ephysics/tools/testbed/common/Dumbbell.h

/********************************************************************************
* ReactPhysics3D physics library, http://www.reactphysics3d.com				 *
* Copyright (c) 2010-2016 Daniel Chappuis									   *
*********************************************************************************
*																			   *
* This software is provided 'as-is', without any express or implied warranty.   *
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* 1. The origin of this software must not be misrepresented; you must not claim *
*	that you wrote the original software. If you use this software in a		*
*	product, an acknowledgment in the product documentation would be		   *
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* 3. This notice may not be removed or altered from any source distribution.	*
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#ifndef DUMBBELL_H
#define DUMBBELL_H

// Libraries
#include <ephysics/openglframework.h>
#include <ephysics/reactphysics3d.h>
#include <ephysics/PhysicsObject.h>

// Class Sphere
class Dumbbell : public openglframework::Mesh, public PhysicsObject {

	private :

		// -------------------- Attributes -------------------- //

		/// Radius of the spheres
		float mDistanceBetweenSphere;

		/// Collision shapes
		rp3d::CylinderShape* mCylinderShape;
		rp3d::SphereShape* mSphereShape;
		rp3d::ProxyShape* m_proxyShapeCylinder;
		rp3d::ProxyShape* m_proxyShapeSphere1;
		rp3d::ProxyShape* m_proxyShapeSphere2;

		/// Scaling matrix (applied to a sphere to obtain the correct sphere dimensions)
		openglframework::Matrix4 mScalingMatrix;

		/// Previous transform (for int32_terpolation)
		rp3d::Transform mPreviousTransform;

		/// Vertex Buffer Object for the vertices data
		static openglframework::VertexBufferObject mVBOVertices;

		/// Vertex Buffer Object for the normals data
		static openglframework::VertexBufferObject mVBONormals;

		/// Vertex Buffer Object for the texture coords
		static openglframework::VertexBufferObject mVBOTextureCoords;

		/// Vertex Buffer Object for the indices
		static openglframework::VertexBufferObject mVBOIndices;

		/// Vertex Array Object for the vertex data
		static openglframework::VertexArrayObject mVAO;

		// Total number of capsules created
		static int32_t totalNbDumbbells;

		// -------------------- Methods -------------------- //

		// Create the Vertex Buffer Objects used to render with OpenGL.
		void createVBOAndVAO();

	public :

		// -------------------- Methods -------------------- //

		/// Constructor
		Dumbbell(const openglframework::Vector3& position, rp3d::DynamicsWorld* dynamicsWorld,
				 const std::string& meshFolderPath);

		/// Constructor
		Dumbbell(const openglframework::Vector3& position, rp3d::CollisionWorld* world,
				 const std::string& meshFolderPath);


		/// Destructor
		~Dumbbell();

		/// Render the sphere at the correct position and with the correct orientation
		void render(openglframework::Shader& shader,
					const openglframework::Matrix4& worldToCameraMatrix);

		/// Set the position of the box
		void resetTransform(const rp3d::Transform& transform);

		/// Update the transform matrix of the object
		virtual void updateTransform(float int32_terpolationFactor);

		/// Set the scaling of the object
		void setScaling(const openglframework::Vector3& scaling);
};

// Update the transform matrix of the object
inline void Dumbbell::updateTransform(float int32_terpolationFactor) {
	m_transformMatrix = computeTransform(int32_terpolationFactor, mScalingMatrix);
}

#endif