Add Urho2DParticle sample in C++.

Source/Samples/25_Urho2DParticle/CMakeLists.txt

@@ -0,0 +1,33 @@
+#
+# Copyright (c) 2008-2013 the Urho3D project.
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+#
+
+# Define target name
+set (TARGET_NAME 25_Urho2DParticle)
+
+# Define source files
+define_source_files (EXTRA_H_FILES ${COMMON_SAMPLE_H_FILES})
+
+# Setup target with resource copying
+setup_main_executable ()
+
+# Setup test cases
+add_test (NAME ${TARGET_NAME} COMMAND ${TARGET_NAME} -timeout ${TEST_TIME_OUT})

Source/Samples/25_Urho2DParticle/Urho2DParticle.cpp

@@ -0,0 +1,137 @@
+//
+// Copyright (c) 2008-2013 the Urho3D project.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+//
+
+#include "Camera.h"
+#include "CoreEvents.h"
+#include "Engine.h"
+#include "Font.h"
+#include "Graphics.h"
+#include "Input.h"
+#include "InputEvents.h"
+#include "Octree.h"
+#include "ParticleEmitter2D.h"
+#include "ParticleModel2D.h"
+#include "Renderer.h"
+#include "ResourceCache.h"
+#include "Scene.h"
+#include "Text.h"
+#include "Urho2DParticle.h"
+#include "Zone.h"
+
+#include "DebugNew.h"
+
+DEFINE_APPLICATION_MAIN(Urho2DParticle)
+
+Urho2DParticle::Urho2DParticle(Context* context) :
+Sample(context)
+{    
+}
+
+void Urho2DParticle::Start()
+{
+    // Execute base class startup
+    Sample::Start();
+
+    // Set mouse visibile
+    Input* input = GetSubsystem<Input>();
+    input->SetMouseVisible(true);
+
+    // Create the scene content
+    CreateScene();
+
+    // Create the UI content
+    CreateInstructions();
+
+    // Setup the viewport for displaying the scene
+    SetupViewport();
+
+    // Hook up to the frame update events
+    SubscribeToEvents();
+}
+
+void Urho2DParticle::CreateScene()
+{
+    scene_ = new Scene(context_);
+    scene_->CreateComponent<Octree>();
+
+    // Create camera node
+    cameraNode_ = scene_->CreateChild("Camera");
+    // Set camera's position
+    cameraNode_->SetPosition(Vector3(0.0f, 0.0f, -10.0f));
+
+    Camera* camera = cameraNode_->CreateComponent<Camera>();
+    camera->SetOrthographic(true);
+
+    Graphics* graphics = GetSubsystem<Graphics>();
+    camera->SetOrthoSize(Vector2((float)graphics->GetWidth(), (float)graphics->GetHeight()));
+
+    ResourceCache* cache = GetSubsystem<ResourceCache>();
+    ParticleModel2D* particleModel = cache->GetResource<ParticleModel2D>("Urho2D/LavaFlow.plist");
+    if (!particleModel)
+        return;
+
+    particleNode_ = scene_->CreateChild("ParticleEmitter2D");
+    ParticleEmitter2D* particleEmitter = particleNode_->CreateComponent<ParticleEmitter2D>();
+    particleEmitter->SetModel(particleModel);
+}
+
+void Urho2DParticle::CreateInstructions()
+{
+    ResourceCache* cache = GetSubsystem<ResourceCache>();
+    UI* ui = GetSubsystem<UI>();
+
+    // Construct new Text object, set string to display and font to use
+    Text* instructionText = ui->GetRoot()->CreateChild<Text>();
+    instructionText->SetText("Use mouse to move the particle.");
+    instructionText->SetFont(cache->GetResource<Font>("Fonts/Anonymous Pro.ttf"), 15);
+
+    // Position the text relative to the screen center
+    instructionText->SetHorizontalAlignment(HA_CENTER);
+    instructionText->SetVerticalAlignment(VA_CENTER);
+    instructionText->SetPosition(0, ui->GetRoot()->GetHeight() / 4);
+}
+
+void Urho2DParticle::SetupViewport()
+{
+    Renderer* renderer = GetSubsystem<Renderer>();
+
+    // Set up a viewport to the Renderer subsystem so that the 3D scene can be seen
+    SharedPtr<Viewport> viewport(new Viewport(context_, scene_, cameraNode_->GetComponent<Camera>()));
+    renderer->SetViewport(0, viewport);
+}
+
+void Urho2DParticle::SubscribeToEvents()
+{
+    SubscribeToEvent(E_MOUSEMOVE, HANDLER(Urho2DParticle, HandleMouseMove));
+}
+
+void Urho2DParticle::HandleMouseMove(StringHash eventType, VariantMap& eventData)
+{
+    if (particleNode_)
+    {
+        using namespace MouseMove;
+        float x = (float)eventData[P_X].GetInt();
+        float y = (float)eventData[P_Y].GetInt();
+        Graphics* graphics = GetSubsystem<Graphics>();
+        particleNode_->SetPosition(Vector3(x - graphics->GetWidth() * 0.5f, -y + graphics->GetHeight() * 0.5f, 0.0));
+    }
+}

Source/Samples/25_Urho2DParticle/Urho2DParticle.h

@@ -0,0 +1,67 @@
+//
+// Copyright (c) 2008-2013 the Urho3D project.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+//
+
+#pragma once
+
+#include "Sample.h"
+
+namespace Urho3D
+{
+    class Node;
+    class Scene;
+}
+
+// Urho2D particle example.
+// This sample demonstrates:
+//     - Creating a 2D scene with particle
+//     - Displaying the scene using the Renderer subsystem
+//     - Handling mouse move to move particle
+class Urho2DParticle : public Sample
+{
+    OBJECT(Urho2DParticle);
+
+public:
+    /// Construct.
+    Urho2DParticle(Context* context);
+
+    /// Setup after engine initialization and before running the main loop.
+    virtual void Start();
+
+private:
+    /// Construct the scene content.
+    void CreateScene();
+    /// Construct an instruction text to the UI.
+    void CreateInstructions();
+    /// Set up a viewport for displaying the scene.
+    void SetupViewport();
+    /// Subscribe to application-wide logic update events.
+    void SubscribeToEvents();
+    /// Handle mouse move event.
+    void HandleMouseMove(StringHash eventType, VariantMap& eventData);
+
+    /// Scene.
+    SharedPtr<Scene> scene_;
+    /// Camera scene node.
+    SharedPtr<Node> cameraNode_;
+    /// Particle scene node.
+    SharedPtr<Node> particleNode_;
+};

Source/Samples/CMakeLists.txt

@@ -62,3 +62,4 @@ if (ENABLE_LUA)
 endif ()
 add_subdirectory (23_Water)
 add_subdirectory (24_Urho2DSprite)
+add_subdirectory (25_Urho2DParticle)