fetch anything that we might collide with us at our new position
var neighbors = Physics.boxcastBroadphase(collider.bounds, collider.collidesWithLayers);
foreach (var neighbor in neighbors)
{
if (collider.overlaps(neighbor))
{
didCollide = true;
notifyTriggerListeners(collider, neighbor);
}
}
// let Physics know about our new position
entity.colliders.registerAllCollidersWithPhysicsSystem();
return(didCollide);
}
void IUpdatable.update()
{
if (isImmovable)
{
velocity = Vector2.Zero;
return;
}
if (shouldUseGravity)
{
velocity += Physics.gravity * Time.deltaTime;
}
entity.colliders.unregisterAllCollidersWithPhysicsSystem();
entity.transform.position += velocity * Time.deltaTime;
CollisionResult collisionResult;
// fetch anything that we might collide with at our new position
var neighbors = Physics.boxcastBroadphase(entity.colliders.mainCollider.bounds, entity.colliders.mainCollider.collidesWithLayers);
foreach (var neighbor in neighbors)
{
if (entity.colliders.mainCollider.collidesWith(neighbor, out collisionResult))
{
// if the neighbor has an ArcadeRigidbody we handle full collision response. If not, we calculate things based on the
// neighbor being immovable.
var neighborRigidbody = neighbor.entity.getComponent <ArcadeRigidbody>();
if (neighborRigidbody != null)
{
processOverlap(neighborRigidbody, ref collisionResult.minimumTranslationVector);
processCollision(neighborRigidbody, ref collisionResult.minimumTranslationVector);
}
else
{
// neighbor has no ArcadeRigidbody so we assume its immovable and only move ourself
entity.transform.position -= collisionResult.minimumTranslationVector;
var relativeVelocity = velocity;
calculateResponseVelocity(ref relativeVelocity, ref collisionResult.minimumTranslationVector, out relativeVelocity);
velocity += relativeVelocity;
}
}
}
entity.colliders.registerAllCollidersWithPhysicsSystem();
}
/// <summary>
/// update should be called AFTER Entity is moved. It will take care of any ITriggerListeners that the Collider overlaps.
/// </summary>
public void update()
{
// 3. do an overlap check of all entity.colliders that are triggers with all broadphase colliders, triggers or not.
// Any overlaps result in trigger events.
var colliders = _entity.getComponents <Collider>();
for (var i = 0; i < colliders.Count; i++)
{
var collider = colliders[i];
// fetch anything that we might collide with us at our new position
var neighbors = Physics.boxcastBroadphase(collider.bounds, collider.collidesWithLayers);
foreach (var neighbor in neighbors)
{
// we need at least one of the colliders to be a trigger
if (!collider.isTrigger && !neighbor.isTrigger)
{
continue;
}
if (collider.overlaps(neighbor))
{
var pair = new Pair <Collider>(collider, neighbor);
// if we already have this pair in one of our sets (the previous or current trigger intersections) dont call the enter event
var shouldReportTriggerEvent = !_activeTriggerIntersections.Contains(pair) &&
!_previousTriggerIntersections.Contains(pair);
if (shouldReportTriggerEvent)
{
notifyTriggerListeners(pair, true);
}
_activeTriggerIntersections.Add(pair);
}
// overlaps
}
// end foreach
}
ListPool <Collider> .free(colliders);
checkForExitedColliders();
}
/// <summary>
/// moves the entity taking collisions into account
/// </summary>
/// <returns><c>true</c>, if move actor was newed, <c>false</c> otherwise.</returns>
/// <param name="motion">Motion.</param>
/// <param name="collisionResult">Collision result.</param>
public bool move(Vector2 motion, out CollisionResult collisionResult)
{
collisionResult = new CollisionResult();
// no collider? just move and forget about it
if (entity.colliders.Count == 0 || _triggerHelper == null)
{
entity.transform.position += motion;
return(false);
}
// remove ourself from the physics system until after we are done moving
entity.colliders.unregisterAllCollidersWithPhysicsSystem();
// 1. move all non-trigger Colliders and get closest collision
var colliders = entity.getColliders();
for (var i = 0; i < colliders.Count; i++)
{
var collider = colliders[i];
// skip triggers for now. we will revisit them after we move.
if (collider.isTrigger)
{
continue;
}
// fetch anything that we might collide with at our new position
var bounds = collider.bounds;
bounds.x += motion.X;
bounds.y += motion.Y;
var neighbors = Physics.boxcastBroadphase(ref bounds, collider.collidesWithLayers);
foreach (var neighbor in neighbors)
{
// skip triggers for now. we will revisit them after we move.
if (neighbor.isTrigger)
{
continue;
}
if (collider.collidesWith(neighbor, motion, out collisionResult))
{
// hit. back off our motion
motion -= collisionResult.minimumTranslationVector;
}
}
}
ListPool <Collider> .free(colliders);
// 2. move entity to its new position if we have a collision else move the full amount. motion is updated when a collision occurs
entity.transform.position += motion;
// 3. do an overlap check of all Colliders that are triggers with all broadphase colliders, triggers or not.
// Any overlaps result in trigger events.
_triggerHelper.update();
// let Physics know about our new position
entity.colliders.registerAllCollidersWithPhysicsSystem();
return(collisionResult.collider != null);
}
/// <summary>
/// moves the entity taking collisions into account
/// </summary>
/// <returns><c>true</c>, if move actor was newed, <c>false</c> otherwise.</returns>
/// <param name="motion">Motion.</param>
/// <param name="collisionResult">Collision result.</param>
public bool move(Vector2 motion, out CollisionResult collisionResult)
{
collisionResult = new CollisionResult();
// no collider? just move and forget about it
if (entity.colliders.Count == 0)
{
entity.transform.position += motion;
return(false);
}
// remove ourself from the physics system until after we are done moving
entity.colliders.unregisterAllCollidersWithPhysicsSystem();
// 1. move all non-trigger entity.colliders and get closest collision
for (var i = 0; i < entity.colliders.Count; i++)
{
var collider = entity.colliders[i];
// skip triggers for now. we will revisit them after we move.
if (collider.isTrigger)
{
continue;
}
// fetch anything that we might collide with at our new position
var bounds = collider.bounds;
bounds.x += motion.X;
bounds.y += motion.Y;
var neighbors = Physics.boxcastBroadphase(ref bounds, collider.collidesWithLayers);
foreach (var neighbor in neighbors)
{
// skip triggers for now. we will revisit them after we move.
if (neighbor.isTrigger)
{
continue;
}
CollisionResult tempCollisionResult;
if (collider.collidesWith(neighbor, motion, out tempCollisionResult))
{
// hit. compare with the previous hit (if we have one) and choose the one that is closest (smallest MTV)
if (collisionResult.collider == null ||
collisionResult.minimumTranslationVector.LengthSquared() > tempCollisionResult.minimumTranslationVector.LengthSquared())
{
collisionResult = tempCollisionResult;
}
}
}
}
// 2. move entity to its new position if we have a collision else move the full amount
if (collisionResult.collider != null)
{
entity.transform.position += motion - collisionResult.minimumTranslationVector;
}
else
{
entity.transform.position += motion;
}
// 3. do an overlap check of all entity.colliders that are triggers with all broadphase colliders, triggers or not.
// Any overlaps result in trigger events.
for (var i = 0; i < entity.colliders.Count; i++)
{
var collider = entity.colliders[i];
// fetch anything that we might collide with us at our new position
var neighbors = Physics.boxcastBroadphase(collider.bounds, collider.collidesWithLayers);
foreach (var neighbor in neighbors)
{
// we need at least one of the colliders to be a trigger
if (!collider.isTrigger && !neighbor.isTrigger)
{
continue;
}
if (collider.overlaps(neighbor))
{
var pair = new Pair <Collider>(collider, neighbor);
// if we already have this pair in one of our sets (the previous or current trigger intersections) dont call the enter event
var shouldReportTriggerEvent = !_activeTriggerIntersections.Contains(pair) && !_previousTriggerIntersections.Contains(pair);
if (shouldReportTriggerEvent)
{
notifityTriggerListeners(pair, true);
}
_activeTriggerIntersections.Add(pair);
} // overlaps
} // end foreach
}
// let Physics know about our new position
entity.colliders.registerAllCollidersWithPhysicsSystem();
checkForExitedColliders();
return(collisionResult.collider != null);
}
