/// <summary>
/// Iscrtavanje OpenGL kontrole.
/// </summary>
public void Draw()
{
Gl.glClear(Gl.GL_COLOR_BUFFER_BIT | Gl.GL_DEPTH_BUFFER_BIT);
// TODO 2.1: skaliranje i translacija balona na scenu
Gl.glPushMatrix();
Gl.glTranslatef(0.0f, 0.0f, -m_sceneDistance);
Gl.glRotatef(m_xRotation, 1.0f, 0.0f, 0.0f);
Gl.glRotatef(m_yRotation, 0.0f, 1.0f, 0.0f);
Gl.glScalef(35.0f, 35.0f, 35.0f);
// da gleda sa strane gde se vide i antena i balon i prednja strana
Glu.gluLookAt(0.0f, 0.0f, 0.0f,
-1.0f, 0.0f, -1.0f,
0.0f, 1.0f, 0.0f);
Gl.glPushMatrix();
Gl.glTranslated(SunX, SunY, SunZ);
Gl.glColor3ub(255, 255, 102);
// fiksiranje izvora svetlosti na sunce
Gl.glLightfv(Gl.GL_LIGHT0, Gl.GL_POSITION, new float[] { (float)SunX, (float)SunY, (float)SunZ, 1.0f });
Glu.gluSphere(m_gluObj, 15.0f, 128, 128); // sun
Gl.glPopMatrix();
Gl.glPushMatrix();
Gl.glColor3ub(0, 255, 0);
Gl.glTranslated(GreenX, GreenY, GreenZ);
Gl.glLightfv(Gl.GL_LIGHT2, Gl.GL_POSITION, new float[] { (float)GreenX, (float)GreenY, (float)GreenZ, 1.0f });
Glu.gluSphere(m_gluObj, 5.0f, 128, 128); // green light
Gl.glLightfv(Gl.GL_LIGHT2, Gl.GL_SPOT_DIRECTION, new float[] { 0.0f, -1.0f, 0.0f });
Gl.glPopMatrix();
// balloon model draw at world.....
Gl.glPushMatrix();
Gl.glScalef(BallonScale * 0.01f, BallonScale * 0.01f, BallonScale * 0.01f);
if (MainForm.BALOON_TYPE != 0)
{
Gl.glScalef(BallonScale + 100.0f, BallonScale + 100.0f, BallonScale + 100.0f); //za drugi model
}
else
{
Gl.glTranslated(m_balloon.X, m_balloon.Y, m_balloon.Z); // za prvi model
}
Gl.glTexEnvi(Gl.GL_TEXTURE_ENV, Gl.GL_TEXTURE_ENV_MODE, Gl.GL_ADD); // nacin stapanja GL_ADD za model
Gl.glRotatef(BallonRotation, 0.0f, 1.0f, 0.0f); // rotiraj oko svoje ose balon
m_balloon.Draw();
Gl.glTexEnvi(Gl.GL_TEXTURE_ENV, Gl.GL_TEXTURE_ENV_MODE, Gl.GL_DECAL); // nacin stapanja
Gl.glPopMatrix();
// TODO 2.2: postavljanje balona ispred hangara, tako sto postavljam hangar iza balona :))
Gl.glPushMatrix();
Gl.glTranslatef(20.0f, -20.0f, -60.0f);
Gl.glScalef(4.0f, 4.0f, 4.0f);
Gl.glColor3ub(255, 255, 102); // zutom da iscrta antenu i drzac- zlatna
m_hangar.Draw();
Gl.glPopMatrix();
// terrain load
m_terrain.Draw();
Gl.glPopMatrix();
writeVectorText();
// Oznaci kraj iscrtavanja
Gl.glFlush();
}