/// <summary>
/// An implementation of the Pushback method that will store an overlap's resolution details.
/// </summary>
/// <param name="overlapHitCount"></param>
/// <param name="position"></param>
/// <param name="orientation"></param>
/// <param name="tmpColliderBuffer"></param>
/// <param name="tmpOverlapBuffer"></param>
/// <param name="validOverlapsMask"></param>
/// <param name="interactionType"></param>
/// <param name="inflate"></param>
/// <returns></returns>
private bool StorePushback(
ref int overlapHitCount,
ref Vector3 position,
Quaternion orientation,
Collider[] tmpColliderBuffer,
OverlapHit[] tmpOverlapBuffer,
LayerMask validOverlapsMask,
QueryTriggerInteraction interactionType,
float inflate)
{
// Cache self
Collider self = Collider();
int nbColliderOverlaps = Overlap(
position, // pass position
orientation, // pass orientation
validOverlapsMask, // pass layermask
interactionType, // pass interaction type
tmpColliderBuffer, // pass collider buffer
inflate); // pass inflate
// filter out self
OverlapFilters.FilterSelf(ref nbColliderOverlaps, // pass number of overlaps
tmpColliderBuffer, // pass buffer
self); // pass self to filter
// if filtered overlaps exceed 0, solve iteration
bool overlapsDetected = nbColliderOverlaps > 0;
if (overlapsDetected) // attempt solve:
{
for (int j = 0; j < nbColliderOverlaps; j++) // loop through queried colliders and resolve the first valid penetration
{
Collider overlapCollider = tmpColliderBuffer[j];
Transform overlapTransform = overlapCollider.transform;
if (Physics.ComputePenetration(self,
position,
orientation,
overlapCollider,
overlapTransform.position,
overlapTransform.rotation,
out Vector3 overlapNormal,
out float overlapDistance))
{
position += overlapNormal * (overlapDistance + 0.01F);
if (overlapHitCount < tmpOverlapBuffer.Length)
{
tmpOverlapBuffer[overlapHitCount++] = new OverlapHit(overlapNormal, overlapDistance, overlapCollider);
}
break;
}
}
}
return(!overlapsDetected);
}
/// <summary>
/// The step called every iteration in the IterativePushback method call. <br/>
/// You may want to hardcode this into your own collision response scripts as i haven't tested to see if its optimal with so many
/// method calls passing in all these parameters over and over again.
/// </summary>
/// <param name="position"></param>
/// <param name="orientation"></param>
/// <param name="tmpColliderBuffer"></param>
/// <param name="validOverlapsMask"></param>
/// <param name="interactionType"></param>
/// <param name="inflate"></param>
/// <returns></returns>
private bool Pushback(
ref Vector3 position,
Quaternion orientation,
Collider[] tmpColliderBuffer,
LayerMask validOverlapsMask,
QueryTriggerInteraction interactionType,
float inflate)
{
// Cache self for filters
Collider self = Collider();
int nbColliderOverlaps = Overlap(position,
orientation,
validOverlapsMask,
interactionType,
tmpColliderBuffer,
inflate);
// Filter out self
OverlapFilters.FilterSelf(ref nbColliderOverlaps,
tmpColliderBuffer,
self);
// Check if overlap detection returns nothing or not
bool isResolved = nbColliderOverlaps == 0;
if (!isResolved) // attempt solve:
{
for (int j = nbColliderOverlaps - 1; j >= 0; j--) // loop through queried colliders and resolve the first valid penetration
{
Collider overlapCollider = tmpColliderBuffer[j]; // reference queried collider
Transform overlapTransform = tmpColliderBuffer[j].transform; // reference queried transform
if (Physics.ComputePenetration(
self, // pass self
position, // pass position
orientation, // pass orientation
overlapCollider, // pass overlapped collider
overlapTransform.position, // pass its position
overlapTransform.rotation, // pass its rotation
out Vector3 overlapNormal, // output penetration normal
out float overlapDistance)) // output distance
{
position += overlapNormal * (overlapDistance + 0.01F); // push position out of overlap
break;
}
}
}
return(isResolved);
}
