static FlexExt.Asset.Handle CreateTestClothAsset()
{
Vector4[] particles = { new Vector4(1, 1, 0), new Vector4(0, 1, 0), new Vector4(-1, 1, 0),
new Vector4(1, 0, 0), new Vector4(0, 0, 0), new Vector4(-1, 0, 0),
new Vector4(1, -1, 0), new Vector4(0, -1, 0), new Vector4(-1, -1, 0) };
int[] indices = { 0, 1, 4, 0, 4, 3, 1, 2, 5, 1, 5, 4,
3, 4, 7, 3, 7, 6, 4, 5, 8, 4, 8, 7 };
float stretchStiffness = 1.0f;
float bendStiffness = 1.0f;
float tetherStiffness = 1.0f;
float tetherGive = 1.0f;
float pressure = 0.0f;
return(FlexExt.CreateClothFromMesh(ref particles[0], particles.Length, ref indices[0], indices.Length / 3, stretchStiffness, bendStiffness, tetherStiffness, tetherGive, pressure));
}
void BuildFromMesh()
{
if (m_referenceMesh)
{
Vector3[] vertices = m_referenceMesh.vertices;
int[] triangles = m_referenceMesh.triangles;
if (vertices != null && vertices.Length > 0 && triangles != null && triangles.Length > 0)
{
Tesselation(ref vertices, ref triangles, m_meshTesselation);
int[] uniqueVerts = new int[vertices.Length];
int[] originalToUniqueMap = new int[vertices.Length];
int particleCount = FlexExt.CreateWeldedMeshIndices(ref vertices[0], vertices.Length, ref uniqueVerts[0], ref originalToUniqueMap[0], m_weldingThreshold);
Vector4[] particles = new Vector4[particleCount];
for (int i = 0; i < particleCount; ++i)
{
Vector3 v = vertices[uniqueVerts[i]];
particles[i] = new Vector4(v.x * m_meshLocalScale.x, v.y * m_meshLocalScale.y, v.z * m_meshLocalScale.z, 1.0f);
}
foreach (var i in fixedParticles)
{
if (i < particleCount)
{
particles[i].w = 0.0f;
}
}
int indexCount = triangles.Length;
int[] indices = new int[indexCount];
for (int i = 0; i < indexCount; ++i)
{
indices[i] = originalToUniqueMap[triangles[i]];
}
FlexExt.Asset.Handle assetHandle = FlexExt.CreateClothFromMesh(ref particles[0], particles.Length, ref indices[0], indices.Length / 3, m_stretchStiffness, m_bendStiffness, m_tetherStiffness, m_tetherGive, m_pressure);
if (assetHandle)
{
StoreAsset(assetHandle.asset);
FlexExt.DestroyAsset(assetHandle);
}
}
}
}
public void TestCreateClothFromMesh()
{
Vector4[] particles = { new Vector4(1, 1, 0, 1), new Vector4(0, 1, 0, 1), new Vector4(-1, 1, 0, 1),
new Vector4(1, 0, 0, 1), new Vector4(0, 0, 0, 1), new Vector4(-1, 0, 0, 1),
new Vector4(1, -1, 0, 1), new Vector4(0, -1, 0, 1), new Vector4(-1, -1, 0, 1) };
int[] indices = { 0, 1, 4, 0, 4, 3, 1, 2, 5, 1, 5, 4,
3, 4, 7, 3, 7, 6, 4, 5, 8, 4, 8, 7 };
float stretchStiffness = 1.0f;
float bendStiffness = 1.0f;
float tetherStiffness = 1.0f;
float tetherGive = 1.0f;
float pressure = 0.0f;
FlexExt.Asset.Handle handle = FlexExt.CreateClothFromMesh(ref particles[0], particles.Length, ref indices[0], indices.Length / 3, stretchStiffness, bendStiffness, tetherStiffness, tetherGive, pressure);
if (handle.valid)
{
FlexExt.Asset asset = handle.asset;
Assert.AreEqual(particles.Length, asset.numParticles);
Assert.AreEqual(indices.Length / 3, asset.numTriangles);
FlexExt.DestroyAsset(handle);
}
}
void BuildFromMesh()
{
if (m_referenceMesh)
{
Vector3[] vertices = m_referenceMesh.vertices;
int[] triangles = m_referenceMesh.triangles;
if (vertices != null && vertices.Length > 0 && triangles != null && triangles.Length > 0)
{
for (int i = 0; i < m_meshTesselation; ++i)
{
Vector3[] newVertices = new Vector3[triangles.Length * 4];
int[] newTriangles = new int[triangles.Length * 4];
for (int j = 0; j < triangles.Length / 3; ++j)
{
Vector3 v0 = vertices[triangles[j * 3 + 0]], v1 = vertices[triangles[j * 3 + 1]], v2 = vertices[triangles[j * 3 + 2]];
Vector3 v3 = (v0 + v1) * 0.5f, v4 = (v1 + v2) * 0.5f, v5 = (v2 + v0) * 0.5f;
int i0 = j * 12 + 0, i1 = j * 12 + 1, i2 = j * 12 + 2;
int i3 = j * 12 + 3, i4 = j * 12 + 4, i5 = j * 12 + 5;
int i6 = j * 12 + 6, i7 = j * 12 + 7, i8 = j * 12 + 8;
int i9 = j * 12 + 9, iA = j * 12 + 10, iB = j * 12 + 11;
newTriangles[i0] = i0; newTriangles[i1] = i1; newTriangles[i2] = i2;
newTriangles[i3] = i3; newTriangles[i4] = i4; newTriangles[i5] = i5;
newTriangles[i6] = i6; newTriangles[i7] = i7; newTriangles[i8] = i8;
newTriangles[i9] = i9; newTriangles[iA] = iA; newTriangles[iB] = iB;
newVertices[i0] = v0; newVertices[i1] = v3; newVertices[i2] = v5;
newVertices[i3] = v3; newVertices[i4] = v1; newVertices[i5] = v4;
newVertices[i6] = v5; newVertices[i7] = v4; newVertices[i8] = v2;
newVertices[i9] = v3; newVertices[iA] = v4; newVertices[iB] = v5;
}
vertices = newVertices;
triangles = newTriangles;
}
int[] uniqueVerts = new int[vertices.Length];
int[] originalToUniqueMap = new int[vertices.Length];
int particleCount = FlexExt.CreateWeldedMeshIndices(ref vertices[0], vertices.Length, ref uniqueVerts[0], ref originalToUniqueMap[0], m_weldingThreshold);
Vector4[] particles = new Vector4[particleCount];
for (int i = 0; i < particleCount; ++i)
{
Vector3 v = vertices[uniqueVerts[i]];
particles[i] = new Vector4(v.x * m_meshLocalScale.x, v.y * m_meshLocalScale.y, v.z * m_meshLocalScale.z, 1.0f);
}
foreach (var i in fixedParticles)
{
if (i < particleCount)
{
particles[i].w = 0.0f;
}
}
int indexCount = triangles.Length;
int[] indices = new int[indexCount];
for (int i = 0; i < indexCount; ++i)
{
indices[i] = originalToUniqueMap[triangles[i]];
}
FlexExt.Asset.Handle assetHandle = FlexExt.CreateClothFromMesh(ref particles[0], particles.Length, ref indices[0], indices.Length / 3, m_stretchStiffness, m_bendStiffness, m_tetherStiffness, m_tetherGive, m_pressure);
if (assetHandle)
{
StoreAsset(assetHandle.asset);
FlexExt.DestroyAsset(assetHandle);
}
}
}
}