public static SoftBody CreateFromTriMesh(SoftBodyWorldInfo worldInfo, Vector3[] vertices, int[] triangles, bool randomizeConstraints = true)
{
int numTriangleIndices = triangles.Length;
int numTriangles = numTriangleIndices / 3;
int maxIndex = 0; // triangles.Max() + 1;
for (int i = 0; i < numTriangleIndices; i++)
{
if (triangles[i] > maxIndex)
{
maxIndex = triangles[i];
}
}
maxIndex++;
SoftBody psb = new SoftBody(worldInfo, maxIndex, vertices, null);
BitArray chks = new BitArray(maxIndex * maxIndex);
for (int i = 0; i < numTriangleIndices; i += 3)
{
int[] idx = new int[] { triangles[i], triangles[i + 1], triangles[i + 2] };
for (int j = 2, k = 0; k < 3; j = k++)
{
int chkIndex = maxIndex * idx[k] + idx[j];
if (!chks[chkIndex])
{
chks[chkIndex] = true;
chks[maxIndex * idx[j] + idx[k]] = true;
psb.AppendLink(idx[j], idx[k]);
}
}
psb.AppendFace(idx[0], idx[1], idx[2]);
}
if (randomizeConstraints)
{
psb.RandomizeConstraints();
}
return psb;
}
/// <summary>
/// Apply these SoftBody settings to this SoftBody
/// </summary>
/// <param name="softBody"></param>
public void ConfigureSoftBody(SoftBody softBody)
{
softBody.Scale(scale.ToBullet());
BulletSharp.SoftBody.Material pm = softBody.Materials[0];
sBMaterial.SetSBMaterial(pm);
config.SetConfig(softBody.Cfg);
if (allNodeBendingConstraints)
{
for (int i = 0; i < softBody.Nodes.Count - 1; ++i)
{
softBody.GenerateBendingConstraints(1 + i);
}
}
else
{
softBody.GenerateBendingConstraints(bendingConstraintDistance, pm);
}
if (randomizeConstraints)
softBody.RandomizeConstraints();
if (generateClusters)
softBody.GenerateClusters(0);
softBody.SetTotalMass(totalMass, fromFaces);
softBody.SetPose(bvolume, bframe);
}