75 lines
2.5 KiB
C++
75 lines
2.5 KiB
C++
//
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// Copyright (c) 2008-2020 the Urho3D project.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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#pragma once
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#include <Urho3D/Math/Plane.h>
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#include "Sample.h"
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namespace Urho3D
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{
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class Node;
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class Scene;
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}
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/// Water example.
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/// This sample demonstrates:
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/// - Creating a large plane to represent a water body for rendering
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/// - Setting up a second camera to render reflections on the water surface
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class Water : public Sample
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{
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URHO3D_OBJECT(Water, Sample);
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public:
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/// Construct.
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explicit Water(Context* context);
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/// Setup after engine initialization and before running the main loop.
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void Start() override;
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private:
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/// Construct the scene content.
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void CreateScene();
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/// Construct an instruction text to the UI.
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void CreateInstructions();
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/// Set up a viewport for displaying the scene.
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void SetupViewport();
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/// Subscribe to the logic update event.
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void SubscribeToEvents();
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/// Read input and moves the camera.
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void MoveCamera(float timeStep);
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/// Handle the logic update event.
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void HandleUpdate(StringHash eventType, VariantMap& eventData);
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/// Reflection camera scene node.
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SharedPtr<Node> reflectionCameraNode_;
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/// Water body scene node.
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SharedPtr<Node> waterNode_;
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/// Reflection plane representing the water surface.
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Plane waterPlane_;
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/// Clipping plane for reflection rendering. Slightly biased downward from the reflection plane to avoid artifacts.
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Plane waterClipPlane_;
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};
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