public Vector3D GetForce(Point3D point)
{
Vector3D retVal = new Vector3D(0, 0, 0);
// If there is a swirl, then calculate it for this point
SwirlField swirl = this.Swirl; // can only hit the property once, it could be swapped out at any moment
if (swirl != null)
{
retVal += swirl.GetForce(point);
}
// Boundry field
BoundryField boundry = this.Boundry;
if (boundry != null)
{
retVal += boundry.GetForce(point);
}
// Grab the root for the remainder of this method (the public one could swap out at any moment)
var root = _fieldRoot;
if (root == null)
{
return(retVal);
}
if (!Math3D.IsInside_AABB(root.MinRange, root.MaxRange, point))
{
// The point is outside the root, so just assume no gravity (the root should have been big enough to surround all objects, so there shouldn't
// be any requests outside the root)
return(retVal);
}
// Recurse down, and get the leaf for this point
GravityCell cell = root.GetLeaf(point);
if (cell == null)
{
// There should be a leaf for all points within the tree. But rather than an exception, just assume zero force
return(retVal);
}
// Exit Function
return(retVal + cell.Force);
}
private void Window_Loaded(object sender, RoutedEventArgs e)
{
try
{
double terrainHeight = TERRAINRADIUS / 20d;
#region Load last save
_session = new FlyingBeanSession();
_options = new FlyingBeanOptions();
_itemOptions = new ItemOptions();
_panelFile = new PanelFile(null, _session, _options, _itemOptions, GetDefaultBeans());
_panelFile.SessionChanged += new EventHandler(PanelFile_SessionChanged);
if (!_panelFile.TryLoadLastSave(false))
{
_panelFile.New(false, false); // by calling new, all of the options initialization is done by the file panel instead of doing it here
}
#endregion
#region Winners
_winnerManager = new WinnerManager(_options.WinnersLive, _options.WinnerCandidates, _options.WinnersFinal, _options.FinalistCount);
#endregion
#region Init World
double boundryXY = TERRAINRADIUS * 1.25d;
_boundryMin = new Point3D(-boundryXY, -boundryXY, terrainHeight * -2d);
_boundryMax = new Point3D(boundryXY, boundryXY, TERRAINRADIUS * 25d);
_world = new World();
_world.Updating += new EventHandler<WorldUpdatingArgs>(World_Updating);
List<Point3D[]> innerLines, outerLines;
_world.SetCollisionBoundry(out innerLines, out outerLines, _boundryMin, _boundryMax);
// Draw the lines
_boundryLines = new ScreenSpaceLines3D(true)
{
Thickness = 1d,
Color = _colors.BoundryLines,
};
_viewport.Children.Add(_boundryLines);
foreach (Point3D[] line in innerLines)
{
_boundryLines.AddLine(line[0], line[1]);
}
#endregion
#region Materials
_materialManager = new MaterialManager(_world);
// Terrain
Game.Newt.v2.NewtonDynamics.Material material = new Game.Newt.v2.NewtonDynamics.Material();
material.Elasticity = .1d;
_material_Terrain = _materialManager.AddMaterial(material);
// Bean
material = new Game.Newt.v2.NewtonDynamics.Material();
_material_Bean = _materialManager.AddMaterial(material);
// Exploding Bean
material = new Game.Newt.v2.NewtonDynamics.Material();
material.IsCollidable = false;
_material_ExplodingBean = _materialManager.AddMaterial(material);
// Projectile
material = new Game.Newt.v2.NewtonDynamics.Material();
_material_Projectile = _materialManager.AddMaterial(material);
_materialManager.RegisterCollisionEvent(0, _material_Bean, Collision_BeanTerrain); // zero should be the boundry (it should be the default material if no other is applied)
_materialManager.RegisterCollisionEvent(_material_Terrain, _material_Bean, Collision_BeanTerrain);
_materialManager.RegisterCollisionEvent(_material_Bean, _material_Bean, Collision_BeanBean);
#endregion
#region Trackball
// Trackball
_trackball = new TrackBallRoam(_camera);
_trackball.KeyPanScale = 15d;
_trackball.EventSource = grdViewPort; //NOTE: If this control doesn't have a background color set, the trackball won't see events (I think transparent is ok, just not null)
_trackball.AllowZoomOnMouseWheel = true;
_trackball.Mappings.AddRange(TrackBallMapping.GetPrebuilt(TrackBallMapping.PrebuiltMapping.MouseComplete_NoLeft));
_trackball.Mappings.AddRange(TrackBallMapping.GetPrebuilt(TrackBallMapping.PrebuiltMapping.Keyboard_ASDW_In));
_trackball.ShouldHitTestOnOrbit = true;
_trackball.UserMovedCamera += new EventHandler<UserMovedCameraArgs>(Trackball_UserMovedCamera);
_trackball.GetOrbitRadius += new EventHandler<GetOrbitRadiusArgs>(Trackball_GetOrbitRadius);
#endregion
#region Map
_map = new Map(_viewport, null, _world)
{
SnapshotFequency_Milliseconds = 125,
SnapshotMaxItemsPerNode = 10,
ShouldBuildSnapshots = false,
ShouldShowSnapshotLines = false,
ShouldSnapshotCentersDrift = true,
};
_updateManager = new UpdateManager(
new Type[] { typeof(Bean) },
new Type[] { typeof(Bean) },
_map);
#endregion
#region Terrain
//TODO: Texture map this so it's not so boring
#region WPF Model (plus collision hull)
// Material
MaterialGroup materials = new MaterialGroup();
materials.Children.Add(new DiffuseMaterial(new SolidColorBrush(_colors.Terrain)));
materials.Children.Add(_colors.TerrainSpecular);
// Geometry Model
GeometryModel3D geometry = new GeometryModel3D();
geometry.Material = materials;
geometry.BackMaterial = materials;
geometry.Geometry = UtilityWPF.GetCylinder_AlongX(100, TERRAINRADIUS, terrainHeight);
CollisionHull hull = CollisionHull.CreateCylinder(_world, 0, TERRAINRADIUS, terrainHeight, null);
// Transform
Transform3DGroup transform = new Transform3DGroup(); // rotate needs to be added before translate
transform.Children.Add(new RotateTransform3D(new AxisAngleRotation3D(new Vector3D(0, 1, 0), -90)));
transform.Children.Add(new TranslateTransform3D(new Vector3D(0, 0, terrainHeight / -2d))); // I want the objects to be able to add to z=0
// Model Visual
ModelVisual3D model = new ModelVisual3D();
model.Content = geometry;
model.Transform = transform;
// Add to the viewport
_viewport.Children.Add(model);
#endregion
// Make a physics body that represents this shape
_terrain = new Body(hull, transform.Value, 0, new Visual3D[] { model }); // using zero mass tells newton it's static scenery (stuff bounces off of it, but it will never move)
hull.Dispose();
_terrain.MaterialGroupID = _material_Terrain;
#endregion
#region Fields
// gravity was done by the file panel
_radiation = new RadiationField()
{
AmbientRadiation = 0d,
};
_boundryField = new BoundryField(.5d, 7500d, 2d, _boundryMin, _boundryMax);
#endregion
// Doing this so that if they hit the import button, it will call a method in beantypes (not the best design, but it works)
_panelBeanTypes = new PanelBeanTypes(_options, _world);
_panelFile.BeanTypesPanel = _panelBeanTypes;
this.TotalBeansText = _options.TotalBeans.ToString("N0");
_world.UnPause();
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString(), this.Title, MessageBoxButton.OK, MessageBoxImage.Error);
}
}
