public override void LoadBlueprint(ObiSolver solver)
{
// Grab a copy of the serialized topology reference. This happens when duplicating a cloth.
if (topology != null && topology.ContainsData)
{
topology = new HalfEdgeMesh(topology);
}
// Or a copy of the shared topology, if there is no valid reference to a topology.
else if (m_TearableClothBlueprint != null && m_TearableClothBlueprint.Topology != null)
{
topology = new HalfEdgeMesh(m_TearableClothBlueprint.Topology);
}
//Copy tear resistance array:
tearResistance = new float[m_TearableClothBlueprint.tearResistance.Length];
for (int i = 0; i < tearResistance.Length; ++i)
{
tearResistance[i] = m_TearableClothBlueprint.tearResistance[i];
}
//Copy deformable triangles array:
deformableTriangles = new int[m_TearableClothBlueprint.deformableTriangles.Length];
for (int i = 0; i < deformableTriangles.Length; ++i)
{
deformableTriangles[i] = m_TearableClothBlueprint.deformableTriangles[i];
}
base.LoadBlueprint(solver);
SetupRuntimeConstraints();
}
public HalfEdgeMesh(HalfEdgeMesh halfEdge)
{
this.containsData = halfEdge.containsData;
this.inputMesh = halfEdge.inputMesh;
this.scale = halfEdge.scale;
this.vertices = new List <Vertex>(halfEdge.vertices);
this.halfEdges = new List <HalfEdge>(halfEdge.halfEdges);
this.borderEdges = new List <HalfEdge>(halfEdge.borderEdges);
this.faces = new List <Face>(halfEdge.faces);
this.restNormals = new List <Vector3>(halfEdge.restNormals);
this.restOrientations = new List <Quaternion>(halfEdge.restOrientations);
this.rawToWelded = new List <int>(halfEdge.rawToWelded);
}
protected override IEnumerator Initialize()
{
if (inputMesh == null || !inputMesh.isReadable)
{
// TODO: return an error in the coroutine.
Debug.LogError("The input mesh is null, or not readable.");
yield break;
}
ClearParticleGroups();
topology = new HalfEdgeMesh();
topology.inputMesh = inputMesh;
topology.Generate();
positions = new Vector3[topology.vertices.Count];
restPositions = new Vector4[topology.vertices.Count];
velocities = new Vector3[topology.vertices.Count];
invMasses = new float[topology.vertices.Count];
principalRadii = new Vector3[topology.vertices.Count];
phases = new int[topology.vertices.Count];
colors = new Color[topology.vertices.Count];
areaContribution = new float[topology.vertices.Count];
// Create a particle for each vertex:
m_ActiveParticleCount = topology.vertices.Count;
for (int i = 0; i < topology.vertices.Count; i++)
{
HalfEdgeMesh.Vertex vertex = topology.vertices[i];
// Get the particle's area contribution.
areaContribution[i] = 0;
foreach (HalfEdgeMesh.Face face in topology.GetNeighbourFacesEnumerator(vertex))
{
areaContribution[i] += topology.GetFaceArea(face) / 3;
}
// Get the shortest neighbour edge, particle radius will be half of its length.
float minEdgeLength = Single.MaxValue;
foreach (HalfEdgeMesh.HalfEdge edge in topology.GetNeighbourEdgesEnumerator(vertex))
{
// vertices at each end of the edge:
Vector3 v1 = Vector3.Scale(scale, topology.vertices[topology.GetHalfEdgeStartVertex(edge)].position);
Vector3 v2 = Vector3.Scale(scale, topology.vertices[edge.endVertex].position);
minEdgeLength = Mathf.Min(minEdgeLength, Vector3.Distance(v1, v2));
}
invMasses[i] = (/*skinnedMeshRenderer == null &&*/ areaContribution[i] > 0) ? (1.0f / (DEFAULT_PARTICLE_MASS * areaContribution[i])) : 0;
positions[i] = Vector3.Scale(scale, vertex.position);
restPositions[i] = positions[i];
restPositions[i][3] = 1; // activate rest position.
principalRadii[i] = Vector3.one * minEdgeLength * 0.5f;
phases[i] = ObiUtils.MakePhase(1, /*selfCollisions ? Oni.ParticlePhase.SelfCollide : 0*/ 0);
colors[i] = Color.white;
if (i % 500 == 0)
{
yield return(new CoroutineJob.ProgressInfo("ObiCloth: generating particles...", i / (float)topology.vertices.Count));
}
}
// Deformable triangles:
IEnumerator dt = GenerateDeformableTriangles();
while (dt.MoveNext())
{
yield return(dt.Current);
}
// Create distance constraints:
IEnumerator dc = CreateDistanceConstraints();
while (dc.MoveNext())
{
yield return(dc.Current);
}
// Create aerodynamic constraints:
IEnumerator ac = CreateAerodynamicConstraints();
while (ac.MoveNext())
{
yield return(ac.Current);
}
// Create bending constraints:
IEnumerator bc = CreateBendingConstraints();
while (bc.MoveNext())
{
yield return(bc.Current);
}
// Create volume constraints:
IEnumerator vc = CreateVolumeConstraints();
while (vc.MoveNext())
{
yield return(vc.Current);
}
}
