light.h

Go to the documentation of this file.

#pragma once

#include <QVector3D>
#include <QVector4D>

namespace terminus
{

class Light
{
public:
    enum Type
    {
        AMBIENT     = 0, 
        DIRECTIONAL = 1, 
        POINT       = 2, 
        SPOT        = 3  
    };

    static constexpr int vectorCount = 3;

    static const Light nullLight;

public:
    static Light createAmbient(const QVector3D & color);
    static Light createDirectional(const QVector3D & color, const QVector3D & direction);
    static Light createPoint(const QVector3D & color, const QVector3D & position, float intensity);
    static Light createSpot(const QVector3D & color, const QVector3D & position, const QVector3D & direction, float intensity, float cutoffDegrees, float cutoffBorder);

public:
    Light(Type type = AMBIENT);

    void setPosition(const QVector3D & position);
    void setDirection(const QVector3D & direction);
    void setColor(const QVector3D & color);
    void setIntensity(float intensity);
    void setCutoff(float cutoffDegrees, float cutoffBorder);

protected:
    QVector4D positionType;
    QVector4D directionIntensity;
    QVector4D colorCutOff;
};

}// namespace terminus