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
scene_->GetComponent<NavigationMesh>()->Build(updateBox);
RecalculatePath();
}
}
void Decals::PaintDecal()
{
Vector3 hitPos;
Drawable* hitDrawable;
if (Raycast(250.0f, hitPos, hitDrawable))
{
// Check if target scene node already has a DecalSet component. If not, create now
Node* targetNode = hitDrawable->GetNode();
DecalSet* decal = targetNode->GetComponent<DecalSet>();
if (!decal)
{
ResourceCache* cache = GetSubsystem<ResourceCache>();
decal = targetNode->CreateComponent<DecalSet>();
decal->SetMaterial(cache->GetResource<Material>("Materials/UrhoDecal.xml"));
}
// Add a square decal to the decal set using the geometry of the drawable that was hit, orient it to face the camera,
// use full texture UV's (0,0) to (1,1). Note that if we create several decals to a large object (such as the ground
// plane) over a large area using just one DecalSet component, the decals will all be culled as one unit. If that is
// undesirable, it may be necessary to create more than one DecalSet based on the distance
decal->AddDecal(hitDrawable, hitPos, cameraNode_->GetRotation(), 0.5f, 1.0f, 1.0f, Vector2::ZERO,
Vector2::ONE);
}
}
void Urho3DTemplate::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))
{
Node* hitNode = hitDrawable->GetNode();
if (hitNode->GetName() == "Mushroom")
{
hitNode->Remove();
}
else
{
CreateMushroom(hitPos);
}
}
}
void ObjectPositionEditor::OnMouseLeftDown(float x,float y,unsigned int buttons)
{
EditorRoot* pEditorRoot = EditorRoot::Instance();
Editor3dGizmo* pGizmo = pEditorRoot->GetGizmo();
//判断点击的内容，如果是物件判断有没有按住Ctrl多重选择
IntVector2 pos(x,y);
vector<SceneHitResult> result = SceneHelper::Instance()->QueryCurrentMousePosObjects(250.0,&pos);
//判断是否是坐标轴
if(is_axis_object(result) == true)
{
Graphics* graphics = GetSubsystem<Graphics>();
Camera* camera = pEditorRoot->cameraNode_->GetComponent<Camera>();
Ray cameraWorldRay = camera->GetScreenRay(x / graphics->GetWidth(),y / graphics->GetHeight());
//判断并记录哪些坐标轴被选中了
bool bXSelect;
bool bYSelect;
bool bZSelect;
pGizmo->QuerySelectedStateByWorldRay(cameraWorldRay,bXSelect,bYSelect,bZSelect);
pGizmo->gizmoAxisX->selected = bXSelect;
pGizmo->gizmoAxisY->selected = bYSelect;
pGizmo->gizmoAxisZ->selected = bZSelect;
if(pGizmo->IsSelected())
{
pGizmo->BeginDrag();
}
//判断Ctrl有没有按下
pGizmo->update_model();
}
else
{
Drawable* selObject = get_edit_object(result);
if(selObject == NULL)
{
if(pEditorRoot->IsCtrlPressed() == false)
{
pEditorRoot->CancelAllSelection();
}
pEditorRoot->RectSelectionFrame_->Begin(x,y);
isRectSelectionMode = true;
rectSelectionStart.x_ = x;
rectSelectionStart.y_ = y;
}
else
{
//选中的节点(后面要根据是否按住Ctrl来判断增加还是去除)
Node* pSelNode = selObject->GetNode();
pEditorRoot->OnNodeSelect(pSelNode);
//
pGizmo->gizmoAxisX->selected = true;
pGizmo->gizmoAxisY->selected = true;
pGizmo->gizmoAxisZ->selected = true;
pGizmo->BeginDrag();
pGizmo->update_model();
}
}
}
//1.框选模式 还是单选
//2.单选还是移动
void ObjectPositionEditor::OnMouseMove(float x,float y,unsigned int buttons)
{
EditorRoot* pEditorRoot = EditorRoot::Instance();
//显示名字UI
char szName[256];
//矩形框选模式
if(isRectSelectionMode == true)
{
pEditorRoot->RectSelectionFrame_->UpdateShow(x,y);
//遍历场景找到属于框内的对象
pEditorRoot->RectSelectionNodes = SceneHelper::Instance()->QueryScreenRectNodes(pEditorRoot->RectSelectionFrame_->vecStart,pEditorRoot->RectSelectionFrame_->vecEnd);
sprintf(szName,"Selected:%d",pEditorRoot->RectSelectionNodes.size());
pEditorRoot->ObjectNameTip_->SetText(szName);
pEditorRoot->ObjectNameTip_->UpdateShow(x,y);
}
else //单选或者移动
{
Editor3dGizmo* pGizmo = pEditorRoot->GetGizmo();
pEditorRoot->ObjectNameTip_->Hide();
IntVector2 pos(x,y);
vector<SceneHitResult> result = SceneHelper::Instance()->QueryCurrentMousePosObjects(250.0,&pos);
Node* pHoverNode = NULL;
Drawable* selObject = get_edit_object(result);
if(selObject != NULL)
{
pHoverNode = selObject->GetNode();
}
//更新鼠标射线相对于坐标轴的情况(是否拖动都需要)
Graphics* graphics = GetSubsystem<Graphics>();
Camera* camera = pEditorRoot->cameraNode_->GetComponent<Camera>();
Ray cameraWorldRay = camera->GetScreenRay(x / graphics->GetWidth(),y / graphics->GetHeight());
//判断并记录哪些坐标轴被选中了
bool bXHover;
bool bYHover;
bool bZHover;
pGizmo->QuerySelectedStateByWorldRay(cameraWorldRay,bXHover,bYHover,bZHover);
if(pGizmo->IsDrag == true)
{
pGizmo->UpdateMovePosition();
}
else
{
//当前落在坐标轴上
if(is_axis_object(result) == true)
{
pGizmo->gizmoAxisX->hovered = bXHover;
pGizmo->gizmoAxisY->hovered = bYHover;
pGizmo->gizmoAxisZ->hovered = bZHover;
pGizmo->update_model();
if(bXHover || bYHover || bZHover)
{
EditorRoot::Instance()->GetMainWindow()->setCursor(Qt::SizeAllCursor);
}
else
{
EditorRoot::Instance()->GetMainWindow()->setCursor(Qt::ArrowCursor);
}
}
else
{
//判断是否是选择的物体
if(selObject == NULL)
{
//非当前可编辑的对象，直接退出
EditorRoot::Instance()->GetMainWindow()->setCursor(Qt::ArrowCursor);
return;
}
sprintf(szName,"%s - %s",result[0].object->GetTypeName().CString(),result[0].object->GetNode()->GetName().CString());
pEditorRoot->ObjectNameTip_->SetText(szName);
pEditorRoot->ObjectNameTip_->UpdateShow(x,y);
//当前悬浮的是选择的
bool isHoverInSel = pEditorRoot->IsNodeInSelections(selObject->GetNode());
//仅当在非当前选择的节点上时才显示+
if(isHoverInSel == false)
{
EditorRoot::Instance()->GetMainWindow()->setCursor(Qt::CrossCursor);
}
if(isHoverInSel == false && selObject == NULL)
{
EditorRoot::Instance()->GetMainWindow()->setCursor(Qt::ArrowCursor);
}
}
}
}
}