Light.cpp

#include "Light.h"

Light::Light ()
{
        ambient[0] = 0.0f;
        ambient[1] = 0.0f;
        ambient[2] = 0.0f;
        ambient[3] = 0.0f;

        diffuse[0] = 1.0f;
        diffuse[1] = 1.0f;
        diffuse[2] = 1.0f;
        diffuse[3] = 1.0f;

        specular[0] = 1.0f;
        specular[1] = 1.0f;
        specular[2] = 1.0f;
        specular[3] = 1.0f;

        position = new PositionPath ();
}

Light::~Light ()
{
        // nothing to do
}

void Light::SetAmbient (float red, float green, float blue, float alpha)
{
        ambient[0] = red;
        ambient[1] = green;
        ambient[2] = blue;
        ambient[3] = alpha;
}

void Light::SetDiffuse (float red, float green, float blue, float alpha)
{
        diffuse[0] = red;
        diffuse[1] = green;
        diffuse[2] = blue;
        diffuse[3] = alpha;
}

void Light::SetSpecular (float red, float green, float blue, float alpha)
{
        specular[0] = red;
        specular[1] = green;
        specular[2] = blue;
        specular[3] = alpha;
}

void Light::Bind (int id_)
{
        id = id_;
}

void Light::Apply (int time)
{
        Position pos;
        float pos_[4];

        pos = position->GetPosition (time);

        pos_[0] = pos.x;
        pos_[1] = pos.y;
        pos_[2] = pos.z;
        pos_[3] = 1.0f;

        glEnable (id);
        glLightfv (id, GL_AMBIENT, ambient);
        glLightfv (id, GL_DIFFUSE, diffuse);
        glLightfv (id, GL_SPECULAR, specular);
        glLightfv (id, GL_POSITION, pos_);
}

---