#include "stdlib.h"
#include "gl/glut.h"

void drawQuad(){
 glBegin(GL_QUADS);
  glVertex2f(0.,0.);
  glVertex2f(0.,10.);
  glVertex2f(20.,10.); 
  glVertex2f(20.,0.);
 glEnd();
}

void bg(){
 glColor3f(1,1,0);
 glBegin(GL_QUADS);
 glVertex2f(200.,200.);
 glVertex2f(-200.,200.);
 glVertex2f(-200.,-200.);
 glVertex2f(200.,-200.);
 glEnd();
}

void renderScene(void){
 glClear(GL_COLOR_BUFFER_BIT);
 bg();
 glScalef(1.5,1.5,0); // men-scale semua objek
 glColor3f(1.,1.,1.);
 drawQuad();

 glTranslatef(0,10,0);
 glColor3f(1.,0.,0.);
 drawQuad();
 glTranslatef(-20,0,0);
 glColor3f(1.,0.,0.);
 drawQuad();

 glTranslatef(0,-10,0);
 glColor3f(1.,1.,1.);
 drawQuad();

 glRotatef(180,1,1,0);
 glTranslatef(30,-30,0);
 glColor3f(1.,1.,1.);
 drawQuad();

 glTranslatef(0,10,0);
 glColor3f(1.,0.,0.);
 drawQuad();

 glTranslatef(0,70,0);
 glColor3f(1.,0.,0.);
 drawQuad();

 glTranslatef(0,10,0);
 glColor3f(1.,1.,1.);
 drawQuad();

 glRotatef(180,1,1,0);
 glTranslatef(-20,-50,0);
 glColor3f(1.,0.,0.);
 drawQuad();

 glTranslatef(-20,0,0);
 glColor3f(1.,0.,0.);
 drawQuad();

 glTranslatef(-20,0,0);
 glColor3f(1.,0.,0.);
 drawQuad();

 glTranslatef(-20,0,0);
 glColor3f(1.,0.,0.);
 drawQuad();

 glTranslatef(10,-10,0);
 glColor3f(1.,1.,1.);
 drawQuad();

 glTranslatef(40,0,0);
 glColor3f(1.,1.,1.);
 drawQuad();

 glFlush();
}


void main(int argc, char **argv){
 glutInit (&argc, argv);
 glutInitWindowPosition (100,100);
 glutInitWindowSize (480,480);
 glutCreateWindow ("SPONGEBOB");
 gluOrtho2D(-100.0,100.0,-70.0,100.0);
 glutDisplayFunc (renderScene);
 glutMainLoop ();
}