private Point3D GetWorldCenterMass(Body body)
{
ConvexBody3D bodyCast = body as ConvexBody3D;
if (bodyCast == null)
{
throw new ApplicationException("Couldn't cast body as a ConvexBody3D: " + body.ToString());
}
//TODO: Put this in a property off of convexbody
//// Get the center of mass in model coords
//Point3D centerMass = bodyCast.CenterOfMass;
//Vector3D retVal = new Vector3D(centerMass.X, centerMass.Y, centerMass.Z);
//// Transform that into world coords
//body.VisualMatrix.Transform(retVal);
return(body.VisualMatrix.Transform(bodyCast.CenterOfMass));
// Exit Function
//return retVal;
}
/// <summary>
/// Set the properties, then call create
/// NOTE: This adds itself to the viewport and world. In the future, that should be handled by the caller
/// </summary>
public void CreateAsteroid(MaterialManager materialManager, Map map, SharedVisuals sharedVisuals, Vector3D position)
{
_map = map;
#region WPF Model
// Material
MaterialGroup materials = new MaterialGroup();
materials.Children.Add(new DiffuseMaterial(Brushes.Gray));
materials.Children.Add(new SpecularMaterial(Brushes.Silver, 100d));
// Geometry Model
GeometryModel3D geometry = new GeometryModel3D();
geometry.Material = materials;
geometry.BackMaterial = materials;
geometry.Geometry = sharedVisuals.AsteroidMesh;
geometry.Transform = new ScaleTransform3D(_radius, _radius, _radius);
// Model Visual
ModelVisual3D model = new ModelVisual3D();
model.Content = geometry;
model.Transform = new TranslateTransform3D(position);
// Add to the viewport
_visuals.Add(model);
_map.Viewport.Children.Add(model);
#endregion
#region Physics Body
// Make a physics body that represents this shape
_physicsBody = new ConvexBody3D(_map.World, model);
//_physicsBody = new ConvexBody3D(_map.World, model, ConvexBody3D.CollisionShape.Sphere, _radius, _radius, _radius); // for some reason, this is throwing an exception. debug it
_physicsBody.MaterialGroupID = materialManager.AsteroidMaterialID;
_physicsBody.NewtonBody.UserData = this;
_physicsBody.Mass = Convert.ToSingle(_mass);
_physicsBody.LinearDamping = .01f;
_physicsBody.AngularDamping = new Vector3D(.01f, .01f, .01f);
_physicsBody.Override2DEnforcement_Rotation = true;
_physicsBody.ApplyForce += new BodyForceEventHandler(Body_ApplyForce);
#endregion
// Add to the map
_map.AddItem(this);
}
private void CreateCube(Color color, Point3D location)
{
#region WPF Model
// Material
MaterialGroup materials = new MaterialGroup();
materials.Children.Add(new DiffuseMaterial(new SolidColorBrush(color)));
materials.Children.Add(new SpecularMaterial(Brushes.White, 100d));
// Geometry Model
GeometryModel3D geometry = new GeometryModel3D();
geometry.Material = materials;
geometry.Geometry = UtilityWPF.GetCube(1d);
//geometry.Geometry = UtilityWPF.GetRectangle3D()
// Transform
Transform3DGroup transform = new Transform3DGroup(); // rotate needs to be added before translate
//transform.Children.Add(new RotateTransform3D(new AxisAngleRotation3D(Math3D.GetRandomVectorSpherical(_rand, 10), Math3D.GetNearZeroValue(_rand, 360d))));
transform.Children.Add(new TranslateTransform3D(location.ToVector()));
// Model Visual
ModelVisual3D model = new ModelVisual3D();
model.Content = geometry;
model.Transform = transform;
#endregion
// Add to the viewport
_viewport.Children.Add(model);
// Make a physics body that represents this cube
ConvexBody3D body = new ConvexBody3D(_world, model);
body.Mass = 1f;
_cubes.Add(body);
}
public void CreateMineral(MaterialManager materialManager, Map map, SharedVisuals sharedVisuals, Vector3D position, bool randomOrientation, double volumeInCubicMeters)
{
_map = map;
_sharedVisuals = sharedVisuals;
if (_mineralType == MineralType.Custom)
{
#region Validate
if (_numSides < 3)
{
throw new ApplicationException("The number of sides must at least be 3");
}
if (_rings.Count == 0)
{
throw new ApplicationException("Need at least one ring");
}
#endregion
}
else
{
// Overwrite my public properties based on the mineral type
StoreSettingsForMineralType(volumeInCubicMeters);
}
RotateTransform3D randomRotation = null;
if (randomOrientation)
{
randomRotation = new RotateTransform3D(new AxisAngleRotation3D(Math3D.GetRandomVector_Spherical(1d), Math1D.GetNearZeroValue(360d)));
}
if (_mineralType == MineralType.Rixium)
{
#region Rixium Visuals
Model3DGroup ringModels = new Model3DGroup();
ringModels.Children.Add(GetRixiumTorusVisual(new Vector3D(0, 0, -.6), .38, .5, randomRotation));
ringModels.Children.Add(GetRixiumTorusVisual(new Vector3D(0, 0, -.3), .44, .75, randomRotation));
ringModels.Children.Add(GetRixiumTorusVisual(new Vector3D(0, 0, 0), .5, 1, randomRotation));
ringModels.Children.Add(GetRixiumTorusVisual(new Vector3D(0, 0, .3), .44, .75, randomRotation));
ringModels.Children.Add(GetRixiumTorusVisual(new Vector3D(0, 0, .6), .38, .5, randomRotation));
//TODO: Look at the global lighting options
PointLight pointLight = new PointLight();
pointLight.Color = Color.FromArgb(255, 54, 147, 168);
pointLight.Range = 20;
pointLight.LinearAttenuation = .33;
ringModels.Children.Add(pointLight);
ModelVisual3D ringModel = new ModelVisual3D(); // this is the expensive one, so as few of these should be made as possible
ringModel.Content = ringModels;
_visuals.Add(ringModel);
_map.Viewport.Children.Add(ringModel);
#endregion
}
#region WPF Model
// Material
MaterialGroup materials = new MaterialGroup();
if (_diffuseColor.A > 0)
{
materials.Children.Add(new DiffuseMaterial(new SolidColorBrush(_diffuseColor)));
}
if (_specularColor.A > 0)
{
materials.Children.Add(new SpecularMaterial(new SolidColorBrush(_specularColor), _specularPower));
}
if (_emissiveColor.A > 0)
{
materials.Children.Add(new EmissiveMaterial(new SolidColorBrush(_emissiveColor)));
}
// Geometry Model
GeometryModel3D geometry = new GeometryModel3D();
geometry.Material = materials;
geometry.BackMaterial = materials;
if (_mineralType == MineralType.Custom)
{
geometry.Geometry = UtilityWPF.GetMultiRingedTube_ORIG(_numSides, _rings, false, true);
}
else
{
geometry.Geometry = _sharedVisuals.GetMineralMesh(_mineralType);
}
if (randomOrientation)
{
geometry.Transform = randomRotation;
}
// Model Visual
ModelVisual3D model = new ModelVisual3D();
model.Content = geometry;
model.Transform = new TranslateTransform3D(position);
// Add to the viewport
_visuals.Add(model);
_map.Viewport.Children.Add(model);
#endregion
#region Physics Body
// Make a physics body that represents this shape
_physicsBody = new ConvexBody3D(_map.World, model);
_physicsBody.MaterialGroupID = materialManager.MineralMaterialID;
_physicsBody.NewtonBody.UserData = this;
_physicsBody.Mass = Convert.ToSingle(_mass);
_physicsBody.LinearDamping = .01f;
_physicsBody.AngularDamping = new Vector3D(.01f, .01f, .01f);
_physicsBody.Override2DEnforcement_Rotation = true;
_physicsBody.ApplyForce += new BodyForceEventHandler(Body_ApplyForce);
#endregion
// Add to the map
_map.AddItem(this);
}
public PointVisualizer(Viewport3D viewport, SharedVisuals sharedVisuals, ConvexBody3D physicsBody)
: this(viewport, sharedVisuals)
{
_physicsBody = physicsBody;
}
private void Body_ApplyForce(Body sender, BodyForceEventArgs e)
{
ConvexBody3D senderCast = sender as ConvexBody3D;
if (senderCast == null)
{
return;
}
#region Boundry Force
Vector3D positionWorld = senderCast.PositionToWorld(senderCast.CenterOfMass).ToVector();
// Just using one property from boundry assumes the boundry is square, and max is positive
double boundryMax = _boundryMax.X;
double maxDistance = _boundryMax.X * .85d;
if (positionWorld.LengthSquared > maxDistance * maxDistance)
{
// Get the distance from the max distance
double distFromMax = positionWorld.Length - maxDistance; // wait till now to do the expensive operation.
// I want an acceleration of zero when distFromMax is 1, but an accel of 10 when it's boundryMax
//NOTE: _boundryMax.X is to the edge of the box. If they are in the corner the distance will be greater, so the accel will be greater
double accel = UtilityCore.GetScaledValue(0, 30, 0, boundryMax - maxDistance, distFromMax);
// Apply a force
Vector3D force = positionWorld;
force.Normalize();
force *= accel * senderCast.Mass * -1d;
e.AddForce(force);
}
#endregion
#region Gravity
if (_hasGravity)
{
//TODO: Attract all other objects to the asteroids
if (senderCast.MaterialGroupID == _materialManager.AsteroidMaterialID && _asteroidGravityForces.ContainsKey(senderCast))
{
e.AddForce(_asteroidGravityForces[senderCast]);
}
else if (senderCast.MaterialGroupID == _materialManager.ShipMaterialID && _asteroidGravityForces.Keys.Count > 0) // the asteroids only attract every few frames. If I attract every frame, the forces are unbalanced, and the ship ends up propelling the asteroid around
{
#region Ship to asteroids
Point3D shipPos = senderCast.PositionToWorld(senderCast.CenterOfMass);
double shipMass = senderCast.Mass;
Vector3D gravityForce = new Vector3D(0, 0, 0);
foreach (Asteroid asteroid in _asteroids)
{
#region Apply Gravity
Vector3D gravityLink = shipPos - asteroid.PositionWorld;
double force = GRAVITATIONALCONSTANT * (asteroid.Mass * shipMass) / gravityLink.LengthSquared;
gravityLink.Normalize();
gravityLink *= force;
//_asteroidGravityForces[_asteroids[innerCntr].PhysicsBody] += gravityLink;
gravityForce -= gravityLink;
#endregion
}
e.AddForce(gravityForce);
#endregion
}
}
#endregion
#region Set Velocities
if (_setVelocityArgs != null)
{
_hasSetVelocities = true;
// See if the velocity should be set for this type of object
bool shouldSetVelocity = false;
if (_setVelocityArgs.Asteroids && senderCast.MaterialGroupID == _materialManager.AsteroidMaterialID)
{
shouldSetVelocity = true;
}
else if (_setVelocityArgs.Minerals && senderCast.MaterialGroupID == _materialManager.MineralMaterialID)
{
shouldSetVelocity = true;
}
if (shouldSetVelocity)
{
// Figure out the velocity
Vector3D velocity = new Vector3D(0, 0, 0);
Vector3D angularVelocity = new Vector3D(0, 0, 0);
if (_setVelocityArgs.Speed > 0d)
{
velocity = Math3D.GetRandomVector_Spherical(_setVelocityArgs.Speed);
angularVelocity = Math3D.GetRandomVector_Spherical(_setVelocityArgs.Speed / 10d);
if (_setVelocityArgs.IsRandom)
{
double halfSpeed = _setVelocityArgs.Speed / 2d;
if (velocity.Length < halfSpeed)
{
// It's going too slow, choose a new speed between half and full
velocity.Normalize();
double newSpeed = halfSpeed + (StaticRandom.NextDouble() * halfSpeed);
velocity *= newSpeed;
}
}
else
{
// GetRandomVectorSpherical returns random, but this should be fixed
velocity.Normalize();
velocity *= _setVelocityArgs.Speed;
}
}
// Set it (and clear rotation)
senderCast.Omega = angularVelocity;
senderCast.Velocity = velocity;
}
}
#endregion
}
private void btnAdd_Click(object sender, RoutedEventArgs e)
{
const double MINRATIO = .25d;
const double MAXRATIO = 2d;
const double MINMASS = .9d;
const double MAXMASS = 5d;
try
{
double ratioX, ratioY, ratioZ;
if (chkRandomRatios.IsChecked.Value)
{
ratioX = UtilityCore.GetScaledValue(MINRATIO, MAXRATIO, 0d, 1d, StaticRandom.NextDouble());
ratioY = UtilityCore.GetScaledValue(MINRATIO, MAXRATIO, 0d, 1d, StaticRandom.NextDouble());
ratioZ = UtilityCore.GetScaledValue(MINRATIO, MAXRATIO, 0d, 1d, StaticRandom.NextDouble());
}
else
{
ratioX = UtilityCore.GetScaledValue(MINRATIO, MAXRATIO, trkX.Minimum, trkX.Maximum, trkX.Value);
ratioY = UtilityCore.GetScaledValue(MINRATIO, MAXRATIO, trkY.Minimum, trkY.Maximum, trkY.Value);
ratioZ = UtilityCore.GetScaledValue(MINRATIO, MAXRATIO, trkZ.Minimum, trkZ.Maximum, trkZ.Value);
}
#region WPF Model
// Material
MaterialGroup materials = new MaterialGroup();
materials.Children.Add(new DiffuseMaterial(new SolidColorBrush(UtilityWPF.GetRandomColor(64, 192))));
materials.Children.Add(new SpecularMaterial(Brushes.White, 100d));
// Geometry Model
GeometryModel3D geometry = new GeometryModel3D();
geometry.Material = materials;
geometry.BackMaterial = materials;
geometry.Geometry = UtilityWPF.GetCube(new Point3D(-ratioX, -ratioY, -ratioZ), new Point3D(ratioX, ratioY, ratioZ));
//geometry.Geometry = UtilityWPF.GetRectangle3D()
// Transform
Transform3DGroup transform = new Transform3DGroup(); // rotate needs to be added before translate
transform.Children.Add(new RotateTransform3D(new AxisAngleRotation3D(Math3D.GetRandomVector_Spherical(10), Math1D.GetNearZeroValue(360d))));
transform.Children.Add(new TranslateTransform3D(Math3D.GetRandomVector(_boundryMin, _boundryMax)));
// Model Visual
ModelVisual3D model = new ModelVisual3D();
model.Content = geometry;
model.Transform = transform;
#endregion
// Add to the viewport
_viewport.Children.Add(model);
// Make a physics body that represents this cube
ConvexBody3D body = new ConvexBody3D(_world, model);
if (chkConstantMass.IsChecked.Value)
{
body.Mass = 1f;
}
else
{
// If I try to be realistic, then it's boring, so I'll scale the result. (density shrinks a bit as things get larger)
double mass = ratioX * ratioY * ratioZ;
mass = UtilityCore.GetScaledValue(MINMASS, MAXMASS, Math.Pow(MINRATIO, 3), Math.Pow(MAXRATIO, 3), mass);
body.Mass = Convert.ToSingle(mass);
}
body.LinearDamping = .01f;
body.AngularDamping = new Vector3D(.01f, .01f, .01f);
//TODO: Make this work
//body.Velocity =
//needed?
//_world.AddBody(body);
body.ApplyForce += new BodyForceEventHandler(Body_ApplyForce);
_cubes.Add(body);
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString(), this.Title, MessageBoxButton.OK, MessageBoxImage.Error);
}
}
/// <summary>
/// Set the properties, then call create
/// NOTE: This adds itself to the viewport and world. In the future, that should be handled by the caller
/// </summary>
public void CreateShip(MaterialManager materialManager, SharedVisuals sharedVisuals, Map map, ProgressBarGame progressBarCargo, ProgressBarGame progressBarFuel)
{
const double THRUSTLINELENGTH = .5d;
const double THRUSTLINELENGTH_EXTRA = .75d;
const double THRUSTLINELENGTH_TURN = .3;
_sharedVisuals = sharedVisuals;
_map = map;
_progressBarCargo = progressBarCargo;
_progressBarFuel = progressBarFuel;
#region Thrusters
// These need to be definded before the visuals are created
double radians = Math1D.DegreesToRadians(225);
_thrusterOffset_BottomLeft = new Vector3D(this.RadiusX * Math.Cos(radians), this.RadiusY * Math.Sin(radians), 0);
radians = Math1D.DegreesToRadians(135);
_thrusterOffset_TopLeft = new Vector3D(this.RadiusX * Math.Cos(radians), this.RadiusY * Math.Sin(radians), 0);
radians = Math1D.DegreesToRadians(315);
_thrusterOffset_BottomRight = new Vector3D(this.RadiusX * Math.Cos(radians), this.RadiusY * Math.Sin(radians), 0);
radians = Math1D.DegreesToRadians(45);
_thrusterOffset_TopRight = new Vector3D(this.RadiusX * Math.Cos(radians), this.RadiusY * Math.Sin(radians), 0);
_thrustForce = 100d;
_torqueballLeftRightThrusterForce = -10d;
#region Define ThrustLines
//NOTE: The ThrustLine class will add/remove visuals directly from the viewport. There's no need for the map to get involved
// The reference to the fuel tank will be made when I create the tank
ThrustLine thrustLine;
// Up
_thrustLines.Add(Key.Up, new List <ThrustLine>());
thrustLine = new ThrustLine(_map.Viewport, _sharedVisuals, new Vector3D(0, 1, 0) * _thrustForce, _thrusterOffset_BottomRight);
thrustLine.LineMaxLength = THRUSTLINELENGTH;
_thrustLines[Key.Up].Add(thrustLine);
thrustLine = new ThrustLine(_map.Viewport, _sharedVisuals, new Vector3D(0, 1, 0) * _thrustForce, _thrusterOffset_BottomLeft);
thrustLine.LineMaxLength = THRUSTLINELENGTH;
_thrustLines[Key.Up].Add(thrustLine);
// W
_thrustLines.Add(Key.W, new List <ThrustLine>());
thrustLine = new ThrustLine(_map.Viewport, _sharedVisuals, new Vector3D(0, 1, 0) * (_thrustForce * 2d), _thrusterOffset_BottomRight);
thrustLine.LineMaxLength = THRUSTLINELENGTH_EXTRA;
_thrustLines[Key.W].Add(thrustLine);
thrustLine = new ThrustLine(_map.Viewport, _sharedVisuals, new Vector3D(0, 1, 0) * (_thrustForce * 2d), _thrusterOffset_BottomLeft);
thrustLine.LineMaxLength = THRUSTLINELENGTH_EXTRA;
_thrustLines[Key.W].Add(thrustLine);
// Down
_thrustLines.Add(Key.Down, new List <ThrustLine>());
thrustLine = new ThrustLine(_map.Viewport, _sharedVisuals, new Vector3D(0, -1, 0) * _thrustForce, _thrusterOffset_TopRight);
thrustLine.LineMaxLength = THRUSTLINELENGTH;
_thrustLines[Key.Down].Add(thrustLine);
thrustLine = new ThrustLine(_map.Viewport, _sharedVisuals, new Vector3D(0, -1, 0) * _thrustForce, _thrusterOffset_TopLeft);
thrustLine.LineMaxLength = THRUSTLINELENGTH;
_thrustLines[Key.Down].Add(thrustLine);
// S
_thrustLines.Add(Key.S, new List <ThrustLine>());
thrustLine = new ThrustLine(_map.Viewport, _sharedVisuals, new Vector3D(0, -1, 0) * (_thrustForce * 2d), _thrusterOffset_TopRight);
thrustLine.LineMaxLength = THRUSTLINELENGTH_EXTRA;
_thrustLines[Key.S].Add(thrustLine);
thrustLine = new ThrustLine(_map.Viewport, _sharedVisuals, new Vector3D(0, -1, 0) * (_thrustForce * 2d), _thrusterOffset_TopLeft);
thrustLine.LineMaxLength = THRUSTLINELENGTH_EXTRA;
_thrustLines[Key.S].Add(thrustLine);
// Left
_thrustLines.Add(Key.Left, new List <ThrustLine>());
thrustLine = new ThrustLine(_map.Viewport, _sharedVisuals, new Vector3D(0, -1, 0) * _torqueballLeftRightThrusterForce, _thrusterOffset_BottomRight);
thrustLine.LineMaxLength = THRUSTLINELENGTH_TURN;
_thrustLines[Key.Left].Add(thrustLine);
thrustLine = new ThrustLine(_map.Viewport, _sharedVisuals, new Vector3D(0, 1, 0) * _torqueballLeftRightThrusterForce, _thrusterOffset_TopLeft);
thrustLine.LineMaxLength = THRUSTLINELENGTH_TURN;
_thrustLines[Key.Left].Add(thrustLine);
// Right
_thrustLines.Add(Key.Right, new List <ThrustLine>());
thrustLine = new ThrustLine(_map.Viewport, _sharedVisuals, new Vector3D(0, 1, 0) * _torqueballLeftRightThrusterForce, _thrusterOffset_TopRight);
thrustLine.LineMaxLength = THRUSTLINELENGTH_TURN;
_thrustLines[Key.Right].Add(thrustLine);
thrustLine = new ThrustLine(_map.Viewport, _sharedVisuals, new Vector3D(0, -1, 0) * _torqueballLeftRightThrusterForce, _thrusterOffset_BottomLeft);
thrustLine.LineMaxLength = THRUSTLINELENGTH_TURN;
_thrustLines[Key.Right].Add(thrustLine);
// A
_thrustLines.Add(Key.A, new List <ThrustLine>());
thrustLine = new ThrustLine(_map.Viewport, _sharedVisuals, new Vector3D(-1, 0, 0) * _thrustForce, _thrusterOffset_TopRight);
thrustLine.LineMaxLength = THRUSTLINELENGTH;
_thrustLines[Key.A].Add(thrustLine);
thrustLine = new ThrustLine(_map.Viewport, _sharedVisuals, new Vector3D(-1, 0, 0) * _thrustForce, _thrusterOffset_BottomRight);
thrustLine.LineMaxLength = THRUSTLINELENGTH;
_thrustLines[Key.A].Add(thrustLine);
// D
_thrustLines.Add(Key.D, new List <ThrustLine>());
thrustLine = new ThrustLine(_map.Viewport, _sharedVisuals, new Vector3D(1, 0, 0) * _thrustForce, _thrusterOffset_TopLeft);
thrustLine.LineMaxLength = THRUSTLINELENGTH;
_thrustLines[Key.D].Add(thrustLine);
thrustLine = new ThrustLine(_map.Viewport, _sharedVisuals, new Vector3D(1, 0, 0) * _thrustForce, _thrusterOffset_BottomLeft);
thrustLine.LineMaxLength = THRUSTLINELENGTH;
_thrustLines[Key.D].Add(thrustLine);
#endregion
#endregion
MaterialGroup material = null;
GeometryModel3D geometry = null;
Model3DGroup models = new Model3DGroup();
ModelVisual3D model = null;
#region Interior Extra Visuals
// These are visuals that will stay oriented to the ship, but don't count in collision calculations
#region Thrusters
// These are the little balls, not the thrust lines
double thrusterLocScale = 1d;
models.Children.Add(GetThrusterVisual(_thrusterOffset_BottomLeft * thrusterLocScale));
models.Children.Add(GetThrusterVisual(_thrusterOffset_BottomRight * thrusterLocScale));
models.Children.Add(GetThrusterVisual(_thrusterOffset_TopLeft * thrusterLocScale));
models.Children.Add(GetThrusterVisual(_thrusterOffset_TopRight * thrusterLocScale));
#endregion
#region Cargo Bay
//TODO: Make a visual for this (probably pretty cube like)
_cargoBay = new CargoBay(_cargoBayMass, _cargoBayVolume);
_progressBarCargo.Minimum = 0d;
_progressBarCargo.Maximum = _cargoBay.MaxVolume;
_progressBarCargo.Value = 0d;
#endregion
#region Fuel Tank
//TODO: This visual should be a pill
_fuelTank = new FuelTank();
_fuelTank.DryMass = _fuelTankMass;
_fuelTank.QuantityMax = _fuelTankCapacity;
_fuelTank.QuantityCurrent = _fuelTank.QuantityMax; // a full tank with the purchace of a new ship!!!
_fuelTank.FuelDensity = _fuelDensity;
_progressBarFuel.Minimum = 0d;
_progressBarFuel.Maximum = _fuelTank.QuantityMax;
_progressBarFuel.Value = _fuelTank.QuantityCurrent;
// Link to the thrusters
foreach (List <ThrustLine> thrustLines in _thrustLines.Values)
{
foreach (ThrustLine thrustLine1 in thrustLines)
{
thrustLine1.FuelToThrustRatio = _fuelThrustRatio;
thrustLine1.FuelTank = _fuelTank;
}
}
#endregion
#region Core
// This just looks stupid. The idea is that you would see the various components (which would also be point masses). But until
// the user can modify their ship, it's just an arbitrary ellipse that is ugly
//// Material
//material = new MaterialGroup();
//material.Children.Add(new DiffuseMaterial(Brushes.DimGray));
//material.Children.Add(new SpecularMaterial(Brushes.DimGray, 100d));
//// Geometry Model
//geometry = new GeometryModel3D();
//geometry.Material = material;
//geometry.BackMaterial = material;
//geometry.Geometry = UtilityWPF.GetSphere(5, .45, .25, .05);
//geometry.Transform = new TranslateTransform3D(0, this.RadiusY * -.25, 0);
//// Model Visual
//model = new ModelVisual3D();
//model.Content = geometry;
////NOTE: model.Transform is set to the physics body's transform every frame
//// Add to the viewport
//_viewport.Children.Add(model);
//_visuals.Add(model);
#endregion
// Make a model visual for what I have so far
model = new ModelVisual3D(); // this is the expensive one, so as few of these should be made as possible
model.Content = models;
_visuals.Add(model);
_map.Viewport.Children.Add(model);
#endregion
#region WPF Collision Model
// Material
//NOTE: There seems to be an issue with drawing objects inside a semitransparent object - I think they have to be added in a certain order or something
//Brush skinBrush = new SolidColorBrush(Color.FromArgb(50, _hullColor.R, _hullColor.G, _hullColor.B)); // making the skin semitransparent, so you can see the components inside
Brush skinBrush = new SolidColorBrush(_hullColor); // decided to make it opaque, since I'm not showing anything inside
material = new MaterialGroup();
material.Children.Add(new DiffuseMaterial(skinBrush));
material.Children.Add(new SpecularMaterial(Brushes.White, 75d)); // more reflective (and white light)
MaterialGroup backMaterial = new MaterialGroup();
backMaterial.Children.Add(new DiffuseMaterial(skinBrush));
backMaterial.Children.Add(new SpecularMaterial(new SolidColorBrush(Color.FromArgb(255, 20, 20, 20)), 10d)); // dark light, and not very reflective
// Geometry Model
geometry = new GeometryModel3D();
geometry.Material = material;
geometry.BackMaterial = backMaterial;
geometry.Geometry = UtilityWPF.GetSphere_LatLon(5, this.RadiusX, this.RadiusY, this.RadiusZ);
// Transform
Transform3DGroup transform = new Transform3DGroup(); // rotate needs to be added before translate
transform.Children.Add(new RotateTransform3D(new AxisAngleRotation3D(new Vector3D(1, 0, 0), 0)));
transform.Children.Add(new TranslateTransform3D(new Vector3D(0, 0, 0)));
// Model Visual
model = new ModelVisual3D();
model.Content = geometry;
model.Transform = transform;
_physicsModel = model; // remember this, so I don't set its transform
_visuals.Add(model);
// Add to the viewport (the physics body constructor requires it to be added)
_map.Viewport.Children.Add(model);
#endregion
#region Physics Body
// Make a physics body that represents this shape
_physicsBody = new ConvexBody3D(_map.World, model);
_physicsBody.MaterialGroupID = materialManager.ShipMaterialID;
_physicsBody.NewtonBody.UserData = this;
_physicsBody.Mass = Convert.ToSingle(this.TotalMass);
_physicsBody.LinearDamping = .01f;
//_physicsBody.AngularDamping = new Vector3D(.01f, .01f, .01f);
//_physicsBody.AngularDamping = new Vector3D(10f, 10f, 10f);
_physicsBody.AngularDamping = new Vector3D(1f, 1f, 1f);
_physicsBody.ApplyForce += new BodyForceEventHandler(Body_ApplyForce);
#endregion
#region Exterior Extra Visuals
// There is a bug in WPF where visuals added after a semitransparent one won't show inside. The cockpit looks stupid when you can see
// it inside the skin
#region Cockpit
// Material
material = new MaterialGroup();
material.Children.Add(new DiffuseMaterial(new SolidColorBrush(UtilityWPF.AlphaBlend(Colors.Teal, Colors.DimGray, .2d))));
material.Children.Add(new SpecularMaterial(Brushes.White, 100d));
// Geometry Model
geometry = new GeometryModel3D();
geometry.Material = material;
geometry.BackMaterial = material;
//geometry.Geometry = UtilityWPF.GetSphere(3, .4, .2, .3);
geometry.Geometry = UtilityWPF.GetSphere_LatLon(3, .45, .25, .25);
geometry.Transform = new TranslateTransform3D(0, this.RadiusY * .5, 0);
// Model Visual
model = new ModelVisual3D();
model.Content = geometry;
// Add to the viewport
_visuals.Add(model);
_map.Viewport.Children.Add(model);
#endregion
#region Headlight
SpotLight spotLight = new SpotLight();
//spotLight.Color = Color.FromArgb(255, 50, 170, 50);
spotLight.Color = UtilityWPF.AlphaBlend(Colors.White, _hullColor, .25d);
spotLight.Direction = new Vector3D(0, 1, 0);
spotLight.OuterConeAngle = 25;
spotLight.InnerConeAngle = 5;
//spotLight.LinearAttenuation = .1;
spotLight.QuadraticAttenuation = .0001;
spotLight.Range = 1000;
model = new ModelVisual3D();
model.Content = spotLight;
_visuals.Add(model);
_map.Viewport.Children.Add(model);
#endregion
#endregion
// Add to the map
_map.AddItem(this);
}
private void btnAdd_Click(object sender, RoutedEventArgs e)
{
try
{
// Figure out the ratios and mass of this body
ConvexBody3D.CollisionShape shape;
double ratioX, ratioY, ratioZ, mass;
GetRatiosMass(out shape, out ratioX, out ratioY, out ratioZ, out mass);
#region WPF Model
// Material
MaterialGroup materials = new MaterialGroup();
materials.Children.Add(new DiffuseMaterial(new SolidColorBrush(UtilityWPF.GetRandomColor(64, 192))));
materials.Children.Add(new SpecularMaterial(Brushes.White, 100d));
// Geometry Model
GeometryModel3D geometry = new GeometryModel3D();
geometry.Material = materials;
geometry.BackMaterial = materials;
switch (shape)
{
case ConvexBody3D.CollisionShape.Cube:
geometry.Geometry = UtilityWPF.GetCube(new Point3D(-ratioX, -ratioY, -ratioZ), new Point3D(ratioX, ratioY, ratioZ));
break;
case ConvexBody3D.CollisionShape.Sphere:
geometry.Geometry = UtilityWPF.GetSphere_LatLon(5, ratioX, ratioY, ratioZ);
//geometry.Geometry = UtilityWPF.GetTorus(30, 10, ratioX * .2, ratioX); //
break;
case ConvexBody3D.CollisionShape.Capsule:
case ConvexBody3D.CollisionShape.ChamferCylinder:
case ConvexBody3D.CollisionShape.Cone:
case ConvexBody3D.CollisionShape.Cylinder:
default:
throw new ApplicationException("Unknown ConvexBody3D.CollisionShape: " + shape.ToString());
}
// Transform
Transform3DGroup transform = new Transform3DGroup(); // rotate needs to be added before translate
transform.Children.Add(new RotateTransform3D(new AxisAngleRotation3D(Math3D.GetRandomVector_Spherical(10), Math1D.GetNearZeroValue(360d))));
transform.Children.Add(new TranslateTransform3D(Math3D.GetRandomVector(CREATEOBJECTBOUNDRY)));
// Model Visual
ModelVisual3D model = new ModelVisual3D();
model.Content = geometry;
model.Transform = transform;
#endregion
// Add to the viewport
_viewport.Children.Add(model);
// Make a physics body that represents this shape
ConvexBody3D body = new ConvexBody3D(_world, model);
body.Mass = Convert.ToSingle(mass);
body.LinearDamping = .01f;
body.AngularDamping = new Vector3D(.01f, .01f, .01f);
body.ApplyForce += new BodyForceEventHandler(Body_ApplyForce);
_bodies.Add(body);
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString(), this.Title, MessageBoxButton.OK, MessageBoxImage.Error);
}
}