void BuildFromMesh()
{
if (m_boundaryMesh)
{
Vector3[] vertices = m_boundaryMesh.vertices;
if (vertices != null && vertices.Length > 0)
{
for (int i = 0; i < vertices.Length; ++i)
{
Vector3 v = vertices[i];
vertices[i] = new Vector3(v.x * m_meshLocalScale.x, v.y * m_meshLocalScale.y, v.z * m_meshLocalScale.z);
}
int[] indices = m_boundaryMesh.triangles;
if (indices != null && indices.Length > 0)
{
FlexExt.Asset.Handle assetHandle = FlexExt.CreateSoftFromMesh(ref vertices[0], vertices.Length, ref indices[0], indices.Length, m_particleSpacing, m_volumeSampling, m_surfaceSampling, m_clusterSpacing, m_clusterRadius, m_clusterStiffness, m_linkRadius, m_linkStiffness);
if (assetHandle)
{
StoreAsset(assetHandle.asset);
FlexExt.DestroyAsset(assetHandle);
foreach (var i in fixedParticles)
{
if (i < particles.Length)
{
particles[i].w = 0.0f;
}
}
m_referenceShape = -1;
if (fixedParticles.Length == 0)
{
float minDist2 = float.MaxValue;
Vector3 center = m_boundaryMesh.bounds.center;
//Debug.Log(" center of asset bounds: " + center);
for (int i = 0; i < shapeCenters.Length; ++i)
{
float dist2 = (shapeCenters[i] - center).sqrMagnitude;
if (dist2 < minDist2)
{
minDist2 = dist2;
m_referenceShape = i;
}
}
}
}
}
}
}
}
public void TestCreateSoftFromMesh()
{
Vector3[] vertices = { new Vector3(1, 1, 1), new Vector3(-1, -1, 1), new Vector3(-1, 1, -1), new Vector3(1, -1, -1) };
int[] indices = { 0, 1, 2, 0, 3, 1, 0, 2, 3, 1, 3, 2 };
float particleSpacing = 0.1f;
float volumeSampling = 0.1f;
float surfaceSampling = 0.1f;
float clusterSpacing = 0.1f;
float clusterRadius = 0.3f;
float clusterStiffness = 0.5f;
float linkRadius = 0.2f;
float linkStiffness = 0.5f;
FlexExt.Asset.Handle handle = FlexExt.CreateSoftFromMesh(ref vertices[0], vertices.Length, ref indices[0], indices.Length, particleSpacing, volumeSampling, surfaceSampling, clusterSpacing, clusterRadius, clusterStiffness, linkRadius, linkStiffness);
FlexExt.Asset asset = handle.asset;
Assert.AreEqual(668, asset.numParticles);
Assert.AreEqual(502, asset.numShapes);
Assert.AreEqual(3856, asset.numSprings);
FlexExt.DestroyAsset(handle);
}