public void ReactCollision(ref List <RaycastHit2D> contacts, PhysicObject.CollisionStage stage)
{
if (stage == PhysicObject.CollisionStage.Before)
{
PreCollisionTest(ref contacts);
}
else
{
for (int i = 0; i < contacts.Count; ++i)
{
RaycastHit2D hit = contacts[i];
Vector2 cntNorm = contacts[i].normal;
if (hit.collider.usedByEffector)
{//rely on built in effector to avoid having to code a class that containt exactly the same parameters
PlatformEffector2D effector = hit.collider.GetComponent <PlatformEffector2D>();
if (effector != null && effector.useOneWay)
{
if (HandlePassThroughPlatform(hit, effector, stage))
{
contacts.RemoveAt(i);
i--;
}
}
}
}
}
}
protected void HandleCollision(ref List <RaycastHit2D> contacts, PhysicObject.CollisionStage stage)
{
foreach (var hit in contacts)
{
if (Vector2.Dot(_forward, hit.normal) < -0.9f)
{
_collidedInMovement = true;
}
}
}
//return true if need to be removed
protected bool HandlePassThroughPlatform(RaycastHit2D hit, PlatformEffector2D effector, PhysicObject.CollisionStage stage)
{
Vector2 cntNorm = hit.normal;
if (stage == PhysicObject.CollisionStage.XMove)
{
if (!_currentPlatformEffectors.Contains(hit.collider))
{
_currentPlatformEffectors.Add(hit.collider);
}
return(true);
}
else
{
//only test if we are currently falling AND if we weren't going through that
//effector the last frame already. Otherwise we ignore it (as that mean we started falling
//before going entierly through it, we would get stuck in it if we weren't ignoring it)
if (_po.velocity.y < 0)
{
if (!_currentPlatformEffectors.Contains(hit.collider))
{//if the current list of effector contain that effector, we never passed it completly,
//don't collide as we would be stuck INSIDE it
float dot = Vector2.Dot(cntNorm, Vector2.up);
if (dot < Mathf.Cos(Mathf.Deg2Rad * effector.surfaceArc * 0.5f))
{// ignore that collision, the normal is outside the angle define
return(true);
}
}
else
{
return(true);
}
}
else
{
if (!_currentPlatformEffectors.Contains(hit.collider))
{
_currentPlatformEffectors.Add(hit.collider);
}
return(true);
}
}
return(false);
}
