public static CollisionDetails CheckCollision(CheckCollisionSettings settings, Collider_Circle colOne, Collider_Circle colTwo)
{
Vector3 colOnePos = colOne.GetPosition();
Vector3 colTwoPos = colTwo.GetPosition();
// Zero one of the axis based on the upAxis for 2D collision
colOnePos = new Vector3(
(settings.upAxis == VectorAxis.X) ? 0 : colOnePos.x,
(settings.upAxis == VectorAxis.Y) ? 0 : colOnePos.y,
(settings.upAxis == VectorAxis.Z) ? 0 : colOnePos.z);
// Zero one of the axis based on the upAxis for 2D collision
colTwoPos = new Vector3(
(settings.upAxis == VectorAxis.X) ? 0 : colTwoPos.x,
(settings.upAxis == VectorAxis.Y) ? 0 : colTwoPos.y,
(settings.upAxis == VectorAxis.Z) ? 0 : colTwoPos.z);
float sqrDistance = colOnePos.SqrDistanceTo(colTwoPos);
float colOneRadius = colOne.ScaledRadius;
float colTwoRadius = colTwo.ScaledRadius;
float totalSqrRadius = (colOneRadius + colTwoRadius) * (colOneRadius + colTwoRadius);
if (sqrDistance > totalSqrRadius)
{
return(null);
}
CollisionDetails details = new CollisionDetails(colOne, colTwo);
return(details);
}
/// <summary>
/// Returns true if both CollisionDetails have matching AteColliders.
/// </summary>
public override bool Equals(object obj)
{
if (obj == null)
{
return(false);
}
if (this.GetType() != obj.GetType())
{
return(false);
}
CollisionDetails details = (CollisionDetails)obj;
// Two match checks because they are order independant, as long as both match.
bool matchOne = (this.colOne == details.colOne) && (this.colTwo == details.colTwo);
bool matchTwo = (this.colOne == details.colTwo) && (this.colTwo == details.colOne);
return(matchOne || matchTwo);
}
/// <summary>
/// Checks registered collider pairs for active collisions.
/// Cleans the registered colliders and collider pairs of null values before running.
/// </summary>
public List <CollisionDetails> FindCollisionDetails()
{
CleanRegistrationData();
List <CollisionDetails> returnDetails = new List <CollisionDetails> ();
// For now, do not cache these so they can be tweaked with live in editor
CheckCollisionSettings settings = new CheckCollisionSettings(maxCheckDistance, upAxis);
//TODO: Eventually add #if UnityEditor for changing settings in editor but caching settings in game
float sqrMaxCheckDistance = maxCheckDistance * maxCheckDistance;
for (int i = 0; i < _colliderPairs.Count; i++)
{
// Skip if they're too far away to compare
float distance = _colliderPairs[i].v1.GetPosition().SqrDistanceTo(_colliderPairs[i].v2.GetPosition());
if (distance > sqrMaxCheckDistance)
{
continue;
}
// If particular collision should be ignored
if (_colliderPairs[i].v1.MyArea != null && _colliderPairs[i].v2.MyArea != null)
{
if (_colliderPairs[i].v1.ignoreAreas.Contains(_colliderPairs[i].v2.MyArea))
{
continue;
}
if (_colliderPairs[i].v2.ignoreAreas.Contains(_colliderPairs[i].v1.MyArea))
{
continue;
}
}
CollisionDetails details = _colliderPairs[i].v1.CheckCollision(settings, _colliderPairs[i].v2);
if (details != null)
{
returnDetails.Add(details);
}
}
return(returnDetails);
}
public static CollisionDetails CheckCollision(CheckCollisionSettings settings, Collider_Sphere colOne, Collider_Sphere colTwo)
{
Vector3 colOnePos = colOne.GetPosition();
Vector3 colTwoPos = colTwo.GetPosition();
float sqrDistance = colOnePos.SqrDistanceTo(colTwoPos);
float colOneRadius = colOne.ScaledRadius;
float colTwoRadius = colTwo.ScaledRadius;
float totalSqrRadius = (colOneRadius + colTwoRadius) * (colOneRadius + colTwoRadius);
if (sqrDistance > totalSqrRadius)
{
return(null);
}
CollisionDetails details = new CollisionDetails(colOne, colTwo);
return(details);
}