void AddCollisionPoint(double x, double y, double sideLength)
{
CollisionPoint tempcp = new CollisionPoint();
tempcp.Load(x, y, sideLength);
cplist.Add(tempcp);
}
public EPAOutput(
double compenetrationDistance,
CollisionPoint collisionPoint)
{
CompenetrationDistance = compenetrationDistance;
CollisionPoint = collisionPoint;
}
public Player(float x, float y, MainGame tempGame, Hub _tempHub) : base("Sprites/Packy.png", 6, 18)
{
SetXY(x, y);
_position = new Vec2(x, y);
SetMoveSpeed(5);
AnimationDrawsBetweenFrames = 3;
Step = 0;
_pointUP = new CollisionPoint("PointHorizontal.png", this.width / 2, SPEED);
_pointDown = new CollisionPoint("PointHorizontal.png", this.width / 2, this.height + SPEED);
_pointLeft = new CollisionPoint("PointVertical.png", SPEED, this.height / 2 + SPEED);
_pointRight = new CollisionPoint("PointVertical.png", this.width - SPEED, this.height / 2 + SPEED);
AddChild(_pointUP);
AddChild(_pointDown);
AddChild(_pointRight);
AddChild(_pointLeft);
SetFrame(0);
_game = tempGame;
_activityIsLoading = false;
_hub = _tempHub;
_dance = false;
}
private void SubStep(int step, CustomPoint3D startPoint)
{
var gamma1 = Rnd(double.Epsilon, 1);
FreePathLength.Add(-Math.Log(gamma1) / _sigmaS);
var gamma2x = Rnd(0, 1);
var gamma2y = Rnd(0, 1);
//var gamma2z = Rnd(0, 1);
//var wz = 1 - 2 * gamma2z;
//var tmp2 = Math.Sqrt(1 - Math.Pow(cosZ, 2));
//var wx = tmp2 * Math.Cos(TwoPi * gamma2x);
//var vy = tmp2 * Math.Sin(TwoPi * gamma2y);
var wx = Math.Cos(TwoPi * gamma2x);
var wy = Math.Sin(TwoPi * gamma2y);
var wz = 0;
GuidedCos.Add(new Vector3D(wx, wy, wz));
CollisionPoint.Add(new CustomPoint3D(
startPoint.X + GuidedCos[step].X * FreePathLength[step],
startPoint.Y + GuidedCos[step].Y * FreePathLength[step],
startPoint.Z + GuidedCos[step].Z * FreePathLength[step]));
PathLength += FreePathLength[step];
var gamma3 = Rnd(0, 1);
if (gamma3 <= _sigmaA / _sigmaT)
{
IsAbsorbed = true;
}
//Console.WriteLine(@"FreePathLength: {0}; wx: {1}; wy: {2};wz: {3}; gamma3: {4}; SigmaA: {5}; SigmaTr: {6}; {7}", FreePathLength[step], wx, wy, wz, gamma3, _sigmaA, _sigmaTr, _sigmaA/_sigmaTr);
}
public EPAOutput (
double compenetrationDistance,
CollisionPoint collisionPoint)
{
CompenetrationDistance = compenetrationDistance;
CollisionPoint = collisionPoint;
}
public CollisionLine()
{
cp1 = new CollisionPoint();
cp2 = new CollisionPoint();
p1 = new PointD();
p2 = new PointD();
SetColor(255, 230, 175, 50); // set line color
}
CollisionPoint CreateCollisionPoint(double x, double y, double boxSize, double radius, double rotation, Color c)
{
PointD cppos = new PointD();
cppos.X = (x + radius * Math.Cos(rotation));
cppos.Y = (y + radius * Math.Sin(rotation));
CollisionPoint cp = new CollisionPoint(x, y, boxSize, boxSize, c);
return(cp);
}
// Use this for initialization
void Start()
{
// Generate X coordinate random
this.transform.parent = null;
_direction = new Vector3(0.0f, -0.1f, -0f);
_ball = this.gameObject;
_ballTransform = this.gameObject.transform;
_collisionPoint = this.GetComponent("CollisionPoint") as CollisionPoint;
}
public CollisionPoint AddCollidingObject(GameObject[] objects, Vector2 point, bool isBorder)
{
CollisionPoint collisionPoint = new CollisionPoint();
collisionPoint.objects = objects;
collisionPoint.point = point;
collisionPoint.isBorder = isBorder;
collisionPoints.Add(collisionPoint);
return(collisionPoint);
}
public void Deflect(CollisionPoint c, Direction d)
{
const int max = 5;
ChangeDirection = new TimeSpan(0, 0, Arkanoid.Random.Next(1, max));
var nd = GetRandomDirection();
while (nd == Direction)
{
nd = GetRandomDirection();
}
Direction = nd;
}
public double?GetTimeOfImpact(
IShape shapeA,
IShape shapeB,
double timeStep)
{
SaveBaseData(shapeA, shapeB);
// relative linear velocity
Vector3d rLinearVelocity = shapeB.LinearVelocity - shapeA.LinearVelocity;
double maxAngularVelocity = shapeA.AngularVelocity.Length() * shapeA.FarthestPoint.Length() +
shapeB.AngularVelocity.Length() * shapeB.FarthestPoint.Length();
double radius = 1E-4;
double t = 0.0;
CollisionPoint collisionPoint = GetDistance(shapeA, shapeB);
if (collisionPoint.Intersection)
{
return(0.0);
}
while (collisionPoint.Distance > radius &&
!collisionPoint.Intersection)
{
double nLinear = rLinearVelocity.Dot(-1.0 * collisionPoint.CollisionNormal);
double relDist = nLinear + maxAngularVelocity;
t += collisionPoint.Distance / relDist;
if (t < 0.0 || t > timeStep)
{
// never hit during this timestep
RestoreBaseData(shapeA, shapeB);
return(null);
}
integratePosition.IntegrateObjectPosition(shapeA, t);
integratePosition.IntegrateObjectPosition(shapeB, t);
collisionPoint = GetDistance(shapeA, shapeB);
if (collisionPoint == null)
{
break;
}
}
RestoreBaseData(shapeA, shapeB);
return(t);
}
private static Fraction Best(List <CollisionPoint> potentials, Car[] cars, int considering)
{
if (considering >= potentials.Count)
{
return(potentials[potentials.Count - 1].Time + (Fraction)1);
}
CollisionPoint point = potentials[considering];
if (point.FastCar.RightLane != point.SlowCar.RightLane)
{
Fraction first = Best(potentials, cars, considering + 1);
if (CanSwap(cars, point.FastCar, point.Time) && CanSwap(cars, point.SlowCar, point.Time))
{
point.FastCar.RightLane = !point.FastCar.RightLane;
point.SlowCar.RightLane = !point.SlowCar.RightLane;
Fraction second = Best(potentials, cars, considering + 1);
point.FastCar.RightLane = !point.FastCar.RightLane;
point.SlowCar.RightLane = !point.SlowCar.RightLane;
if (first < second)
{
return(second);
}
}
return(first);
}
else
{
Fraction best = point.Time;
if (CanSwap(cars, point.FastCar, point.Time))
{
point.FastCar.RightLane = !point.FastCar.RightLane;
Fraction second = Best(potentials, cars, considering + 1);
point.FastCar.RightLane = !point.FastCar.RightLane;
if (second > best)
{
best = second;
}
}
if (CanSwap(cars, point.SlowCar, point.Time))
{
point.SlowCar.RightLane = !point.SlowCar.RightLane;
Fraction second = Best(potentials, cars, considering + 1);
point.SlowCar.RightLane = !point.SlowCar.RightLane;
if (second > best)
{
best = second;
}
}
return(best);
}
}
protected void UpdateListBoxGearPoints()
{
listBoxGearPoints.Items.Clear();
if (gearPoints != null)
{
for (int i = 0; i < gearPoints.Count; i++)
{
CollisionPoint colPt = new CollisionPoint();
colPt.Index = i;
colPt.Vector = gearPoints[i];
listBoxGearPoints.Items.Add(colPt);
}
}
}
private void buttonDeleteFloatPoint_Click(object sender, EventArgs e)
{
if (listBoxFloatPoints.SelectedIndex > -1)
{
CollisionPoint point = listBoxFloatPoints.Items[listBoxFloatPoints.SelectedIndex] as CollisionPoint;
if (point != null)
{
floatPoints.RemoveAt(point.Index);
ModelControl.AirplaneModel.AirplaneControl.AircraftParameters.FloatPoints.RemoveAt(point.Index);
ModelControl.AirplaneModel.AirplaneControl.AircraftParameters.UnscaledFloatPoints.RemoveAt(point.Index);
Program.Instance.CollisionPointsUpdated();
UpdateListBoxFloatPoints();
}
}
}
public void DeflectBallFromBrick(Brick brick, CollisionPoint cx, Direction dx)
{
Direction d;
CollisionPoint c;
while (Collisions.IsCollision(this, brick, out d, out c))
{
switch (d)
{
case Direction.Up:
Location += new Vector2(Motion.X * BallSpeed, Math.Abs(Motion.Y * BallSpeed));
break;
case Direction.Down:
Location += new Vector2(Motion.X * BallSpeed, -1 * Math.Abs(Motion.Y * BallSpeed));
break;
case Direction.Left:
Location += new Vector2(Math.Abs(Motion.X * BallSpeed), Motion.Y * BallSpeed);
break;
case Direction.Right:
Location += new Vector2(-1 * Math.Abs(Motion.X * BallSpeed), Motion.Y * BallSpeed);
break;
case Direction.DownLeft:
Location += new Vector2(Math.Abs(Motion.X * BallSpeed), -1 * Math.Abs(Motion.Y * BallSpeed));
break;
case Direction.DownRight:
Location += new Vector2(-1 * Math.Abs(Motion.X * BallSpeed), -1 * Math.Abs(Motion.Y * BallSpeed));
break;
case Direction.UpLeft:
Location += new Vector2(Math.Abs(Motion.X * BallSpeed), Math.Abs(Motion.Y * BallSpeed));
break;
case Direction.UpRight:
Location += new Vector2(-1 * Math.Abs(Motion.X * BallSpeed), Math.Abs(Motion.Y * BallSpeed));
break;
case Direction.Stop:
break;
}
}
DeflectBrick(cx, dx, brick);
}
public void CrearColisiones()
{
Collision.AddCollisionSegment(new Point3D(-3.02f, -1.02f, 0), new Point3D(2.21f, -1.30f, 0), 0.5f);//torno
CollisionPoint c = new CollisionPoint();
c.ColitionDistance = 2;
c.enabled = true;
c.point = new Point3D(-14.59f, -0.68f, 0);
Collision.AddCollisionPoint(c);
Collision.AddCollisionSegment(new Point3D(-21.98f, 34.08f, 0), new Point3D(-22.27f, -14.35f, 0), 1); //pared lateral
Collision.AddCollisionSegment(new Point3D(-22.27f, -14.35f, 0), new Point3D(14.28f, -14.85f, 0), 1); // pared del ventilador
}
public CollisionPointStructure (
int objectA,
int objectB,
bool intersection,
double objectDistance,
CollisionPoint collisionPoint,
CollisionPoint[] collisionPoints)
{
ObjectA = objectA;
ObjectB = objectB;
ObjectDistance = objectDistance;
Intersection = intersection;
CollisionPoint = collisionPoint;
CollisionPoints = collisionPoints;
FrameCount = 0;
}
private void vectorControlCollisionPoint_VectorChanged(object sender, EventArgs e)
{
if (listBoxPoints.SelectedIndex > -1)
{
collisionPoints[listBoxPoints.SelectedIndex] = vectorControlCollisionPoint.Vector;
CollisionPoint colPt = listBoxPoints.Items[listBoxPoints.SelectedIndex] as CollisionPoint;
if (colPt != null)
{
colPt.Vector = vectorControlCollisionPoint.Vector;
listBoxPoints.Items[listBoxPoints.SelectedIndex] = colPt;
}
ModelControl.AirplaneModel.AirplaneControl.AircraftParameters.CollisionPoints[listBoxPoints.SelectedIndex] =
FlightModelWind.ToModel(vectorControlCollisionPoint.Vector);
ModelControl.AirplaneModel.AirplaneControl.AircraftParameters.UnscaledCollisionPoints[listBoxPoints.SelectedIndex] =
FlightModelWind.ToModel(vectorControlCollisionPoint.Vector) * (1f / ModelControl.AirplaneModel.AirplaneControl.AircraftParameters.Scale);
Program.Instance.CollisionPointsMoved();
}
}
private void buttonCloneFloatPoint_Click(object sender, EventArgs e)
{
if (listBoxFloatPoints.SelectedIndex > -1)
{
CollisionPoint point = listBoxFloatPoints.Items[listBoxFloatPoints.SelectedIndex] as CollisionPoint;
if (point != null)
{
floatPoints.Add(new Vector3(-point.Vector.X, point.Vector.Y, point.Vector.Z));
ModelControl.AirplaneModel.AirplaneControl.AircraftParameters.FloatPoints.Add(
FlightModelWind.ToModel(new Vector3(-point.Vector.X, point.Vector.Y, point.Vector.Z)));
ModelControl.AirplaneModel.AirplaneControl.AircraftParameters.UnscaledFloatPoints.Add(
FlightModelWind.ToModel(new Vector3(-point.Vector.X, point.Vector.Y, point.Vector.Z) *
(1f / ModelControl.AirplaneModel.AirplaneControl.AircraftParameters.Scale)));
Program.Instance.CollisionPointsUpdated();
UpdateListBoxFloatPoints();
}
}
}
CollisionPoint findCPSphereOnLine(Vector3 spherePosition, float sphereRadius, Vector3 lineStart, Vector3 lineEnd)
{
Vector3 relativeSpherePos = spherePosition - lineStart;
Vector3 line = lineEnd - lineStart;
float closestPointOnLine = Vector3.Dot(relativeSpherePos, line.normalized);
closestPointOnLine = Mathf.Clamp(closestPointOnLine, 0, line.magnitude);
CollisionPoint collision = new CollisionPoint(false, lineStart + (closestPointOnLine * line.normalized));
collision.normal = (spherePosition - collision.position).normalized;
if ((spherePosition - collision.position).magnitude <= sphereRadius)
{
collision.occurred = true;
}
return(collision);
}
void sphereOnPlane(Transform sphereTransform, Transform planeTransform, Physics spherePhysics, Physics planePhysics)
{
Matrix4x4 rotation = Matrix4x4.Rotate(Quaternion.Euler(planeTransform.eulerAngles));
Vector3 planeNormal = rotation.MultiplyVector(new Vector3(0, 1, 0)).normalized;
Vector3 planeX = rotation.MultiplyVector(new Vector3(1, 0, 0)).normalized *planeTransform.localScale.x * 5;
Vector3 planeZ = rotation.MultiplyVector(new Vector3(0, 0, 1)).normalized *planeTransform.localScale.z * 5;
Plane plane = new Plane(planeTransform.position, planeNormal, planeX, planeZ);
CollisionPoint collision = findCPSphereOnPlane(sphereTransform.position, spherePhysics.m_sphereRadius, plane);
if (!collision.occurred)
{
return;
}
Vector3 pointToCentre = sphereTransform.position - collision.position;
float vSphere = Vector3.Dot(spherePhysics.m_velocity, pointToCentre.normalized);
float vPlane = Vector3.Dot(planePhysics.m_velocity, pointToCentre.normalized);
float netMovement = vPlane - vSphere;
if (netMovement > m_contactSpeed) //Moving towards so collision should occur
{
float speedSphere = speedAfterCollision(spherePhysics.m_restitution * planePhysics.m_restitution, vSphere, vPlane, spherePhysics.m_mass, planePhysics.m_mass);
spherePhysics.m_velocity += (speedSphere - vSphere) * pointToCentre.normalized;
float speedPlane = speedAfterCollision(spherePhysics.m_restitution * planePhysics.m_restitution, vPlane, vSphere, planePhysics.m_mass, spherePhysics.m_mass);
planePhysics.m_velocity += (speedPlane - vPlane) * pointToCentre.normalized;
}
else if (netMovement > -m_contactSpeed / 2) //In contact
{
if (spherePhysics.m_mass != 0)
{
spherePhysics.m_velocity += netMovement * pointToCentre.normalized;
sphereTransform.position = pointToCentre.normalized * spherePhysics.m_sphereRadius + collision.position;
}
}
//Else they're moving away from each other
}
/// <summary>
/// Raises the appropriate ParentObject collision events depending on its CollisionType value
/// </summary>
/// <param name="sender">The current ISpaceObject instance</param>
/// <param name="other">The ISpaceObject instance which collided</param>
/// <param name="pair"/>
protected void OnCollisionDetected(Collidable sender, Collidable other, CollidablePairHandler pair)
{
if (sender.Tag == null || other.Tag == null)
{
return;
}
ICollisionObject senderCollisionObject = (ICollisionObject)sender.Tag;
ICollisionObject otherCollisionObject = (ICollisionObject)other.Tag;
switch (ParentObject.CollisionType)
{
case CollisionType.Trigger:
{
ParentObject.OnCollisionTrigger(senderCollisionObject, otherCollisionObject);
break;
}
case CollisionType.Collide:
{
var collisionPoint = new CollisionPoint
{
ContactObject = otherCollisionObject,
ContactPoint = pair.Contacts[0].Contact.Position,
ContactTime = pair.TimeOfImpact,
Material = null,
SurfaceNormal = pair.Contacts[0].Contact.Normal
};
ParentObject.OnCollisionReact(senderCollisionObject, otherCollisionObject, collisionPoint, ref _collisionHandled);
break;
}
default:
case CollisionType.None:
{
break;
}
}
}
public void Deflect(CollisionPoint c, Direction d)
{
switch (c)
{
case CollisionPoint.Right:
case CollisionPoint.Left:
Motion = new Vector2(Motion.X * -1, Motion.Y);
break;
case CollisionPoint.Top:
case CollisionPoint.Bottom:
Motion = new Vector2(Motion.X, Motion.Y * -1);
break;
case CollisionPoint.BottomRight:
case CollisionPoint.BottomLeft:
case CollisionPoint.TopRight:
case CollisionPoint.TopLeft:
Motion = new Vector2(Motion.X * -1, Motion.Y * -1);
break;
}
}
void CheckCollisions(Vector3 startPos, Vector3 offset, float dt)
{
// STEP 1: Define our variables, what is endpoint?
Vector3 endPos = startPos + offset;
CollisionPoint closest = new CollisionPoint();
// STEP 2: Find the closest collision
// case 1: wall (top and bottom)
if (endPos.z >= FIELD_TOP)
{
// evaluate collision with top
float uz = (FIELD_TOP - startPos.z) / (offset.z);
if (uz <= closest.progress)
{
closest = new CollisionPoint((startPos + (offset * uz)), "top", uz);
}
}
else if (endPos.z <= FIELD_BOTTOM)
{
}
// STEP 3: Did we find a collision?
// IF YES:
// STEP 4: PROJECT THE BOUNCE
// STEP 5: RUN CHECK COLLISIONS AGAIN
// IF NO:
// Move to final position
}
public static bool IsCollision(ILocatable me, Rectangle target, out Direction from, out CollisionPoint where, bool circle = false)
{
var prjMe = new Rectangle((int)(me.Bounds.X + me.Motion.X), (int)(me.Bounds.Y + me.Motion.Y),
me.Bounds.Width,
me.Bounds.Height);
var prjTarget = target;
from = Direction.Stop;
if (Math.Abs(me.Motion.X) < 0.00001 && Math.Abs(me.Motion.Y) < 0.00001)
{
from = Direction.Stop;
}
else if (me.Motion.X < 0) //Left
{
if (Math.Abs(me.Motion.Y) < 0.00001)
{
from = Direction.Left;
}
else if (me.Motion.Y < 0)
{
from = Direction.UpLeft;
}
else
{
from = Direction.DownLeft;
}
}
else
{
if (Math.Abs(me.Motion.Y) < 0.00001)
{
from = Direction.Right;
}
else if (me.Motion.Y < 0)
{
from = Direction.UpRight;
}
else
{
from = Direction.DownRight;
}
}
where = CollisionPoint.None;
if (circle && !IsCollisionCircle(prjMe, prjTarget))
{
return(false);
}
if (prjMe.Intersects(prjTarget))
{
if (
prjMe.Intersects(new Rectangle(prjTarget.Left, prjTarget.Top,
prjTarget.Width, 1)))
{
where = CollisionPoint.Top;
}
else if (
prjMe.Intersects(new Rectangle(prjTarget.Left, prjTarget.Bottom,
prjTarget.Width, 1)))
{
where = CollisionPoint.Bottom;
}
if (prjMe.Intersects(new Rectangle(prjTarget.Left, prjTarget.Top, 1,
prjTarget.Height)))
{
where = where == CollisionPoint.None
? CollisionPoint.Left
: where == CollisionPoint.Top ? CollisionPoint.TopLeft : CollisionPoint.BottomLeft;
}
if (prjMe.Intersects(new Rectangle(prjTarget.Right, prjTarget.Top, 1,
prjTarget.Height)))
{
where = where == CollisionPoint.None
? CollisionPoint.Right
: where == CollisionPoint.Top ? CollisionPoint.TopRight : CollisionPoint.BottomRight;
}
return(true);
}
return(false);
}
public Velocity Hit(Velocity vel, CollisionPoint point)
{
throw new NotImplementedException();
}
private void UpdateCollisions(float elapsedTime)
{
Vector3 planeVelocity = new Vector3(Velocity.X, Velocity.Y, Velocity.Z);
Vector3 rotationalVelocity = new Vector3(Wx, Wy, Wz);
planeVelocity.TransformCoordinate(Matrix.RotationQuaternion(Quaternion.Invert(OrientationQuat)));
//Vx = planeVelocity.X;
//Vy = planeVelocity.Y;
//Vz = planeVelocity.Z;
Vector3 position = new Vector3(X, Y, Z);
List <CollisionPoint> contactList = new List <CollisionPoint>();
foreach (Vector3 gearPoint in AircraftParameters.GearPoints)
{
// Check for collisions
Vector3 gearPointW = position + Vector3.TransformCoordinate(gearPoint, Matrix.RotationQuaternion(OrientationQuat));
Vector3 normalW;
float depth = 0f;
if (IsColliding(gearPointW, out normalW, out depth))
{
Vector3 normal = Vector3.TransformCoordinate(ToModel(normalW), Matrix.RotationQuaternion(Quaternion.Invert(OrientationQuat)));
CollisionPoint point = new CollisionPoint();
point.ContactPoint = gearPoint;
point.Normal = normal;
point.NormalW = ToModel(normalW);
point.Depth = depth;
contactList.Add(point);
}
}
if (contactList.Count > 0)
{
Vector3 contactPoint;
Vector3 normal;
Vector3 normalW;
float depth;
if (contactList.Count == 1)
{
// vertex
contactPoint = contactList[0].ContactPoint;
normal = contactList[0].Normal;
normalW = contactList[0].NormalW;
depth = contactList[0].Depth;
}
else if (contactList.Count == 2)
{
// segment
contactPoint = (0.5f * (contactList[0].ContactPoint + contactList[1].ContactPoint));
normal = (0.5f * (contactList[0].Normal + contactList[1].Normal));
normalW = (0.5f * (contactList[0].NormalW + contactList[1].NormalW));
depth = (contactList[0].Depth + contactList[1].Depth) / 2;
}
else
{
// plane
//contactPoint = (0.5f * (contactList[0].ContactPoint + contactList[1].ContactPoint));
normal = (0.5f * (contactList[0].Normal + contactList[1].Normal));
normalW = (0.5f * (contactList[0].NormalW + contactList[1].NormalW));
depth = (contactList[0].Depth + contactList[1].Depth) / 2;
contactPoint = -depth * normal;
}
Vector3 pointVel = planeVelocity + Vector3.Cross(rotationalVelocity, contactPoint);
float epsilon = 0.7f; // restitution
float j = ((-1 - epsilon) * Vector3.Dot(planeVelocity, normal)) /
((Vector3.Dot(normal, normal) / (float)AircraftParameters.Mass) +
(Vector3.Dot(MultiplyInertiaInverse(Vector3.Cross(Vector3.Cross(contactPoint, normal), contactPoint)), normal)));
Z -= depth;
if (Vector3.Dot(normal, pointVel) > 0)
{
}
else
{
//Z -= depth;
#if DEBUG
Framework.Instance.DebugString += j + "\n";
Framework.Instance.DebugString += normalW + "\n";
Framework.Instance.DebugString += contactList.Count;
#endif
Velocity += (j / (float)AircraftParameters.Mass) * normalW;
//Velocity += (-Velocity * 1.0f* elapsedTime);
Vector3 rotationVelDiff = MultiplyInertiaInverse(Vector3.Cross(contactPoint, j * normal));
Wx += rotationVelDiff.X;
Wy += rotationVelDiff.Y;
Wz += rotationVelDiff.Z;
}
}
//DebugPosition = ToDirectX(gearPointW);
//pointVel = Velocity + Vector3.Cross(rotationalVelocity, gearPoint);
}
/// <summary>
/// Calculates and applies the reaction force between the
/// object and the collision surface contained in the CollisionPoint.
/// </summary>
/// <param name="worldcollisionpoint">Contains information about the closest collision point to the collider.</param>
public virtual void React(CollisionPoint worldcollisionpoint)
{
}
private List <JacobianConstraint> BuildRigidBodyCollisionConstraints(
CollisionPointStructure collisionPointStr,
IShape objectA,
IShape objectB)
{
List <JacobianConstraint> contactConstraints = new List <JacobianConstraint>();
double restitutionCoefficient =
(objectA.RestitutionCoeff +
objectB.RestitutionCoeff) * 0.5;
double baumgarteStabilizationValue =
(objectA.RestoreCoeff +
objectB.RestoreCoeff) * 0.5;
for (int h = 0; h < collisionPointStr.CollisionPointBase.Length; h++)
{
var collisionPointBase = collisionPointStr.CollisionPointBase[h];
for (int k = 0; k < collisionPointBase.CollisionPoints.Length; k++)
{
CollisionPoint collisionPoint = collisionPointBase.CollisionPoints[k];
Vector3d ra = collisionPoint.CollisionPointA.Vertex - objectA.Position;
Vector3d rb = collisionPoint.CollisionPointB.Vertex - objectB.Position;
Vector3d linearComponentA = (-1.0 * collisionPoint.CollisionNormal).Normalize();
Vector3d linearComponentB = -1.0 * linearComponentA;
Vector3d angularComponentA = ra.Cross(linearComponentA);
Vector3d angularComponentB = -1.0 * rb.Cross(linearComponentA);
Vector3d velocityA = objectA.LinearVelocity +
objectA.AngularVelocity.Cross(ra);
Vector3d velocityB = objectB.LinearVelocity +
objectB.AngularVelocity.Cross(rb);
Vector3d relativeVelocity = velocityB - velocityA;
if (relativeVelocity.Length() < 1E-12 &&
collisionPointBase.CollisionPoint.Intersection &&
collisionPointBase.CollisionPoint.Distance < 1E-10)
{
continue;
}
#region Normal direction contact
double linearComponent = linearComponentA.Dot(relativeVelocity);
double uCollision = restitutionCoefficient * Math.Max(0.0, linearComponent);
if (uCollision <= 0.0 &&
!collisionPointBase.CollisionPoint.Intersection)
{
continue;
}
double correctionParameter = 0.0;
if (collisionPointBase.CollisionPoint.Intersection)
{
//Limit the Baum stabilization jitter effect
correctionParameter = Math.Max(Math.Max(collisionPointBase.CollisionPoint.Distance - simulationParameters.CompenetrationTolerance, 0.0) *
baumgarteStabilizationValue, 0.0);
}
double correctedBounce = uCollision;
JacobianConstraint normalContact = JacobianCommon.GetDOF(
linearComponentA,
linearComponentB,
angularComponentA,
angularComponentB,
objectA,
objectB,
correctedBounce,
correctionParameter,
simulationParameters.NormalCFM,
0.0,
ConstraintType.Collision,
null);
#endregion
contactConstraints.Add(normalContact);
#region Friction Contact
JacobianConstraint[] frictionContact =
AddFrictionConstraints(
objectA,
objectB,
simulationParameters,
linearComponentA,
relativeVelocity,
ra,
rb);
#endregion
int normalIndex = contactConstraints.Count - 1;
foreach (JacobianConstraint fjc in frictionContact)
{
fjc.SetContactReference(normalIndex);
contactConstraints.Add(fjc);
}
}
}
return(contactConstraints);
}
/// <summary>
/// Raises the appropriate ParentObject collision events depending on its CollisionType value
/// </summary>
/// <param name="sender">The current ISpaceObject instance</param>
/// <param name="other">The ISpaceObject instance which collided</param>
/// <param name="pair"/>
protected void OnCollisionDetected(Collidable sender, Collidable other, CollidablePairHandler pair)
{
if (sender.Tag == null || other.Tag == null)
return;
ICollisionObject senderCollisionObject = (ICollisionObject) sender.Tag;
ICollisionObject otherCollisionObject = (ICollisionObject) other.Tag;
switch (ParentObject.CollisionType)
{
case CollisionType.Trigger:
{
ParentObject.OnCollisionTrigger(senderCollisionObject, otherCollisionObject);
break;
}
case CollisionType.Collide:
{
var collisionPoint = new CollisionPoint
{
ContactObject = otherCollisionObject,
ContactPoint = pair.Contacts[0].Contact.Position,
ContactTime = pair.TimeOfImpact,
Material = null,
SurfaceNormal = pair.Contacts[0].Contact.Normal
};
ParentObject.OnCollisionReact(senderCollisionObject, otherCollisionObject, collisionPoint, ref _collisionHandled);
break;
}
default:
case CollisionType.None:
{
break;
}
}
}
public void AddCollisionPoint(CollisionPoint point)
{
colitionPoints.Add(point);
}
public void Write(TProtocol oprot)
{
oprot.IncrementRecursionDepth();
try
{
TStruct struc = new TStruct("FireBallResponse");
oprot.WriteStructBegin(struc);
TField field = new TField();
if (__isset.type)
{
field.Name = "type";
field.Type = TType.I32;
field.ID = 10;
oprot.WriteFieldBegin(field);
oprot.WriteI32(Type);
oprot.WriteFieldEnd();
}
if (Dir != null && __isset.dir)
{
field.Name = "dir";
field.Type = TType.Struct;
field.ID = 20;
oprot.WriteFieldBegin(field);
Dir.Write(oprot);
oprot.WriteFieldEnd();
}
if (CollisionPoint != null && __isset.collisionPoint)
{
field.Name = "collisionPoint";
field.Type = TType.Struct;
field.ID = 30;
oprot.WriteFieldBegin(field);
CollisionPoint.Write(oprot);
oprot.WriteFieldEnd();
}
if (DestGrid != null && __isset.destGrid)
{
field.Name = "destGrid";
field.Type = TType.Struct;
field.ID = 40;
oprot.WriteFieldBegin(field);
DestGrid.Write(oprot);
oprot.WriteFieldEnd();
}
if (__isset.ballId)
{
field.Name = "ballId";
field.Type = TType.I32;
field.ID = 50;
oprot.WriteFieldBegin(field);
oprot.WriteI32(BallId);
oprot.WriteFieldEnd();
}
if (__isset.speed)
{
field.Name = "speed";
field.Type = TType.Double;
field.ID = 60;
oprot.WriteFieldBegin(field);
oprot.WriteDouble(Speed);
oprot.WriteFieldEnd();
}
if (__isset.result)
{
field.Name = "result";
field.Type = TType.Byte;
field.ID = 70;
oprot.WriteFieldBegin(field);
oprot.WriteByte(Result);
oprot.WriteFieldEnd();
}
if (StartPosition != null && __isset.startPosition)
{
field.Name = "startPosition";
field.Type = TType.Struct;
field.ID = 80;
oprot.WriteFieldBegin(field);
StartPosition.Write(oprot);
oprot.WriteFieldEnd();
}
oprot.WriteFieldStop();
oprot.WriteStructEnd();
}
finally
{
oprot.DecrementRecursionDepth();
}
}
void sphereOnCube(Transform sphereTransform, Transform cubeTransform, Physics spherePhysics, Physics cubePhysics)
{
//Rotate cube vectors into worldspace
Matrix4x4 rotation = Matrix4x4.Rotate(Quaternion.Euler(cubeTransform.eulerAngles));
Vector3 cubeX = rotation.MultiplyVector(new Vector3(1, 0, 0)).normalized *cubeTransform.localScale.x * 0.5f;
Vector3 cubeY = rotation.MultiplyVector(new Vector3(0, 1, 0)).normalized *cubeTransform.localScale.y * 0.5f;
Vector3 cubeZ = rotation.MultiplyVector(new Vector3(0, 0, 1)).normalized *cubeTransform.localScale.z * 0.5f;
//Check if there's a collision against the closest side, and get the collision point
Vector3 sphereRelativePosition = sphereTransform.position - cubeTransform.position;
float distInX = Vector3.Dot(sphereRelativePosition, cubeX.normalized) / cubeX.magnitude;
float distInY = Vector3.Dot(sphereRelativePosition, cubeY.normalized) / cubeY.magnitude;
float distInZ = Vector3.Dot(sphereRelativePosition, cubeZ.normalized) / cubeZ.magnitude;
CollisionPoint collision = new CollisionPoint(false);
if (Mathf.Abs(distInX) > Mathf.Abs(distInY) && Mathf.Abs(distInX) > Mathf.Abs(distInZ)) //Closest to X sides
{
if (distInX > 0)
{
Plane plane = new Plane(cubeTransform.position + cubeX, cubeX, cubeY, cubeZ);
collision = findCPSphereOnPlane(sphereTransform.position, spherePhysics.m_sphereRadius, plane);
}
else
{
Plane plane = new Plane(cubeTransform.position - cubeX, -cubeX, cubeY, cubeZ);
collision = findCPSphereOnPlane(sphereTransform.position, spherePhysics.m_sphereRadius, plane);
}
}
else if (Mathf.Abs(distInY) > Mathf.Abs(distInZ)) //Closest to Y sides
{
if (distInY > 0)
{
Plane plane = new Plane(cubeTransform.position + cubeY, cubeY, cubeX, cubeZ);
collision = findCPSphereOnPlane(sphereTransform.position, spherePhysics.m_sphereRadius, plane);
}
else
{
Plane plane = new Plane(cubeTransform.position - cubeY, -cubeY, cubeX, cubeZ);
collision = findCPSphereOnPlane(sphereTransform.position, spherePhysics.m_sphereRadius, plane);
}
}
else //Closest to Z sides
{
if (distInZ > 0)
{
Plane plane = new Plane(cubeTransform.position + cubeZ, cubeZ, cubeY, cubeX);
collision = findCPSphereOnPlane(sphereTransform.position, spherePhysics.m_sphereRadius, plane);
}
else
{
Plane plane = new Plane(cubeTransform.position - cubeZ, -cubeZ, cubeY, cubeX);
collision = findCPSphereOnPlane(sphereTransform.position, spherePhysics.m_sphereRadius, plane);
}
}
if (!collision.occurred)
{
return;
}
Vector3 pointToCentre = sphereTransform.position - collision.position;
float vSphere = Vector3.Dot(spherePhysics.m_velocity, pointToCentre.normalized);
float vCube = Vector3.Dot(cubePhysics.m_velocity, pointToCentre.normalized);
float netMovement = vCube - vSphere;
if (netMovement > m_contactSpeed) //Moving towards so collision should occur
{
float speedSphere = speedAfterCollision(spherePhysics.m_restitution * cubePhysics.m_restitution, vSphere, vCube, spherePhysics.m_mass, cubePhysics.m_mass);
spherePhysics.m_velocity += (speedSphere - vSphere) * pointToCentre.normalized;
float speedPlane = speedAfterCollision(spherePhysics.m_restitution * cubePhysics.m_restitution, vCube, vSphere, cubePhysics.m_mass, spherePhysics.m_mass);
cubePhysics.m_velocity += (speedPlane - vCube) * pointToCentre.normalized;
}
else if (netMovement > -m_contactSpeed / 2) //In contact
{
sphereTransform.position = collision.position + spherePhysics.m_sphereRadius * pointToCentre.normalized;
if (spherePhysics.m_mass != 0 && cubePhysics.m_mass != 0)
{
spherePhysics.m_velocity += netMovement * pointToCentre.normalized / 2;
cubePhysics.m_velocity -= netMovement * pointToCentre.normalized / 2;
}
else if (spherePhysics.m_mass != 0)
{
spherePhysics.m_velocity += netMovement * pointToCentre.normalized;
}
else if (cubePhysics.m_mass != 0)
{
cubePhysics.m_velocity += netMovement * pointToCentre.normalized;
}
}
//Else they're moving away from each other
}
public override string ToString()
{
StringBuilder __sb = new StringBuilder("FireBallResponse(");
bool __first = true;
if (__isset.type)
{
if (!__first)
{
__sb.Append(", ");
}
__first = false;
__sb.Append("Type: ");
__sb.Append(Type);
}
if (Dir != null && __isset.dir)
{
if (!__first)
{
__sb.Append(", ");
}
__first = false;
__sb.Append("Dir: ");
__sb.Append(Dir == null ? "<null>" : Dir.ToString());
}
if (CollisionPoint != null && __isset.collisionPoint)
{
if (!__first)
{
__sb.Append(", ");
}
__first = false;
__sb.Append("CollisionPoint: ");
__sb.Append(CollisionPoint == null ? "<null>" : CollisionPoint.ToString());
}
if (DestGrid != null && __isset.destGrid)
{
if (!__first)
{
__sb.Append(", ");
}
__first = false;
__sb.Append("DestGrid: ");
__sb.Append(DestGrid == null ? "<null>" : DestGrid.ToString());
}
if (__isset.ballId)
{
if (!__first)
{
__sb.Append(", ");
}
__first = false;
__sb.Append("BallId: ");
__sb.Append(BallId);
}
if (__isset.speed)
{
if (!__first)
{
__sb.Append(", ");
}
__first = false;
__sb.Append("Speed: ");
__sb.Append(Speed);
}
if (__isset.result)
{
if (!__first)
{
__sb.Append(", ");
}
__first = false;
__sb.Append("Result: ");
__sb.Append(Result);
}
if (StartPosition != null && __isset.startPosition)
{
if (!__first)
{
__sb.Append(", ");
}
__first = false;
__sb.Append("StartPosition: ");
__sb.Append(StartPosition == null ? "<null>" : StartPosition.ToString());
}
__sb.Append(")");
return(__sb.ToString());
}
/// <summary>
/// Calculates and applies the reaction force between the
/// object and the collision surface contained in the CollisionPoint.
/// </summary>
/// <param name="worldcollisionpoint">Contains information about the closest collision point to the collider.</param>
public virtual void React(CollisionPoint worldcollisionpoint)
{
}