AtomicGameEngine/Source/Atomic/Atomic2D/CollisionCircle2D.h

//
// Copyright (c) 2008-2017 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.
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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//

#pragma once

#include "../Atomic2D/CollisionShape2D.h"

namespace Atomic
{

/// 2D circle collision component.
class ATOMIC_API CollisionCircle2D : public CollisionShape2D
{
    ATOMIC_OBJECT(CollisionCircle2D, CollisionShape2D);

public:
    /// Construct.
    CollisionCircle2D(Context* context);
    /// Destruct.
    virtual ~CollisionCircle2D();
    /// Register object factory.
    static void RegisterObject(Context* context);

    /// Set radius.
    void SetRadius(float radius);
    /// Set center.
    void SetCenter(const Vector2& center);
    /// Set center.
    void SetCenter(float x, float y);

    /// Return radius.
    float GetRadius() const { return radius_; }

    /// Return center.
    const Vector2& GetCenter() const { return center_; }

private:
    /// Apply node world scale.
    virtual void ApplyNodeWorldScale();
    /// Recreate fixture.
    void RecreateFixture();

    /// Circle shape.
    b2CircleShape circleShape_;
    /// Radius.
    float radius_;
    /// Center.
    Vector2 center_;
};

}