Tugas Grafika Komputer OpenGL

iseng-iseng buka file kuliah dulu, nemu script c++ buat tugas grafika komputer yang kalo ga salah sih senter muter jadinya. .  semoga bermanfaat buat temen2.

#include <glut.h>

#include <math.h>

void cylinder(float alas,float atas,float tinggi);

void balok(float tebal,int ratiol,int ratiop);

double Loop=0;

GLfloat ambient_light[]={0.0,0.0,0.0,0.0};

GLfloat  source_light[]={1.0,1.0,1.0,0.0};

GLfloat     light_pos[]={0,0.0,0.0,4.0};

void Printer(void)

{

glClearColor(0.1,0.0,0.0,0.1);  //putih

glShadeModel(GL_SMOOTH);

glViewport(10,100,480,480);

glMatrixMode(GL_PROJECTION);

glLoadIdentity();

// 90.0, 1.5, 5.0, 100

gluPerspective(90.0,1.5,5.0,120.0);

glEnable (GL_DEPTH_TEST);

glPolygonMode   (GL_FRONT_AND_BACK,GL_FILL);

glEnable (GL_LIGHTING);

//glLightModelfv  (GL_LIGHT_MODEL_AMBIENT,ambient_light);

glLightfv (GL_LIGHT7,GL_DIFFUSE,source_light);

glLightfv (GL_LIGHT7,GL_POSITION,light_pos);

glEnable (GL_LIGHT7);

glEnable (GL_COLOR_MATERIAL);

glColorMaterial (GL_FRONT,GL_AMBIENT_AND_DIFFUSE);

}

void display(void)

{

glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);

glMatrixMode(GL_MODELVIEW);

glLoadIdentity();

glPushMatrix();

// -3 -3 -50

glTranslatef(-3,-3,-50);

Loop++;

   glRotatef( -Loop,1.0,1.0,1.0);//Sumbu yang berotasi

glTranslatef(0.0,0.0,10.0);//tabung

glColor3f(0.0,0.0,50.0);

cylinder(6,6,20);

glRotatef(90,0.45,0.0,0.0);

glTranslatef(0.0,0.0,-1.0);//on/off

cylinder(0.5,0.5,8.9);

glRotatef(270,0.45,0.0,0.0);

glTranslatef(0.2,-5.0,2.0);//balok

balok(1,20,10);

glPopMatrix();

glFlush();

glutSwapBuffers();

}

void cylinder(float alas,float atas,float tinggi)

{

float i;

glPushMatrix();

glTranslatef(1.0,0.0,-alas/8);

glutSolidCone(alas,0,32,4);

for(i=0;i<=tinggi;i+=alas/24)

{

glTranslatef(0.0,0.0,alas/24);

glutSolidTorus(alas/4,alas-((i*(alas-atas))/tinggi),16,16);

}

glTranslatef(0.0,0.0,alas/4);

glutSolidCone(atas,0,20,1);

glColor3f(1.,0.,0.);

glPopMatrix();

}

void balok(float tebal,int ratiol,int ratiop)

{

float i,j;

glPushMatrix();

for(i=0;i<ratiop;i++)

{

glTranslatef(-(ratiol+1)*tebal/2,0.0,0.0);

for(j=0;j<ratiol;j++)

{

glTranslatef(tebal,0.0,0.0);

glutSolidCube(tebal);

}

glTranslatef(-(ratiol-1)*tebal/2,0.0,tebal);

}

glPopMatrix();

}

void tampil()

{

display();

}

int main(int argc,char **argv)

{

glutInit(&argc,argv);

glutInitDisplayMode(GLUT_DOUBLE|GLUT_RGB);//|GLUT_DEPTH);

glutInitWindowPosition(10,10);

glutInitWindowSize(1000,700);

glutCreateWindow("PRINTER 3D");

glClearColor(0.5,0.5,0.0,0.0);

glutDisplayFunc(display);

gluOrtho2D(-320., 320., -240.0, 240.0);

glutIdleFunc(tampil);

Printer();

glutMainLoop();

return(0);

}