void Navigation::AddOrRemoveObject()
{
// Raycast and check if we hit a mushroom node. If yes, remove it, if no, create a new one
Vector3 hitPos;
Drawable* hitDrawable;
if (Raycast(250.0f, hitPos, hitDrawable))
{
// The part of the navigation mesh we must update, which is the world bounding box of the associated
// drawable component
BoundingBox updateBox;
Node* hitNode = hitDrawable->GetNode();
if (hitNode->GetName() == "Mushroom")
{
updateBox = hitDrawable->GetWorldBoundingBox();
hitNode->Remove();
}
else
{
Node* newNode = CreateMushroom(hitPos);
updateBox = newNode->GetComponent<StaticModel>()->GetWorldBoundingBox();
}
// Rebuild part of the navigation mesh, then recalculate path if applicable
NavigationMesh* navMesh = scene_->GetComponent<NavigationMesh>();
navMesh->Build(updateBox);
if (currentPath_.Size())
navMesh->FindPath(currentPath_, jackNode_->GetPosition(), endPos_);
}
}
void Navigation::SetPathPoint()
{
Vector3 hitPos;
Drawable* hitDrawable;
NavigationMesh* navMesh = scene_->GetComponent<NavigationMesh>();
if (Raycast(250.0f, hitPos, hitDrawable))
{
Vector3 pathPos = navMesh->FindNearestPoint(hitPos, Vector3(1.0f, 1.0f, 1.0f));
if (GetSubsystem<Input>()->GetQualifierDown(QUAL_SHIFT))
{
// Teleport
currentPath_.Clear();
jackNode_->LookAt(Vector3(pathPos.x_, jackNode_->GetPosition().y_, pathPos.z_), Vector3::UP);
jackNode_->SetPosition(pathPos);
}
else
{
// Calculate path from Jack's current position to the end point
endPos_ = pathPos;
navMesh->FindPath(currentPath_, jackNode_->GetPosition(), endPos_);
}
}
}
void Navigation::RecalculatePath()
{
NavigationMesh* navMesh = scene_->GetComponent<NavigationMesh>();
navMesh->FindPath(currentPath_, startPos_, endPos_);
}