pointlight.cpp

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#include "vart/pointlight.h"

#ifdef WIN32
#include <windows.h>
#endif
#ifdef VART_OGL
#include <GL/gl.h>
#endif

VART::PointLight::PointLight(Point4D loc, float constantAtt, float linearAtt, float quadraticAtt){
    SetLocation(loc);
    SetAttenuation(constantAtt, linearAtt, quadraticAtt);
}

void VART::PointLight::SetAttenuation(float constant, float linear, float quadratic){
    constantAttenuation = constant;
    linearAttenuation = linear;
    quadraticAttenuation = quadratic;
}

bool VART::PointLight::DrawOGL(unsigned int oglLightID) const {
#ifdef VART_OGL
    GLenum realID = (GLenum) getOpenGLID(oglLightID);

    GLfloat pos[4];
    pos[0] = location.GetX();
    pos[1] = location.GetY();
    pos[2] = location.GetZ();
    pos[3] = location.GetW();

    glLightfv(realID, GL_POSITION, pos);
    glLightf(realID, GL_CONSTANT_ATTENUATION, constantAttenuation);
    glLightf(realID, GL_LINEAR_ATTENUATION, linearAttenuation);
    glLightf(realID, GL_QUADRATIC_ATTENUATION, quadraticAttenuation);

    VART::Light::DrawOGL(oglLightID);

    return true;
#else
    return false;
#endif
}