AttachNode [] getFairingParams()
{
if (part.GetComponent <KzNodeNumberTweaker>() is KzNodeNumberTweaker nnt &&
part.FindAttachNodes("connect") is AttachNode[] attached)
{
if (!AllFairingSidesAttached())
{
shape = null;
sideFairing = null;
boundCylY0 = boundCylY1 = boundCylRad = 0;
lookupCenter = Vector3.zero;
lookupRad = 0;
return(null);
}
ProceduralFairingSide sf = attached[0].attachedPart.GetComponent <ProceduralFairingSide>();
sideFairing = sf;
// Get the polyline shape.
shape = (sf.inlineHeight <= 0) ?
ProceduralFairingBase.buildFairingShape(sf.baseRad, sf.maxRad, sf.cylStart, sf.cylEnd, sf.noseHeightRatio, sf.baseConeShape, sf.noseConeShape, (int)sf.baseConeSegments, (int)sf.noseConeSegments, sf.vertMapping, sf.mappingScale.y) :
ProceduralFairingBase.buildInlineFairingShape(sf.baseRad, sf.maxRad, sf.topRad, sf.cylStart, sf.cylEnd, sf.inlineHeight, sf.baseConeShape, (int)sf.baseConeSegments, sf.vertMapping, sf.mappingScale.y);
// Offset shape by thickness.
for (int i = 0; i < shape.Length; ++i)
{
if (i == 0 || i == shape.Length - 1)
{
shape[i] += new Vector3(sf.sideThickness, 0, 0);
}
else
{
Vector2 n = shape[i + 1] - shape[i - 1];
n.Set(n.y, -n.x);
n.Normalize();
shape[i] += new Vector3(n.x, n.y, 0) * sf.sideThickness;
}
}
// Compute the bounds.
boundCylRad = shape[0].x;
boundCylY0 = shape[0].y;
boundCylY1 = shape[0].y;
foreach (Vector3 p in shape)
{
boundCylRad = Math.Max(boundCylRad, p.x);
boundCylY0 = Math.Min(boundCylY0, p.y);
boundCylY1 = Math.Max(boundCylY1, p.y);
}
lookupCenter = new Vector3(0, (boundCylY0 + boundCylY1) / 2, 0);
lookupRad = new Vector2(boundCylRad, (boundCylY1 - boundCylY0) / 2).magnitude;
return(attached);
}
return(null);
}
AttachNode [] getFairingParams()
{
var nnt = part.GetComponent <KzNodeNumberTweaker>();
// Check for attached side parts and get their parameters.
var attached = part.FindAttachNodes("connect");
ProceduralFairingSide sf = null;
for (int i = 0; i < nnt.numNodes; ++i)
{
var n = attached [i];
if (!n.attachedPart)
{
sf = null;
break;
}
sf = n.attachedPart.GetComponent <ProceduralFairingSide>();
if (!sf)
{
break;
}
}
sideFairing = sf;
if (!sf)
{
shape = null;
boundCylY0 = boundCylY1 = boundCylRad = 0;
lookupCenter = Vector3.zero;
lookupRad = 0;
return(null);
}
// Get the polyline shape.
if (sf.inlineHeight <= 0)
{
shape = ProceduralFairingBase.buildFairingShape(sf.baseRad, sf.maxRad, sf.cylStart, sf.cylEnd, sf.noseHeightRatio, sf.baseConeShape, sf.noseConeShape, (int)sf.baseConeSegments, (int)sf.noseConeSegments, sf.vertMapping, sf.mappingScale.y);
}
else
{
shape = ProceduralFairingBase.buildInlineFairingShape(sf.baseRad, sf.maxRad, sf.topRad, sf.cylStart, sf.cylEnd, sf.inlineHeight, sf.baseConeShape, (int)sf.baseConeSegments, sf.vertMapping, sf.mappingScale.y);
}
// Offset shape by thickness.
for (int i = 0; i < shape.Length; ++i)
{
if (i == 0 || i == shape.Length - 1)
{
shape [i] += new Vector3(sf.sideThickness, 0, 0);
}
else
{
Vector2 n = shape [i + 1] - shape [i - 1];
n.Set(n.y, -n.x);
n.Normalize();
shape [i] += new Vector3(n.x, n.y, 0) * sf.sideThickness;
}
}
// Compute the bounds.
float y0, y1, mr;
y0 = y1 = shape [0].y;
mr = shape [0].x;
for (int i = 0; i < shape.Length; ++i)
{
var p = shape [i];
if (p.x > mr)
{
mr = p.x;
}
if (p.y < y0)
{
y0 = p.y;
}
else if (p.y > y1)
{
y1 = p.y;
}
}
boundCylY0 = y0;
boundCylY1 = y1;
boundCylRad = mr;
lookupCenter = new Vector3(0, (y0 + y1) * 0.5f, 0);
lookupRad = new Vector2(mr, (y1 - y0) * 0.5f).magnitude;
return(attached);
}
public void rebuildMesh()
{
var mf = part.FindModelComponent <MeshFilter>("model");
if (!mf)
{
Debug.LogError("[PF]: No model for side fairing!", part);
return;
}
Mesh m = mf.mesh;
if (!m)
{
Debug.LogError("[PF]: No mesh in side fairing model!", part);
return;
}
mf.transform.localPosition = meshPos;
mf.transform.localRotation = meshRot;
updateNodeSize();
// Build the fairing shape line.
float tip = maxRad * noseHeightRatio;
Vector3 [] shape;
baseConeShape = new Vector4(baseCurveStartX, baseCurveStartY, baseCurveEndX, baseCurveEndY);
noseConeShape = new Vector4(noseCurveStartX, noseCurveStartY, noseCurveEndX, noseCurveEndY);
if (inlineHeight <= 0)
{
shape = ProceduralFairingBase.buildFairingShape(baseRad, maxRad, cylStart, cylEnd, noseHeightRatio, baseConeShape, noseConeShape, (int)baseConeSegments, (int)noseConeSegments, vertMapping, mappingScale.y);
}
else
{
shape = ProceduralFairingBase.buildInlineFairingShape(baseRad, maxRad, topRad, cylStart, cylEnd, inlineHeight, baseConeShape, (int)baseConeSegments, vertMapping, mappingScale.y);
}
// Set up parameters.
var dirs = new Vector3 [numSegs + 1];
for (int i = 0; i <= numSegs; ++i)
{
float a = Mathf.PI * 2 * (i - numSegs * 0.5f) / (numSideParts * numSegs);
dirs [i] = new Vector3(Mathf.Cos(a), 0, Mathf.Sin(a));
}
float segOMappingScale = (horMapping.y - horMapping.x) / (mappingScale.x * numSegs);
float segIMappingScale = (horMapping.w - horMapping.z) / (mappingScale.x * numSegs);
float segOMappingOfs = horMapping.x / mappingScale.x;
float segIMappingOfs = horMapping.z / mappingScale.x;
if (numSideParts > 2)
{
segOMappingOfs += segOMappingScale * numSegs * (0.5f - 1f / numSideParts);
segOMappingScale *= 2f / numSideParts;
segIMappingOfs += segIMappingScale * numSegs * (0.5f - 1f / numSideParts);
segIMappingScale *= 2f / numSideParts;
}
float stripU0 = stripMapping.x / mappingScale.x;
float stripU1 = stripMapping.y / mappingScale.x;
float ringSegLen = baseRad * Mathf.PI * 2 / (numSegs * numSideParts);
float topRingSegLen = topRad * Mathf.PI * 2 / (numSegs * numSideParts);
float collWidth = maxRad * Mathf.PI * 2 / (numSideParts * 3);
int numMainVerts = (numSegs + 1) * (shape.Length - 1) + 1;
int numMainFaces = numSegs * ((shape.Length - 2) * 2 + 1);
int numSideVerts = shape.Length * 2;
int numSideFaces = (shape.Length - 1) * 2;
int numRingVerts = (numSegs + 1) * 2;
int numRingFaces = numSegs * 2;
if (inlineHeight > 0)
{
numMainVerts = (numSegs + 1) * shape.Length;
numMainFaces = numSegs * (shape.Length - 1) * 2;
}
int totalVerts = numMainVerts * 2 + numSideVerts * 2 + numRingVerts;
int totalFaces = numMainFaces * 2 + numSideFaces * 2 + numRingFaces;
if (inlineHeight > 0)
{
totalVerts += numRingVerts;
totalFaces += numRingFaces;
}
var p = shape [shape.Length - 1];
float topY = p.y, topV = p.z;
float collCenter = (cylStart + cylEnd) / 2;
float collHeight = cylEnd - cylStart;
if (collHeight <= 0)
{
collHeight = Mathf.Min(topY - cylEnd, cylStart) / 2;
}
// Compute the area.
double area = 0;
for (int i = 1; i < shape.Length; ++i)
{
area += (shape [i - 1].x + shape [i].x) * (shape [i].y - shape [i - 1].y) * Mathf.PI / numSideParts;
}
// Set the parameters based on volume.
float volume = (float)(area * sideThickness);
part.mass = totalMass = volume * density;
part.breakingForce = part.mass * specificBreakingForce;
part.breakingTorque = part.mass * specificBreakingTorque;
var offset = new Vector3(maxRad * 0.7f, topY * 0.5f, 0);
part.CoMOffset = part.transform.InverseTransformPoint(mf.transform.TransformPoint(offset));
// Remove any old colliders.
var colls = part.FindModelComponents <Collider>();
for (int i = 0; i < colls.Count; i++)
{
var c = colls [i];
UnityEngine.Object.Destroy(c.gameObject);
}
// Add the new colliders.
for (int i = -1; i <= 1; ++i)
{
var obj = new GameObject("collider");
obj.transform.parent = mf.transform;
obj.transform.localPosition = Vector3.zero;
obj.transform.localRotation = Quaternion.AngleAxis(90f * i / numSideParts, Vector3.up);
var coll = obj.AddComponent <BoxCollider>();
coll.center = new Vector3(maxRad + sideThickness * 0.5f, collCenter, 0);
coll.size = new Vector3(sideThickness, collHeight, collWidth);
}
{
// Nose collider.
float r = maxRad * 0.2f;
var obj = new GameObject("nose_collider");
obj.transform.parent = mf.transform;
obj.transform.localPosition = new Vector3(r, cylEnd + tip - r * 1.2f, 0);
obj.transform.localRotation = Quaternion.identity;
if (inlineHeight > 0)
{
r = sideThickness * 0.5f;
obj.transform.localPosition = new Vector3(maxRad + r, collCenter, 0);
}
var coll = obj.AddComponent <SphereCollider>();
coll.center = Vector3.zero;
coll.radius = r;
}
// Build the fairing mesh.
m.Clear();
var verts = new Vector3 [totalVerts];
var uv = new Vector2 [totalVerts];
var norm = new Vector3 [totalVerts];
var tang = new Vector4 [totalVerts];
if (inlineHeight <= 0)
{
// Tip vertex.
verts [numMainVerts - 1].Set(0, topY + sideThickness, 0); // Outside.
verts [numMainVerts * 2 - 1].Set(0, topY, 0); // Inside.
uv [numMainVerts - 1].Set(segOMappingScale * 0.5f * numSegs + segOMappingOfs, topV);
uv [numMainVerts * 2 - 1].Set(segIMappingScale * 0.5f * numSegs + segIMappingOfs, topV);
norm [numMainVerts - 1] = Vector3.up;
norm [numMainVerts * 2 - 1] = -Vector3.up;
tang [numMainVerts - 1] = Vector3.zero;
tang [numMainVerts * 2 - 1] = Vector3.zero;
}
// Main vertices.
float noseV0 = vertMapping.z / mappingScale.y;
float noseV1 = vertMapping.w / mappingScale.y;
float noseVScale = 1f / (noseV1 - noseV0);
float oCenter = (horMapping.x + horMapping.y) / (mappingScale.x * 2);
float iCenter = (horMapping.z + horMapping.w) / (mappingScale.x * 2);
int vi = 0;
for (int i = 0; i < shape.Length - (inlineHeight <= 0 ? 1 : 0); ++i)
{
p = shape [i];
Vector2 n;
if (i == 0)
{
n = shape [1] - shape [0];
}
else if (i == shape.Length - 1)
{
n = shape [i] - shape [i - 1];
}
else
{
n = shape [i + 1] - shape [i - 1];
}
n.Set(n.y, -n.x);
n.Normalize();
for (int j = 0; j <= numSegs; ++j, ++vi)
{
var d = dirs [j];
var dp = d * p.x + Vector3.up * p.y;
var dn = d * n.x + Vector3.up * n.y;
if (i == 0 || i == shape.Length - 1)
{
verts [vi] = dp + d * sideThickness;
}
else
{
verts [vi] = dp + dn * sideThickness;
}
verts[vi + numMainVerts] = dp;
float v = (p.z - noseV0) * noseVScale;
float uo = j * segOMappingScale + segOMappingOfs;
float ui = (numSegs - j) * segIMappingScale + segIMappingOfs;
if (v > 0 && v < 1)
{
float us = 1 - v;
uo = (uo - oCenter) * us + oCenter;
ui = (ui - iCenter) * us + iCenter;
}
uv [vi].Set(uo, p.z);
uv [vi + numMainVerts].Set(ui, p.z);
norm [vi] = dn;
norm [vi + numMainVerts] = -dn;
tang [vi].Set(-d.z, 0, d.x, 0);
tang [vi + numMainVerts].Set(d.z, 0, -d.x, 0);
}
}
// Side strip vertices.
float stripScale = Mathf.Abs(stripMapping.y - stripMapping.x) / (sideThickness * mappingScale.y);
vi = numMainVerts * 2;
float o = 0;
for (int i = 0; i < shape.Length; ++i, vi += 2)
{
int si = i * (numSegs + 1);
var d = dirs [0];
verts [vi] = verts [si];
uv [vi].Set(stripU0, o);
norm [vi].Set(d.z, 0, -d.x);
verts [vi + 1] = verts [si + numMainVerts];
uv [vi + 1].Set(stripU1, o);
norm [vi + 1] = norm[vi];
tang [vi] = tang [vi + 1] = (verts [vi + 1] - verts [vi]).normalized;
if (i + 1 < shape.Length)
{
o += ((Vector2)shape [i + 1] - (Vector2)shape [i]).magnitude * stripScale;
}
}
vi += numSideVerts - 2;
for (int i = shape.Length - 1; i >= 0; --i, vi -= 2)
{
int si = i * (numSegs + 1) + numSegs;
if (i == shape.Length - 1 && inlineHeight <= 0)
{
si = numMainVerts - 1;
}
var d = dirs [numSegs];
verts [vi] = verts [si];
uv [vi].Set(stripU0, o);
norm [vi].Set(-d.z, 0, d.x);
verts [vi + 1] = verts [si + numMainVerts];
uv [vi + 1].Set(stripU1, o);
norm [vi + 1] = norm [vi];
tang [vi] = tang [vi + 1] = (verts [vi + 1] - verts [vi]).normalized;
if (i > 0)
{
o += ((Vector2)shape [i] - (Vector2)shape [i - 1]).magnitude * stripScale;
}
}
// Ring vertices.
vi = numMainVerts * 2 + numSideVerts * 2;
o = 0;
for (int j = numSegs; j >= 0; --j, vi += 2, o += ringSegLen * stripScale)
{
verts [vi] = verts [j];
uv [vi].Set(stripU0, o);
norm [vi] = -Vector3.up;
verts [vi + 1] = verts [j + numMainVerts];
uv [vi + 1].Set(stripU1, o);
norm [vi + 1] = -Vector3.up;
tang [vi] = tang [vi + 1] = (verts [vi + 1] - verts [vi]).normalized;
}
if (inlineHeight > 0)
{
// Top ring vertices.
o = 0;
int si = (shape.Length - 1) * (numSegs + 1);
for (int j = 0; j <= numSegs; ++j, vi += 2, o += topRingSegLen * stripScale)
{
verts [vi] = verts [si + j];
uv [vi].Set(stripU0, o);
norm [vi] = Vector3.up;
verts [vi + 1] = verts [si + j + numMainVerts];
uv [vi + 1].Set(stripU1, o);
norm [vi + 1] = Vector3.up;
tang [vi] = tang [vi + 1] = (verts [vi + 1] - verts [vi]).normalized;
}
}
// Set vertex data to mesh.
for (int i = 0; i < totalVerts; ++i)
{
tang [i].w = 1;
}
m.vertices = verts;
m.uv = uv;
m.normals = norm;
m.tangents = tang;
m.uv2 = null;
m.colors32 = null;
var tri = new int [totalFaces * 3];
// Main faces.
vi = 0;
int ti1 = 0, ti2 = numMainFaces * 3;
for (int i = 0; i < shape.Length - (inlineHeight <= 0 ? 2 : 1); ++i, ++vi)
{
p = shape [i];
for (int j = 0; j < numSegs; ++j, ++vi)
{
tri [ti1++] = vi;
tri [ti1++] = vi + 1 + numSegs + 1;
tri [ti1++] = vi + 1;
tri [ti1++] = vi;
tri [ti1++] = vi + numSegs + 1;
tri [ti1++] = vi + 1 + numSegs + 1;
tri [ti2++] = numMainVerts + vi;
tri [ti2++] = numMainVerts + vi + 1;
tri [ti2++] = numMainVerts + vi + 1 + numSegs + 1;
tri [ti2++] = numMainVerts + vi;
tri [ti2++] = numMainVerts + vi + 1 + numSegs + 1;
tri [ti2++] = numMainVerts + vi + numSegs + 1;
}
}
if (inlineHeight <= 0)
{
// Main tip faces.
for (int j = 0; j < numSegs; ++j, ++vi)
{
tri [ti1++] = vi;
tri [ti1++] = numMainVerts - 1;
tri [ti1++] = vi + 1;
tri [ti2++] = numMainVerts + vi;
tri [ti2++] = numMainVerts + vi + 1;
tri [ti2++] = numMainVerts + numMainVerts - 1;
}
}
// Side strip faces.
vi = numMainVerts * 2;
ti1 = numMainFaces * 2 * 3;
ti2 = ti1 + numSideFaces * 3;
for (int i = 0; i < shape.Length - 1; ++i, vi += 2)
{
tri [ti1++] = vi;
tri [ti1++] = vi + 1;
tri [ti1++] = vi + 3;
tri [ti1++] = vi;
tri [ti1++] = vi + 3;
tri [ti1++] = vi + 2;
tri [ti2++] = numSideVerts + vi;
tri [ti2++] = numSideVerts + vi + 3;
tri [ti2++] = numSideVerts + vi + 1;
tri [ti2++] = numSideVerts + vi;
tri [ti2++] = numSideVerts + vi + 2;
tri [ti2++] = numSideVerts + vi + 3;
}
// Ring faces.
vi = numMainVerts * 2 + numSideVerts * 2;
ti1 = (numMainFaces + numSideFaces) * 2 * 3;
for (int j = 0; j < numSegs; ++j, vi += 2)
{
tri [ti1++] = vi;
tri [ti1++] = vi + 1;
tri [ti1++] = vi + 3;
tri [ti1++] = vi;
tri [ti1++] = vi + 3;
tri [ti1++] = vi + 2;
}
if (inlineHeight > 0)
{
// Top ring faces.
vi += 2;
for (int j = 0; j < numSegs; ++j, vi += 2)
{
tri [ti1++] = vi;
tri [ti1++] = vi + 1;
tri [ti1++] = vi + 3;
tri [ti1++] = vi;
tri [ti1++] = vi + 3;
tri [ti1++] = vi + 2;
}
}
m.triangles = tri;
StartCoroutine(PFUtils.updateDragCubeCoroutine(part, 1));
}
