RigidBodyCollider2.h

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/*************************************************************************
> File Name: RigidBodyCollider2.h
> Project Name: CubbyFlow
> Author: Chan-Ho Chris Ohk
> Purpose: 2-D rigid body collider class.
> Created Time: 2017/06/23
> Copyright (c) 2018, Chan-Ho Chris Ohk
*************************************************************************/
#ifndef CUBBYFLOW_RIGID_BODY_COLLIDER2_H
#define CUBBYFLOW_RIGID_BODY_COLLIDER2_H

#include <Core/Collider/Collider2.h>

namespace CubbyFlow
{
    class RigidBodyCollider2 final : public Collider2
    {
    public:
        class Builder;

        Vector2D linearVelocity;

        double angularVelocity = 0.0;

        explicit RigidBodyCollider2(const Surface2Ptr& surface);

        RigidBodyCollider2(const Surface2Ptr& surface,
            const Vector2D& linearVelocity, double angularVelocity);

        Vector2D VelocityAt(const Vector2D& point) const override;

        static Builder GetBuilder();
    };

    using RigidBodyCollider2Ptr = std::shared_ptr<RigidBodyCollider2>;

    class RigidBodyCollider2::Builder final
    {
    public:
        Builder& WithSurface(const Surface2Ptr& surface);

        Builder& WithLinearVelocity(const Vector2D& linearVelocity);

        Builder& WithAngularVelocity(double angularVelocity);

        RigidBodyCollider2 Build() const;

        RigidBodyCollider2Ptr MakeShared() const;

    private:
        Surface2Ptr m_surface;
        Vector2D m_linearVelocity{ 0, 0 };
        double m_angularVelocity = 0.0;
    };
}

#endif