C++ Input::GetMouseButtonPress方法代码示例

void Navigation::MoveCamera(float timeStep)
{
    // Right mouse button controls mouse cursor visibility: hide when pressed
    UI* ui = GetSubsystem<UI>();
    Input* input = GetSubsystem<Input>();
    ui->GetCursor()->SetVisible(!input->GetMouseButtonDown(MOUSEB_RIGHT));
    
    // Do not move if the UI has a focused element (the console)
    if (ui->GetFocusElement())
        return;
    
    // Movement speed as world units per second
    const float MOVE_SPEED = 20.0f;
    // Mouse sensitivity as degrees per pixel
    const float MOUSE_SENSITIVITY = 0.1f;
    
    // Use this frame's mouse motion to adjust camera node yaw and pitch. Clamp the pitch between -90 and 90 degrees
    // Only move the camera when the cursor is hidden
    if (!ui->GetCursor()->IsVisible())
    {
        IntVector2 mouseMove = input->GetMouseMove();
        yaw_ += MOUSE_SENSITIVITY * mouseMove.x_;
        pitch_ += MOUSE_SENSITIVITY * mouseMove.y_;
        pitch_ = Clamp(pitch_, -90.0f, 90.0f);
        
        // Construct new orientation for the camera scene node from yaw and pitch. Roll is fixed to zero
        cameraNode_->SetRotation(Quaternion(pitch_, yaw_, 0.0f));
    }
    
    // Read WASD keys and move the camera scene node to the corresponding direction if they are pressed
    if (input->GetKeyDown('W'))
        cameraNode_->TranslateRelative(Vector3::FORWARD * MOVE_SPEED * timeStep);
    if (input->GetKeyDown('S'))
        cameraNode_->TranslateRelative(Vector3::BACK * MOVE_SPEED * timeStep);
    if (input->GetKeyDown('A'))
        cameraNode_->TranslateRelative(Vector3::LEFT * MOVE_SPEED * timeStep);
    if (input->GetKeyDown('D'))
        cameraNode_->TranslateRelative(Vector3::RIGHT * MOVE_SPEED * timeStep);
    
    // Set route start/endpoint with left mouse button, recalculate route if applicable
    if (input->GetMouseButtonPress(MOUSEB_LEFT))
        SetPathPoint();
    // Add or remove objects with middle mouse button, then rebuild navigation mesh partially
    if (input->GetMouseButtonPress(MOUSEB_MIDDLE))
        AddOrRemoveObject();
        
    // Toggle debug geometry with space
    if (input->GetKeyPress(KEY_SPACE))
        drawDebug_ = !drawDebug_;
}

void Physics::MoveCamera(float timeStep)
{
    // Do not move if the UI has a focused element (the console)
    if (GetSubsystem<UI>()->GetFocusElement())
        return;

    Input* input = GetSubsystem<Input>();

    // Movement speed as world units per second
    const float MOVE_SPEED = 20.0f;
    // Mouse sensitivity as degrees per pixel
    const float MOUSE_SENSITIVITY = 0.1f;

    // Use this frame's mouse motion to adjust camera node yaw and pitch. Clamp the pitch between -90 and 90 degrees
    IntVector2 mouseMove = input->GetMouseMove();
    yaw_ += MOUSE_SENSITIVITY * mouseMove.x_;
    pitch_ += MOUSE_SENSITIVITY * mouseMove.y_;
    pitch_ = Clamp(pitch_, -90.0f, 90.0f);

    // Construct new orientation for the camera scene node from yaw and pitch. Roll is fixed to zero
    cameraNode_->SetRotation(Quaternion(pitch_, yaw_, 0.0f));

    // Read WASD keys and move the camera scene node to the corresponding direction if they are pressed
    if (input->GetKeyDown(KEY_W))
        cameraNode_->Translate(Vector3::FORWARD * MOVE_SPEED * timeStep);
    if (input->GetKeyDown(KEY_S))
        cameraNode_->Translate(Vector3::BACK * MOVE_SPEED * timeStep);
    if (input->GetKeyDown(KEY_A))
        cameraNode_->Translate(Vector3::LEFT * MOVE_SPEED * timeStep);
    if (input->GetKeyDown(KEY_D))
        cameraNode_->Translate(Vector3::RIGHT * MOVE_SPEED * timeStep);

    // "Shoot" a physics object with left mousebutton
    if (input->GetMouseButtonPress(MOUSEB_LEFT))
        SpawnObject();

    // Check for loading/saving the scene. Save the scene to the file Data/Scenes/Physics.xml relative to the executable
    // directory
    if (input->GetKeyPress(KEY_F5))
    {
        File saveFile(context_, GetSubsystem<FileSystem>()->GetProgramDir() + "Data/Scenes/Physics.xml", FILE_WRITE);
        scene_->SaveXML(saveFile);
    }
    if (input->GetKeyPress(KEY_F7))
    {
        File loadFile(context_, GetSubsystem<FileSystem>()->GetProgramDir() + "Data/Scenes/Physics.xml", FILE_READ);
        scene_->LoadXML(loadFile);
    }

    // Toggle physics debug geometry with space
    if (input->GetKeyPress(KEY_SPACE))
        drawDebug_ = !drawDebug_;
}

void Urho3DTemplate::MoveCamera(float timeStep)
{
    //Right mouse button controls mouse cursor visibility: hide when pressed
    UI* ui = GetSubsystem<UI>();
    Input* input = GetSubsystem<Input>();
    ui->GetCursor()->SetVisible(!input->GetMouseButtonDown(MOUSEB_RIGHT));

    //Do not move if the UI has a focused element (the console)
    if (ui->GetFocusElement())
        return;

    //Movement speed as world units per second
    const float MOVE_SPEED = 20.0f;
    //Mouse sensitivity as degrees per pixel
    const float MOUSE_SENSITIVITY = 0.1f;

    //Use this frame's mouse motion to adjust camera node yaw and pitch. Clamp the pitch between -90 and 90 degrees. Only move the camera when the cursor is hidden.
    if (!ui->GetCursor()->IsVisible())
    {
        IntVector2 mouseMove = input->GetMouseMove();
        cameraYaw_ += MOUSE_SENSITIVITY * mouseMove.x_;
        cameraPitch_ += MOUSE_SENSITIVITY * mouseMove.y_;
        cameraPitch_ = Clamp(cameraPitch_, -90.0f, 90.0f);

        //Construct new orientation for the camera scene node from yaw and pitch. Roll is fixed to zero
        cameraNode_->SetRotation(Quaternion(cameraPitch_, cameraYaw_, 0.0f));
    }

    //Read WASD keys and move the camera scene node to the corresponding direction if they are pressed
    if (input->GetKeyDown('W'))
        cameraNode_->Translate(Vector3::FORWARD * MOVE_SPEED * timeStep);
    if (input->GetKeyDown('S'))
        cameraNode_->Translate(Vector3::BACK * MOVE_SPEED * timeStep);
    if (input->GetKeyDown('A'))
        cameraNode_->Translate(Vector3::LEFT * MOVE_SPEED * timeStep);
    if (input->GetKeyDown('D'))
        cameraNode_->Translate(Vector3::RIGHT * MOVE_SPEED * timeStep);

    //Add or remove objects with left mouse button
    if (input->GetMouseButtonPress(MOUSEB_LEFT))
        AddOrRemoveObject();
}

void SceneView3D::HandlePostRenderUpdate(StringHash eventType, VariantMap& eventData)
{

    // Visualize the currently selected nodes
    if (selectedNode_.NotNull())
    {
        DrawNodeDebug(selectedNode_, debugRenderer_);

    }

    if (!MouseInView())
        return;

    Input* input = GetSubsystem<Input>();

    mouseLeftDown_ = false;

    if (input->GetMouseButtonPress(MOUSEB_LEFT))
    {
        if (!mouseMoved_ && !sceneEditor_->GetGizmo()->Selected())
        {
            Ray camRay  = GetCameraRay();
            PODVector<RayQueryResult> result;

            RayOctreeQuery query(result, camRay, RAY_TRIANGLE, camera_->GetFarClip(), DRAWABLE_GEOMETRY, 0x7fffffff);
            octree_->RaycastSingle(query);

            if (query.result_.Size())
            {
                const RayQueryResult& r = result[0];

                if (r.drawable_)
                {

                    VariantMap neventData;
                    neventData[EditorActiveNodeChange::P_NODE] = r.drawable_->GetNode();
                    SendEvent(E_EDITORACTIVENODECHANGE, neventData);

                }
            }
        }

        mouseMoved_ = false;

    }
    else if (!input->GetMouseButtonDown(MOUSEB_LEFT))
    {

        Ray camRay  = GetCameraRay();
        PODVector<RayQueryResult> result;

        mouseMoved_ = false;

        /*
        Array<int> pickModeDrawableFlags = {
            DRAWABLE_GEOMETRY,
            DRAWABLE_LIGHT,
            DRAWABLE_ZONE
        };
        */

        RayOctreeQuery query(result, camRay, RAY_TRIANGLE, camera_->GetFarClip(), DRAWABLE_GEOMETRY, 0x7fffffff);
        octree_->RaycastSingle(query);

        if (query.result_.Size())
        {
            const RayQueryResult& r = result[0];

            if (r.drawable_)
            {
                debugRenderer_->AddNode(r.drawable_->GetNode(), 1.0, false);
                r.drawable_->DrawDebugGeometry(debugRenderer_, false);
            }

        }
    }
    else
    {
        mouseLeftDown_ = true;
        if (Abs(input->GetMouseMoveX() > 3 || input->GetMouseMoveY() >  3))
        {
            mouseMoved_ = true;
        }
    }

}