Delete depricated extrusion methods and redirect to universal extrude method.
Sync with PrimMesher.cs r47 on forge.0.6.8-post-fixes
dahlia
parent
1927945053
commit
82554e9a89
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@ -67,11 +67,6 @@ namespace PrimMesher
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Normalize();
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}
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public Quat Identity()
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{
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return new Quat(0.0f, 0.0f, 0.0f, 1.0f);
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}
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public float Length()
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{
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return (float)Math.Sqrt(X * X + Y * Y + Z * Z + W * W);
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@ -660,7 +655,7 @@ namespace PrimMesher
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this.faceNumbers = new List<int>();
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Coord center = new Coord(0.0f, 0.0f, 0.0f);
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bool hasCenter = false;
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//bool hasCenter = false;
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List<Coord> hollowCoords = new List<Coord>();
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List<Coord> hollowNormals = new List<Coord>();
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@ -727,7 +722,7 @@ namespace PrimMesher
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else if (!simpleFace)
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{
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this.coords.Add(center);
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hasCenter = true;
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//hasCenter = true;
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if (this.calcVertexNormals)
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this.vertexNormals.Add(new Coord(0.0f, 0.0f, 1.0f));
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this.us.Add(0.0f);
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@ -1541,7 +1536,7 @@ namespace PrimMesher
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}
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/// <summary>
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/// Extrudes a profile along a straight line path. Used for prim types box, cylinder, and prism.
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/// Extrudes a profile along a path.
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/// </summary>
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public void Extrude(PathType pathType)
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{
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@ -1557,7 +1552,6 @@ namespace PrimMesher
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if (this.calcVertexNormals)
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this.normals = new List<Coord>();
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//int step = 0;
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int steps = 1;
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float length = this.pathCutEnd - this.pathCutBegin;
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@ -1579,20 +1573,6 @@ namespace PrimMesher
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if (twistTotalAbs > 0.01f)
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steps += (int)(twistTotalAbs * 3.66); // dahlia's magic number
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//float start = -0.5f;
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//float stepSize = length / (float)steps;
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//float percentOfPathMultiplier = stepSize;
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//float xProfileScale = 1.0f;
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//float yProfileScale = 1.0f;
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//float xOffset = 0.0f;
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//float yOffset = 0.0f;
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//float zOffset = start;
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//float xOffsetStepIncrement = this.topShearX / steps;
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//float yOffsetStepIncrement = this.topShearY / steps;
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//float percentOfPath = this.pathCutBegin;
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//zOffset += percentOfPath;
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float hollow = this.hollow;
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// sanity checks
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@ -1662,7 +1642,6 @@ namespace PrimMesher
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cut2Vert = hasHollow ? profile.numOuterVerts - 1 : profile.numOuterVerts;
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}
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if (initialProfileRot != 0.0f)
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{
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profile.AddRot(new Quat(new Coord(0.0f, 0.0f, 1.0f), initialProfileRot));
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@ -1693,24 +1672,6 @@ namespace PrimMesher
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path.stepsPerRevolution = stepsPerRevolution;
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path.Create(pathType, steps);
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/*
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public int twistBegin = 0;
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public int twistEnd = 0;
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public float topShearX = 0.0f;
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public float topShearY = 0.0f;
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public float pathCutBegin = 0.0f;
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public float pathCutEnd = 1.0f;
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public float dimpleBegin = 0.0f;
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public float dimpleEnd = 1.0f;
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public float skew = 0.0f;
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public float holeSizeX = 1.0f; // called pathScaleX in pbs
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public float holeSizeY = 0.25f;
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public float taperX = 0.0f;
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public float taperY = 0.0f;
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public float radius = 0.0f;
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public float revolutions = 1.0f;
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public int stepsPerRevolution = 24;
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*/
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bool needEndFaces = false;
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if (pathType == PathType.Circular)
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@ -1796,7 +1757,6 @@ namespace PrimMesher
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int numVerts = newLayer.coords.Count;
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Face newFace = new Face();
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//if (step > 0)
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if (nodeIndex > 0)
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{
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int startVert = coordsLen + 1;
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@ -1812,7 +1772,6 @@ namespace PrimMesher
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iNext = startVert;
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int whichVert = i - startVert;
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//int whichVert2 = i - lastCoordsLen;
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newFace.v1 = i;
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newFace.v2 = i - numVerts;
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@ -1982,809 +1941,27 @@ namespace PrimMesher
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/// <summary>
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/// DEPRICATED - use Extrude(PathType.Linear) instead
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/// Extrudes a profile along a straight line path. Used for prim types box, cylinder, and prism.
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/// </summary>
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///
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public void ExtrudeLinear()
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{
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this.coords = new List<Coord>();
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this.faces = new List<Face>();
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if (this.viewerMode)
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{
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this.viewerFaces = new List<ViewerFace>();
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this.calcVertexNormals = true;
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}
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if (this.calcVertexNormals)
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this.normals = new List<Coord>();
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int step = 0;
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int steps = 1;
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float length = this.pathCutEnd - this.pathCutBegin;
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normalsProcessed = false;
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if (this.viewerMode && this.sides == 3)
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{
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// prisms don't taper well so add some vertical resolution
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// other prims may benefit from this but just do prisms for now
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if (Math.Abs(this.taperX) > 0.01 || Math.Abs(this.taperY) > 0.01)
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steps = (int)(steps * 4.5 * length);
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}
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float twistBegin = this.twistBegin / 360.0f * twoPi;
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float twistEnd = this.twistEnd / 360.0f * twoPi;
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float twistTotal = twistEnd - twistBegin;
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float twistTotalAbs = Math.Abs(twistTotal);
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if (twistTotalAbs > 0.01f)
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steps += (int)(twistTotalAbs * 3.66); // dahlia's magic number
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float start = -0.5f;
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float stepSize = length / (float)steps;
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float percentOfPathMultiplier = stepSize;
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float xProfileScale = 1.0f;
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float yProfileScale = 1.0f;
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float xOffset = 0.0f;
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float yOffset = 0.0f;
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float zOffset = start;
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float xOffsetStepIncrement = this.topShearX / steps;
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float yOffsetStepIncrement = this.topShearY / steps;
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float percentOfPath = this.pathCutBegin;
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zOffset += percentOfPath;
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float hollow = this.hollow;
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// sanity checks
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float initialProfileRot = 0.0f;
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if (this.sides == 3)
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{
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if (this.hollowSides == 4)
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{
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if (hollow > 0.7f)
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hollow = 0.7f;
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hollow *= 0.707f;
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}
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else hollow *= 0.5f;
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}
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else if (this.sides == 4)
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{
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initialProfileRot = 1.25f * (float)Math.PI;
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if (this.hollowSides != 4)
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hollow *= 0.707f;
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}
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else if (this.sides == 24 && this.hollowSides == 4)
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hollow *= 1.414f;
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Profile profile = new Profile(this.sides, this.profileStart, this.profileEnd, hollow, this.hollowSides, true, calcVertexNormals);
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this.errorMessage = profile.errorMessage;
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this.numPrimFaces = profile.numPrimFaces;
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int cut1Vert = -1;
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int cut2Vert = -1;
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if (hasProfileCut)
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{
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cut1Vert = hasHollow ? profile.coords.Count - 1 : 0;
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cut2Vert = hasHollow ? profile.numOuterVerts - 1 : profile.numOuterVerts;
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}
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if (initialProfileRot != 0.0f)
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{
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profile.AddRot(new Quat(new Coord(0.0f, 0.0f, 1.0f), initialProfileRot));
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if (viewerMode)
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profile.MakeFaceUVs();
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}
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Coord lastCutNormal1 = new Coord();
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Coord lastCutNormal2 = new Coord();
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float lastV = 1.0f;
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bool done = false;
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while (!done)
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{
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Profile newLayer = profile.Copy();
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if (this.taperX == 0.0f)
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xProfileScale = 1.0f;
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else if (this.taperX > 0.0f)
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xProfileScale = 1.0f - percentOfPath * this.taperX;
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else xProfileScale = 1.0f + (1.0f - percentOfPath) * this.taperX;
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if (this.taperY == 0.0f)
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yProfileScale = 1.0f;
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else if (this.taperY > 0.0f)
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yProfileScale = 1.0f - percentOfPath * this.taperY;
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else yProfileScale = 1.0f + (1.0f - percentOfPath) * this.taperY;
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if (xProfileScale != 1.0f || yProfileScale != 1.0f)
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newLayer.Scale(xProfileScale, yProfileScale);
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float twist = twistBegin + twistTotal * percentOfPath;
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if (twist != 0.0f)
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newLayer.AddRot(new Quat(new Coord(0.0f, 0.0f, 1.0f), twist));
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newLayer.AddPos(xOffset, yOffset, zOffset);
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if (step == 0)
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{
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newLayer.FlipNormals();
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// add the top faces to the viewerFaces list here
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if (this.viewerMode)
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{
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Coord faceNormal = newLayer.faceNormal;
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ViewerFace newViewerFace = new ViewerFace(profile.bottomFaceNumber);
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int numFaces = newLayer.faces.Count;
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List<Face> faces = newLayer.faces;
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for (int i = 0; i < numFaces; i++)
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{
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Face face = faces[i];
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newViewerFace.v1 = newLayer.coords[face.v1];
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newViewerFace.v2 = newLayer.coords[face.v2];
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newViewerFace.v3 = newLayer.coords[face.v3];
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newViewerFace.coordIndex1 = face.v1;
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newViewerFace.coordIndex2 = face.v2;
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newViewerFace.coordIndex3 = face.v3;
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newViewerFace.n1 = faceNormal;
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newViewerFace.n2 = faceNormal;
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newViewerFace.n3 = faceNormal;
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newViewerFace.uv1 = newLayer.faceUVs[face.v1];
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newViewerFace.uv2 = newLayer.faceUVs[face.v2];
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newViewerFace.uv3 = newLayer.faceUVs[face.v3];
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this.viewerFaces.Add(newViewerFace);
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}
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}
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}
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// append this layer
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int coordsLen = this.coords.Count;
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int lastCoordsLen = coordsLen;
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newLayer.AddValue2FaceVertexIndices(coordsLen);
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this.coords.AddRange(newLayer.coords);
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if (this.calcVertexNormals)
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{
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newLayer.AddValue2FaceNormalIndices(this.normals.Count);
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this.normals.AddRange(newLayer.vertexNormals);
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}
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if (percentOfPath < this.pathCutBegin + 0.01f || percentOfPath > this.pathCutEnd - 0.01f)
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this.faces.AddRange(newLayer.faces);
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// fill faces between layers
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int numVerts = newLayer.coords.Count;
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Face newFace = new Face();
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if (step > 0)
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{
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int startVert = coordsLen + 1;
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int endVert = this.coords.Count;
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if (sides < 5 || this.hasProfileCut || hollow > 0.0f)
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startVert--;
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for (int i = startVert; i < endVert; i++)
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{
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int iNext = i + 1;
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if (i == endVert - 1)
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iNext = startVert;
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int whichVert = i - startVert;
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//int whichVert2 = i - lastCoordsLen;
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newFace.v1 = i;
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newFace.v2 = i - numVerts;
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newFace.v3 = iNext - numVerts;
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this.faces.Add(newFace);
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newFace.v2 = iNext - numVerts;
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newFace.v3 = iNext;
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this.faces.Add(newFace);
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if (this.viewerMode)
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{
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// add the side faces to the list of viewerFaces here
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//int primFaceNum = 1;
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//if (whichVert >= sides)
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// primFaceNum = 2;
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int primFaceNum = profile.faceNumbers[whichVert];
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ViewerFace newViewerFace1 = new ViewerFace(primFaceNum);
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ViewerFace newViewerFace2 = new ViewerFace(primFaceNum);
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float u1 = newLayer.us[whichVert];
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float u2 = 1.0f;
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if (whichVert < newLayer.us.Count - 1)
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u2 = newLayer.us[whichVert + 1];
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if (whichVert == cut1Vert || whichVert == cut2Vert)
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{
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u1 = 0.0f;
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u2 = 1.0f;
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}
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else if (sides < 5)
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{ // boxes and prisms have one texture face per side of the prim, so the U values have to be scaled
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// to reflect the entire texture width
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u1 *= sides;
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u2 *= sides;
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u2 -= (int)u1;
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u1 -= (int)u1;
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if (u2 < 0.1f)
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u2 = 1.0f;
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//newViewerFace2.primFaceNumber = newViewerFace1.primFaceNumber = whichVert + 1;
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}
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newViewerFace1.uv1.U = u1;
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newViewerFace1.uv2.U = u1;
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newViewerFace1.uv3.U = u2;
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newViewerFace1.uv1.V = 1.0f - percentOfPath;
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newViewerFace1.uv2.V = lastV;
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newViewerFace1.uv3.V = lastV;
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newViewerFace2.uv1.U = u1;
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newViewerFace2.uv2.U = u2;
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newViewerFace2.uv3.U = u2;
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newViewerFace2.uv1.V = 1.0f - percentOfPath;
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newViewerFace2.uv2.V = lastV;
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newViewerFace2.uv3.V = 1.0f - percentOfPath;
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newViewerFace1.v1 = this.coords[i];
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newViewerFace1.v2 = this.coords[i - numVerts];
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newViewerFace1.v3 = this.coords[iNext - numVerts];
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newViewerFace2.v1 = this.coords[i];
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newViewerFace2.v2 = this.coords[iNext - numVerts];
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newViewerFace2.v3 = this.coords[iNext];
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newViewerFace1.coordIndex1 = i;
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newViewerFace1.coordIndex2 = i - numVerts;
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newViewerFace1.coordIndex3 = iNext - numVerts;
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newViewerFace2.coordIndex1 = i;
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newViewerFace2.coordIndex2 = iNext - numVerts;
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newViewerFace2.coordIndex3 = iNext;
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// profile cut faces
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if (whichVert == cut1Vert)
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{
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newViewerFace1.n1 = newLayer.cutNormal1;
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newViewerFace1.n2 = newViewerFace1.n3 = lastCutNormal1;
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newViewerFace2.n1 = newViewerFace2.n3 = newLayer.cutNormal1;
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newViewerFace2.n2 = lastCutNormal1;
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}
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else if (whichVert == cut2Vert)
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{
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newViewerFace1.n1 = newLayer.cutNormal2;
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newViewerFace1.n2 = newViewerFace1.n3 = lastCutNormal2;
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newViewerFace2.n1 = newViewerFace2.n3 = newLayer.cutNormal2;
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newViewerFace2.n2 = lastCutNormal2;
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}
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else // outer and hollow faces
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{
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if ((sides < 5 && whichVert < newLayer.numOuterVerts) || (hollowSides < 5 && whichVert >= newLayer.numOuterVerts))
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{
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newViewerFace1.CalcSurfaceNormal();
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newViewerFace2.CalcSurfaceNormal();
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}
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else
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{
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newViewerFace1.n1 = this.normals[i];
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newViewerFace1.n2 = this.normals[i - numVerts];
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newViewerFace1.n3 = this.normals[iNext - numVerts];
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newViewerFace2.n1 = this.normals[i];
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newViewerFace2.n2 = this.normals[iNext - numVerts];
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newViewerFace2.n3 = this.normals[iNext];
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}
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}
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//newViewerFace2.primFaceNumber = newViewerFace1.primFaceNumber = newLayer.faceNumbers[whichVert];
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this.viewerFaces.Add(newViewerFace1);
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this.viewerFaces.Add(newViewerFace2);
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}
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}
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}
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lastCutNormal1 = newLayer.cutNormal1;
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lastCutNormal2 = newLayer.cutNormal2;
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lastV = 1.0f - percentOfPath;
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// calc the step for the next iteration of the loop
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if (step < steps)
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{
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step += 1;
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percentOfPath += percentOfPathMultiplier;
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xOffset += xOffsetStepIncrement;
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yOffset += yOffsetStepIncrement;
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zOffset += stepSize;
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if (percentOfPath > this.pathCutEnd)
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done = true;
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}
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else done = true;
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if (done && viewerMode)
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{
|
||||
// add the top faces to the viewerFaces list here
|
||||
Coord faceNormal = newLayer.faceNormal;
|
||||
ViewerFace newViewerFace = new ViewerFace();
|
||||
newViewerFace.primFaceNumber = 0;
|
||||
int numFaces = newLayer.faces.Count;
|
||||
List<Face> faces = newLayer.faces;
|
||||
|
||||
for (int i = 0; i < numFaces; i++)
|
||||
{
|
||||
Face face = faces[i];
|
||||
newViewerFace.v1 = newLayer.coords[face.v1 - coordsLen];
|
||||
newViewerFace.v2 = newLayer.coords[face.v2 - coordsLen];
|
||||
newViewerFace.v3 = newLayer.coords[face.v3 - coordsLen];
|
||||
|
||||
newViewerFace.coordIndex1 = face.v1 - coordsLen;
|
||||
newViewerFace.coordIndex2 = face.v2 - coordsLen;
|
||||
newViewerFace.coordIndex3 = face.v3 - coordsLen;
|
||||
|
||||
newViewerFace.n1 = faceNormal;
|
||||
newViewerFace.n2 = faceNormal;
|
||||
newViewerFace.n3 = faceNormal;
|
||||
|
||||
newViewerFace.uv1 = newLayer.faceUVs[face.v1 - coordsLen];
|
||||
newViewerFace.uv2 = newLayer.faceUVs[face.v2 - coordsLen];
|
||||
newViewerFace.uv3 = newLayer.faceUVs[face.v3 - coordsLen];
|
||||
|
||||
this.viewerFaces.Add(newViewerFace);
|
||||
}
|
||||
}
|
||||
}
|
||||
this.Extrude(PathType.Linear);
|
||||
}
|
||||
|
||||
|
||||
/// <summary>
|
||||
/// DEPRICATED - use Extrude(PathType.Circular) instead
|
||||
/// Extrude a profile into a circular path prim mesh. Used for prim types torus, tube, and ring.
|
||||
/// </summary>
|
||||
///
|
||||
public void ExtrudeCircular()
|
||||
{
|
||||
this.coords = new List<Coord>();
|
||||
this.faces = new List<Face>();
|
||||
|
||||
if (this.viewerMode)
|
||||
{
|
||||
this.viewerFaces = new List<ViewerFace>();
|
||||
this.calcVertexNormals = true;
|
||||
}
|
||||
|
||||
if (this.calcVertexNormals)
|
||||
this.normals = new List<Coord>();
|
||||
|
||||
int step = 0;
|
||||
int steps = 24;
|
||||
|
||||
normalsProcessed = false;
|
||||
|
||||
float twistBegin = this.twistBegin / 360.0f * twoPi;
|
||||
float twistEnd = this.twistEnd / 360.0f * twoPi;
|
||||
float twistTotal = twistEnd - twistBegin;
|
||||
|
||||
// if the profile has a lot of twist, add more layers otherwise the layers may overlap
|
||||
// and the resulting mesh may be quite inaccurate. This method is arbitrary and doesn't
|
||||
// accurately match the viewer
|
||||
float twistTotalAbs = Math.Abs(twistTotal);
|
||||
if (twistTotalAbs > 0.01f)
|
||||
{
|
||||
if (twistTotalAbs > Math.PI * 1.5f)
|
||||
steps *= 2;
|
||||
if (twistTotalAbs > Math.PI * 3.0f)
|
||||
steps *= 2;
|
||||
}
|
||||
|
||||
float yPathScale = this.holeSizeY * 0.5f;
|
||||
float pathLength = this.pathCutEnd - this.pathCutBegin;
|
||||
float totalSkew = this.skew * 2.0f * pathLength;
|
||||
float skewStart = this.pathCutBegin * 2.0f * this.skew - this.skew;
|
||||
float xOffsetTopShearXFactor = this.topShearX * (0.25f + 0.5f * (0.5f - this.holeSizeY));
|
||||
float yShearCompensation = 1.0f + Math.Abs(this.topShearY) * 0.25f;
|
||||
|
||||
// It's not quite clear what pushY (Y top shear) does, but subtracting it from the start and end
|
||||
// angles appears to approximate it's effects on path cut. Likewise, adding it to the angle used
|
||||
// to calculate the sine for generating the path radius appears to approximate it's effects there
|
||||
// too, but there are some subtle differences in the radius which are noticeable as the prim size
|
||||
// increases and it may affect megaprims quite a bit. The effect of the Y top shear parameter on
|
||||
// the meshes generated with this technique appear nearly identical in shape to the same prims when
|
||||
// displayed by the viewer.
|
||||
|
||||
float startAngle = (twoPi * this.pathCutBegin * this.revolutions) - this.topShearY * 0.9f;
|
||||
float endAngle = (twoPi * this.pathCutEnd * this.revolutions) - this.topShearY * 0.9f;
|
||||
float stepSize = twoPi / this.stepsPerRevolution;
|
||||
|
||||
step = (int)(startAngle / stepSize);
|
||||
int firstStep = step;
|
||||
float angle = startAngle;
|
||||
float hollow = this.hollow;
|
||||
|
||||
// sanity checks
|
||||
float initialProfileRot = 0.0f;
|
||||
if (this.sides == 3)
|
||||
{
|
||||
initialProfileRot = (float)Math.PI;
|
||||
if (this.hollowSides == 4)
|
||||
{
|
||||
if (hollow > 0.7f)
|
||||
hollow = 0.7f;
|
||||
hollow *= 0.707f;
|
||||
}
|
||||
else hollow *= 0.5f;
|
||||
}
|
||||
else if (this.sides == 4)
|
||||
{
|
||||
initialProfileRot = 0.25f * (float)Math.PI;
|
||||
if (this.hollowSides != 4)
|
||||
hollow *= 0.707f;
|
||||
}
|
||||
else if (this.sides > 4)
|
||||
{
|
||||
initialProfileRot = (float)Math.PI;
|
||||
if (this.hollowSides == 4)
|
||||
{
|
||||
if (hollow > 0.7f)
|
||||
hollow = 0.7f;
|
||||
hollow /= 0.7f;
|
||||
}
|
||||
}
|
||||
|
||||
bool needEndFaces = false;
|
||||
if (this.pathCutBegin != 0.0f || this.pathCutEnd != 1.0f)
|
||||
needEndFaces = true;
|
||||
else if (this.taperX != 0.0f || this.taperY != 0.0f)
|
||||
needEndFaces = true;
|
||||
else if (this.skew != 0.0f)
|
||||
needEndFaces = true;
|
||||
else if (twistTotal != 0.0f)
|
||||
needEndFaces = true;
|
||||
else if (this.radius != 0.0f)
|
||||
needEndFaces = true;
|
||||
|
||||
Profile profile = new Profile(this.sides, this.profileStart, this.profileEnd, hollow, this.hollowSides, needEndFaces, calcVertexNormals);
|
||||
this.errorMessage = profile.errorMessage;
|
||||
|
||||
this.numPrimFaces = profile.numPrimFaces;
|
||||
|
||||
int cut1Vert = -1;
|
||||
int cut2Vert = -1;
|
||||
if (hasProfileCut)
|
||||
{
|
||||
cut1Vert = hasHollow ? profile.coords.Count - 1 : 0;
|
||||
cut2Vert = hasHollow ? profile.numOuterVerts - 1 : profile.numOuterVerts;
|
||||
}
|
||||
|
||||
if (initialProfileRot != 0.0f)
|
||||
{
|
||||
profile.AddRot(new Quat(new Coord(0.0f, 0.0f, 1.0f), initialProfileRot));
|
||||
if (viewerMode)
|
||||
profile.MakeFaceUVs();
|
||||
}
|
||||
|
||||
Coord lastCutNormal1 = new Coord();
|
||||
Coord lastCutNormal2 = new Coord();
|
||||
float lastV = 1.0f;
|
||||
|
||||
bool done = false;
|
||||
while (!done) // loop through the length of the path and add the layers
|
||||
{
|
||||
bool isEndLayer = false;
|
||||
if (angle <= startAngle + .01f || angle >= endAngle - .01f)
|
||||
isEndLayer = true;
|
||||
|
||||
Profile newLayer = profile.Copy();
|
||||
|
||||
float xProfileScale = (1.0f - Math.Abs(this.skew)) * this.holeSizeX;
|
||||
float yProfileScale = this.holeSizeY;
|
||||
|
||||
float percentOfPath = angle / (twoPi * this.revolutions);
|
||||
float percentOfAngles = (angle - startAngle) / (endAngle - startAngle);
|
||||
|
||||
if (this.taperX > 0.01f)
|
||||
xProfileScale *= 1.0f - percentOfPath * this.taperX;
|
||||
else if (this.taperX < -0.01f)
|
||||
xProfileScale *= 1.0f + (1.0f - percentOfPath) * this.taperX;
|
||||
|
||||
if (this.taperY > 0.01f)
|
||||
yProfileScale *= 1.0f - percentOfPath * this.taperY;
|
||||
else if (this.taperY < -0.01f)
|
||||
yProfileScale *= 1.0f + (1.0f - percentOfPath) * this.taperY;
|
||||
|
||||
if (xProfileScale != 1.0f || yProfileScale != 1.0f)
|
||||
newLayer.Scale(xProfileScale, yProfileScale);
|
||||
|
||||
float radiusScale = 1.0f;
|
||||
if (this.radius > 0.001f)
|
||||
radiusScale = 1.0f - this.radius * percentOfPath;
|
||||
else if (this.radius < 0.001f)
|
||||
radiusScale = 1.0f + this.radius * (1.0f - percentOfPath);
|
||||
|
||||
float twist = twistBegin + twistTotal * percentOfPath;
|
||||
|
||||
float xOffset = 0.5f * (skewStart + totalSkew * percentOfAngles);
|
||||
xOffset += (float)Math.Sin(angle) * xOffsetTopShearXFactor;
|
||||
|
||||
float yOffset = yShearCompensation * (float)Math.Cos(angle) * (0.5f - yPathScale) * radiusScale;
|
||||
|
||||
float zOffset = (float)Math.Sin(angle + this.topShearY) * (0.5f - yPathScale) * radiusScale;
|
||||
|
||||
// next apply twist rotation to the profile layer
|
||||
if (twistTotal != 0.0f || twistBegin != 0.0f)
|
||||
newLayer.AddRot(new Quat(new Coord(0.0f, 0.0f, 1.0f), twist));
|
||||
|
||||
// now orient the rotation of the profile layer relative to it's position on the path
|
||||
// adding taperY to the angle used to generate the quat appears to approximate the viewer
|
||||
newLayer.AddRot(new Quat(new Coord(1.0f, 0.0f, 0.0f), angle + this.topShearY));
|
||||
newLayer.AddPos(xOffset, yOffset, zOffset);
|
||||
|
||||
if (isEndLayer && angle <= startAngle + .01f)
|
||||
{
|
||||
newLayer.FlipNormals();
|
||||
|
||||
// add the top faces to the viewerFaces list here
|
||||
if (this.viewerMode && needEndFaces)
|
||||
{
|
||||
Coord faceNormal = newLayer.faceNormal;
|
||||
ViewerFace newViewerFace = new ViewerFace();
|
||||
newViewerFace.primFaceNumber = 0;
|
||||
foreach (Face face in newLayer.faces)
|
||||
{
|
||||
newViewerFace.v1 = newLayer.coords[face.v1];
|
||||
newViewerFace.v2 = newLayer.coords[face.v2];
|
||||
newViewerFace.v3 = newLayer.coords[face.v3];
|
||||
|
||||
newViewerFace.coordIndex1 = face.v1;
|
||||
newViewerFace.coordIndex2 = face.v2;
|
||||
newViewerFace.coordIndex3 = face.v3;
|
||||
|
||||
newViewerFace.n1 = faceNormal;
|
||||
newViewerFace.n2 = faceNormal;
|
||||
newViewerFace.n3 = faceNormal;
|
||||
|
||||
newViewerFace.uv1 = newLayer.faceUVs[face.v1];
|
||||
newViewerFace.uv2 = newLayer.faceUVs[face.v2];
|
||||
newViewerFace.uv3 = newLayer.faceUVs[face.v3];
|
||||
|
||||
this.viewerFaces.Add(newViewerFace);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// append the layer and fill in the sides
|
||||
|
||||
int coordsLen = this.coords.Count;
|
||||
newLayer.AddValue2FaceVertexIndices(coordsLen);
|
||||
|
||||
this.coords.AddRange(newLayer.coords);
|
||||
|
||||
if (this.calcVertexNormals)
|
||||
{
|
||||
newLayer.AddValue2FaceNormalIndices(this.normals.Count);
|
||||
this.normals.AddRange(newLayer.vertexNormals);
|
||||
}
|
||||
|
||||
if (isEndLayer)
|
||||
this.faces.AddRange(newLayer.faces);
|
||||
|
||||
// fill faces between layers
|
||||
|
||||
int numVerts = newLayer.coords.Count;
|
||||
Face newFace = new Face();
|
||||
if (step > firstStep)
|
||||
{
|
||||
int startVert = coordsLen + 1;
|
||||
int endVert = this.coords.Count;
|
||||
|
||||
if (sides < 5 || this.hasProfileCut || hollow > 0.0f)
|
||||
startVert--;
|
||||
|
||||
for (int i = startVert; i < endVert; i++)
|
||||
{
|
||||
int iNext = i + 1;
|
||||
if (i == endVert - 1)
|
||||
iNext = startVert;
|
||||
|
||||
int whichVert = i - startVert;
|
||||
|
||||
newFace.v1 = i;
|
||||
newFace.v2 = i - numVerts;
|
||||
newFace.v3 = iNext - numVerts;
|
||||
this.faces.Add(newFace);
|
||||
|
||||
newFace.v2 = iNext - numVerts;
|
||||
newFace.v3 = iNext;
|
||||
this.faces.Add(newFace);
|
||||
|
||||
if (this.viewerMode)
|
||||
{
|
||||
int primFaceNumber = profile.faceNumbers[whichVert];
|
||||
if (!needEndFaces)
|
||||
primFaceNumber -= 1;
|
||||
|
||||
// add the side faces to the list of viewerFaces here
|
||||
ViewerFace newViewerFace1 = new ViewerFace(primFaceNumber);
|
||||
ViewerFace newViewerFace2 = new ViewerFace(primFaceNumber);
|
||||
float u1 = newLayer.us[whichVert];
|
||||
float u2 = 1.0f;
|
||||
if (whichVert < newLayer.us.Count - 1)
|
||||
u2 = newLayer.us[whichVert + 1];
|
||||
|
||||
if (whichVert == cut1Vert || whichVert == cut2Vert)
|
||||
{
|
||||
u1 = 0.0f;
|
||||
u2 = 1.0f;
|
||||
}
|
||||
else if (sides < 5)
|
||||
{ // boxes and prisms have one texture face per side of the prim, so the U values have to be scaled
|
||||
// to reflect the entire texture width
|
||||
u1 *= sides;
|
||||
u2 *= sides;
|
||||
u2 -= (int)u1;
|
||||
u1 -= (int)u1;
|
||||
if (u2 < 0.1f)
|
||||
u2 = 1.0f;
|
||||
|
||||
//newViewerFace2.primFaceNumber = newViewerFace1.primFaceNumber = whichVert + 1;
|
||||
}
|
||||
|
||||
newViewerFace1.uv1.U = u1;
|
||||
newViewerFace1.uv2.U = u1;
|
||||
newViewerFace1.uv3.U = u2;
|
||||
|
||||
newViewerFace1.uv1.V = 1.0f - percentOfPath;
|
||||
newViewerFace1.uv2.V = lastV;
|
||||
newViewerFace1.uv3.V = lastV;
|
||||
|
||||
newViewerFace2.uv1.U = u1;
|
||||
newViewerFace2.uv2.U = u2;
|
||||
newViewerFace2.uv3.U = u2;
|
||||
|
||||
newViewerFace2.uv1.V = 1.0f - percentOfPath;
|
||||
newViewerFace2.uv2.V = lastV;
|
||||
newViewerFace2.uv3.V = 1.0f - percentOfPath;
|
||||
|
||||
newViewerFace1.v1 = this.coords[i];
|
||||
newViewerFace1.v2 = this.coords[i - numVerts];
|
||||
newViewerFace1.v3 = this.coords[iNext - numVerts];
|
||||
|
||||
newViewerFace2.v1 = this.coords[i];
|
||||
newViewerFace2.v2 = this.coords[iNext - numVerts];
|
||||
newViewerFace2.v3 = this.coords[iNext];
|
||||
|
||||
newViewerFace1.coordIndex1 = i;
|
||||
newViewerFace1.coordIndex2 = i - numVerts;
|
||||
newViewerFace1.coordIndex3 = iNext - numVerts;
|
||||
|
||||
newViewerFace2.coordIndex1 = i;
|
||||
newViewerFace2.coordIndex2 = iNext - numVerts;
|
||||
newViewerFace2.coordIndex3 = iNext;
|
||||
|
||||
// profile cut faces
|
||||
if (whichVert == cut1Vert)
|
||||
{
|
||||
newViewerFace1.n1 = newLayer.cutNormal1;
|
||||
newViewerFace1.n2 = newViewerFace1.n3 = lastCutNormal1;
|
||||
|
||||
newViewerFace2.n1 = newViewerFace2.n3 = newLayer.cutNormal1;
|
||||
newViewerFace2.n2 = lastCutNormal1;
|
||||
}
|
||||
else if (whichVert == cut2Vert)
|
||||
{
|
||||
newViewerFace1.n1 = newLayer.cutNormal2;
|
||||
newViewerFace1.n2 = newViewerFace1.n3 = lastCutNormal2;
|
||||
|
||||
newViewerFace2.n1 = newViewerFace2.n3 = newLayer.cutNormal2;
|
||||
newViewerFace2.n2 = lastCutNormal2;
|
||||
}
|
||||
else // periphery faces
|
||||
{
|
||||
if (sides < 5 && whichVert < newLayer.numOuterVerts)
|
||||
{
|
||||
newViewerFace1.n1 = this.normals[i];
|
||||
newViewerFace1.n2 = this.normals[i - numVerts];
|
||||
newViewerFace1.n3 = this.normals[i - numVerts];
|
||||
|
||||
newViewerFace2.n1 = this.normals[i];
|
||||
newViewerFace2.n2 = this.normals[i - numVerts];
|
||||
newViewerFace2.n3 = this.normals[i];
|
||||
}
|
||||
else if (hollowSides < 5 && whichVert >= newLayer.numOuterVerts)
|
||||
{
|
||||
newViewerFace1.n1 = this.normals[iNext];
|
||||
newViewerFace1.n2 = this.normals[iNext - numVerts];
|
||||
newViewerFace1.n3 = this.normals[iNext - numVerts];
|
||||
|
||||
newViewerFace2.n1 = this.normals[iNext];
|
||||
newViewerFace2.n2 = this.normals[iNext - numVerts];
|
||||
newViewerFace2.n3 = this.normals[iNext];
|
||||
}
|
||||
else
|
||||
{
|
||||
newViewerFace1.n1 = this.normals[i];
|
||||
newViewerFace1.n2 = this.normals[i - numVerts];
|
||||
newViewerFace1.n3 = this.normals[iNext - numVerts];
|
||||
|
||||
newViewerFace2.n1 = this.normals[i];
|
||||
newViewerFace2.n2 = this.normals[iNext - numVerts];
|
||||
newViewerFace2.n3 = this.normals[iNext];
|
||||
}
|
||||
}
|
||||
|
||||
//newViewerFace1.primFaceNumber = newViewerFace2.primFaceNumber = newLayer.faceNumbers[whichVert];
|
||||
this.viewerFaces.Add(newViewerFace1);
|
||||
this.viewerFaces.Add(newViewerFace2);
|
||||
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
lastCutNormal1 = newLayer.cutNormal1;
|
||||
lastCutNormal2 = newLayer.cutNormal2;
|
||||
lastV = 1.0f - percentOfPath;
|
||||
|
||||
// calculate terms for next iteration
|
||||
// calculate the angle for the next iteration of the loop
|
||||
|
||||
if (angle >= endAngle - 0.01)
|
||||
done = true;
|
||||
else
|
||||
{
|
||||
step += 1;
|
||||
angle = stepSize * step;
|
||||
if (angle > endAngle)
|
||||
angle = endAngle;
|
||||
}
|
||||
|
||||
if (done && viewerMode && needEndFaces)
|
||||
{
|
||||
// add the bottom faces to the viewerFaces list here
|
||||
Coord faceNormal = newLayer.faceNormal;
|
||||
ViewerFace newViewerFace = new ViewerFace();
|
||||
//newViewerFace.primFaceNumber = newLayer.bottomFaceNumber + 1;
|
||||
newViewerFace.primFaceNumber = newLayer.bottomFaceNumber;
|
||||
foreach (Face face in newLayer.faces)
|
||||
{
|
||||
newViewerFace.v1 = newLayer.coords[face.v1 - coordsLen];
|
||||
newViewerFace.v2 = newLayer.coords[face.v2 - coordsLen];
|
||||
newViewerFace.v3 = newLayer.coords[face.v3 - coordsLen];
|
||||
|
||||
newViewerFace.coordIndex1 = face.v1 - coordsLen;
|
||||
newViewerFace.coordIndex2 = face.v2 - coordsLen;
|
||||
newViewerFace.coordIndex3 = face.v3 - coordsLen;
|
||||
|
||||
newViewerFace.n1 = faceNormal;
|
||||
newViewerFace.n2 = faceNormal;
|
||||
newViewerFace.n3 = faceNormal;
|
||||
|
||||
newViewerFace.uv1 = newLayer.faceUVs[face.v1 - coordsLen];
|
||||
newViewerFace.uv2 = newLayer.faceUVs[face.v2 - coordsLen];
|
||||
newViewerFace.uv3 = newLayer.faceUVs[face.v3 - coordsLen];
|
||||
|
||||
this.viewerFaces.Add(newViewerFace);
|
||||
}
|
||||
}
|
||||
}
|
||||
this.Extrude(PathType.Circular);
|
||||
}
|
||||
|
||||
|
||||
private Coord SurfaceNormal(Coord c1, Coord c2, Coord c3)
|
||||
{
|
||||
Coord edge1 = new Coord(c2.X - c1.X, c2.Y - c1.Y, c2.Z - c1.Z);
|
||||
|
|
|
|||
Loading…
Reference in New Issue