OpenGL merupakan singkatan dari Open Graphics Library. OpenGL itu sendiri merupakan spesifikasi standar yang mendefinisikan suatu lintas bahasa untuk mengembangkan suatu aplikasi yang menghasilkan suatu grafis komputer dalam bentuk 2D ataupun 3D.
Membuat Garis Vertikal
Source Code :
glClearColor (1.1f, 0.0f, 1.1f, 1.2f);
glClear (GL_COLOR_BUFFER_BIT);
glPointSize(5.0f); glBegin(GL_POINTS);
glPushMatrix ();
glClearColor(1,1,1,0);
glColor3f(0,1,0);
glBegin(GL_POINTS);
glVertex3f(0,0,-0.0);
glVertex3f(0.0,0.9,0.0);
glVertex3f(0.0,0.8,0.0); glVertex3f(0.0,0.7,0.0); glVertex3f(0.0,0.6,0.0);
glVertex3f(0.0,0.5,0.0); glVertex3f(0.0,0.4,0.0); glVertex3f(0.0,0.3,0.0);
glVertex3f(0.0,0.2,0.0); glVertex3f(0.0,0.1,0.0);
glEnd ();
glPopMatrix ();
SwapBuffers (hDC);
Sleep (1);
}
}
Output :
Membuat Garis Horizontal
Source Code :
glClearColor (1.1f, 0.0f, 1.1f, 1.2f);
glClear (GL_COLOR_BUFFER_BIT);
glPointSize(5.0f); glBegin(GL_POINTS);
glPushMatrix ();
glClearColor(1,1,1,0);
glColor3f(0,1,0);
glBegin(GL_POINTS);
glVertex3f(0,0,-0.0);
glVertex3f(0.9,0.0,0.0);
glVertex3f(0.8,0.0,0.0); glVertex3f(0.7,0.0,0.0); glVertex3f(0.6,0.0,0.0);
glVertex3f(0.5,0.0,0.0); glVertex3f(0.4,0.0,0.0); glVertex3f(0.3,0.0,0.0);
glVertex3f(0.2,0.0,0.0); glVertex3f(0.1,0.0,0.0);
glEnd ();
glPopMatrix ();
SwapBuffers (hDC);
Sleep (1);
}
}
Outputnya :
Membuat Garis Diagonal
Source Code :
glClearColor (9.1f, 0.0f, 0.1f, 0.1f);
glClear (GL_COLOR_BUFFER_BIT);
glPointSize(5.0f); glBegin(GL_POINTS);
glPushMatrix ();
glClearColor(1,1,1,0);
glColor3f(0,1,0);
glBegin(GL_POINTS);
glVertex3f(0,0,-0.0);
glVertex3f(0.9,0.9,0.0);
glVertex3f(0.8,0.8,0.0); glVertex3f(0.7,0.7,0.0); glVertex3f(0.6,0.6,0.0);
glVertex3f(0.5,0.5,0.0); glVertex3f(0.4,0.4,0.0); glVertex3f(0.3,0.3,0.0);
glVertex3f(0.2,0.2,0.0); glVertex3f(0.1,0.1,0.0);
glEnd ();
glPopMatrix ();
SwapBuffers (hDC);
Sleep (1);
}
}
Output :
Penjelasan :
- glClearColor (0.1f, 0.1f, 0.1f, 0.1f);[ Warna untuk latar belakang dalam mode RGBA ]
- glClear (GL_COLOR_BUFFER_BIT);[ Membersihkan layar latar belakang ]
- glPushMatrix ();[ Membuat baris kode menjadi tidak berlaku untuk bagian luar ]
- glClearColor(0,0,0,0);[ Untuk menentukan warna garis/titik ]
- glColor3f(1,1,1); //[ Untuk menentukan warna garis/titik ]
- glBegin(GL_LINES);[ Untuk menggambar garis dari titik yang digunakan ]
- glVertex3f(0,0,-0.0);[ Untuk menentukan titik awal yang digunakan ]
- glVertex3f(0.0,0.0,0.0);[Untuk menentukan titik akhir yang digunakan ]
- glEnd ();[ Untuk mengakhiri gambar garis di titik akhir ]
- glPopMatrix ();[ Membuat baris kode menjadi tidak berlaku untuk bagian luar ]
- SwapBuffers (hDC);[ Untuk menukar bagian belakang buffer menjadi buffer layar ]
- Sleep (1);[Program berhenti sejenak]
Nama : Hangger Hidayanto
Kelas : 3KA32
NPM : 13110111