Particle MakeLimb(Composite composite, Particle baseParticle, float branchLength, float angle)
{
Particle p = new Particle(baseParticle.pos + AngleToVector2(angle) * branchLength);
SpringConstraint s = new SpringConstraint(baseParticle, p, springStiffness);
return(p);
}
Composite MakeSpinalComposite(float length, int boneNum, Vector2 rootPosition)
{
if (boneNum <= 1)
{
throw new System.ArgumentException("boneNUmは\"2\"以上に設定してください。");
}
float boneLength = length / (boneNum + 1);
var composite = new Composite();
List <int> particleIndices = new List <int>();
List <int> springIndices = new List <int>();
var tp = new Particle(rootPosition);
particleIndices.Add(composite.elemNum);
composite.AddSimElement(tp, 0);
for (int i = 1; i < boneNum; ++i)
{
var p = new Particle(rootPosition + new Vector2(0f, -boneLength * i));
particleIndices.Add(composite.elemNum);
composite.AddSimElement(p, 0);
var s = new SpringConstraint(tp, p);
springIndices.Add(composite.elemNum);
composite.AddSimElement(s, 1);
tp = p;
}
composite.AddRenderingGroup(new SimRenderer.SimRenderingGroup(1, springIndices));
composite.AddRenderingGroup(new SimRenderer.SimRenderingGroup(0, particleIndices));
return(composite);
}
void MakePlant(Vector2 basePosition, int joints, float baseAngle)
{
Particle root = new Particle(basePosition);
particleIndices.Add(composite.elemNum);
composite.AddSimElement(root);
Particle prev = root;
Particle prev2 = root;
Particle current = root;
PinConstraint firstPin = null;
float angle = baseAngle;
for (var i = 0; i <= joints; ++i)
{
angle += angleRange.random * Mathf.Deg2Rad;
if (i == joints)
{
Particle leaf = new Particle(prev.pos + AngleToVector2(angle) * branchLengthRange.random);
particleIndices.Add(composite.elemNum);
composite.AddSimElement(leaf);
SpringConstraint leafSpring = new SpringConstraint(prev, leaf, springStiffness);
leafSpringIndices.Add(composite.elemNum);
composite.AddSimElement(leafSpring);
current = leaf;
}
else
{
Particle joint = new Particle(prev.pos + AngleToVector2(angle) * branchLengthRange.random);
particleIndices.Add(composite.elemNum);
composite.AddSimElement(joint);
SpringConstraint spring = new SpringConstraint(prev, joint, springStiffness);
branchSpringIndices.Add(composite.elemNum);
composite.AddSimElement(spring);
current = joint;
if (i == 0)
{
firstPin = new PinConstraint(joint);
}
}
if (i > 0)
{
AngleConstraint ac = new AngleConstraint(prev2, current, prev, angleStiffness);
composite.AddSimElement(ac);
}
prev2 = prev;
prev = current;
}
PinConstraint rootPin = new PinConstraint(root);
composite.AddSimElement(rootPin);
composite.AddSimElement(firstPin);
}
public void Update(float deltaTime)
{
Input();
mSimulator.Update(deltaTime);
for (int i = 0; i < mCircleZones.Count; i++)
{
mCircleZones[i].MoveTo(mSimulator.GetPositionOfNode(i));
}
mCentroids.Clear();
for (int i = 0; i < mTriangleMidPoints.Count; i++)
{
mTriangleMidPoints[i].CalculateMidPoint();
mCentroids.Add(mTriangleMidPoints[i].GetMidPoint());
}
if (Keyboard.IsKeyPressed(Keyboard.Key.Space))
{
SpringConstraint spring = (SpringConstraint)mSpringConstraints[rnd.Next(mSpringConstraints.Count)];
spring.mRestLength += -5 + rnd.Next(10);
}
}
/*
* Methods
*/
public override SimElement MakeSimElement(AlignedEditableForm aef, List <SimElement> simElements)
{
var a = simElements[aef.uid2idxDic[_aUID]] as Particle;
var b = simElements[aef.uid2idxDic[_bUID]] as Particle;
var sc = new SpringConstraint(a, b, _stiffness);
sc.OverrideUID(uid);
return(sc);
}
public void Undo()
{
var current = _sim.uidDistributer.current;
_s = _sim.MakeSpringByUID(_aUID, _bUID, _stiffness);
_s.OverrideUID(_uid);
_sim.uidDistributer.SetCounter(current);
_marker.MakeSpringMarker(_s);
}
public DeleteSpringCommand(Simulator sim, MarkerManager marker, int uid)
{
_sim = sim;
_marker = marker;
_uid = uid;
_s = _sim.GetSpringByUID(uid);
_aUID = _s.a.uid;
_bUID = _s.b.uid;
_stiffness = _s.stiffness;
}
/*
* Spring related
*/
public void MakeSpringMarker(SpringConstraint s)
{
Vector3 pos = s.middlePos;
pos.z = springMarkerDepth;
var marker = MakeMarker(SPRING_ID, s, pos);
marker.transform.rotation = Quaternion.AngleAxis(s.a2bRadian * Mathf.Rad2Deg, Vector3.forward);
marker.transform.localScale = new Vector3(s.currentLength, 0.4f, 1f);
}
public bool Do()
{
if (_uid == -1)
{
_s = _sim.MakeSpringByUID(_aUID, _bUID, _stiffness);
_uid = _s.uid;
}
else
{
var current = _sim.uidDistributer.current;
_s = _sim.MakeSpringByUID(_aUID, _bUID, _stiffness);
_s.OverrideUID(_uid);
_sim.uidDistributer.SetCounter(current);
}
_marker.MakeSpringMarker(_s);
return(true);
}
Particle MakeBranch(Particle baseParticle, int depth, float branchLength, float angle, float angleStiffness)
{
Particle p = new Particle(baseParticle.pos + AngleToVector2(angle) * branchLength);
if (depth > 0)
{
branchParticleIndices.Add(composite.elemNum);
}
composite.AddSimElement(p);
SpringConstraint s = new SpringConstraint(baseParticle, p, springStiffness);
if (depth > 0)
{
springIndices.Add(composite.elemNum);
}
else
{
leafSpringIndices.Add(composite.elemNum);
}
composite.AddSimElement(s);
if (depth > 0)
{
Particle lp = MakeBranch(p, depth - 1, branchLength, angle + Mathf.PI * 0.1f, angleStiffness * angleSoftness);
AngleConstraint lac = new AngleConstraint(baseParticle, lp, p, angleStiffness);
composite.AddSimElement(lac);
Particle rp = MakeBranch(p, depth - 1, branchLength, angle - Mathf.PI * 0.1f, angleStiffness * angleSoftness);
AngleConstraint rac = new AngleConstraint(baseParticle, rp, p, angleStiffness);
composite.AddSimElement(rac);
AngleConstraint cac = new AngleConstraint(lp, rp, p, angleStiffness);
composite.AddSimElement(cac);
}
return(p);
}
Composite MakeClothComposite(float rowSize, int row, float colSize, int col, float particleDamping, float springStiffness, Vector2 gravity, Vector2 rootPosition, Vector2 offset)
{
float rowCellSize = rowSize / row;
float colCellSize = colSize / col;
Particle[] rowParticles = new Particle[row];
var composite = new Composite();
List <int> particleIndices = new List <int>();
List <int> springIndices = new List <int>();
for (var y = 0; y < col; ++y)
{
if (y == 0)
{
for (var x = 0; x < row; ++x)
{
var p = new Particle(rootPosition + new Vector2(rowCellSize * x, -colCellSize * y) + offset, particleDamping);
particleIndices.Add(composite.elemNum);
composite.AddSimElement(p, 0);
var pc = new PinConstraint(p);
composite.AddSimElement(p, 10);
if (x != 0)
{
var s = new SpringConstraint(rowParticles[x - 1], p, springStiffness);
// var s = new DistanceConstraint(rowParticles[x - 1], p);
springIndices.Add(composite.elemNum);
composite.AddSimElement(s, 1);
}
rowParticles[x] = p;
}
}
else
{
for (var x = 0; x < row; ++x)
{
var p = new Particle(rootPosition + new Vector2(rowCellSize * x, -colCellSize * y) + offset, particleDamping);
particleIndices.Add(composite.elemNum);
composite.AddSimElement(p, 0);
var cfc = new ConstantForceConstraint(p, gravity);
composite.AddSimElement(cfc, 5);
var s = new SpringConstraint(rowParticles[x], p, springStiffness);
// var s = new DistanceConstraint(rowParticles[x], p);
springIndices.Add(composite.elemNum);
composite.AddSimElement(s, 1);
if (x != 0)
{
s = new SpringConstraint(rowParticles[x - 1], p, springStiffness);
// s = new DistanceConstraint(rowParticles[x - 1], p);
springIndices.Add(composite.elemNum);
composite.AddSimElement(s, 1);
}
rowParticles[x] = p;
}
}
}
composite.AddRenderingGroup(new SimRenderer.SimRenderingGroup(1, springIndices));
composite.AddRenderingGroup(new SimRenderer.SimRenderingGroup(0, particleIndices));
return(composite);
}
public TestScene(RenderWindow window)
{
mWindow = window;
mSimulator = new Simulator(mWindow, SOLVER_ITERATIONS);
mCircleZones = new List <CircleZone>(100);
mSpringConstraints = new List <AConstraint>(300);
mTriangleMidPoints = new List <TriangleMidpoint>(24);
mNodes = new List <Node>(100);
mCentroids = new List <Vector2f>(100);
mCurrentConnections = new List <CurrentConnection>(200);
mNetwork = new LinkedList <CurrentConnection>();
mCentroidMarker = new CircleShape(2);
mCentroidMarker.FillColor = Color.Black;
mCentroidMarker.Origin = new Vector2f(1, 1);
//Temp
rnd = new Random();
#region initZones
mCircleZones.Add(new CircleZone(mWindow, ZONE_INITIAL_RADIUS, new Vector2f(400, 200)));
mCircleZones.Add(new CircleZone(mWindow, ZONE_INITIAL_RADIUS, new Vector2f(450, 200)));
mCircleZones.Add(new CircleZone(mWindow, ZONE_INITIAL_RADIUS, new Vector2f(500, 200)));
mCircleZones.Add(new CircleZone(mWindow, ZONE_INITIAL_RADIUS, new Vector2f(375, 240)));
mCircleZones.Add(new CircleZone(mWindow, ZONE_INITIAL_RADIUS, new Vector2f(425, 240)));
mCircleZones.Add(new CircleZone(mWindow, ZONE_INITIAL_RADIUS, new Vector2f(475, 240)));
mCircleZones.Add(new CircleZone(mWindow, ZONE_INITIAL_RADIUS, new Vector2f(525, 240)));
mCircleZones.Add(new CircleZone(mWindow, ZONE_INITIAL_RADIUS, new Vector2f(350, 280)));
mCircleZones.Add(new CircleZone(mWindow, ZONE_INITIAL_RADIUS, new Vector2f(400, 280)));
mCircleZones.Add(new CircleZone(mWindow, ZONE_INITIAL_RADIUS, new Vector2f(450, 280)));
mCircleZones.Add(new CircleZone(mWindow, ZONE_INITIAL_RADIUS, new Vector2f(500, 280)));
mCircleZones.Add(new CircleZone(mWindow, ZONE_INITIAL_RADIUS, new Vector2f(550, 280)));
mCircleZones.Add(new CircleZone(mWindow, ZONE_INITIAL_RADIUS, new Vector2f(375, 320)));
mCircleZones.Add(new CircleZone(mWindow, ZONE_INITIAL_RADIUS, new Vector2f(425, 320)));
mCircleZones.Add(new CircleZone(mWindow, ZONE_INITIAL_RADIUS, new Vector2f(475, 320)));
mCircleZones.Add(new CircleZone(mWindow, ZONE_INITIAL_RADIUS, new Vector2f(525, 320)));
mCircleZones.Add(new CircleZone(mWindow, ZONE_INITIAL_RADIUS, new Vector2f(400, 360)));
mCircleZones.Add(new CircleZone(mWindow, ZONE_INITIAL_RADIUS, new Vector2f(450, 360)));
mCircleZones.Add(new CircleZone(mWindow, ZONE_INITIAL_RADIUS, new Vector2f(500, 360)));
for (int i = 0; i < mCircleZones.Count; i++)
{
mCircleZones[i].SetNodeIndex(i);
mSimulator.AddNode(i, mCircleZones[i].GetPosition(), 1);
mNodes.Add(mSimulator.GetNode(i));
}
mSpringConstraints.Add(new SpringConstraint(mNodes[0], mNodes[1]));
mSpringConstraints.Add(new SpringConstraint(mNodes[1], mNodes[2]));
mSpringConstraints.Add(new SpringConstraint(mNodes[0], mNodes[3]));
mSpringConstraints.Add(new SpringConstraint(mNodes[0], mNodes[4]));
mSpringConstraints.Add(new SpringConstraint(mNodes[1], mNodes[4]));
mSpringConstraints.Add(new SpringConstraint(mNodes[5], mNodes[1]));
mSpringConstraints.Add(new SpringConstraint(mNodes[5], mNodes[2]));
mSpringConstraints.Add(new SpringConstraint(mNodes[6], mNodes[2]));
mSpringConstraints.Add(new SpringConstraint(mNodes[3], mNodes[4]));
mSpringConstraints.Add(new SpringConstraint(mNodes[4], mNodes[5]));
mSpringConstraints.Add(new SpringConstraint(mNodes[6], mNodes[5]));
mSpringConstraints.Add(new SpringConstraint(mNodes[7], mNodes[3]));
mSpringConstraints.Add(new SpringConstraint(mNodes[3], mNodes[8]));
mSpringConstraints.Add(new SpringConstraint(mNodes[7], mNodes[8]));
mSpringConstraints.Add(new SpringConstraint(mNodes[8], mNodes[4]));
mSpringConstraints.Add(new SpringConstraint(mNodes[9], mNodes[4]));
mSpringConstraints.Add(new SpringConstraint(mNodes[9], mNodes[5]));
mSpringConstraints.Add(new SpringConstraint(mNodes[8], mNodes[9]));
mSpringConstraints.Add(new SpringConstraint(mNodes[10], mNodes[5]));
mSpringConstraints.Add(new SpringConstraint(mNodes[9], mNodes[10]));
mSpringConstraints.Add(new SpringConstraint(mNodes[6], mNodes[10]));
mSpringConstraints.Add(new SpringConstraint(mNodes[6], mNodes[11]));
mSpringConstraints.Add(new SpringConstraint(mNodes[10], mNodes[11]));
mSpringConstraints.Add(new SpringConstraint(mNodes[7], mNodes[12]));
mSpringConstraints.Add(new SpringConstraint(mNodes[8], mNodes[12]));
mSpringConstraints.Add(new SpringConstraint(mNodes[8], mNodes[13]));
mSpringConstraints.Add(new SpringConstraint(mNodes[12], mNodes[13]));
mSpringConstraints.Add(new SpringConstraint(mNodes[9], mNodes[13]));
mSpringConstraints.Add(new SpringConstraint(mNodes[9], mNodes[14]));
mSpringConstraints.Add(new SpringConstraint(mNodes[13], mNodes[14]));
mSpringConstraints.Add(new SpringConstraint(mNodes[14], mNodes[10]));
mSpringConstraints.Add(new SpringConstraint(mNodes[15], mNodes[10]));
mSpringConstraints.Add(new SpringConstraint(mNodes[14], mNodes[15]));
mSpringConstraints.Add(new SpringConstraint(mNodes[15], mNodes[11]));
mSpringConstraints.Add(new SpringConstraint(mNodes[16], mNodes[12]));
mSpringConstraints.Add(new SpringConstraint(mNodes[16], mNodes[13]));
mSpringConstraints.Add(new SpringConstraint(mNodes[16], mNodes[17]));
mSpringConstraints.Add(new SpringConstraint(mNodes[14], mNodes[17]));
mSpringConstraints.Add(new SpringConstraint(mNodes[17], mNodes[18]));
mSpringConstraints.Add(new SpringConstraint(mNodes[15], mNodes[18]));
mSpringConstraints.Add(new SpringConstraint(mNodes[14], mNodes[18]));
mSpringConstraints.Add(new SpringConstraint(mNodes[13], mNodes[17]));
for (int i = 0; i < mSpringConstraints.Count; i++)
{
SpringConstraint spring = (SpringConstraint)mSpringConstraints[i];
spring.mStiffness = (float)(1d - Math.Pow(1f - SPRING_STIFFNESS, 1f / 10f));
}
mSimulator.AddConstraints(mSpringConstraints);
mTriangleMidPoints.Add(new TriangleMidpoint(mCircleZones[0], mCircleZones[4], mCircleZones[3]));
mTriangleMidPoints.Add(new TriangleMidpoint(mCircleZones[0], mCircleZones[1], mCircleZones[4]));
mTriangleMidPoints.Add(new TriangleMidpoint(mCircleZones[1], mCircleZones[4], mCircleZones[5]));
mTriangleMidPoints.Add(new TriangleMidpoint(mCircleZones[1], mCircleZones[5], mCircleZones[2]));
mTriangleMidPoints.Add(new TriangleMidpoint(mCircleZones[2], mCircleZones[5], mCircleZones[6]));
mTriangleMidPoints.Add(new TriangleMidpoint(mCircleZones[3], mCircleZones[7], mCircleZones[8]));
mTriangleMidPoints.Add(new TriangleMidpoint(mCircleZones[3], mCircleZones[4], mCircleZones[8]));
mTriangleMidPoints.Add(new TriangleMidpoint(mCircleZones[4], mCircleZones[8], mCircleZones[9]));
mTriangleMidPoints.Add(new TriangleMidpoint(mCircleZones[4], mCircleZones[5], mCircleZones[9]));
mTriangleMidPoints.Add(new TriangleMidpoint(mCircleZones[5], mCircleZones[9], mCircleZones[10]));
mTriangleMidPoints.Add(new TriangleMidpoint(mCircleZones[5], mCircleZones[6], mCircleZones[10]));
mTriangleMidPoints.Add(new TriangleMidpoint(mCircleZones[6], mCircleZones[10], mCircleZones[11]));
mTriangleMidPoints.Add(new TriangleMidpoint(mCircleZones[7], mCircleZones[8], mCircleZones[12]));
mTriangleMidPoints.Add(new TriangleMidpoint(mCircleZones[12], mCircleZones[8], mCircleZones[13]));
mTriangleMidPoints.Add(new TriangleMidpoint(mCircleZones[8], mCircleZones[13], mCircleZones[9]));
mTriangleMidPoints.Add(new TriangleMidpoint(mCircleZones[13], mCircleZones[9], mCircleZones[14]));
mTriangleMidPoints.Add(new TriangleMidpoint(mCircleZones[9], mCircleZones[10], mCircleZones[14]));
mTriangleMidPoints.Add(new TriangleMidpoint(mCircleZones[14], mCircleZones[10], mCircleZones[15]));
mTriangleMidPoints.Add(new TriangleMidpoint(mCircleZones[10], mCircleZones[11], mCircleZones[15]));
mTriangleMidPoints.Add(new TriangleMidpoint(mCircleZones[12], mCircleZones[13], mCircleZones[16]));
mTriangleMidPoints.Add(new TriangleMidpoint(mCircleZones[16], mCircleZones[13], mCircleZones[17]));
mTriangleMidPoints.Add(new TriangleMidpoint(mCircleZones[13], mCircleZones[17], mCircleZones[14]));
mTriangleMidPoints.Add(new TriangleMidpoint(mCircleZones[17], mCircleZones[14], mCircleZones[18]));
mTriangleMidPoints.Add(new TriangleMidpoint(mCircleZones[14], mCircleZones[15], mCircleZones[18]));
mCurrentConnections.Add(new CurrentConnection(mTriangleMidPoints[0], mTriangleMidPoints[1]));
mCurrentConnections.Add(new CurrentConnection(mTriangleMidPoints[1], mTriangleMidPoints[2]));
mCurrentConnections.Add(new CurrentConnection(mTriangleMidPoints[2], mTriangleMidPoints[3]));
mCurrentConnections.Add(new CurrentConnection(mTriangleMidPoints[3], mTriangleMidPoints[4]));
mCurrentConnections.Add(new CurrentConnection(mTriangleMidPoints[0], mTriangleMidPoints[6]));
mCurrentConnections.Add(new CurrentConnection(mTriangleMidPoints[2], mTriangleMidPoints[8]));
mCurrentConnections.Add(new CurrentConnection(mTriangleMidPoints[10], mTriangleMidPoints[4]));
mCurrentConnections.Add(new CurrentConnection(mTriangleMidPoints[5], mTriangleMidPoints[6]));
mCurrentConnections.Add(new CurrentConnection(mTriangleMidPoints[6], mTriangleMidPoints[7]));
mCurrentConnections.Add(new CurrentConnection(mTriangleMidPoints[7], mTriangleMidPoints[8]));
mCurrentConnections.Add(new CurrentConnection(mTriangleMidPoints[9], mTriangleMidPoints[8]));
mCurrentConnections.Add(new CurrentConnection(mTriangleMidPoints[9], mTriangleMidPoints[10]));
mCurrentConnections.Add(new CurrentConnection(mTriangleMidPoints[10], mTriangleMidPoints[11]));
mCurrentConnections.Add(new CurrentConnection(mTriangleMidPoints[5], mTriangleMidPoints[12]));
mCurrentConnections.Add(new CurrentConnection(mTriangleMidPoints[14], mTriangleMidPoints[7]));
mCurrentConnections.Add(new CurrentConnection(mTriangleMidPoints[16], mTriangleMidPoints[9]));
mCurrentConnections.Add(new CurrentConnection(mTriangleMidPoints[18], mTriangleMidPoints[11]));
mCurrentConnections.Add(new CurrentConnection(mTriangleMidPoints[12], mTriangleMidPoints[13]));
mCurrentConnections.Add(new CurrentConnection(mTriangleMidPoints[13], mTriangleMidPoints[14]));
mCurrentConnections.Add(new CurrentConnection(mTriangleMidPoints[14], mTriangleMidPoints[15]));
mCurrentConnections.Add(new CurrentConnection(mTriangleMidPoints[15], mTriangleMidPoints[16]));
mCurrentConnections.Add(new CurrentConnection(mTriangleMidPoints[17], mTriangleMidPoints[16]));
mCurrentConnections.Add(new CurrentConnection(mTriangleMidPoints[17], mTriangleMidPoints[18]));
mCurrentConnections.Add(new CurrentConnection(mTriangleMidPoints[13], mTriangleMidPoints[19]));
mCurrentConnections.Add(new CurrentConnection(mTriangleMidPoints[15], mTriangleMidPoints[21]));
mCurrentConnections.Add(new CurrentConnection(mTriangleMidPoints[23], mTriangleMidPoints[17]));
mCurrentConnections.Add(new CurrentConnection(mTriangleMidPoints[19], mTriangleMidPoints[20]));
mCurrentConnections.Add(new CurrentConnection(mTriangleMidPoints[20], mTriangleMidPoints[21]));
mCurrentConnections.Add(new CurrentConnection(mTriangleMidPoints[21], mTriangleMidPoints[22]));
mCurrentConnections.Add(new CurrentConnection(mTriangleMidPoints[22], mTriangleMidPoints[23]));
#endregion
}
public void DeleteSpringMarker(SpringConstraint s)
{
DeleteMarker(SPRING_ID, s);
}