protected virtual ToolpathPreviewJoint GenerateMiterJoint(Segment3d segmentBefore, Segment3d segmentAfter, TPrintVertex printVertex, ToolpathPreviewMesh mesh)
{
var averageDirection = (segmentBefore.Direction + segmentAfter.Direction).Normalized;
var scaleFactor = 1 / segmentBefore.Direction.Dot(averageDirection);
var frame = new Frame3f(printVertex.Position);
frame.AlignAxis(1, ToVector3f(averageDirection));
var joint = new ToolpathPreviewJoint();
joint.InTop = joint.OutTop = mesh.AddVertex(vertexFactory(printVertex,
frame.FromFrameP(DiamondCrossSection.Top(printVertex.Dimensions)), brightnessMax));
joint.InRight = joint.OutRight = mesh.AddVertex(vertexFactory(printVertex,
frame.FromFrameP(DiamondCrossSection.Right(printVertex.Dimensions)), brightnessMin));
joint.InBottom = joint.OutBottom = mesh.AddVertex(vertexFactory(printVertex,
frame.FromFrameP(DiamondCrossSection.Bottom(printVertex.Dimensions)), brightnessMax));
joint.InLeft = joint.OutLeft = mesh.AddVertex(vertexFactory(printVertex,
frame.FromFrameP(DiamondCrossSection.Left(printVertex.Dimensions)), brightnessMin));
return(joint);
}
void update_measurement()
{
Frame3f localFrame = meshTarget.GetLocalFrame(CoordSpace.ObjectCoords);
Vector3f localP = localFrame.ToFrameP(scene.ToSceneP(measureHitPos));
AxisAlignedBox3f bounds = meshTarget.GetLocalBoundingBox();
Vector3f dv = localP - bounds.Center;
dv.y = 0;
Line3f line = new Line3f(Vector3f.Zero, Vector3f.AxisY);
Vector3f linePos = line.ClosestPoint(localP);
Frame3f mFrame = new Frame3f(linePos, Vector3f.AxisY);
MeshSO.SectionInfo info = meshTarget.MeasureSection(mFrame);
curDimension = info.maxDiameter;
Vector3f center = 0.5f * (info.maxDiamPos1 + info.maxDiamPos2);
//measureAxisPos = scene.ToWorldP(localFrame.FromFrameP(linePos));
displayPosS = localFrame.FromFrameP(linePos);
circleCenterS = localFrame.FromFrameP(center);
maxStart = localFrame.FromFrameP(info.maxDiamPos1);
maxEnd = localFrame.FromFrameP(info.maxDiamPos2);
}
public void UpdateDraw_Spatial(Ray3f ray, Frame3f handFrame)
{
float fScale = scene.GetSceneScale();
Vector3f newHitPos = handFrame.FromFrameP(handHitVec);
smooth_append(preview, scene.SceneFrame.ToFrameP(newHitPos) / fScale, dist_thresh(Width, fScale));
}
// figuring out a decent line width is tricky. Want to be responsive to camera
// pos, so line doesn't get super-thick when zoomed in. So we want to measure
// screen-space radius. But off-screen vertices are a problem. So, only consider
// vertices within a level, pointing-forward view cone (can't be actual view cone
// because then line thickness changes as you turn head!).
//
// Also sub-sample verts for efficiency. Probably we don't need to do this
// every frame...but how to distribute?
//
// ***returns 0*** if we couldn't find any points in view cone
public static float EstimateStableCurveWidth(FScene scene,
Frame3f curveFrameS, DCurve3 curve, float fVisualAngleDeg)
{
// do computations in Scene coords..."safest"?
Vector3f camPos = scene.ActiveCamera.GetPosition();
Vector3f camForward = scene.ActiveCamera.Forward();
// use level-forward
camForward[1] = 0; camForward.Normalize();
camPos = scene.ToSceneP(camPos);
camForward = scene.ToSceneN(camForward);
const float ViewConeDotThresh = 0.707106f; // 45 degrees
int nSubSampleInc = Math.Max(2, curve.VertexCount / 10);
float rSum = 0; int iSum = 0;
for (int k = 0; k < curve.VertexCount; k += nSubSampleInc)
{
Vector3f vS = (Vector3f)curve.GetVertex(k);
vS = curveFrameS.FromFrameP(vS);
Vector3f dv = (vS - camPos).Normalized;
if (dv.Dot(camForward) < ViewConeDotThresh)
{
continue;
}
float r = VRUtil.GetVRRadiusForVisualAngle(vS, camPos, fVisualAngleDeg);
rSum += r; iSum++;
}
return((rSum == 0) ? 0 : scene.ToWorldDimension(rSum / (float)iSum));
}
/// <summary>
/// input ray is in Object (local) coords of so, apply all intermediate
/// transforms to get it to Scene coords
/// </summary>
public static Ray3f ObjectToScene(SceneObject so, Ray3f objectRay)
{
Ray3f sceneRay = objectRay;
SceneObject curSO = so;
while (curSO != null)
{
Frame3f curF = curSO.GetLocalFrame(CoordSpace.ObjectCoords);
Vector3f scale = curSO.GetLocalScale();
Vector3f new_o = curF.FromFrameP(sceneRay.Origin * scale);
Vector3f new_d = curF.FromFrameV(sceneRay.Direction * scale);
sceneRay = new Ray3f(new_o, new_d.Normalized);
SOParent parent = curSO.Parent;
if (parent is FScene)
{
return(sceneRay);
}
curSO = (parent as SceneObject);
}
if (curSO == null)
{
DebugUtil.Error("SceneTransforms.ObjectToScene: found null parent SO!");
}
return(sceneRay);
}
protected override void update_vertices(FScene s)
{
if (Target.Timestamp == target_timestamp)
{
return;
}
target_timestamp = Target.Timestamp;
DMesh3 Mesh = Target.Mesh;
for (int i = 0; i < VertexCount; ++i)
{
SurfaceVertexRef r = SurfacePoints[i];
Vector3d vSum = Vector3d.Zero;
Frame3f f = Mesh.GetTriFrame(r.tid);
Index3i tv = Mesh.GetTriangle(r.tid);
for (int j = 0; j < 3; ++j)
{
f.Origin = (Vector3f)Mesh.GetVertex(tv[j]);
Vector3d v = f.FromFrameP(r.offsets[j]);
vSum += v;
}
vSum /= 3;
this[i] = SceneTransforms.ObjectToSceneP(Target, vSum);
}
}
public void UpdateDraw_Ray(Ray3f ray, int nStep)
{
// scene xform may have changed during steps (eg view rotation), so we
// need to reconstruct our local frame
Frame3f primCurW = scene.ToWorldFrame(primStartS);
// step 1: find radius in plane
// step 2: find height from plane
float fY = MinDimension;
if (nStep == 0)
{
Vector3f forwardDir = ray.Direction;
Vector3f plane_hit = VRUtil.SafeRayPlaneIntersection(ray, forwardDir, primCurW.Origin, primCurW.Y);
plane_hit_local = primCurW.ToFrameP(plane_hit);
}
else if (nStep == 1)
{
Vector3f plane_hit = primCurW.FromFrameP(plane_hit_local);
Line3d l = new Line3d(plane_hit, primCurW.Y);
fY = (float)DistLine3Ray3.MinDistanceLineParam(ray, l);
}
// figure out possible dimensions, clamp to ranges
float planeX = MathUtil.SignedClamp(plane_hit_local[0], MinDimension, MaxDimension);
float planeZ = MathUtil.SignedClamp(plane_hit_local[2], MinDimension, MaxDimension);
float fR_plane = MathUtil.Clamp(plane_hit_local.Length, MinDimension / 2, MaxDimension / 2);
fY = MathUtil.SignedClamp(fY, MinDimension, MaxDimension);
// update frame
primitive.Frame = primCurW;
// update dimensions
bool bIsCorner = (primitive.Center == CenterModes.Corner);
float fScale = 1.0f; // object is not in scene coordinates!
if (primitive.Type == MeshPrimitivePreview.PrimType.Cylinder)
{
primitive.Width = (bIsCorner) ? fR_plane * fScale : 2 * fR_plane * fScale;
primitive.Depth = primitive.Width;
primitive.Height = fY * fScale;
}
else if (primitive.Type == MeshPrimitivePreview.PrimType.Box)
{
primitive.Width = (bIsCorner) ? planeX * fScale : 2 * planeX * fScale;
primitive.Depth = (bIsCorner) ? planeZ * fScale : 2 * planeZ * fScale;
primitive.Height = fY * fScale;
}
else if (primitive.Type == MeshPrimitivePreview.PrimType.Sphere)
{
primitive.Width = (bIsCorner) ? fR_plane * fScale : 2 * fR_plane * fScale;
primitive.Depth = primitive.Width;
primitive.Height = Mathf.Sign(fY) * primitive.Width;
}
else
{
throw new NotImplementedException("DrawPrimitivesTool.UpdateDraw_Ray - type not supported");
}
}
override public bool FindRayIntersection(Ray3f ray, out SORayHit hit)
{
hit = null;
Ray sceneRay = GetScene().ToSceneRay(ray);
Frame3f frameL = GetLocalFrame(CoordSpace.ObjectCoords);
Ray localRay = frameL.ToFrame(sceneRay);
float sceneWidth = GetScene().ToSceneDimension(visibleWidth);
AxisAlignedBox3d hitBox = localBounds;
hitBox.Expand(sceneWidth * 0.5f);
Bounds hitBounds = new Bounds((Vector3)hitBox.Center, (Vector3)hitBox.Diagonal);
if (hitBounds.IntersectRay(localRay) == false)
{
return(false);
}
double rayHitT;
if (CurveUtils.FindClosestRayIntersection(curve, sceneWidth * 0.5f, localRay, out rayHitT))
{
hit = new SORayHit();
hit.fHitDist = (float)rayHitT;
hit.hitPos = localRay.GetPoint(hit.fHitDist);
hit.hitPos = GetScene().ToWorldP(frameL.FromFrameP(hit.hitPos));
hit.hitNormal = Vector3.zero;
hit.hitGO = root;
hit.hitSO = this;
return(true);
}
return(false);
}
private void AddRightMiter(TPrintVertex printVertex, ToolpathPreviewMesh mesh, ref Frame3f frameMiter, ref Frame3f frameSegBefore, ToolpathPreviewJoint joint)
{
double miterScaleFactor = GetMiterScaleFactor(ref frameMiter, ref frameSegBefore);
joint.InRight = joint.OutRight = mesh.AddVertex(vertexFactory(printVertex,
frameMiter.FromFrameP(DiamondCrossSection.Right(printVertex.Dimensions, miterScaleFactor)), brightnessMin));
}
/// <summary>
/// Set the position of the object frame for this SO without moving the mesh in the scene.
/// The input frame is the new object frame. So, this is a frame "in scene coordinates" unless
/// this object has a parent SceneObject (ie is not a child of Scene directly). In that case
/// the frame needs to be specified relative to that SO. An easy way to do this is to via
/// obj_pivot = GetLocalFrame(Object).FromFrame( SceneTransforms.SceneToObject(pivot_in_scene) )
/// TODO: specify frame coordpace as input argument?
/// </summary>
public void RepositionPivot(Frame3f objFrame)
{
//if (Parent is FScene == false)
// throw new NotSupportedException("DMeshSO.RepositionMeshFrame: have not tested this!");
Frame3f curFrame = this.GetLocalFrame(CoordSpace.ObjectCoords);
bool bNormals = mesh.HasVertexNormals;
// map vertices to new frame
foreach (int vid in mesh.VertexIndices())
{
Vector3f v = (Vector3f)mesh.GetVertex(vid);
v = curFrame.FromFrameP(ref v);
v = objFrame.ToFrameP(ref v);
mesh.SetVertex(vid, v);
if (bNormals)
{
Vector3f n = mesh.GetVertexNormal(vid);
n = curFrame.FromFrameV(ref n);
n = objFrame.ToFrameV(ref n);
mesh.SetVertexNormal(vid, n);
}
}
// set new object frame
SetLocalFrame(objFrame, CoordSpace.ObjectCoords);
fast_mesh_update(bNormals, false);
post_mesh_modified();
}
private void AddRightSquare(TPrintVertex printVertex, ToolpathPreviewMesh mesh, ref Frame3f frameSegBefore, ref Frame3f frameSegAfter, ToolpathPreviewJoint joint)
{
joint.InRight = mesh.AddVertex(vertexFactory(printVertex,
frameSegBefore.FromFrameP(DiamondCrossSection.Left(printVertex.Dimensions)), brightnessMin));
joint.OutRight = mesh.AddVertex(vertexFactory(printVertex,
frameSegAfter.FromFrameP(DiamondCrossSection.Right(printVertex.Dimensions)), brightnessMin));
}
protected override void OnPointUpdated(ControlPoint pt, Frame3f prevFrameS, bool isFirst)
{
Vector3f basePt = GetPointPosition(BasePointID, CoordSpace.SceneCoords).Origin;
Vector3f frontPt = GetPointPosition(FrontPointID, CoordSpace.SceneCoords).Origin;
Vector3f topPt = GetPointPosition(TopPointID, CoordSpace.SceneCoords).Origin;
lastTargetFrameS = TargetSO.GetLocalFrame(CoordSpace.SceneCoords);
Frame3f previewFrameS = lastTargetFrameS;
// position next to original object
previewFrameS = previewFrameS.Translated(1.1f * (float)meshBounds.Width * Vector3f.AxisX);
Vector3f upAxis = (topPt - basePt).Normalized;
// construct a frame perp to upAxis at midpoint, and project original and current fw points
Frame3f upFrame = new Frame3f((topPt + basePt) * 0.5f, upAxis);
Vector3f origFW = upFrame.ProjectToPlane(initialFrontPt, 2);
origFW = (origFW - upFrame.Origin).Normalized;
Vector3f curFW = upFrame.ProjectToPlane(frontPt, 2);
curFW = (curFW - upFrame.Origin).Normalized;
//float angle = MathUtil.PlaneAngleSignedD(origFW, curFW, upAxis);
start_forward_pt_S = upFrame.FromFrameP(origFW);
current_forward_pt_S = upFrame.FromFrameP(curFW);
// construct rotation that aligns up axis with y-up
Quaternionf upRotate = Quaternionf.FromTo(upAxis, Vector3f.AxisY);
previewFrameS.Rotate(upRotate);
// now rotate so that forward dir points along -Z
//Quaternionf fwRotate = Quaternionf.AxisAngleD(Vector3f.AxisY, angle);
//curFW = upRotate * curFW;
Quaternionf fwRotate = Quaternionf.FromToConstrained(curFW, -Vector3f.AxisZ, Vector3f.AxisY);
previewFrameS.Rotate(fwRotate);
previewSO.SetLocalFrame(previewFrameS, CoordSpace.SceneCoords);
lastPreviewFrameS = previewFrameS;
}
private void update_axis_vertices(PolyCurveSO curveSO)
{
Vector3d[] verticesS = axisCurveSO.Curve.Vertices.ToArray();
Frame3f curveFrameS = axisCurveSO.GetLocalFrame(CoordSpace.SceneCoords);
for (int k = 0; k < verticesS.Length; ++k)
{
verticesS[k] = curveFrameS.FromFrameP((Vector3f)verticesS[k]);
}
axisCurve.SetVertices(verticesS);
}
private void AddCapBeforeJoint(Vector3d segmentDirection, TPrintVertex printVertex, ToolpathPreviewJoint joint, ToolpathPreviewMesh mesh)
{
var frame = new Frame3f(printVertex.Position);
frame.AlignAxis(1, ToVector3f(segmentDirection));
joint.InTop = mesh.AddVertex(vertexFactory(printVertex,
frame.FromFrameP(DiamondCrossSection.Top(printVertex.Dimensions)), brightnessMax));
joint.InRight = mesh.AddVertex(vertexFactory(printVertex,
frame.FromFrameP(DiamondCrossSection.Right(printVertex.Dimensions)), brightnessMin));
joint.InBottom = mesh.AddVertex(vertexFactory(printVertex,
frame.FromFrameP(DiamondCrossSection.Bottom(printVertex.Dimensions)), brightnessMax));
joint.InLeft = mesh.AddVertex(vertexFactory(printVertex,
frame.FromFrameP(DiamondCrossSection.Left(printVertex.Dimensions)), brightnessMin));
mesh.AddTriangle(joint.InBottom, joint.InLeft, joint.InTop);
mesh.AddTriangle(joint.InBottom, joint.InTop, joint.InRight);
}
public static void ScaleMesh(NGonsCore.geometry3Sharp.mesh.DMesh3 mesh, Frame3f f, Vector3F vScale)
{
foreach (int vid in mesh.VertexIndices())
{
Vector3D v = mesh.GetVertex(vid);
Vector3F vScaledInF = f.ToFrameP((Vector3F)v) * vScale;
Vector3D vNew = f.FromFrameP(vScaledInF);
mesh.SetVertex(vid, vNew);
// TODO: normals
}
}
public static void AppendMeshSO(DMeshSO appendTo, DMeshSO append)
{
FScene scene = appendTo.GetScene();
if (scene.IsSelected(appendTo))
{
scene.Deselect(appendTo);
}
if (scene.IsSelected(append))
{
scene.Deselect(append);
}
Frame3f f1 = appendTo.GetLocalFrame(CoordSpace.ObjectCoords);
Vector3f scale1 = appendTo.GetLocalScale();
Frame3f f2 = append.GetLocalFrame(CoordSpace.ObjectCoords);
Vector3f scale2 = append.GetLocalScale();
DMesh3 mesh1 = appendTo.Mesh;
DMesh3 mesh2 = append.Mesh;
foreach (int vid in mesh2.VertexIndices())
{
// convert point in mesh2 to scene coords
Vector3f v2 = (Vector3f)mesh2.GetVertex(vid);
v2 *= scale2;
Vector3f v2s = f2.FromFrameP(v2);
// transfer that scene coord into local coords of mesh1
Vector3f v2in1 = f1.ToFrameP(v2s);
v2in1 /= scale1;
mesh2.SetVertex(vid, v2in1);
if (mesh1.HasVertexNormals && mesh2.HasVertexNormals)
{
Vector3f n = mesh2.GetVertexNormal(vid);
Vector3f ns = f2.FromFrameV(n);
Vector3f ns2 = f1.ToFrameV(ns);
mesh2.SetVertexNormal(vid, ns2);
}
}
MeshEditor editor = new MeshEditor(mesh1);
editor.AppendMesh(mesh2);
appendTo.NotifyMeshEdited();
// [TODO] change record!
scene.RemoveSceneObject(append, false);
}
public static void FromFrame(IDeformableMesh mesh, Frame3f f)
{
int NV = mesh.MaxVertexID;
bool bHasNormals = mesh.HasVertexNormals;
for (int vid = 0; vid < NV; ++vid)
{
if (mesh.IsVertex(vid))
{
Vector3D vf = mesh.GetVertex(vid);
Vector3D v = f.FromFrameP((Vector3F)vf);
mesh.SetVertex(vid, v);
if (bHasNormals)
{
Vector3F n = mesh.GetVertexNormal(vid);
Vector3F nf = f.FromFrameV(n);
mesh.SetVertexNormal(vid, nf);
}
}
}
}
public DMeshSO BuildSO(FScene scene, SOMaterial material)
{
DMesh3 revolveMesh = UnityUtil.UnityMeshToDMesh(meshObject.GetSharedMesh(), false);
// move axis frame to center of bbox of mesh, measured in axis frame
Frame3f useF = OutputFrame;
AxisAlignedBox3f boundsInFrame = (AxisAlignedBox3f)BoundsUtil.BoundsInFrame(revolveMesh.Vertices(), useF);
useF.Origin = useF.FromFrameP(boundsInFrame.Center);
// transform mesh into this frame
MeshTransforms.ToFrame(revolveMesh, useF);
// create new so
DMeshSO meshSO = new DMeshSO();
meshSO.Create(revolveMesh, material);
meshSO.SetLocalFrame(useF, CoordSpace.ObjectCoords);
return(meshSO);
}
/// <summary>
/// input objectF is in Object (local) coords of so, apply all intermediate
/// transforms to get it to Scene coords
/// </summary>
public static Vector3f ObjectToSceneP(SceneObject so, Vector3f objectPt)
{
SceneObject curSO = so;
while (curSO != null)
{
Frame3f curF = curSO.GetLocalFrame(CoordSpace.ObjectCoords);
Vector3f scale = curSO.GetLocalScale();
objectPt = curF.FromFrameP(objectPt * scale);
SOParent parent = curSO.Parent;
if (parent is FScene)
{
return(objectPt);
}
curSO = (parent as SceneObject);
}
if (curSO == null)
{
DebugUtil.Error("SceneTransforms.ObjectToSceneP: found null parent SO!");
}
return(objectPt);
}
// returns max edge length of moved vertices, after deformation
public override DeformInfo Apply(Frame3f vNextPos)
{
// if we did not move brush far enough, don't do anything
Vector3D vDelta = (vNextPos.Origin - vPreviousPos.Origin);
if (vDelta.Length < 0.0001f)
{
return new DeformInfo()
{
maxEdgeLenSqr = 0, minEdgeLenSqr = double.MaxValue
}
}
;
// otherwise apply base deformation
DeformF = (idx, t) => {
Vector3D v = vPreviousPos.ToFrameP(Curve[idx]);
Vector3D vNew = vNextPos.FromFrameP(v);
return(Vector3D.Lerp(Curve[idx], vNew, t));
};
return(base.Apply(vNextPos));
}
}
/// <summary>
/// This is the action we give to the trim-scan tool, to run on accept
/// </summary>
public static void CropScanFromSelection(DMeshSO so, MeshFaceSelection selection, object tool)
{
DMesh3 beforeMesh = new DMesh3(so.Mesh);
DMesh3 mesh = so.Mesh;
// [RMS] if we are using the two-point tool, then we can use the user input points to
// try to figure out an up axis, by assuming the first point is on the base of the scan. Steps are:
// 1) guess a midpoint. Currently centroid of upper-half of geodesic selection.
// 2) construct up axis as (midpoint-basepoint). this axis to Y-up.
Vector3f upAxisS = Vector3f.AxisY;
TwoPointFaceSelectionTool ptool = tool as TwoPointFaceSelectionTool;
if (ptool != null)
{
var cache = ptool.SelectionCache;
Interval1d range = new Interval1d(cache.CurrentScalarThreshold / 2, cache.CurrentScalarThreshold);
List <int> triangles = new List <int>(selection.Count);
cache.FindTrianglesInScalarInterval(range, triangles);
Vector3d c = MeshMeasurements.Centroid(triangles, mesh.GetTriCentroid);
Vector3d cS = SceneTransforms.ObjectToSceneP(so, c);
Vector3d basePosS = ptool.SourcePositionS.Origin;
upAxisS = (Vector3f)(cS - basePosS).Normalized;
}
// crop scan and fill top hole
List <int> borderTris = selection.FindBorderTris();
MeshEditor editor = new MeshEditor(mesh);
editor.RemoveTriangles((tid) => { return(selection.IsSelected(tid) == false); }, true);
if (OGActions.FillHoleInScan)
{
SmoothedHoleFill fill = new SmoothedHoleFill(mesh)
{
TargetEdgeLength = 2.5f,
SmoothAlpha = 0.5f,
BorderHintTris = borderTris,
OffsetDirection = SceneTransforms.SceneToObjectN(so, upAxisS),
OffsetDistance = (ptool != null) ? 25.0 : 0.0
};
fill.Apply();
}
so.NotifyMeshEdited();
DMesh3 afterMesh = new DMesh3(so.Mesh);
so.GetScene().History.PushChange(new ReplaceEntireMeshChange(so, beforeMesh, afterMesh), true);
mesh = so.Mesh;
// Now we auto-align the scan so it points upwards, and then
// recenter pivot and shift to above ground plane
if (ptool != null)
{
Vector3d basePosS = ptool.SourcePositionS.Origin;
Quaternionf alignUp = Quaternionf.FromTo(upAxisS, Vector3f.AxisY);
// rotate part so that axis points up
Frame3f curF = so.GetLocalFrame(CoordSpace.SceneCoords);
Frame3f newF = curF.Rotated(alignUp);
TransformSOChange alignUpChange = new TransformSOChange(so, curF, newF, CoordSpace.SceneCoords);
basePosS = newF.FromFrameP(curF.ToFrameP(basePosS)); // map to new frame
so.GetScene().History.PushChange(alignUpChange, false);
// recenter pivot at bbox center
// [RMS] previously was using vertex centroid, but this is then affected by mesh density
// (maybe tri centroid? but bbox makes more sense...and below we assume box center)
Vector3d centerL = mesh.CachedBounds.Center;
Vector3d centerO = newF.FromFrameP(centerL);
Frame3f newPivotO = new Frame3f(centerO);
so.GetScene().History.PushChange(new RepositionPivotChangeOp(newPivotO, so), false);
// position above ground plane
AxisAlignedBox3d bounds = so.Mesh.CachedBounds;
float h = (float)bounds.Height;
Vector3f o = newPivotO.Origin;
Vector3f translateO = new Vector3f(-o.x, h * 0.5f - o.y + BaseHeightAboveGroundPlaneMM, -o.z);
//Vector3f translateO = new Vector3f(0, h * 0.5f - o.y + BaseHeightAboveGroundPlaneMM, 0);
newPivotO.Translate(translateO);
so.GetScene().History.PushChange(new TransformSOChange(so, newPivotO, CoordSpace.ObjectCoords), false);
// save base point in frame of scan
basePosS += translateO;
Vector3d basePosL = SceneTransforms.SceneToObjectP(so, basePosS);
OG.Scan.UserBasePoint = basePosL;
}
so.GetScene().History.PushInteractionCheckpoint();
}
public Vector3D FromGrid(Vector3i gridpoint)
{
Vector3F pointf = CellSize * (Vector3F)gridpoint;
return((Vector3D)GridFrame.FromFrameP(pointf));
}
public override void Generate()
{
int nRings = Curve.Length;
int nRingSize = (NoSharedVertices) ? Slices + 1 : Slices;
int nCapVertices = (NoSharedVertices) ? Slices + 1 : 1;
if (Capped == false)
{
nCapVertices = 0;
}
vertices = new VectorArray3d(nRingSize * nRings + 2 * nCapVertices);
uv = new VectorArray2f(vertices.Count);
normals = new VectorArray3f(vertices.Count);
int nSpanTris = (nRings - 1) * (2 * Slices);
int nCapTris = (Capped) ? 2 * Slices : 0;
triangles = new IndexArray3i(nSpanTris + nCapTris);
float fDelta = (float)((Math.PI * 2.0) / Slices);
Frame3f f = Axis;
// generate tube
for (int ri = 0; ri < nRings; ++ri)
{
Vector3D v_along = Curve[ri];
Vector3F v_frame = f.ToFrameP((Vector3F)v_along);
float uv_along = (float)ri / (float)(nRings - 1);
// generate vertices
int nStartR = ri * nRingSize;
for (int j = 0; j < nRingSize; ++j)
{
float angle = (float)j * fDelta;
// [TODO] this is not efficient...use Matrix3f?
Vector3F v_rot = Quaternionf.AxisAngleR(Vector3F.AxisY, angle) * v_frame;
Vector3D v_new = f.FromFrameP(v_rot);
int k = nStartR + j;
vertices[k] = v_new;
float uv_around = (float)j / (float)(nRingSize);
uv[k] = new Vector2F(uv_along, uv_around);
// [TODO] proper normal
Vector3F n = (Vector3F)(v_new - f.Origin).Normalized;
normals[k] = n;
}
}
// generate triangles
int ti = 0;
for (int ri = 0; ri < nRings - 1; ++ri)
{
int r0 = ri * nRingSize;
int r1 = r0 + nRingSize;
for (int k = 0; k < nRingSize - 1; ++k)
{
triangles.Set(ti++, r0 + k, r0 + k + 1, r1 + k + 1, Clockwise);
triangles.Set(ti++, r0 + k, r1 + k + 1, r1 + k, Clockwise);
}
if (NoSharedVertices == false) // close disc if we went all the way
{
triangles.Set(ti++, r1 - 1, r0, r1, Clockwise);
triangles.Set(ti++, r1 - 1, r1, r1 + nRingSize - 1, Clockwise);
}
}
if (Capped)
{
// find avg start loop size
Vector3D vAvgStart = Vector3D.Zero, vAvgEnd = Vector3D.Zero;
for (int k = 0; k < Slices; ++k)
{
vAvgStart += vertices[k];
vAvgEnd += vertices[(nRings - 1) * nRingSize + k];
}
vAvgStart /= (double)Slices;
vAvgEnd /= (double)Slices;
Frame3f fStart = f;
fStart.Origin = (Vector3F)vAvgStart;
Frame3f fEnd = f;
fEnd.Origin = (Vector3F)vAvgEnd;
// add endcap verts
int nBottomC = nRings * nRingSize;
vertices[nBottomC] = fStart.Origin;
uv[nBottomC] = new Vector2F(0.5f, 0.5f);
normals[nBottomC] = -fStart.Z;
startCapCenterIndex = nBottomC;
int nTopC = nBottomC + 1;
vertices[nTopC] = fEnd.Origin;
uv[nTopC] = new Vector2F(0.5f, 0.5f);
normals[nTopC] = fEnd.Z;
endCapCenterIndex = nTopC;
if (NoSharedVertices)
{
// duplicate first loop and make a fan w/ bottom-center
int nExistingB = 0;
int nStartB = nTopC + 1;
for (int k = 0; k < Slices; ++k)
{
vertices[nStartB + k] = vertices[nExistingB + k];
//uv[nStartB + k] = (Vector2f)Polygon.Vertices[k].Normalized;
float angle = (float)k * fDelta;
double cosa = Math.Cos(angle), sina = Math.Sin(angle);
uv[nStartB + k] = new Vector2F(0.5f * (1.0f + cosa), 0.5f * (1 + sina));
normals[nStartB + k] = normals[nBottomC];
}
append_disc(Slices, nBottomC, nStartB, true, Clockwise, ref ti);
// duplicate second loop and make fan
int nExistingT = nRingSize * (nRings - 1);
int nStartT = nStartB + Slices;
for (int k = 0; k < Slices; ++k)
{
vertices[nStartT + k] = vertices[nExistingT + k];
//uv[nStartT + k] = (Vector2f)Polygon.Vertices[k].Normalized;
float angle = (float)k * fDelta;
double cosa = Math.Cos(angle), sina = Math.Sin(angle);
uv[nStartT + k] = new Vector2F(0.5f * (1.0f + cosa), 0.5f * (1 + sina));
normals[nStartT + k] = normals[nTopC];
}
append_disc(Slices, nTopC, nStartT, true, !Clockwise, ref ti);
}
else
{
append_disc(Slices, nBottomC, 0, true, Clockwise, ref ti);
append_disc(Slices, nTopC, nRingSize * (nRings - 1), true, !Clockwise, ref ti);
}
}
}
// [TODO] projection pass
// - only project vertices modified by smooth pass?
// - and/or verts in set of modified edges?
protected virtual void TrackedFaceProjectionPass()
{
IOrientedProjectionTarget normalTarget = ProjectionTarget as IOrientedProjectionTarget;
if (normalTarget == null)
{
throw new Exception("RemesherPro.TrackedFaceProjectionPass: projection target does not have normals!");
}
InitializeBuffersForFacePass();
SpinLock buffer_lock = new SpinLock();
// this function computes rotated position of triangle, such that it
// aligns with face normal on target surface. We accumulate weighted-average
// of vertex positions, which we will then use further down where possible.
Action <int> process_triangle = (tid) => {
Vector3d normal; double area; Vector3d centroid;
mesh.GetTriInfo(tid, out normal, out area, out centroid);
Vector3d projNormal;
Vector3d projPos = normalTarget.Project(centroid, out projNormal);
Index3i tv = mesh.GetTriangle(tid);
Vector3d v0 = mesh.GetVertex(tv.a), v1 = mesh.GetVertex(tv.b), v2 = mesh.GetVertex(tv.c);
// ugh could probably do this more efficiently...
Frame3f triF = new Frame3f(centroid, normal);
v0 = triF.ToFrameP(ref v0); v1 = triF.ToFrameP(ref v1); v2 = triF.ToFrameP(ref v2);
triF.AlignAxis(2, (Vector3f)projNormal);
triF.Origin = (Vector3f)projPos;
v0 = triF.FromFrameP(ref v0); v1 = triF.FromFrameP(ref v1); v2 = triF.FromFrameP(ref v2);
double dot = normal.Dot(projNormal);
dot = MathUtil.Clamp(dot, 0, 1.0);
double w = area * (dot * dot * dot);
bool taken = false;
buffer_lock.Enter(ref taken);
vBufferV[tv.a] += w * v0; vBufferVWeights[tv.a] += w;
vBufferV[tv.b] += w * v1; vBufferVWeights[tv.b] += w;
vBufferV[tv.c] += w * v2; vBufferVWeights[tv.c] += w;
buffer_lock.Exit();
};
// compute face-aligned vertex positions
gParallel.ForEach(mesh.TriangleIndices(), process_triangle);
// ok now we filter out all the positions we can't change, as well as vertices that
// did not actually move. We also queue any edges that moved far enough to fall
// under min/max edge length thresholds
gParallel.ForEach(mesh.VertexIndices(), (vID) => {
vModifiedV[vID] = false;
if (vBufferVWeights[vID] < MathUtil.ZeroTolerance)
{
return;
}
if (vertex_is_constrained(vID))
{
return;
}
if (VertexControlF != null && (VertexControlF(vID) & VertexControl.NoProject) != 0)
{
return;
}
Vector3d curpos = mesh.GetVertex(vID);
Vector3d projPos = vBufferV[vID] / vBufferVWeights[vID];
if (curpos.EpsilonEqual(projPos, MathUtil.ZeroTolerancef))
{
return;
}
vModifiedV[vID] = true;
vBufferV[vID] = projPos;
foreach (int eid in mesh.VtxEdgesItr(vID))
{
Index2i ev = Mesh.GetEdgeV(eid);
int othervid = (ev.a == vID) ? ev.b : ev.a;
Vector3d otherv = mesh.GetVertex(othervid);
double old_len = curpos.Distance(otherv);
double new_len = projPos.Distance(otherv);
if (new_len < MinEdgeLength || new_len > MaxEdgeLength)
{
queue_edge_safe(eid);
}
}
});
// update vertices
ApplyVertexBuffer(true);
}
override public void Generate()
{
if (Polygon == null)
{
Polygon = Polygon2d.MakeCircle(1.0f, 8);
}
int Slices = Polygon.VertexCount;
int nRings = Vertices.Count;
int nRingSize = (NoSharedVertices) ? Slices + 1 : Slices;
int nCapVertices = (NoSharedVertices) ? Slices + 1 : 1;
if (Capped == false)
{
nCapVertices = 0;
}
vertices = new VectorArray3d(nRings * nRingSize + 2 * nCapVertices);
uv = new VectorArray2f(vertices.Count);
normals = new VectorArray3f(vertices.Count);
int nSpanTris = (Vertices.Count - 1) * (2 * Slices);
int nCapTris = (Capped) ? 2 * Slices : 0;
triangles = new IndexArray3i(nSpanTris + nCapTris);
Frame3f fCur = new Frame3f(Frame);
Vector3D dv = CurveUtils.GetTangent(Vertices, 0);;
fCur.Origin = (Vector3F)Vertices[0];
fCur.AlignAxis(2, (Vector3F)dv);
Frame3f fStart = new Frame3f(fCur);
// generate tube
for (int ri = 0; ri < nRings; ++ri)
{
// propagate frame
if (ri != 0)
{
Vector3D tan = CurveUtils.GetTangent(Vertices, ri);
fCur.Origin = (Vector3F)Vertices[ri];
if (ri == 11)
{
dv = tan;
}
fCur.AlignAxis(2, (Vector3F)tan);
}
float uv_along = (float)ri / (float)(nRings - 1);
// generate vertices
int nStartR = ri * nRingSize;
for (int j = 0; j < nRingSize; ++j)
{
float uv_around = (float)j / (float)(nRings);
int k = nStartR + j;
Vector2D pv = Polygon.Vertices[j % Slices];
Vector3D v = fCur.FromFrameP((Vector2F)pv, 2);
vertices[k] = v;
uv[k] = new Vector2F(uv_along, uv_around);
Vector3F n = (Vector3F)(v - fCur.Origin).Normalized;
normals[k] = n;
}
}
// generate triangles
int ti = 0;
for (int ri = 0; ri < nRings - 1; ++ri)
{
int r0 = ri * nRingSize;
int r1 = r0 + nRingSize;
for (int k = 0; k < nRingSize - 1; ++k)
{
triangles.Set(ti++, r0 + k, r0 + k + 1, r1 + k + 1, Clockwise);
triangles.Set(ti++, r0 + k, r1 + k + 1, r1 + k, Clockwise);
}
if (NoSharedVertices == false) // close disc if we went all the way
{
triangles.Set(ti++, r1 - 1, r0, r1, Clockwise);
triangles.Set(ti++, r1 - 1, r1, r1 + nRingSize - 1, Clockwise);
}
}
if (Capped)
{
// add endcap verts
int nBottomC = nRings * nRingSize;
vertices[nBottomC] = fStart.Origin;
uv[nBottomC] = new Vector2F(0.5f, 0.5f);
normals[nBottomC] = -fStart.Z;
startCapCenterIndex = nBottomC;
int nTopC = nBottomC + 1;
vertices[nTopC] = fCur.Origin;
uv[nTopC] = new Vector2F(0.5f, 0.5f);
normals[nTopC] = fCur.Z;
endCapCenterIndex = nTopC;
if (NoSharedVertices)
{
// duplicate first loop and make a fan w/ bottom-center
int nExistingB = 0;
int nStartB = nTopC + 1;
for (int k = 0; k < Slices; ++k)
{
vertices[nStartB + k] = vertices[nExistingB + k];
uv[nStartB + k] = (Vector2F)Polygon.Vertices[k].Normalized;
normals[nStartB + k] = normals[nBottomC];
}
append_disc(Slices, nBottomC, nStartB, true, Clockwise, ref ti);
// duplicate second loop and make fan
int nExistingT = nRingSize * (nRings - 1);
int nStartT = nStartB + Slices;
for (int k = 0; k < Slices; ++k)
{
vertices[nStartT + k] = vertices[nExistingT + k];
uv[nStartT + k] = (Vector2F)Polygon.Vertices[k].Normalized;
normals[nStartT + k] = normals[nTopC];
}
append_disc(Slices, nTopC, nStartT, true, !Clockwise, ref ti);
}
else
{
append_disc(Slices, nBottomC, 0, true, Clockwise, ref ti);
append_disc(Slices, nTopC, nRingSize * (nRings - 1), true, !Clockwise, ref ti);
}
}
}
public void UpdateDraw_Spatial(Ray3f ray, Frame3f handFrame, int nStep)
{
// scene xform may have changed during steps (eg view rotation), so we
// need to reconstruct our local frame
Frame3f primCurW = scene.ToWorldFrame(primStartS);
// try snap points
SnapResult snap = Snaps.FindHitSnapPoint(ray);
bool bHaveSnap = (snap != null);
Frame3f snapF = (bHaveSnap) ? scene.ToWorldFrame(snap.FrameS) : Frame3f.Identity;
// step 1: find radius in plane
if (nStep == 0)
{
if (bHaveSnap)
{
plane_hit_local = primCurW.ToFrameP(
primCurW.ProjectToPlane(snapF.Origin, 1));
}
else
{
Vector3f forwardDir = ray.Direction;
Vector3f plane_hit = VRUtil.SafeRayPlaneIntersection(ray, forwardDir, primCurW.Origin, primCurW.Y);
plane_hit_local = primCurW.ToFrameP(plane_hit);
}
}
float fX = MathUtil.SignedClamp(plane_hit_local[0], MinDimension, MaxDimension);
float fY = MinDimension;
float fZ = MathUtil.SignedClamp(plane_hit_local[2], MinDimension, MaxDimension);
float fR_plane = MathUtil.Clamp(plane_hit_local.Length, MinDimension / 2, MaxDimension / 2);
// step 2: find height from plane
if (nStep == 1)
{
Vector3f plane_hit = primCurW.FromFrameP(plane_hit_local);
Line3d l = new Line3d(plane_hit, primCurW.Y);
if (bHaveSnap)
{
fY = (float)l.Project(snapF.Origin);
}
else
{
Vector3f handTip = handFrame.Origin + SceneGraphConfig.HandTipOffset * handFrame.Z;
float fHandDist = (float)l.DistanceSquared(handTip);
if (fHandDist < fR_plane * 1.5f)
{
fY = (float)l.Project(handTip);
}
else
{
fY = (float)DistLine3Ray3.MinDistanceLineParam(ray, l);
}
}
}
// figure out possible dimensions, clamp to ranges
fY = MathUtil.SignedClamp(fY, MinDimension, MaxDimension);
// update frame
primitive.Frame = primCurW;
// update dimensions
bool bIsCorner = (primitive.Center == CenterModes.Corner);
float fScale = 1.0f; // object is not in scene coordinates!
if (primitive.Type == MeshPrimitivePreview.PrimType.Cylinder)
{
primitive.Width = (bIsCorner) ? fR_plane * fScale : 2 * fR_plane * fScale;
primitive.Depth = primitive.Width;
//primitive.Depth = Mathf.Sign(fZ) * primitive.Width;
//primitive.Width = Mathf.Sign(fX) * primitive.Width;
primitive.Height = fY * fScale;
}
else if (primitive.Type == MeshPrimitivePreview.PrimType.Box)
{
primitive.Width = (bIsCorner) ? fX : 2 * fX * fScale;
primitive.Depth = (bIsCorner) ? fZ : 2 * fZ * fScale;
primitive.Height = fY * fScale;
}
else if (primitive.Type == MeshPrimitivePreview.PrimType.Sphere)
{
primitive.Width = (bIsCorner) ? fR_plane * fScale : 2 * fR_plane * fScale;
primitive.Depth = primitive.Height = primitive.Width;
//primitive.Depth = Mathf.Sign(fZ) * primitive.Width;
//primitive.Width = Mathf.Sign(fX) * primitive.Width;
//primitive.Height = Mathf.Sign(fY) * primitive.Width;
}
else
{
throw new NotImplementedException("SnapDrawPrimitivesTool.UpdateDraw_Ray - type not supported");
}
}
