Ball.h

#pragma once

#include <Urho3D/Scene/LogicComponent.h>

namespace Urho3D {
    class RigidBody;
}

using namespace Urho3D;


// interesting billiards physical properties
// http://billiards.colostate.edu/threads/physics.html
const float BALL_SCALE = 0.7f;
const float BALL_MASS = 1.0f;
//const float BALL_FRICTION = 0.2f;
const float BALL_FRICTION = 0.8f;
const float BALL_LINEAR_DAMPING = 0.1f;
const float BALL_ANGULAR_DAMPING = 0.8f;
//const float BALL_ANGULAR_DAMPING = 0.3f;
const float BALL_RESTITUTION = 0.7f;


// Events
URHO3D_EVENT(E_BALLINPOCKET, BallInPocket) {
    URHO3D_PARAM(P_BALLNAME, BallName);
}


class Ball : public LogicComponent {
URHO3D_OBJECT(Ball, LogicComponent);

public:
    /// Construct.
    Ball(Context *context);

    virtual void Start();

    /// Register object factory and attributes.
    static void RegisterObject(Context *context);

    /// Initialize ball
    void Init(String material);

    bool IsMoving();

    String GetName();

protected:
    WeakPtr<RigidBody> body_;

    virtual void HandleCollisionWithPocket(VariantMap &eventData);

private:
    bool IsCollidingWithPocket(VariantMap &eventData);

    void HandleNodeCollisionStart(StringHash eventType, VariantMap &eventData);
};