Sun.cpp

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/*
Autor: $Author: kunkel $ State: $State: Exp $
Datum: $Date: 2005/05/30 12:35:25 $
Version: $Revision: 1.1 $
*/

#include "Sun.h"
#include "TextureManager.h"
#include "Window.h"
#include "Opengl.h"

void Sun::draw() {
    drawBegin();
    glColor3f(1.0, 1.0, 1.0);

    GLfloat light_ambient[] = { 0.01, 0.01, 0.01,1.0 };
    GLfloat light_specular[] = { 1.0, 1.0, 1.0, 1.0 };
    int light =Opengl::getNextLight();

    glLightfv(light, GL_AMBIENT, light_ambient);
    glLightfv(light, GL_DIFFUSE, light_specular);
    glLightfv(light, GL_SPECULAR, light_specular);
    glLightf(light, GL_CONSTANT_ATTENUATION, 0.8);
    glLightf(light,GL_LINEAR_ATTENUATION,0.0);
    glLightf(light,GL_QUADRATIC_ATTENUATION,0.0);

    // setze Positionslicht
    GLfloat  light0Pos_[] = { pos.x, pos.y, pos.z, 1.0};
    glLightfv(light, GL_POSITION, light0Pos_);
    glEnable(light);

    GLfloat emission[] = { 1.0, 1.0, 1.0, 1.0 };
    glMaterialfv(GL_FRONT, GL_EMISSION, emission);

    glPushMatrix();

    // distance adaption
    Vector adaptedpos = getScaledPos();
    glTranslatef(adaptedpos.x,adaptedpos.y,adaptedpos.z);

    //Texturanbringung:
    GLUquadricObj *  planetQuadric = gluNewQuadric();

    if(ourConfiguration.showTextures) {
        glEnable (GL_TEXTURE_2D);
        glBindTexture (GL_TEXTURE_2D, getOpenglTextureNumber());
        gluQuadricTexture( planetQuadric, GL_TRUE );
    }

    gluSphere( planetQuadric,getScaledRadius(),
               ourConfiguration.sphereDetaillevel,
               ourConfiguration.sphereDetaillevel );

    glDisable(GL_TEXTURE_2D);

    glPopMatrix();
    gluDeleteQuadric(planetQuadric);
    drawEnd();
}

char * Sun::getType() {
    return "sun";
}

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