C++ Input::GetMouseMoveX方法代码示例

void CharacterDemo::HandleUpdate(StringHash eventType, VariantMap& eventData)
{
    using namespace Update;
    
    float timeStep = eventData[P_TIMESTEP].GetFloat();
    Input* input = GetSubsystem<Input>();

    if (character_)
    {
        UI* ui = GetSubsystem<UI>();
        
        // Get movement controls and assign them to the character logic component. If UI has a focused element, clear controls
        if (!ui->GetFocusElement())
        {
            character_->controls_.Set(CTRL_FORWARD, input->GetKeyDown('W'));
            character_->controls_.Set(CTRL_BACK, input->GetKeyDown('S'));
            character_->controls_.Set(CTRL_LEFT, input->GetKeyDown('A'));
            character_->controls_.Set(CTRL_RIGHT, input->GetKeyDown('D'));
            character_->controls_.Set(CTRL_JUMP, input->GetKeyDown(KEY_SPACE));
            
            // Add character yaw & pitch from the mouse motion
            character_->controls_.yaw_ += (float)input->GetMouseMoveX() * YAW_SENSITIVITY;
            character_->controls_.pitch_ += (float)input->GetMouseMoveY() * YAW_SENSITIVITY;
            // Limit pitch
            character_->controls_.pitch_ = Clamp(character_->controls_.pitch_, -80.0f, 80.0f);
            
            // Switch between 1st and 3rd person
            if (input->GetKeyPress('F'))
                firstPerson_ = !firstPerson_;

            // Check for loading / saving the scene
            if (input->GetKeyPress(KEY_F5))
            {
                File saveFile(context_, GetSubsystem<FileSystem>()->GetProgramDir() + "Data/Scenes/CharacterDemo.xml",
                    FILE_WRITE);
                scene_->SaveXML(saveFile);
            }
            if (input->GetKeyPress(KEY_F7))
            {
                File loadFile(context_, GetSubsystem<FileSystem>()->GetProgramDir() + "Data/Scenes/CharacterDemo.xml", FILE_READ);
                scene_->LoadXML(loadFile);
                // After loading we have to reacquire the weak pointer to the Character component, as it has been recreated
                // Simply find the character's scene node by name as there's only one of them
                Node* characterNode = scene_->GetChild("Jack", true);
                if (characterNode)
                    character_ = characterNode->GetComponent<Character>();
            }
        }
        else
            character_->controls_.Set(CTRL_FORWARD | CTRL_BACK | CTRL_LEFT | CTRL_RIGHT | CTRL_JUMP, false);
        
        // Set rotation already here so that it's updated every rendering frame instead of every physics frame
        character_->GetNode()->SetRotation(Quaternion(character_->controls_.yaw_, Vector3::UP));
    }
}

void VehicleDemo::HandleUpdate(StringHash eventType, VariantMap& eventData)
{
    using namespace Update;
    
    float timeStep = eventData[P_TIMESTEP].GetFloat();
    Input* input = GetSubsystem<Input>();

    if (vehicle_)
    {
        UI* ui = GetSubsystem<UI>();
        
        // Get movement controls and assign them to the vehicle component. If UI has a focused element, clear controls
        if (!ui->GetFocusElement())
        {
            vehicle_->controls_.Set(CTRL_FORWARD, input->GetKeyDown('W'));
            vehicle_->controls_.Set(CTRL_BACK, input->GetKeyDown('S'));
            vehicle_->controls_.Set(CTRL_LEFT, input->GetKeyDown('A'));
            vehicle_->controls_.Set(CTRL_RIGHT, input->GetKeyDown('D'));
        
            // Add yaw & pitch from the mouse motion. Used only for the camera, does not affect motion
            vehicle_->controls_.yaw_ += (float)input->GetMouseMoveX() * YAW_SENSITIVITY;
            vehicle_->controls_.pitch_ += (float)input->GetMouseMoveY() * YAW_SENSITIVITY;
            // Limit pitch
            vehicle_->controls_.pitch_ = Clamp(vehicle_->controls_.pitch_, 0.0f, 80.0f);

            // Check for loading / saving the scene
            if (input->GetKeyPress(KEY_F5))
            {
                File saveFile(context_, GetSubsystem<FileSystem>()->GetProgramDir() + "Data/Scenes/VehicleDemo.xml",
                    FILE_WRITE);
                scene_->SaveXML(saveFile);
            }
            if (input->GetKeyPress(KEY_F7))
            {
                File loadFile(context_, GetSubsystem<FileSystem>()->GetProgramDir() + "Data/Scenes/VehicleDemo.xml", FILE_READ);
                scene_->LoadXML(loadFile);
                // After loading we have to reacquire the weak pointer to the Vehicle component, as it has been recreated
                // Simply find the vehicle's scene node by name as there's only one of them
                Node* vehicleNode = scene_->GetChild("Vehicle", true);
                if (vehicleNode)
                    vehicle_ = vehicleNode->GetComponent<Vehicle>();
            }
        }
        else
            vehicle_->controls_.Set(CTRL_FORWARD | CTRL_BACK | CTRL_LEFT | CTRL_RIGHT, false);
    }
}

void VehicleDemo::HandleUpdate(StringHash eventType, VariantMap& eventData)
{
    using namespace Update;

    Input* input = GetSubsystem<Input>();

    if (vehicle_)
    {
        UI* ui = GetSubsystem<UI>();

        // Get movement controls and assign them to the vehicle component. If UI has a focused element, clear controls
        if (!ui->GetFocusElement())
        {
            vehicle_->controls_.Set(CTRL_FORWARD, input->GetKeyDown(KEY_W));
            vehicle_->controls_.Set(CTRL_BACK, input->GetKeyDown(KEY_S));
            vehicle_->controls_.Set(CTRL_LEFT, input->GetKeyDown(KEY_A));
            vehicle_->controls_.Set(CTRL_RIGHT, input->GetKeyDown(KEY_D));

            // Add yaw & pitch from the mouse motion or touch input. Used only for the camera, does not affect motion
            if (touchEnabled_)
            {
                for (unsigned i = 0; i < input->GetNumTouches(); ++i)
                {
                    TouchState* state = input->GetTouch(i);
                    if (!state->touchedElement_)    // Touch on empty space
                    {
                        Camera* camera = cameraNode_->GetComponent<Camera>();
                        if (!camera)
                            return;

                        Graphics* graphics = GetSubsystem<Graphics>();
                        vehicle_->controls_.yaw_ += TOUCH_SENSITIVITY * camera->GetFov() / graphics->GetHeight() * state->delta_.x_;
                        vehicle_->controls_.pitch_ += TOUCH_SENSITIVITY * camera->GetFov() / graphics->GetHeight() * state->delta_.y_;
                    }
                }
            }
            else
            {
                vehicle_->controls_.yaw_ += (float)input->GetMouseMoveX() * YAW_SENSITIVITY;
                vehicle_->controls_.pitch_ += (float)input->GetMouseMoveY() * YAW_SENSITIVITY;
            }
            // Limit pitch
            vehicle_->controls_.pitch_ = Clamp(vehicle_->controls_.pitch_, 0.0f, 80.0f);

            // Check for loading / saving the scene
            if (input->GetKeyPress(KEY_F5))
            {
                File saveFile(context_, GetSubsystem<FileSystem>()->GetProgramDir() + "Data/Scenes/VehicleDemo.xml",
                    FILE_WRITE);
                scene_->SaveXML(saveFile);
            }
            if (input->GetKeyPress(KEY_F7))
            {
                File loadFile(context_, GetSubsystem<FileSystem>()->GetProgramDir() + "Data/Scenes/VehicleDemo.xml", FILE_READ);
                scene_->LoadXML(loadFile);
                // After loading we have to reacquire the weak pointer to the Vehicle component, as it has been recreated
                // Simply find the vehicle's scene node by name as there's only one of them
                Node* vehicleNode = scene_->GetChild("Vehicle", true);
                if (vehicleNode)
                    vehicle_ = vehicleNode->GetComponent<Vehicle>();
            }
        }
        else
            vehicle_->controls_.Set(CTRL_FORWARD | CTRL_BACK | CTRL_LEFT | CTRL_RIGHT, false);
    }
}

void CharacterDemo::HandleUpdate(StringHash eventType, VariantMap& eventData)
{
    using namespace Update;

    Input* input = GetSubsystem<Input>();

    if (character_)
    {
        // Clear previous controls
        character_->controls_.Set(CTRL_FORWARD | CTRL_BACK | CTRL_LEFT | CTRL_RIGHT | CTRL_JUMP, false);

        // Update controls using touch utility class
        if (touch_)
            touch_->UpdateTouches(character_->controls_);

        // Update controls using keys
        UI* ui = GetSubsystem<UI>();
        if (!ui->GetFocusElement())
        {
            if (!touch_ || !touch_->useGyroscope_)
            {
                character_->controls_.Set(CTRL_FORWARD, input->GetKeyDown(KEY_W));
                character_->controls_.Set(CTRL_BACK, input->GetKeyDown(KEY_S));
                character_->controls_.Set(CTRL_LEFT, input->GetKeyDown(KEY_A));
                character_->controls_.Set(CTRL_RIGHT, input->GetKeyDown(KEY_D));
            }
            character_->controls_.Set(CTRL_JUMP, input->GetKeyDown(KEY_SPACE));

            // Add character yaw & pitch from the mouse motion or touch input
            if (touchEnabled_)
            {
                for (unsigned i = 0; i < input->GetNumTouches(); ++i)
                {
                    TouchState* state = input->GetTouch(i);
                    if (!state->touchedElement_)    // Touch on empty space
                    {
                        Camera* camera = cameraNode_->GetComponent<Camera>();
                        if (!camera)
                            return;

                        Graphics* graphics = GetSubsystem<Graphics>();
                        character_->controls_.yaw_ += TOUCH_SENSITIVITY * camera->GetFov() / graphics->GetHeight() * state->delta_.x_;
                        character_->controls_.pitch_ += TOUCH_SENSITIVITY * camera->GetFov() / graphics->GetHeight() * state->delta_.y_;
                    }
                }
            }
            else
            {
                character_->controls_.yaw_ += (float)input->GetMouseMoveX() * YAW_SENSITIVITY;
                character_->controls_.pitch_ += (float)input->GetMouseMoveY() * YAW_SENSITIVITY;
            }
            // Limit pitch
            character_->controls_.pitch_ = Clamp(character_->controls_.pitch_, -80.0f, 80.0f);
            // Set rotation already here so that it's updated every rendering frame instead of every physics frame
            character_->GetNode()->SetRotation(Quaternion(character_->controls_.yaw_, Vector3::UP));

            // Switch between 1st and 3rd person
            if (input->GetKeyPress(KEY_F))
                firstPerson_ = !firstPerson_;

            // Turn on/off gyroscope on mobile platform
            if (touch_ && input->GetKeyPress(KEY_G))
                touch_->useGyroscope_ = !touch_->useGyroscope_;

            // Check for loading / saving the scene
            if (input->GetKeyPress(KEY_F5))
            {
                File saveFile(context_, GetSubsystem<FileSystem>()->GetProgramDir() + "Data/Scenes/CharacterDemo.xml", FILE_WRITE);
                scene_->SaveXML(saveFile);
            }
            if (input->GetKeyPress(KEY_F7))
            {
                File loadFile(context_, GetSubsystem<FileSystem>()->GetProgramDir() + "Data/Scenes/CharacterDemo.xml", FILE_READ);
                scene_->LoadXML(loadFile);
                // After loading we have to reacquire the weak pointer to the Character component, as it has been recreated
                // Simply find the character's scene node by name as there's only one of them
                Node* characterNode = scene_->GetChild("Jack", true);
                if (characterNode)
                    character_ = characterNode->GetComponent<Character>();
            }
        }
    }
}

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;
        }
    }

}