public void PrependShell()
{
Vector3 loc = shells[0].getLocalLocationAlongPath(-1);
Quaternion rot = shells[0].getLocalRotationAlongPath(-1);
TelescopeParameters p = new TelescopeParameters(shells[0].getParameters());
p.radius += p.thickness;
// Create the new shell object
GameObject newShell = new GameObject();
TelescopeShell shell = newShell.AddComponent <TelescopeShell>();
shell.GenerateGeometry(p, null);
shell.setMaterial(material);
Vector3 shellLoc = shells[0].transform.position;
Quaternion shellRot = shells[0].transform.rotation;
// Move the new shell to be in position to receive the old one
shell.transform.parent = shells[0].transform.parent;
shell.transform.position = shellLoc + shellRot * loc;
shell.transform.rotation = shellRot * rot;
// Reparent the old starting shell so it becomes the child of the new one
shells[0].baseTranslation = Vector3.zero;
shells[0].baseRotation = Quaternion.identity;
shells[0].transform.parent = shell.transform;
shell.extensionRatio = shells[0].extensionRatio;
shells.Insert(0, shell);
}
public void MakeShellsFromDiffs(List <TelescopeParameters> diffs)
{
initNumShells = diffs.Count;
parameters = diffs;
shells = new List <TelescopeShell>();
initialDirection.Normalize();
// Compute the absolute parameter values from the list of diffs we are given.
List <TelescopeParameters> concreteParams = new List <TelescopeParameters>();
TelescopeParameters theParams = diffs[0];
concreteParams.Add(new TelescopeParameters(diffs[0]));
for (int i = 1; i < initNumShells; i++)
{
if (diffs[i].radius > -wallThickness)
{
diffs[i].radius = -wallThickness;
}
theParams = theParams + diffs[i];
theParams.length -= 0; // wallThickness;
//theParams.radius -= wallThickness;
concreteParams.Add(theParams);
}
// Make sure the final shell is greater than the minimum possible width.
if (concreteParams[concreteParams.Count - 1].radius < wallThickness)
{
concreteParams[concreteParams.Count - 1].radius = wallThickness;
}
// Make sure that all the shells fit inside each other.
TelescopeUtils.growChainToFit(concreteParams);
MakeShellsFromFinalList(concreteParams);
}
public TelescopeShell addChildShell(TelescopeShell parent,
TelescopeParameters parentParams, TelescopeParameters childParams,
TelescopeParameters nextParams, bool isNotLast)
{
int i = shells.Count;
// Make the new shell, and set the previous shell as its parent
GameObject shellObj = new GameObject();
shellObj.transform.parent = parent.transform;
shellObj.name = name + "-shell" + i;
// Make the geometry, etc.
TelescopeShell newShell = shellObj.AddComponent <TelescopeShell>();
newShell.GenerateGeometry(childParams, nextParams, doOverhang: true);
newShell.setMaterial(material);
// Set the shell's rest transformation relative to its parent.
// When the shell's current extension ratio is 0, this is where
// it is located relative to its parent.
// newShell.baseRadians = newShell.radiansOfLength(wallThickness);
newShell.baseTranslation = TelescopeUtils.childBasePosition(parentParams, childParams);
newShell.baseRotation = TelescopeUtils.childBaseRotation(parentParams, childParams);
shells.Add(newShell);
shellObj.layer = 8;
newShell.containingSegment = this;
return(newShell);
}
public TelescopeParameters(TelescopeParameters baseParams, TelescopeParameters diff)
{
length = baseParams.length + diff.length;
radius = baseParams.radius + diff.radius;
thickness = baseParams.thickness;
curvature = baseParams.curvature + diff.curvature;
torsion = baseParams.torsion + diff.torsion;
twistFromParent = diff.twistFromParent;
}
public TelescopeParameters(TelescopeParameters toCopy)
{
length = toCopy.length;
radius = toCopy.radius;
thickness = toCopy.thickness;
curvature = toCopy.curvature;
torsion = toCopy.torsion;
twistFromParent = toCopy.twistFromParent;
}
CylinderMesh GenerateInnerCylinder(TelescopeParameters nextParams, bool overhang, float arcOffset,
int extraRings = 0)
{
TelescopeParameters ourParams = getParameters();
CylinderMesh innerCyl;
// If there is a change in profile from this shell to the next...
if (nextParams != null && (nextParams.curvature != curvature || nextParams.torsion != torsion ||
nextParams.radius < radius - Constants.WALL_THICKNESS * 1.01f))
{
// Generate the outer profile of the child shell; this will become
// the inner profile of this shell.
TelescopeParameters innerParams = new TelescopeParameters(nextParams.length, nextParams.radius,
nextParams.thickness, nextParams.curvature, nextParams.torsion, nextParams.twistFromParent);
innerCyl = GenerateCylinder(innerParams,
Constants.TAPER_SLOPE, innerGroove: true, overhang: overhang,
extraRings: extraRings);
// Move and rotate the inner profile so that the end circles align.
Quaternion alignRotation = TelescopeUtils.childBaseRotation(ourParams, nextParams);
Vector3 alignTranslation = TelescopeUtils.childBasePosition(ourParams, nextParams);
Quaternion backRotation = TelescopeUtils.RotateAlongHelix(nextParams.curvature,
nextParams.torsion, arcOffset);
Vector3 backTranslation = TelescopeUtils.TranslateAlongHelix(nextParams.curvature,
nextParams.torsion, arcOffset);
innerCyl.ApplyRotation(backRotation);
innerCyl.ApplyTranslation(backTranslation);
innerCyl.ApplyRotation(alignRotation);
innerCyl.ApplyTranslation(alignTranslation);
}
else
{
TelescopeParameters innerParams = new TelescopeParameters(length, radius - thickness,
thickness, curvature, torsion, 0);
innerCyl = GenerateCylinder(innerParams,
Constants.TAPER_SLOPE, innerGroove: (nextParams != null), overhang: overhang,
extraRings: extraRings);
if (nextParams != null)
{
Quaternion backRotation = TelescopeUtils.RotateAlongHelix(nextParams.curvature,
nextParams.torsion, arcOffset);
Vector3 backTranslation = TelescopeUtils.TranslateAlongHelix(nextParams.curvature,
nextParams.torsion, arcOffset);
innerCyl.ApplyRotation(backRotation);
innerCyl.ApplyTranslation(backTranslation);
}
}
return(innerCyl);
}
public static void growParentToChildHelix(TelescopeParameters parent, TelescopeParameters child, bool shrinkFit = false)
{
float maxRequiredRadius = 0;
// Find the largest radius necessary at every point along the parent arc
for (int i = 0; i <= Constants.CUTS_PER_CYLINDER; i++)
{
float arcPos = parent.length / Constants.CUTS_PER_CYLINDER * i;
Vector3 parentPos = TranslateAlongHelix(parent.curvature, parent.torsion, arcPos);
Vector3 parentT = FrameAlongHelix(parent.curvature, parent.torsion, arcPos).T;
float minDot = 1;
Vector3 closestPoint = parentPos;
float closestArc = 0;
// Find the point on the second arc nearest to the normal of the first one.
for (int j = 0; j <= Constants.CUTS_PER_CYLINDER; j++)
{
float childArc = child.length / Constants.CUTS_PER_CYLINDER * j;
Vector3 childPos = TranslateAlongHelix(child.curvature, child.torsion, childArc);
Vector3 childOffset = childPos - parentPos;
// Want the point to be in the orthogonal plane of the tangent, since
// the cross-sections of the shell are circular in that plane
float dot = Vector3.Dot(childOffset.normalized, parentT.normalized);
if (Mathf.Abs(dot) < minDot)
{
minDot = Mathf.Abs(dot);
closestPoint = childPos;
closestArc = childArc;
}
}
// Don't count the change if the dot product is too large, because this probably means
// we went past the end of the arc segment.
if (minDot > 0.3f)
{
continue;
}
// Write out the parameters for the circle in the child shell
Vector3 closestTangent = FrameAlongHelix(child.curvature, child.torsion, closestArc).T;
// Get the farthest point on the outside of the child shell
Vector3 farthest = FarthestPointOnCircle(closestPoint, closestTangent, child.radius, parentPos);
float requiredRadius = Vector3.Distance(farthest, parentPos);
maxRequiredRadius = Mathf.Max(requiredRadius, maxRequiredRadius);
}
// Account for wall thickness
maxRequiredRadius += Constants.WALL_THICKNESS;
// Widen the parent so it contains the child shell.
// However, don't ever decrease the thickness.
parent.radius = Mathf.Max(parent.radius, maxRequiredRadius);
}
/// <summary>
/// Returns the local rotation of a child shell with the given parameters,
/// such that, when used with the local position from childBasePosition,
/// the end cross-section of the child will be perfectly aligned
/// with the end cross-section of the parent with its parameters.
/// </summary>
/// <param name="parent"></param>
/// <param name="child"></param>
/// <param name="useTorsion"></param>
/// <returns></returns>
public static Quaternion childBaseRotation(TelescopeParameters parent,
TelescopeParameters child, bool useTorsion = true)
{
float parentTorsion = (useTorsion) ? parent.torsion : 0;
float childTorsion = (useTorsion) ? child.torsion : 0;
Quaternion rotationToBase = RotateAlongHelix(parent.curvature, parentTorsion, parent.length);
Quaternion rotationBack = RotateAlongHelix(child.curvature, childTorsion, -child.length);
return(rotationToBase * rotationBack);
}
/// <summary>
/// Returns the local position of a child shell with the given parameters,
/// such that (when combined with the local rotation from childBaseRotation)
/// the end cross-section of the child will be perfectly aligned
/// with the end cross-section of the parent with its parameters.
/// </summary>
/// <param name="parent"></param>
/// <param name="child"></param>
/// <param name="useTorsion"></param>
/// <returns></returns>
public static Vector3 childBasePosition(TelescopeParameters parent,
TelescopeParameters child, bool useTorsion = true)
{
float parentTorsion = (useTorsion) ? parent.torsion : 0;
float childTorsion = (useTorsion) ? child.torsion : 0;
Vector3 translationToBase = TranslateAlongHelix(parent.curvature, parentTorsion, parent.length);
Quaternion rotationToBase = RotateAlongHelix(parent.curvature, parentTorsion, parent.length);
Vector3 translationBackwards = TranslateAlongHelix(child.curvature, childTorsion, -child.length);
translationToBase = translationToBase + (rotationToBase * translationBackwards);
return(translationToBase);
}
public static void growParentToChild(TelescopeParameters parent, TelescopeParameters child, bool shrinkFit = false)
{
// Compute the coordinates of the child's starting position,
// in the parent's coordinate frame.
Vector3 childBasePos = childBasePosition(parent, child);
Quaternion childBaseRot = childBaseRotation(parent, child);
Vector3 childOutward = childBaseRot * Vector3.down;
// Compute the two inner corners of the child, when nested inside its
// parent; these are the corners we want to bounds check.
Vector3 retractedInner = childBasePos - (child.radius * childOutward);
Vector3 retractedOuter = childBasePos + (child.radius * childOutward);
// If the parent has no curvature, then the required width is just the
// max absolute y value of the child.
float finalRadius;
if (parent.curvature < 1e-6)
{
finalRadius = Mathf.Max(Mathf.Abs(retractedInner.y), Mathf.Abs(retractedOuter.y)) + parent.thickness;
if (!shrinkFit)
{
finalRadius = Mathf.Max(finalRadius, parent.radius);
}
}
// Otherwise we need to compute the distance from the center line to the
// corners, and take their max distance.
else
{
// Fact: The centers of rotation for the parent and the extended child both lie
// on the line (in the ZY plane) defined by the parent's center and its far face.
float parentRadius = 1f / parent.curvature;
Vector3 centerOfRotation = new Vector3(0, parentRadius, 0);
// Now we can determine what width we need to 'fatten' the parent by.
float innerDistance = Vector3.Distance(retractedInner, centerOfRotation);
float outerDistance = Vector3.Distance(retractedOuter, centerOfRotation);
float innerDiff = Mathf.Abs(innerDistance - parentRadius);
float outerDiff = Mathf.Abs(outerDistance - parentRadius);
finalRadius = Mathf.Max(innerDiff, outerDiff) + parent.thickness;
if (!shrinkFit)
{
finalRadius = Mathf.Max(finalRadius, parent.radius);
}
}
parent.radius = finalRadius;
// parent.thickness += widthChange;
}
CylinderMesh GenerateCylinder(TelescopeParameters tParams, float slope,
bool innerGroove = false, bool outerGroove = false, bool overhang = true,
int extraRings = 0)
{
// We basically need to sweep a circular cross-section along a circular path.
List <List <IndexedVertex> > circles = new List <List <IndexedVertex> >();
float lengthStep = 1f / (Constants.CUTS_PER_CYLINDER - 1);
float radiusLoss = 0;
int numCircles = Constants.CUTS_PER_CYLINDER + (overhang ? Constants.OVERHANG_CUTS : 0) + extraRings;
// Generate vertices
for (int i = 0; i < numCircles; i++)
{
radiusLoss = i * lengthStep * slope * tParams.length;
Vector3 centerPoint = getLocalLocationAlongPath(i * lengthStep, tParams.curvature, tParams.torsion);
Vector3 facingDirection = getDirectionAlongPath(i * lengthStep, tParams.curvature, tParams.torsion);
Vector3 normalDirection = getNormalAlongPath(i * lengthStep, tParams.curvature, tParams.torsion);
bool doInner = (innerGroove && i < Constants.CUTS_PER_CYLINDER + Constants.FIN_CUTS);
bool doOuter = (outerGroove && i <= Constants.FIN_CUTS);
List <IndexedVertex> circle = GenerateCircle(i, centerPoint, facingDirection, normalDirection,
tParams.radius - radiusLoss, addInnerGrooves: doInner, addOuterGroove: doOuter);
circles.Add(circle);
}
// Now generate faces
List <IndexTriangle> allIndices = new List <IndexTriangle>();
for (int i = 0; i < numCircles - 1; i++)
{
List <IndexTriangle> tris = StitchCircles(circles[i], circles[i + 1]);
allIndices.AddRange(tris);
}
CylinderMesh cm = new CylinderMesh(circles, allIndices);
return(cm);
}
public void SelectShell(TelescopeShell selection)
{
if (!selection)
{
return;
}
if (selected)
{
selected.setMaterial(defaultTelescopeMaterial);
}
selected = selection;
selected.setMaterial(selectedTelescopeMaterial);
TelescopeParameters tp = selected.getParameters();
lengthField.text = tp.length.ToString();
radiusField.text = tp.radius.ToString();
curvatureField.text = tp.curvature.ToString();
twistField.text = tp.twistFromParent.ToString();
}
public Mesh GenerateInnerVolume(TelescopeParameters nextParams, float arcOffset, int extraRings = 0)
{
currentIndex = 0;
Mesh mesh = new Mesh();
// Get the inner cylinder of the shell
CylinderMesh inner = GenerateInnerCylinder(nextParams, HasOverhang, arcOffset, extraRings: extraRings);
// Get the vertices
List <IndexedVertex> verticesList = flattenList(inner.circleCuts);
// Create the triangles for the two ends of the cylinder; this also
// adds 2 vertices to the list.
List <IndexTriangle> capTris = CloseCylinderCaps(inner, verticesList);
// Get the positions out of the list
List <Vector3> vertices = verticesList.ConvertAll(new
System.Converter <IndexedVertex, Vector3>(IndexedVertex.toVector3));
List <int> indicesList = new List <int>();
// Add triangles for the cylinder itself
foreach (IndexTriangle tri in inner.triangles)
{
tri.addFrontFace(indicesList);
}
// Add triangles for the two ends
foreach (IndexTriangle tri in capTris)
{
tri.addFrontFace(indicesList);
}
mesh.vertices = vertices.ToArray();
mesh.triangles = indicesList.ToArray();
mesh.RecalculateNormals();
mesh.RecalculateBounds();
return(mesh);
}
TelescopeSegment CreateStraightSegment(float length, float radius)
{
GameObject segObj = new GameObject();
TelescopeSegment seg = segObj.AddComponent <TelescopeSegment>();
List <TelescopeParameters> paramList = new List <TelescopeParameters>();
float thickness = Constants.WALL_THICKNESS;
float startRadius = radius + 3 * thickness + 3 * length * Constants.TAPER_SLOPE;
TelescopeParameters firstParam = new TelescopeParameters(length,
startRadius, thickness, 0, 0, 0);
paramList.Add(firstParam);
paramList.Add(new TelescopeParameters(0, 0, 0, 0, 0, 0));
paramList.Add(new TelescopeParameters(0, 0, 0, 0, 0, 0));
seg.material = segment1.material;
seg.MakeShellsFromDiffs(paramList);
seg.transform.parent = transform;
return(seg);
}
public TelescopeParameters getParameters()
{
TelescopeParameters tp = new TelescopeParameters(length, radius, thickness, curvature, torsion, twistAngle);
return(tp);
}
public void GenerateGeometry(TelescopeParameters theParams, TelescopeParameters nextParams,
bool doOverhang = true, bool outerGroove = true)
{
HasOverhang = doOverhang;
this.thickness = theParams.thickness;
this.length = theParams.length;
this.radius = theParams.radius;
this.curvature = theParams.curvature;
this.torsion = theParams.torsion;
this.twistAngle = theParams.twistFromParent;
this.nextTwistAngle = (nextParams != null) ? nextParams.twistFromParent : 0;
// Reset the mesh.
currentIndex = 0;
mFilter.mesh.Clear();
float slopeCosmetic = thickness * Constants.COSMETIC_TAPER_RATIO;
TelescopeParameters outerParams = new TelescopeParameters(length, radius - Constants.SHELL_GAP,
thickness, curvature, torsion, 0);
CylinderMesh outerCyl = GenerateCylinder(outerParams,
slopeCosmetic + Constants.TAPER_SLOPE,
outerGroove: outerGroove, overhang: doOverhang);
CylinderMesh innerCyl = GenerateInnerCylinder(nextParams, doOverhang, 0);
// Flatten vertex list
List <IndexedVertex> outerVerts = flattenList(outerCyl.circleCuts);
List <IndexedVertex> innerVerts = flattenList(innerCyl.circleCuts);
outerVerts.AddRange(innerVerts);
// Get the triangles that join the inner and outer surfaces.
List <IndexTriangle> edgeTriangles = stitchCylinderEnds(outerCyl, innerCyl);
// Sort the vertices just to be safe
outerVerts.Sort();
// Make vertex buffer
List <Vector3> vecs = outerVerts.ConvertAll(new System.Converter <IndexedVertex, Vector3>(IndexedVertex.toVector3));
Vector3[] vertices = vecs.ToArray();
// Make index buffer
List <int> indicesList = new List <int>();
foreach (IndexTriangle tri in outerCyl.triangles)
{
tri.addFrontFace(indicesList);
}
foreach (IndexTriangle tri in innerCyl.triangles)
{
tri.addBackFace(indicesList);
}
foreach (IndexTriangle tri in edgeTriangles)
{
tri.addFrontFace(indicesList);
}
mFilter.mesh.vertices = vertices;
mFilter.mesh.triangles = indicesList.ToArray();
mFilter.mesh.RecalculateBounds();
mFilter.mesh.RecalculateNormals();
}
public static TelescopeParameters operator +(TelescopeParameters t1, TelescopeParameters t2)
{
TelescopeParameters sum = new TelescopeParameters(t1, t2);
return(sum);
}
public static TelescopeSegment telescopeOfCone(Vector3 startPos, float startRadius,
Vector3 endPos, float endRadius, Vector3 curvatureCenter,
float wallThickness = Constants.WALL_THICKNESS,
bool useCurvature = false)
{
float curvature;
Vector3 segmentDirection;
if (useCurvature)
{
float radius = Vector3.Distance(curvatureCenter, startPos);
curvature = 1f / radius;
if (curvature < 1e-6)
{
curvature = 0;
segmentDirection = endPos - startPos;
segmentDirection.Normalize();
}
else
{
segmentDirection = CurveDirectionFromParent(startPos, endPos, curvatureCenter);
}
}
else
{
curvature = 0;
segmentDirection = endPos - startPos;
segmentDirection.Normalize();
}
float distance = ArcLengthFromChord(startPos, endPos, curvature);
int numShells = Mathf.CeilToInt((Mathf.Max(startRadius, endRadius) -
Mathf.Min(startRadius, endRadius)) / wallThickness);
if (numShells < 2)
{
numShells = 2;
}
// int numShells = Mathf.CeilToInt(distance / Mathf.Min(startRadius, endRadius));
// Length is just the distance we need to cover divided by the number of shells.
float lengthPerShell = distance / numShells;
// We attempt to choose the radii such that the telescope tapers from the start
// radius to the end radius over the given number of shells.
float radiusStep = (startRadius - endRadius) / numShells;
float twist = 0;
if (curvature >= 1e-6)
{
// Compute twist angles
Quaternion rotationToOrigin = Quaternion.FromToRotation(Vector3.forward, segmentDirection);
// The "up" direction we would like to have -- orthogonal direction from circle center.
Vector3 startEnd = endPos - startPos;
Vector3 desiredUp = startEnd - Vector3.Dot(segmentDirection, startEnd) * segmentDirection;
desiredUp.Normalize();
Vector3 inverseDesired = Quaternion.Inverse(rotationToOrigin) * desiredUp;
// The angle computation doesn't work right in 3rd and 4th quadrants,
// so work around it by doing everything in 1st and 2nd.
if (inverseDesired.x < 0)
{
inverseDesired *= -1;
twist = 180;
}
float angleBetween = Mathf.Atan2(Vector3.Cross(Vector3.up, inverseDesired).magnitude,
Vector3.Dot(Vector3.up, inverseDesired));
twist += -angleBetween * Mathf.Rad2Deg;
}
List <TelescopeParameters> diffList = new List <TelescopeParameters>();
// Create the initial shell parameters.
TelescopeParameters initialParams = new TelescopeParameters(lengthPerShell, startRadius, wallThickness, curvature, 0, twist);
diffList.Add(initialParams);
// Create all the diffs.
for (int i = 1; i < numShells; i++)
{
TelescopeParameters tp = new TelescopeParameters(0, -radiusStep, wallThickness, 0, 0, 0);
diffList.Add(tp);
}
// Create a game object that will be the new segment.
GameObject obj = new GameObject();
obj.name = "segment" + segmentCount;
segmentCount++;
obj.transform.position = startPos;
TelescopeSegment seg = obj.AddComponent <TelescopeSegment>();
seg.material = DesignerController.instance.defaultTelescopeMaterial;
seg.initialDirection = segmentDirection;
seg.MakeShellsFromDiffs(diffList);
seg.transform.position = startPos;
return(seg);
}
public static TelescopeParameters shrinkChildToParent(TelescopeParameters parent, TelescopeParameters child)
{
Debug.Log("Unimplemented");
return(child);
}
public TelescopeSegment MakeTelescope(float startRadius, bool reverse = false)
{
List <TelescopeParameters> tParams = new List <TelescopeParameters>();
CurveSegment initialSeg = (reverse) ? segments[segments.Count - 1] : segments[0];
float wallThickness = Constants.WALL_THICKNESS;
float currRadius = startRadius * BulbShrinkRatio;
TelescopeParameters initial = new TelescopeParameters(initialSeg.arcLength, currRadius,
Constants.WALL_THICKNESS, initialSeg.curvature, initialSeg.torsion, 0);
tParams.Add(initial);
for (int i = 1; i < segments.Count; i++)
{
int index = (reverse) ? segments.Count - 1 - i : i;
/*
* if (i == 2 && StartJuncture && StartJuncture.childCurves.Count == 5)
* {
* Debug.Log("Hack to create lizard toenails, please delete once done");
* currRadius -= 1.5f * wallThickness;
* }*/
// Subtract the wall thickness of the previous piece
currRadius -= wallThickness;
float curvature = (reverse) ? segments[index].curvature : segments[index].curvature;
float torsion = (reverse) ? segments[index].torsion : segments[index].torsion;
float impulse = (reverse) ? -segments[index + 1].impulse : -segments[index].impulse;
impulse *= Mathf.Rad2Deg;
TelescopeParameters p = new TelescopeParameters(segments[index].arcLength, currRadius,
wallThickness, curvature, torsion, impulse);
tParams.Add(p);
}
GameObject obj = new GameObject();
obj.name = "telescope" + (numScopes++);
TelescopeSegment segment = obj.AddComponent <TelescopeSegment>();
segment.paramMode = SegmentParametersMode.Concrete;
segment.material = DesignerController.instance.defaultTelescopeMaterial;
if (reverse)
{
CurveSegment lastSeg = segments[segments.Count - 1];
obj.transform.position = TransformedHelixPoint(lastSeg, lastSeg.arcLength);
OrthonormalFrame initFrame = TransformedHelixFrame(lastSeg, lastSeg.arcLength);
segment.initialDirection = -initFrame.T;
segment.initialUp = initFrame.N;
}
else
{
obj.transform.position = segments[0].startPosition;
segment.initialDirection = segments[0].frame.T;
segment.initialUp = segments[0].frame.N;
}
segment.MakeShellsFromConcrete(tParams);
if (reverse)
{
segment.ReverseTelescope();
}
return(segment);
}
public void MakeAllShells(List <TelescopeParameters> paramList, bool reversed = false)
{
DeleteTelescope();
// Create an object for the first shell
GameObject rootShellObj = new GameObject();
rootShellObj.name = name + "-shell0";
rootShellObj.transform.parent = this.transform;
rootShellObj.transform.localPosition = Vector3.zero;
telescopeRootShell = rootShellObj;
// Make the shell geometry
TelescopeShell shell = rootShellObj.AddComponent <TelescopeShell>();
// Get the twist impulse of the shell after, since we need to cut the
// grooves in this shell to enable it
TelescopeParameters params1 = (paramList.Count > 1) ? paramList[1] : null;
shell.GenerateGeometry(paramList[0], params1, outerGroove: false);
shell.setMaterial(material);
// Shells don't know anything about their position/rotation,
// so we set that here.
Quaternion initialFacing = Quaternion.LookRotation(initialDirection, initialUp);
rootShellObj.transform.rotation = initialFacing;
rootShellObj.layer = 8;
shell.containingSegment = this;
// shell.baseRadians = 0;
shell.baseTranslation = Vector3.zero;
shell.baseRotation = Quaternion.identity;
shells.Add(shell);
shell.isRoot = true;
// Make all of the child shells here.
TelescopeShell prevShell = shell;
TelescopeParameters previousParams = paramList[0];
TelescopeParameters currentParams = paramList[0];
float accumulatedTaper = shell.getTaperLoss();
for (int i = 1; i < paramList.Count; i++)
{
// Get the computed parameters for this and the previous shell.
currentParams = paramList[i];
previousParams = paramList[i - 1];
// Shrink the radius by the accumulated taper so far.
currentParams.radius -= accumulatedTaper;
// Get the twist impulse for the next shell, so that we can cut the grooves.
TelescopeParameters nextParams = (i < paramList.Count - 1) ? paramList[i + 1] : null;
TelescopeParameters taperedParams = (nextParams != null) ? new TelescopeParameters(nextParams) : null;
if (taperedParams != null)
{
taperedParams.radius -= accumulatedTaper;
}
// Add it.
bool isNotLast = (i < paramList.Count - 1);
prevShell = addChildShell(prevShell, previousParams, currentParams, taperedParams, isNotLast);
accumulatedTaper += prevShell.getTaperLoss();
}
if (fountainPrefab)
{
GameObject fountain = Instantiate <GameObject>(fountainPrefab);
fountain.transform.parent = prevShell.transform;
}
}