private void DrawStar(Star star)
{
//sačuvaj poziciju
Gl.glPushMatrix();
rotateSphereOrbit(star.Orbit);
goToPosition(star.CurrentPosition);
if (Eye.LookingAt == star)
{
Eye.LookAt = new Position3D(star.CurrentPosition.Angle, star.CurrentPosition.Distance);
if (tracking)
{
Eye.LookingAt = star;
}
}
if (Eye.LookingFrom == star)
{
Eye.Position = new Position3D(star.CurrentPosition.Angle, star.CurrentPosition.Distance);
Eye.Position.Distance += star.Radius * 1.5;
if (tracking)
{
Eye.LookingFrom = star;
}
}
foreach (Planet pl in star.Planets)
{
DrawPlanet(pl, star);
}
// Create light components
float[] ambientLight = { 0.2f, 0.2f, 0.2f, 1.0f };
float[] diffuseLight = { 0.7f, 0.7f, 0.7f, 1.0f };
float[] specularLight = { 0.3f, 0.3f, 0.3f, 1.0f };
float[] position = getFloatArrayOfCoordinates(star.CurrentPosition);
// Assign created components to GL_LIGHT0
Gl.glLightfv(Gl.GL_LIGHT0, Gl.GL_AMBIENT, ambientLight);
Gl.glLightfv(Gl.GL_LIGHT0, Gl.GL_DIFFUSE, diffuseLight);
Gl.glLightfv(Gl.GL_LIGHT0, Gl.GL_SPECULAR, specularLight);
Gl.glLightfv(Gl.GL_LIGHT0, Gl.GL_POSITION, position);
//Gl.glLightfv(Gl.GL_LIGHT0, Gl.GL_POSITION, light);
SetMaterialForSun(star.Color, star.Shinines.ToFloat());
if (drawCoordinates)
{
drawCoordinateSystem(star.Radius);
}
Gl.glMaterialf(Gl.GL_FRONT, Gl.GL_SHININESS, star.Shinines.ToFloat());
drawSphere(star);
ReSetMaterialForSun();
// vrati poziciju
Gl.glPopMatrix();
}
private Star CreateStarFromData(StarData data, float distanceSc, float StarSc, float planetSc, float moonDistSc)
{
Orbit orbit = new Orbit(data.DaysForRevolution, new Ecliptic(data.DistanceFromCenter,data.EclipticEccentrity), new SpatialAngle(data.EclipseAngleX, data.EclipticInclination), data.StartAngle);
Sphere sphere = new Sphere(data.Radius / StarSc, data.Color, new Position3D(new SpatialAngle(0, data.StartAngle), data.DistanceFromCenter / distanceSc), data.Name);
Star star = new Star(sphere, data.Shinines);
star.Orbit = orbit;
if (data.Planets != null)
{
foreach (PlanetData planet in data.Planets)
{
star.Planets.Add(CreatePlanetFromData(planet, distanceSc, planetSc, moonDistSc));
}
}
return star;
}
private void DrawPlanet(Planet planet, Star star)
{
Gl.glPushMatrix();
rotateSphereOrbit(planet.Orbit);
goToCenterOfOrbit(planet.Orbit);
goToPosition(planet.CurrentPosition);
if (drawCoordinates)
{
SetMaterialForSun(planet.Color, 1);
Gl.glRasterPos3f((planet.Radius*1.5).ToFloat(), 0, 0);
text(planet.Name);
ReSetMaterialForSun();
}
if (Eye.LookingAt == planet)
{
SpatialAngle planetAngle = new SpatialAngle(
planet.CurrentPosition.Angle.Horizontal + planet.Orbit.Up.Horizontal,
planet.CurrentPosition.Angle.Vertical + planet.Orbit.Up.Vertical);
Eye.LookAt = new Position3D(planetAngle, planet.CurrentPosition.Distance);
if (tracking)
{
Eye.LookingAt = planet;
}
}
if (Eye.LookingFrom == planet)
{
SpatialAngle planetAngle = new SpatialAngle(
planet.CurrentPosition.Angle.Horizontal + planet.Orbit.Up.Horizontal + star.Orbit.Up.Horizontal,
planet.CurrentPosition.Angle.Vertical + planet.Orbit.Up.Vertical + star.Orbit.Up.Vertical);
Eye.Position = new Position3D(planetAngle, planet.CurrentPosition.Distance + planet.Radius * 5);
if (tracking)
{
Eye.LookingFrom = planet;
}
}
rotatePlanetAxis(planet);
foreach (Planet s in planet.Satelites)
{
DrawPlanet(s, star);
}
Gl.glRotated(planet.CurrentRotationAngle * 180 / Math.PI, 1, 0, 0);
SetMaterialForPlanet(planet, star.Shinines.ToFloat());
if (drawCoordinates)
{
drawCoordinateSystem(planet.Radius);
}
drawSphere(planet);
if (planet.Rings != null)
{
SetMaterialForPlanet(planet, (star.Shinines / 10f).ToFloat());
Gl.glRotated(90, 0, 1, 0);
foreach (Projektni_zadatak.Bodies.Ring r in planet.Rings)
{
drawDisc(r);
}
}
//Glut.glutWireCone(planet.Radius, planet.Radius, 30, 30);
ReSetMaterialForPlanet();
Gl.glPopMatrix();
}
