Ray3-Impl.h

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/*************************************************************************
> File Name: Ray3-Impl.h
> Project Name: CubbyFlow
> Author: Dongmin Kim
> Purpose: Class for 3-D ray.
> Created Time: 2017/03/25
> Copyright (c) 2018, Dongmin Kim
*************************************************************************/
#ifndef CUBBYFLOW_RAY3_IMPL_H
#define CUBBYFLOW_RAY3_IMPL_H

namespace CubbyFlow
{
    template <typename T>
    Ray<T, 3>::Ray() :
        Ray(Vector3<T>(), Vector3<T>(1, 0, 0))
    {
        // Do nothing
    }

    template <typename T>
    Ray<T, 3>::Ray(const Vector3<T>& newOrigin, const Vector3<T>& newDirection) :
        origin(newOrigin), direction(newDirection.Normalized())
    {
        // Do nothing
    }

    template <typename T>
    Ray<T, 3>::Ray(const Ray& other) :
        origin(other.origin), direction(other.direction)
    {
        // Do nothing
    }

    template <typename T>
    Vector3<T> Ray<T, 3>::PointAt(T t) const
    {
        return origin + t * direction;
    }
}

#endif