public Polyhedron(PolyhedronType type, int len)
{
edges = new List <List <int> >();
Edges = new List <Edge>();
var ss = SchlafliSymbol.schlafliSymbol[type.ToString()];
CountVertex = 4 * ss.Item1 / (4 - (ss.Item1 - 2) * (ss.Item2 - 2));
CountSegment = ss.Item2 * CountVertex / 2;
CountEdge = ss.Item2 * CountVertex / ss.Item1;
Type = type;
SegmentLength = len;
vertexes = new List <Point3D>();
switch (type)
{
case PolyhedronType.Tetrahedron:
BuildTetrahedron(len);
break;
case PolyhedronType.Hexahedron:
BuildHexahedron(len);
break;
case PolyhedronType.Octahedron:
BuildOctahedron(len);
break;
}
}
public SdlWindow(string title, int screenWidth, int screenHeight)
{
_title = title;
_screenHeight = screenHeight;
_screenWidth = screenWidth;
_currenPolyhedronType = PolyhedronType.ParallelepipedWithHole;
_visibleFacetDrawer = new VisibleFacetDrawer(NotVisibleLinesEnabled);
_notVisibleFacetDrawer = new NotVisibleFacetDrawer(NotVisibleLinesEnabled);
}
public static IPolyhedron3D CreatePolyhedron(
PolyhedronType type,
HomogeneousPoint3D geometricCenter,
HomogeneousPoint3D rotationCenter,
params double[] args)
{
switch (type)
{
case PolyhedronType.Parallelepiped:
return(CreateSingleSimplePolyhedron(
args[0], args[0], args[0],
geometricCenter,
rotationCenter));
case PolyhedronType.ParallelepipedWithHole:
return(CreateCompositePolyhedron(
args[0], args[0], args[0],
geometricCenter,
rotationCenter));
case PolyhedronType.ManyParallelepipeds:
return(CreateManySimplePolyhedrons(
args[0], args[0], args[0],
geometricCenter,
rotationCenter,
50));
case PolyhedronType.Cubes:
return(CreateCubes(
args[0] / 2, args[0] / 2, args[0] / 2,
geometricCenter,
rotationCenter));
default:
throw new ArgumentException($"No builder for type {type}");
}
}
/// <summary>
/// W, S - Rotate around OX;
/// A, D - Rotate around OY;
/// Q, E - Rotate around OZ;
/// Z, X - Rotate around custom vector;
/// R, F - Move observer forward / backwards;
/// NP_8, NP_2 - Move observer up / down;
/// NP_4, NP_6 - Move observer left / right;
/// T, G - Move display forward / backwards;
/// M - Enable / disable invisible lines;
/// O - Single object scene (SOS);
/// P - Multiple objects scene (MOS).
/// 1-4 - Switch figures (SOS), add figures (MOS);
/// </summary>
private void WindowProcedure()
{
bool exit = false;
while (!exit)
{
SDL.SDL_Event sdlEvent;
SDL.SDL_PollEvent(out sdlEvent);
switch (sdlEvent.type)
{
case SDL.SDL_EventType.SDL_QUIT:
{
exit = true;
break;
}
case SDL.SDL_EventType.SDL_KEYDOWN:
{
var key = sdlEvent.key;
switch (key.keysym.sym)
{
case SDL.SDL_Keycode.SDLK_w:
_scene.RotateAroundAxis(Axis3D.OX, -_rotationAngle);
break;
case SDL.SDL_Keycode.SDLK_s:
_scene.RotateAroundAxis(Axis3D.OX, _rotationAngle);
break;
case SDL.SDL_Keycode.SDLK_a:
_scene.RotateAroundAxis(Axis3D.OY, _rotationAngle);
break;
case SDL.SDL_Keycode.SDLK_d:
_scene.RotateAroundAxis(Axis3D.OY, -_rotationAngle);
break;
case SDL.SDL_Keycode.SDLK_q:
_scene.RotateAroundAxis(Axis3D.OZ, -_rotationAngle);
break;
case SDL.SDL_Keycode.SDLK_e:
_scene.RotateAroundAxis(Axis3D.OZ, _rotationAngle);
break;
case SDL.SDL_Keycode.SDLK_z:
_scene.RotateAroundVector(-_rotationAngle);
break;
case SDL.SDL_Keycode.SDLK_x:
_scene.RotateAroundVector(_rotationAngle);
break;
case SDL.SDL_Keycode.SDLK_r:
_scene.MoveObserverTo(new HomogeneousPoint3D(0, 0, _observerMoveStep, 1));
break;
case SDL.SDL_Keycode.SDLK_f:
_scene.MoveObserverTo(new HomogeneousPoint3D(0, 0, -_observerMoveStep, 1));
break;
case SDL.SDL_Keycode.SDLK_KP_8:
_scene.MoveObserverTo(new HomogeneousPoint3D(0, -_observerMoveStep, 0, 1));
break;
case SDL.SDL_Keycode.SDLK_KP_2:
_scene.MoveObserverTo(new HomogeneousPoint3D(0, _observerMoveStep, 0, 1));
break;
case SDL.SDL_Keycode.SDLK_KP_6:
_scene.MoveObserverTo(new HomogeneousPoint3D(_observerMoveStep, 0, 0, 1));
break;
case SDL.SDL_Keycode.SDLK_KP_4:
_scene.MoveObserverTo(new HomogeneousPoint3D(-_observerMoveStep, 0, 0, 1));
break;
case SDL.SDL_Keycode.SDLK_t:
_scene.MoveDisplay(_displayMoveStep);
break;
case SDL.SDL_Keycode.SDLK_g:
_scene.MoveDisplay(-_displayMoveStep);
break;
case SDL.SDL_Keycode.SDLK_m:
_notVisibleFacetDrawer.Enabled = !_notVisibleFacetDrawer.Enabled;
_visibleFacetDrawer.EnabledNotVisibleParts = !_visibleFacetDrawer.EnabledNotVisibleParts;
break;
case SDL.SDL_Keycode.SDLK_1:
_currenPolyhedronType = PolyhedronType.Parallelepiped;
AddObjectToScene();
break;
case SDL.SDL_Keycode.SDLK_2:
_currenPolyhedronType = PolyhedronType.ParallelepipedWithHole;
AddObjectToScene();
break;
case SDL.SDL_Keycode.SDLK_3:
_currenPolyhedronType = PolyhedronType.ManyParallelepipeds;
AddObjectToScene();
break;
case SDL.SDL_Keycode.SDLK_4:
_currenPolyhedronType = PolyhedronType.Cubes;
AddObjectToScene();
break;
case SDL.SDL_Keycode.SDLK_p:
InitializeMultipleObjectsScene();
break;
case SDL.SDL_Keycode.SDLK_o:
InitializeSingleObjectScene();
break;
}
break;
}
}
RenderScene();
Thread.Sleep(_renderLoopTimeoutMs);
}
}
