//here we go, thats the method called by vvvv each frame
//all data handling should be in here
public void Evaluate(int SpreadMax)
{
//if any of the inputs has changed
//recompute the outputs
if (
FInput.PinIsChanged ||
FRadius.PinIsChanged ||
FFactor.PinIsChanged ||
FSpreadCount.PinIsChanged
)
{
List <Vector3D> outVec = new List <Vector3D>();
double curXSlice, curYSlice, curZSlice, xPos, yPos, zPos;
double tmpSize, currentRadius, currentFactor;
int currentBinSize = 0, myIncrement = 0;
double dlong, l, dz, z, r; //part of the formula
dlong = Math.PI * (3 - Math.Sqrt(5.0)); //part of the formula
FOutput.SliceCount = 0;
//loop for maximal spread count
for (int i = 0; i < SpreadMax; i++)
{
FInput.GetValue3D(i, out curXSlice, out curYSlice, out curZSlice);
FRadius.GetValue(i, out currentRadius);
FFactor.GetValue(i, out currentFactor);
FSpreadCount.GetValue(i, out tmpSize);
currentBinSize = (int)Math.Round(tmpSize); //use spreadcount as an integer
dz = (currentFactor * 2.0) / currentBinSize; //part of the formula
z = 1.0 - dz / 2.0; //part of the formula
l = 0.0; //part of the formula
//loop for each bin size
for (int j = 0; j < currentBinSize; j++)
{
r = Math.Sqrt(1.0 - z * z);
xPos = Math.Cos(l) * r * currentRadius;
yPos = Math.Sin(l) * r * currentRadius;
zPos = z * currentRadius;
z = z - dz;
l = l + dlong;
//set output
outVec.Add(new Vector3D(xPos + curXSlice, yPos + curYSlice, zPos + curZSlice));
}
myIncrement += currentBinSize;
}
FOutput.SliceCount = outVec.Count;
for (int i = 0; i < outVec.Count; i++)
{
FOutput.SetValue3D(i, outVec[i].x, outVec[i].y, outVec[i].z);
}
}
}
//here we go, thats the method called by vvvv each frame
//all data handling should be in here
public void Evaluate(int SpreadMax)
{
/* originally it was
* int sliceCount = VMath.Binomial(FMyValueInput.SliceCount, 2)*2;
* but this algorithm is better
*/
int sliceCount = 0;
for (int i = 1; i < FMyValueInput.SliceCount; i++)
{
sliceCount += i;
}
sliceCount *= 2;
//FHost.Log(TLogType.Debug, "sliceCount = " + sliceCount);
//if any of the inputs has changed
//recompute the outputs
if (FMyValueInput.PinIsChanged)
{
FMyValueOutput.SliceCount = sliceCount;
double x1, y1, z1, x2, y2, z2;
int counter = 0;
//loop for all slices
for (int i = 0; i < FMyValueInput.SliceCount; i++)
{
//read data from inputs
FMyValueInput.GetValue3D(i, out x1, out y1, out z1);
for (int j = i + 1; j < FMyValueInput.SliceCount; j++)
{
FMyValueOutput.SetValue3D(counter, x1, y1, z1);
counter++;
FMyValueInput.GetValue3D(j, out x2, out y2, out z2);
FMyValueOutput.SetValue3D(counter, x2, y2, z2);
counter++;
}
}
}
}
//here we go, thats the method called by vvvv each frame
//all data handling should be in here
public void Evaluate(int SpreadMax)
{
//if any of the inputs has changed
//recompute the outputs
if (FPositionInput.PinIsChanged || FVectorSizeInput.PinIsChanged ||
FV010Input.PinIsChanged || FV110Input.PinIsChanged || FV100Input.PinIsChanged || FV000Input.PinIsChanged ||
FV011Input.PinIsChanged || FV111Input.PinIsChanged || FV101Input.PinIsChanged || FV001Input.PinIsChanged)
{
//get vector size
double vs;
FVectorSizeInput.GetValue(0, out vs);
int vectorSize = (int)vs;
SpreadMax = Math.Max(SpreadMax, FPositionInput.SliceCount * vectorSize);
//first set slicecounts for all outputs
//the incoming int SpreadMax is the maximum slicecount of all input pins, which is a good default
FPositionOutput.SliceCount = SpreadMax;
//the variables to fill with the input data
Vector3D vectorSlice;
double V010Slice;
double V110Slice;
double V100Slice;
double V000Slice;
double V011Slice;
double V111Slice;
double V101Slice;
double V001Slice;
//loop for all slices
for (int i = 0; i < SpreadMax; i++)
{
//read data from inputs
FPositionInput.GetValue3D(i / vectorSize, out vectorSlice.x, out vectorSlice.y, out vectorSlice.z);
FV010Input.GetValue(i, out V010Slice);
FV110Input.GetValue(i, out V110Slice);
FV100Input.GetValue(i, out V100Slice);
FV000Input.GetValue(i, out V000Slice);
FV011Input.GetValue(i, out V011Slice);
FV111Input.GetValue(i, out V111Slice);
FV101Input.GetValue(i, out V101Slice);
FV001Input.GetValue(i, out V001Slice);
//function per slice
V000Slice = VMath.Trilerp(vectorSlice, V010Slice, V110Slice, V100Slice, V000Slice,
V011Slice, V111Slice, V101Slice, V001Slice);
//write data to outputs
FPositionOutput.SetValue(i, V000Slice);
}
}
}
//here we go, thats the method called by vvvv each frame
//all data handling should be in here
public void Evaluate(int SpreadMax)
{
//if any of the inputs has changed
//recompute the outputs
if (FPinInVertices.PinIsChanged || FPinInCenter.PinIsChanged || FPinInRadius.PinIsChanged)
{
/*
* FHost.Log(TLogType.Debug, "FPinInVertices.SliceCount " + FPinInVertices.SliceCount);
* FHost.Log(TLogType.Debug, "FPinInCenter.SliceCount " + FPinInCenter.SliceCount);
* FHost.Log(TLogType.Debug, "FPinInRadius.SliceCount " + FPinInRadius.SliceCount);
*/
FPinOutVertices.SliceCount = FPinInVertices.SliceCount * FPinInCenter.SliceCount * FPinInRadius.SliceCount;
int index = 0;
double pointX, pointY, pointZ;
double radius;
double centerX, centerY, centerZ;
double inversionFactor;
//loop for all slices
for (int i = 0; i < FPinInVertices.SliceCount; i++)
{
FPinInVertices.GetValue3D(i, out pointX, out pointY, out pointZ);
for (int j = 0; j < FPinInCenter.SliceCount; j++)
{
FPinInCenter.GetValue3D(j, out centerX, out centerY, out centerZ);
pointX -= centerX;
pointY -= centerY;
pointZ -= centerZ;
for (int k = 0; k < FPinInRadius.SliceCount; k++)
{
FPinInRadius.GetValue(k, out radius);
inversionFactor = radius * radius / (pointX * pointX + pointY * pointY + pointZ * pointZ);
pointX *= inversionFactor;
pointY *= inversionFactor;
pointZ *= inversionFactor;
pointX += centerX;
pointY += centerY;
pointZ += centerZ;
FPinOutVertices.SetValue3D(index, pointX, pointY, pointZ);
index++;
}
}
}
}
}
//here we go, thats the method called by vvvv each frame
//all data handling should be in here
public void Evaluate(int SpreadMax)
{
//if any of the inputs has changed
//recompute the outputs
if (FPositionInput.PinIsChanged || FOctavesInput.PinIsChanged ||
FFrequencyInput.PinIsChanged || FPersistanceInput.PinIsChanged)
{
//first set slicecounts for all outputs
//the incoming int SpreadMax is the maximum slicecount of all input pins, which is a good default
FOutput.SliceCount = SpreadMax;
double octaves, freq, pers;
FOctavesInput.GetValue(0, out octaves);
FFrequencyInput.GetValue(0, out freq);
FPersistanceInput.GetValue(0, out pers);
//the variable to fill with the input position
Vector3D pos;
//loop for all slices
for (int i = 0; i < SpreadMax; i++)
{
//read position from inputs
FPositionInput.GetValue3D(i, out pos.x, out pos.y, out pos.z);
//noise function per slice
double noiseVal = 0;
for (int o = 0; o <= (int)octaves; o++)
{
double comul = Math.Pow(freq, o);
noiseVal += SimplexNoise.noise(pos.x * comul, pos.y * comul, pos.z * comul) * Math.Pow(pers, o);
}
//write data to outputs
FOutput.SetValue(i, noiseVal);
}
}
}
public void Evaluate(int SpreadMax)
{
//calc input spreadcount
int inputSpreadCount = SpreadMax;
//create or delete systems
int diff = inputSpreadCount - FParticleSystemsList.Count;
if (diff > 0)
{
for (int i = 0; i < diff; i++)
{
FParticleSystemsList.Add(new ParticleSystem());
}
}
else if (diff < 0)
{
for (int i = 0; i < -diff; i++)
{
FParticleSystemsList.RemoveAt(FParticleSystemsList.Count - 1 - i);
}
}
//update 3D parameters
int slice;
if (FInitPositionsIn.PinIsChanged ||
FVelDirectionIn.PinIsChanged ||
FVelDeviationIn.PinIsChanged ||
FAccDirectionIn.PinIsChanged ||
FAccDeviationIn.PinIsChanged)
{
for (slice = 0; slice < inputSpreadCount; slice++)
{
ParticleSystem ps = (ParticleSystem)FParticleSystemsList[slice];
double x, y, z;
//update origins
FInitPositionsIn.GetValue3D(slice, out x, out y, out z);
ps.origin = new Vector3D(x, y, z);
//update directions
FVelDirectionIn.GetValue3D(slice, out x, out y, out z);
ps.direction = new Vector3D(x, y, z);
//update deviation
FVelDeviationIn.GetValue3D(slice, out x, out y, out z);
ps.deviation = new Vector3D(x, y, z);
//update acceleration deviation
FAccDirectionIn.GetValue3D(slice, out x, out y, out z);
ps.accDirection = new Vector3D(x, y, z);
//update acceleration deviation
FAccDeviationIn.GetValue3D(slice, out x, out y, out z);
ps.accDeviation = new Vector3D(x, y, z);
}
}
//update single parameters
if (FMassIn.PinIsChanged ||
FMassDeviationIn.PinIsChanged ||
FLifetimeIn.PinIsChanged ||
FLifetimeDeviationIn.PinIsChanged ||
FIsInfluencedIn.PinIsChanged ||
FInfluenceIn.PinIsChanged ||
FInfluenceAmountIn.PinIsChanged ||
FdtIn.PinIsChanged)
{
for (slice = 0; slice < inputSpreadCount; slice++)
{
ParticleSystem ps = (ParticleSystem)FParticleSystemsList[slice];
double mass, massDeviation;
double lifetimeIn, lifetimeDeviation;
double isInfluenced, influenceAmount, influences;
double dt;
FMassIn.GetValue(slice, out mass);
FMassDeviationIn.GetValue(slice, out massDeviation);
FLifetimeIn.GetValue(slice, out lifetimeIn);
FLifetimeDeviationIn.GetValue(slice, out lifetimeDeviation);
FIsInfluencedIn.GetValue(slice, out isInfluenced);
FInfluenceAmountIn.GetValue(slice, out influenceAmount);
FInfluenceIn.GetValue(slice, out influences);
FdtIn.GetValue(slice, out dt);
ps.mass = mass;
ps.massDeviation = massDeviation;
ps.lifetime = lifetimeIn;
ps.lifetimeDeviation = lifetimeDeviation;
ps.influences = (influences >= 0.5);
ps.isInfluenced = (isInfluenced >= 0.5);
ps.influenceAmount = influenceAmount;
ps.dt = dt;
}
}
//force calculation
UpdateForce();
// Cycle through all particle systems, run them and get particle counts
FSpreadCountsOut.SliceCount = FParticleSystemsList.Count;
int outcount = 0;
slice = 0;
for (slice = 0; slice < inputSpreadCount; slice++)
{
ParticleSystem ps = (ParticleSystem)FParticleSystemsList[slice];
//add new particle ?
double emit;
FEmitIn.GetValue(slice, out emit);
if (emit >= 0.5)
{
ps.addParticle();
}
//update system
double time;
FHost.GetCurrentTime(out time);
ps.run(0.1);
FLastTime = time;
//check particle count
outcount += ps.particles.Count;
FSpreadCountsOut.SetValue(slice, ps.particles.Count);
}
//write output to pins
FPosOut.SliceCount = outcount;
FAgeOut.SliceCount = outcount;
FHeadingOut.SliceCount = outcount;
slice = 0;
for (int i = 0; i < inputSpreadCount; i++)
{
ParticleSystem ps = (ParticleSystem)FParticleSystemsList[i];
int pcount = ps.particles.Count;
for (int j = 0; j < pcount; j++)
{
Particle p = (Particle)ps.particles[j];
FPosOut.SetValue3D(slice, p.loc.x, p.loc.y, p.loc.z);
FHeadingOut.SetValue3D(slice, p.vel.x, p.vel.y, p.vel.z);
FAgeOut.SetValue(slice, 1 - p.age());
slice++;
}
}
}
//here we go, thats the method called by vvvv each frame
//all data handling should be in here
public void Evaluate(int SpreadMax)
{
//if any of the inputs has changed
//recompute the outputs
bool recalculate = false;
bool chainRangeChanged = false;
bool recalculateOrientation = false;
if (FChainStart.PinIsChanged)
{
FChainStart.GetString(0, out chainStart);
recalculate = true;
chainRangeChanged = true;
}
if (FChainEnd.PinIsChanged)
{
FChainEnd.GetString(0, out chainEnd);
recalculate = true;
chainRangeChanged = true;
}
object currInterface;
if (FPoseInput.PinIsChanged || chainRangeChanged)
{
if (FPoseInput.IsConnected)
{
FPoseInput.GetUpstreamInterface(out currInterface);
Skeleton s = (Skeleton)currInterface;
if (outputSkeleton == null || !s.Uid.Equals(outputSkeleton.Uid))
{
outputSkeleton = (Skeleton)((Skeleton)currInterface).DeepCopy();
outputSkeleton.BuildJointTable();
workingSkeleton = (Skeleton)outputSkeleton.DeepCopy();
workingSkeleton.BuildJointTable();
chainRangeChanged = true;
}
else
{
foreach (KeyValuePair <string, IJoint> pair in s.JointTable)
{
if (!jointChain.Exists(delegate(IJoint j) { return(j.Name == pair.Key); }))
{
outputSkeleton.JointTable[pair.Key].BaseTransform = pair.Value.BaseTransform;
outputSkeleton.JointTable[pair.Key].AnimationTransform = pair.Value.AnimationTransform;
workingSkeleton.JointTable[pair.Key].BaseTransform = pair.Value.BaseTransform;
workingSkeleton.JointTable[pair.Key].AnimationTransform = pair.Value.AnimationTransform;
}
outputSkeleton.JointTable[pair.Key].Constraints = pair.Value.Constraints;
workingSkeleton.JointTable[pair.Key].Constraints = pair.Value.Constraints;
}
}
workingSkeleton.CalculateCombinedTransforms();
recalculate = true;
}
else
{
outputSkeleton = null;
}
}
if (FVelocityInput.PinIsChanged)
{
double x;
FVelocityInput.GetValue(0, out x);
iterationsPerFrame = (int)(x * 10);
}
if (iterationsPerFrame > 0)
{
if (FTargetInput.PinIsChanged)
{
targetPosW = new Vector3D();
FTargetInput.GetValue3D(0, out targetPosW.x, out targetPosW.y, out targetPosW.z);
recalculate = true;
}
if (FEpsilonInput.PinIsChanged)
{
FEpsilonInput.GetValue(0, out epsilon);
recalculate = true;
}
if (FPoleTargetInput.PinIsChanged || FEnablePoleTargetInput.PinIsChanged)
{
double x;
FEnablePoleTargetInput.GetValue(0, out x);
enablePoleTarget = x > 0.0;
poleTargetW = new Vector3D();
FPoleTargetInput.GetValue3D(0, out poleTargetW.x, out poleTargetW.y, out poleTargetW.z);
recalculateOrientation = true;
}
if (chainRangeChanged && outputSkeleton != null)
{
initRotations();
}
double delta = VMath.Dist(endPosW, targetPosW);
if ((delta > epsilon || recalculate) && outputSkeleton != null && !string.IsNullOrEmpty(chainStart) && !string.IsNullOrEmpty(chainEnd))
{
List <Vector2D> constraints = new List <Vector2D>();
for (int i = 0; i < iterationsPerFrame; i++)
{
for (int j = 0; j < 3; j++)
{
IJoint currJoint = workingSkeleton.JointTable[chainEnd];
endPosW = currJoint.CombinedTransform * new Vector3D(0);
while (currJoint.Name != chainStart)
{
currJoint = currJoint.Parent;
Vector3D rotationAxis = new Vector3D(0, 0, 0);
rotationAxis[j] = 1;
double torque = calculateTorque(currJoint, rotationAxis);
Vector3D rot = rotations[currJoint.Name];
if ((rot[j] + torque) < currJoint.Constraints[j].x * 2 * Math.PI || (rot[j] + torque) > currJoint.Constraints[j].y * 2 * Math.PI)
{
torque = 0;
}
Matrix4x4 newTransform = VMath.Rotate(torque * rotationAxis.x, torque * rotationAxis.y, torque * rotationAxis.z) * currJoint.AnimationTransform;
Vector3D testVec = newTransform * new Vector3D(0);
if (!Double.IsInfinity(testVec.x) && !Double.IsNaN(testVec.x)) // an evil bug fix, to avoid n.def. values in animation transform matrix. the actual reason, why this would happen has not been found yet.
{
rot[j] += torque;
rotations[currJoint.Name] = rot;
currJoint.AnimationTransform = newTransform;
outputSkeleton.JointTable[currJoint.Name].AnimationTransform = currJoint.AnimationTransform;
}
}
}
try
{
Matrix4x4 pre;
if (workingSkeleton.JointTable[chainStart].Parent != null)
{
pre = workingSkeleton.JointTable[chainStart].Parent.CombinedTransform;
}
else
{
pre = VMath.IdentityMatrix;
}
((JointInfo)workingSkeleton.JointTable[chainStart]).CalculateCombinedTransforms(pre);
}
catch (Exception)
{
workingSkeleton.CalculateCombinedTransforms();
}
}
FPoseOutput.MarkPinAsChanged();
}
if ((recalculate || recalculateOrientation) && enablePoleTarget && outputSkeleton != null && !string.IsNullOrEmpty(chainStart) && !string.IsNullOrEmpty(chainEnd))
{
endPosW = workingSkeleton.JointTable[chainEnd].CombinedTransform * new Vector3D(0);
Vector3D poleTargetLocal = VMath.Inverse(workingSkeleton.JointTable[chainStart].CombinedTransform) * poleTargetW;
Vector3D t = VMath.Inverse(workingSkeleton.JointTable[chainStart].CombinedTransform) * endPosW; // endpoint in local coords
Vector3D a = VMath.Inverse(workingSkeleton.JointTable[chainStart].CombinedTransform) * (workingSkeleton.JointTable[chainStart].Children[0].CombinedTransform * new Vector3D(0)); // next child in local coords
Vector3D x = t * ((a.x * t.x + a.y * t.y + a.z * t.z) / Math.Pow(VMath.Dist(new Vector3D(0), t), 2));
Vector3D y = t * ((poleTargetLocal.x * t.x + poleTargetLocal.y * t.y + poleTargetLocal.z * t.z) / Math.Pow(VMath.Dist(new Vector3D(0), t), 2));
Vector3D c = poleTargetLocal - y;
Vector3D b = a - x;
double angle = vectorAngle(b, c);
Vector3D n = new Vector3D();
n.x = c.y * b.z - c.z * b.y;
n.y = c.z * b.x - c.x * b.z;
n.z = c.x * b.y - c.y * b.x;
n = n / VMath.Dist(new Vector3D(0), n);
FDebugOutput.SetValue(0, angle);
chainRotation = RotateAroundAxis(angle, n);
FPoseOutput.MarkPinAsChanged();
}
if (!enablePoleTarget)
{
chainRotation = VMath.IdentityMatrix;
}
outputSkeleton.JointTable[chainStart].AnimationTransform = chainRotation * outputSkeleton.JointTable[chainStart].AnimationTransform;
}
FPoseOutput.SetInterface(outputSkeleton);
}
//here we go, thats the method called by vvvv each frame
//all data handling should be in here
public void Evaluate(int SpreadMax)
{
//if any of the inputs has changed
//recompute the outputs
FP1.SliceCount = SpreadMax;
FP2.SliceCount = SpreadMax;
FIntersections.SliceCount = SpreadMax;
for (int i = 0; i < SpreadMax; i++)
{
double Ax, Ay, Az;
double Bx, By, Bz;
double Cx, Cy, Cz;
FA.GetValue3D(0, out Ax, out Ay, out Az);
FB.GetValue3D(0, out Bx, out By, out Bz);
FC.GetValue3D(0, out Cx, out Cy, out Cz);
double r_a, r_b, r_c;
FRA.GetValue(i, out r_a);
FRB.GetValue(i, out r_b);
FRC.GetValue(i, out r_c);
double P1x = 0, P1y = 0, P1z = 0;
double P2x = 0, P2y = 0, P2z = 0;
double Asquare = Math.Pow(Ax, 2) + Math.Pow(Ay, 2) + Math.Pow(Az, 2);
double Bsquare = Math.Pow(Bx, 2) + Math.Pow(By, 2) + Math.Pow(Bz, 2);
double Csquare = Math.Pow(Cx, 2) + Math.Pow(Cy, 2) + Math.Pow(Cz, 2);
double ABx = Bx - Ax;
double ABy = By - Ay;
double ABz = Bz - Az;
double ACx = Cx - Ax;
double ACy = Cy - Ay;
double ACz = Cz - Az;
double m = (Math.Pow(r_a, 2) - Math.Pow(r_b, 2) - Asquare + Bsquare) * ACz;
double n = (Math.Pow(r_a, 2) - Math.Pow(r_c, 2) - Asquare + Csquare) * ABz;
double o = ABy * ACz - ACy * ABz;
double q = ACx * ABz - ABx * ACz;
double v = (Math.Pow(r_a, 2) - Math.Pow(r_b, 2) - Asquare + Bsquare) / (2 * ABz) - Az;
double w = (1 + Math.Pow(ABy, 2) / Math.Pow(ABz, 2));
double r = ABx / ABz;
double s = ABy / ABz;
double t = Math.Pow(Ax, 2) + Math.Pow(Ay, 2) + Math.Pow(v, 2) - Math.Pow(r_a, 2);
double a = (m - n) / (2 * o);
double b = q / o;
//(1+r^2+b^2*w+2brs)P.x^2 + (2abw+2ars-2A.x-2rv-2b(A.y + sv))P.x + w*a^2 - 2a(A.y + sv) + t = 0
int solutions;
QuadraticEquation(1 + Math.Pow(r, 2) + Math.Pow(b, 2) * w + 2 * b * r * s,
2 * a * b * w + 2 * a * r * s - 2 * Ax - 2 * r * v - 2 * b * (Ay + s * v),
w * Math.Pow(a, 2) - 2 * a * (Ay + s * v) + t,
out P1x, out P2x, out solutions);
FIntersections.SetValue(i, solutions);
P1y = P1x * b + a;
//P.z = (r_a^2 - r_b^2 - 2*P.x*AB.x - 2*P.y*AB.y - |A|^2 + |B|^2) / (2*AB.z)
P1z = (Math.Pow(r_a, 2) - Math.Pow(r_b, 2) - 2 * P1x * ABx - 2 * P1y * ABy - Asquare + Bsquare) / (2 * ABz);
P2y = P2x * b + a;
P2z = (Math.Pow(r_a, 2) - Math.Pow(r_b, 2) - 2 * P2x * ABx - 2 * P2y * ABy - Asquare + Bsquare) / (2 * ABz);
FP1.SetValue3D(i, P1x, P1y, P1z);
FP2.SetValue3D(i, P2x, P2y, P2z);
}
}