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Tuesday 11 November 2014

Gambar Laba-Laba Sederhana dengan OpenGL

22:07  Qolbi  No comments


source code :

#include <iostream>
#include <GL/glut.h>
#include <math.h>

//LINGKARAN


const double PI = 3.141592653589793;

void drawCircle(float x_tengah,float y_tengah,float radius){
    glBegin(GL_POLYGON);

    int jumlah_titik = 50;

    for (int i=0;i<=360;i++)
    {
        float sudut = i*(2*PI/jumlah_titik);
        float x = x_tengah + radius*cos(sudut);
        float y = y_tengah + radius*sin(sudut);
        glVertex2f(x,y);
    }

    glEnd();

    //sikil kanan tengah
glPushMatrix ();
glLineWidth (1.9f);
glBegin (GL_LINES);
glBegin (GL_POLYGON);
glColor3f (1.0, 1.0, 1.0);

glVertex3f (0.70, 0.00, 0.0);
glVertex3f (0.25, 0.00, 0.0);

glVertex3f (0.25, 0.00, 0.0);
glVertex3f (0.25, 0.02, 0.0);

glVertex3f (0.25, 0.02, 0.0);
glVertex3f (0.70, 0.02, 0.0);

glVertex3f (0.70, 0.02, 0.0);
glVertex3f (0.70, 0.00, 0.0);

glEnd ();

//sikil kanan atas
glPushMatrix ();
glLineWidth (1.9f);
glBegin (GL_LINES);
glBegin (GL_POLYGON);
glColor3f (1.0, 1.0, 1.0);

glVertex3f (0.60, 0.40, 0.0);
glVertex3f (0.05, 0.20, 0.0);

glVertex3f (0.05, 0.20, 0.0);
glVertex3f (0.05, 0.18, 0.0);

glVertex3f (0.05, 0.18, 0.0);
glVertex3f (0.60, 0.38, 0.0);

glVertex3f (0.60, 0.18, 0.0);
glVertex3f (0.60, 0.40, 0.0);

glEnd ();

//sikil kanan bawah
glPushMatrix ();
glLineWidth (1.9f);
glBegin (GL_LINES);
glBegin (GL_POLYGON);
glColor3f (1.0, 1.0, 1.0);

glVertex3f (0.60, -0.45, 0.0);
glVertex3f (0.05, -0.20, 0.0);

glVertex3f (0.05, -0.20, 0.0);
glVertex3f (0.05, -0.18, 0.0);

glVertex3f (0.05, -0.18, 0.0);
glVertex3f (0.60, -0.43, 0.0);

glVertex3f (0.60, -0.18, 0.0);
glVertex3f (0.60, -0.45, 0.0);

glEnd ();


//sikil kiri tengah
glPushMatrix ();
glLineWidth (1.9f);
glBegin (GL_LINES);
glBegin (GL_POLYGON);
glColor3f (1.0, 1.0, 1.0);

glVertex3f (-0.70, 0.00, 0.0);
glVertex3f (-0.25, 0.00, 0.0);

glVertex3f (-0.25, 0.00, 0.0);
glVertex3f (-0.25, 0.02, 0.0);

glVertex3f (-0.25, 0.02, 0.0);
glVertex3f (-0.70, 0.02, 0.0);

glVertex3f (-0.70, 0.02, 0.0);
glVertex3f (-0.70, 0.00, 0.0);

glEnd ();

//sikil kiri atas
glPushMatrix ();
glLineWidth (1.9f);
glBegin (GL_LINES);
glBegin (GL_POLYGON);
glColor3f (1.0, 1.0, 1.0);

glVertex3f (-0.60, 0.40, 0.0);
glVertex3f (-0.05, 0.20, 0.0);

glVertex3f (-0.05, 0.20, 0.0);
glVertex3f (-0.05, 0.18, 0.0);

glVertex3f (-0.05, 0.18, 0.0);
glVertex3f (-0.60, 0.38, 0.0);

glVertex3f (-0.60, 0.18, 0.0);
glVertex3f (-0.60, 0.40, 0.0);

glEnd ();

//sikil kiri bawah
glPushMatrix ();
glLineWidth (1.9f);
glBegin (GL_LINES);
glBegin (GL_POLYGON);
glColor3f (1.0, 1.0, 1.0);

glVertex3f (-0.60, -0.45, 0.0);
glVertex3f (-0.05, -0.20, 0.0);

glVertex3f (-0.05, -0.20, 0.0);
glVertex3f (-0.05, -0.18, 0.0);

glVertex3f (-0.05, -0.18, 0.0);
glVertex3f (-0.60, -0.43, 0.0);

glVertex3f (-0.60, -0.18, 0.0);
glVertex3f (-0.60, -0.45, 0.0);

glEnd ();

//jari kanan bawah
glPushMatrix ();
glLineWidth (1.9f);
glBegin (GL_LINES);
glBegin (GL_POLYGON);
glColor3f (1.0, 1.0, 1.0);

glVertex3f (0.60, -0.42, 0.0);
glVertex3f (0.58, -0.42, 0.0);

glVertex3f (0.58, -0.42, 0.0);
glVertex3f (0.58, -0.49, 0.0);

glVertex3f (0.58, -0.49, 0.0);
glVertex3f (0.60, -0.49, 0.0);

glVertex3f (0.60, -0.49, 0.0);
glVertex3f (0.60, -0.42, 0.0);

glEnd ();

//jari kiri bawah
glPushMatrix ();
glLineWidth (1.9f);
glBegin (GL_LINES);
glBegin (GL_POLYGON);
glColor3f (1.0, 1.0, 1.0);

glVertex3f (-0.60, -0.42, 0.0);
glVertex3f (-0.58, -0.42, 0.0);

glVertex3f (-0.58, -0.42, 0.0);
glVertex3f (-0.58, -0.49, 0.0);

glVertex3f (-0.58, -0.49, 0.0);
glVertex3f (-0.60, -0.49, 0.0);

glVertex3f (-0.60, -0.49, 0.0);
glVertex3f (-0.60, -0.42, 0.0);

glEnd ();

//jari kiri atas
glPushMatrix ();
glLineWidth (1.9f);
glBegin (GL_LINES);
glBegin (GL_POLYGON);
glColor3f (1.0, 1.0, 1.0);

glVertex3f (-0.60, 0.30, 0.0);
glVertex3f (-0.58, 0.30, 0.0);

glVertex3f (-0.58, 0.30, 0.0);
glVertex3f (-0.58, 0.39, 0.0);

glVertex3f (-0.58, 0.39, 0.0);
glVertex3f (-0.60, 0.39, 0.0);

glVertex3f (-0.60, 0.39, 0.0);
glVertex3f (-0.60, 0.30, 0.0);

glEnd ();
//jari kanan atas
glPushMatrix ();
glLineWidth (1.9f);
glBegin (GL_LINES);
glBegin (GL_POLYGON);
glColor3f (1.0, 1.0, 1.0);

glVertex3f (0.60, 0.30, 0.0);
glVertex3f (0.58, 0.30, 0.0);

glVertex3f (0.58, 0.30, 0.0);
glVertex3f (0.58, 0.39, 0.0);

glVertex3f (0.58, 0.39, 0.0);
glVertex3f (0.60, 0.39, 0.0);

glVertex3f (0.60, 0.39, 0.0);
glVertex3f (0.60, 0.30, 0.0);

glEnd ();

//jari kanan tengah
glPushMatrix ();
glLineWidth (1.9f);
glBegin (GL_LINES);
glBegin (GL_POLYGON);
glColor3f (1.0, 1.0, 1.0);

glVertex3f (0.70, 0.00, 0.0);
glVertex3f (0.68, 0.00, 0.0);

glVertex3f (0.68, 0.00, 0.0);
glVertex3f (0.68, -0.07, 0.0);

glVertex3f (0.68, -0.07, 0.0);
glVertex3f (0.70, -0.07, 0.0);

glVertex3f (0.70, -0.07, 0.0);
glVertex3f (0.70, 0.00, 0.0);

glEnd ();

//jari kiri tengah
glPushMatrix ();
glLineWidth (1.9f);
glBegin (GL_LINES);
glBegin (GL_POLYGON);
glColor3f (1.0, 1.0, 1.0);

glVertex3f (-0.70, -0.00, 0.0);
glVertex3f (-0.68, -0.00, 0.0);

glVertex3f (-0.68, -0.00, 0.0);
glVertex3f (-0.68, -0.07, 0.0);

glVertex3f (-0.68, -0.07, 0.0);
glVertex3f (-0.70, -0.07, 0.0);

glVertex3f (-0.70, -0.07, 0.0);
glVertex3f (-0.70, -0.00, 0.0);

glEnd ();

//mata kanan
glPushMatrix ();
glLineWidth (1.9f);
glBegin (GL_LINES);
glBegin (GL_POLYGON);
glColor3f (0.4, 0.4, 0.4);

glVertex3f (0.10, 0.43, 0.0);
glVertex3f (0.05, 0.43, 0.0);

glVertex3f (0.05, 0.43, 0.0);
glVertex3f (0.05, 0.45, 0.0);

glVertex3f (0.05, 0.45, 0.0);
glVertex3f (0.10, 0.45, 0.0);

glVertex3f (0.10, 0.45, 0.0);
glVertex3f (0.10, 0.43, 0.0);

glEnd ();

//mata kiri
glPushMatrix ();
glLineWidth (1.9f);
glBegin (GL_LINES);
glBegin (GL_POLYGON);
glColor3f (0.4, 0.4, 0.4);

glVertex3f (-0.10, 0.43, 0.0);
glVertex3f (-0.05, 0.43, 0.0);

glVertex3f (-0.05, 0.43, 0.0);
glVertex3f (-0.05, 0.45, 0.0);

glVertex3f (-0.05, 0.45, 0.0);
glVertex3f (-0.10, 0.45, 0.0);

glVertex3f (-0.10, 0.45, 0.0);
glVertex3f (-0.10, 0.43, 0.0);

glEnd ();

//mulut
glPushMatrix ();
glLineWidth (1.9f);
glBegin (GL_LINES);
glBegin (GL_POLYGON);
glColor3f (0.4, 0.4, 0.4);

glVertex3f (-0.02, 0.35, 0.0);
glVertex3f (0.02, 0.35, 0.0);

glVertex3f (0.02, 0.35, 0.0);
glVertex3f (0.02, 0.37, 0.0);

glVertex3f (0.02, 0.37, 0.0);
glVertex3f (-0.02, 0.37, 0.0);

glVertex3f (-0.02, 0.37, 0.0);
glVertex3f (-0.02, 0.35, 0.0);

glEnd ();
    glFlush();
}



void display() {
drawCircle(0,0,0.3);
glColor3f (255/255, 255/255, 255/255);
drawCircle(0,0.40,0.15);
}


int main(int argc, char **argv){
    glutInit(&argc,argv);
    glutInitWindowSize(800,800);
    glutInitWindowPosition(100,100);//jarak windows dari tepi monitor

    glutCreateWindow("laba-laba");
    glutDisplayFunc(display);
    glutMainLoop();//mulai render
    return 0;
}




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Ahmad Asif Qolbi Post Author

Ahmad Asif Qolbi

Terimakasih telah membaca artikel Gambar Laba-Laba Sederhana dengan OpenGL Anda bisa bookmark halaman ini dengan URL http://keminclong.blogspot.com/2014/11/gambar-laba-laba-sederhana-dengan-opengl.html .
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