bool HitBox::IsCollision(Vector2 offset, HitBox *pHitBox, Vector2 hitBoxOffset, CollisionParameter *pParam) const
{
bool isCollision = false;
Vector2 overlapCompensation = Vector2(0, 0);
if (pHitBox != NULL)
{
for (unsigned int i = 0; i < collidableObjectList.size(); i++)
{
CollidableObject *pCollidableObject1 = collidableObjectList[i];
for (unsigned int j = 0; j < pHitBox->collidableObjectList.size(); j++)
{
CollidableObject *pCollidableObject2 = pHitBox->collidableObjectList[j];
CollisionParameter tempParam;
if (CollisionExists(pCollidableObject1, offset + overlapCompensation, pCollidableObject2, hitBoxOffset, &tempParam)
&& fabs(tempParam.OverlapDistance) > 0.0001)
{
for (unsigned int k = 0; k < tempParam.OverlapEntryList.size(); k++)
{
pParam->OverlapEntryList.push_back(tempParam.OverlapEntryList[k]);
}
overlapCompensation += tempParam.OverlapAxis * tempParam.OverlapDistance;
isCollision = true;
}
}
}
}
pParam->OverlapDistance = overlapCompensation.Length();
pParam->OverlapAxis = overlapCompensation.Normalize();
return isCollision;
}
void CollisionSystem::CollisionGroup::CheckForCollisions() {
for(int a = 0; entityGroup1->getCount() > a; a++) {
artemis::Entity* entity1 = entityGroup1->get(a);
if(entity1->getComponent<CollisionComponent>()->isCollidable) {
for(int b = 0; entityGroup2->getCount() > b; b++) {
artemis::Entity* entity2 = entityGroup2->get(b);
if(entity2->getComponent<CollisionComponent>()->isCollidable &&
CollisionExists(entity1, entity2)) {
handler->HandleCollision(entity1, entity2);
}
}
}
}
}
bool HitBox::ContainsPoint(Vector2 offset, Vector2 point) const
{
bool isCollision = false;
Vector2 overlapCompensation = Vector2(0, 0);
CollidableObject *pCollidableObjectForPoint = CollidableObject::CreateRectangle(Vector2(0, 0), Vector2(1, 1));
for (unsigned int i = 0; i < collidableObjectList.size(); i++)
{
CollidableObject *pCollidableObject = collidableObjectList[i];
CollisionParameter tempParam;
if (CollisionExists(pCollidableObject, offset + overlapCompensation, pCollidableObjectForPoint, point, &tempParam)
&& fabs(tempParam.OverlapDistance) > 0.0001)
{
overlapCompensation += tempParam.OverlapAxis * tempParam.OverlapDistance;
isCollision = true;
}
}
delete pCollidableObjectForPoint;
return isCollision;
}