/// <summary>
/// Checks if this collider and the given collider collided.
/// Returns CollisionDetails about any detected collision.
/// Returns null if no collision was detected.
/// </summary>
//public abstract CollisionDetails CheckCollision (CheckCollisionSettings settings, Collider other);
public CollisionDetails CheckCollision(CheckCollisionSettings settings, Collider other)
{
if (other == null)
{
return(null);
}
Collider_Circle thisCircle = this as Collider_Circle;
Collider_Sphere thisSphere = this as Collider_Sphere;
Collider_Circle otherCircle = other as Collider_Circle;
Collider_Sphere otherSphere = other as Collider_Sphere;
//TODO: Hairy hairy hairy
if (thisCircle != null)
{
if (otherCircle != null)
{
return(CheckCollisionMethods.CheckCollision(settings, thisCircle, otherCircle));
}
else if (otherSphere != null)
{
return(CheckCollisionMethods.CheckCollision(settings, thisCircle, otherSphere));
}
}
else if (thisSphere != null)
{
if (otherCircle != null)
{
return(CheckCollisionMethods.CheckCollision(settings, thisSphere, otherCircle));
}
else if (otherSphere != null)
{
return(CheckCollisionMethods.CheckCollision(settings, thisSphere, otherSphere));
}
}
return(null);
}
public static CollisionDetails CheckCollision(CheckCollisionSettings settings, Collider_Circle colOne, Collider_Sphere colTwo)
{
return(CheckCollision(settings, colTwo, colOne));
}
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);
}
public static CollisionDetails CheckCollision(CheckCollisionSettings settings, Collider_Sphere colOne, Collider_Circle colTwo)
{
Vector3 colOnePos = colOne.GetPosition();
Vector3 colTwoPos = colTwo.GetPosition();
// If it is supposed to be flattened,
// zero one of the axis based on the upAxis for 2D collision
if (colTwo.flattenAxisIn3D)
{
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);
}
