OpenGL untuk membuat tanda plus.

Berikut ini adalah program OpenGL untuk membuat tanda plus.

Praktikum grafika 8.

#include <windows.h> 

#include <stdio.h> 

#include <stdlib.h> 

#include <string.h>

#include <stdarg.h> 

#include <glut.h>

#include <glu.h>

void initRendering() {

      glEnable(GL_DEPTH_TEST);

      glEnable(GL_COLOR_MATERIAL);

      glEnable(GL_LIGHTING);

      glEnable(GL_LIGHT0);

      glShadeModel(GL_SMOOTH);

}

void handleResize(int w, int h) {

      glViewport(0, 0, w, h);

      glMatrixMode(GL_PROJECTION);

      glLoadIdentity();

      gluPerspective(45.0, (double)w / (double)h,7.0, 100.0);

      glMatrixMode (GL_MODELVIEW);

}

void drawScene() {

      glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

      glMatrixMode(GL_MODELVIEW);

      glLoadIdentity();

      glTranslatef(0.0f, 0.0f, -8.0f);

      GLfloat ambientColor[] = {1.0f, 0.0f, 0.0f, 1.0f};

      glLightModelfv(GL_LIGHT_MODEL_AMBIENT, ambientColor);

      GLfloat lightColor0[] = {2.0,0.5,3.0,1.0};

      GLfloat lightPos0[] = {3.0f, 10.0f, 2.0f, 4.0f};

      glLightfv(GL_LIGHT0, GL_DIFFUSE, lightColor0);

      glLightfv(GL_LIGHT0, GL_POSITION, lightPos0);

      gluLookAt (3.0, 2.0, 5.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0);

   

      glutSolidCube(1.0);

      glTranslatef(1.0, 1.0, 0.0);

   

      glutSolidCube(1.0);

      GLfloat lightColor1[] = {1.0,3.0,4.0,1.0};

      glLightfv(GL_LIGHT0, GL_DIFFUSE, lightColor0);

      glTranslatef(-2.0, 0.0, 0.0);

    

      glutSolidCube(1.0);

      GLfloat lightColor2[] = {2.0,3.0,0.0,4.0};

      glLightfv(GL_LIGHT0, GL_DIFFUSE, lightColor1);

      glTranslatef(1.0, 0.0, 0.0);

   

      glutSolidCube(1.0);

      glTranslatef(0.0, 1.0, 0.0);

   

      glutSolidCube(1.0);

      glFlush ();

      glEnd();

      glutSwapBuffers();

}

int main(int argc, char** argv) {

      glutInit(&argc, argv);

      glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);

      glutInitWindowSize(400, 400);

      glutCreateWindow("Lighting - videotutorialsrock.com");

      initRendering();

      glutDisplayFunc(drawScene);

      glutReshapeFunc(handleResize);           

      glutMainLoop();

      return 0;

}