refactoring

examples/testbed/framework/body_dragger.h

@@ -0,0 +1,72 @@
+/*
+* Copyright (c) 2016-2016 Irlan Robson http://www.irlan.net
+*
+* This software is provided 'as-is', without any express or implied
+* warranty.  In no event will the authors be held liable for any damages
+* arising from the use of this software.
+* Permission is granted to anyone to use this software for any purpose,
+* including commercial applications, and to alter it and redistribute it
+* freely, subject to the following restrictions:
+* 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
+* appreciated but is not required.
+* 2. Altered source versions must be plainly marked as such, and must not be
+* misrepresented as being the original software.
+* 3. This notice may not be removed or altered from any source distribution.
+*/
+
+#ifndef B3_BODY_DRAGGER_H
+#define B3_BODY_DRAGGER_H
+
+#include <bounce/common/geometry.h>
+#include <bounce/common/geometry.h>
+#include <bounce/dynamics/shapes/shape.h>
+#include <bounce/dynamics/body.h>
+#include <bounce/dynamics/world.h>
+#include <bounce/dynamics/joints/mouse_joint.h>
+
+// A body shape dragger.
+class b3BodyDragger
+{
+public:
+	b3BodyDragger(b3Ray3* ray, b3World* world);
+	~b3BodyDragger();
+
+	bool StartDragging();
+
+	void Drag();
+
+	void StopDragging();
+
+	bool IsDragging() const;
+
+	b3Ray3* GetRay() const;
+
+	b3Body* GetBody() const;
+
+	b3Vec3 GetPointA() const;
+
+	b3Vec3 GetPointB() const;
+private:
+	b3Ray3 * m_ray;
+	float32 m_x;
+
+	b3World* m_world;
+	
+	b3Shape* m_shape;
+	b3Vec3 m_p;
+	b3MouseJoint* m_mouseJoint;
+};
+
+inline bool b3BodyDragger::IsDragging() const
+{
+	return m_shape != nullptr;
+}
+
+inline b3Ray3* b3BodyDragger::GetRay() const
+{
+	return m_ray;
+}
+
+#endif