public void AssignMeshSplitter(int lodLevel, SurfaceGenerator.SurfaceParametrization faceParametrization)
{
MeshSplitter splitter = obj.AddComponent <MeshSplitter>();
splitter.meshGenerator = gen;
splitter.faceParametrization = faceParametrization;
splitter.level = lodLevel;
}
public void GenerateModel()
{
MeshWithCenter[] meshes = MeshSplitter.splitMesh(GetComponent <MeshFilter>().sharedMesh);
GameObject kit = new GameObject(gameObject.name + "_kit", typeof(MeshRenderer), typeof(MeshFilter));
MeshRenderer renderer = GetComponent <MeshRenderer>();
int i = 1;
foreach (MeshWithCenter mesh in meshes)
{
CreateChildObject(mesh, GetComponent <MeshRenderer>(), kit, i++);
}
}
private IEnumerator split()
{
busy = true;
if (childs != null)
{
foreach (GameObject child in childs)
{
MeshSplitter ms = child.GetComponent <MeshSplitter>();
if (ms)
{
ms.restart();
}
}
}
else
{
objectCreatorsThread.Join();
GameObject[] tmp = new GameObject[4];
yield return(null);
for (int i = 0; i < 4; i++)
{
objectCreators[i].CreateObject(name + i, transform.parent);
objectCreators[i].CreateMesh();
yield return(null);
objectCreators[i].AssignMesh();
objectCreators[i].AssignMaterial();
yield return(null);
objectCreators[i].AssignCollider();
objectCreators[i].AssignMeshSplitter(level + 1, childrenFaceParametrizations[i]);
tmp[i] = objectCreators[i].getObject();
yield return(null);
}
childs = tmp;
}
gameObject.SetActive(false);
busy = false;
}
private void disableRecursively()
{
CancelInvoke();
gameObject.SetActive(false);
if (childs != null)
{
foreach (GameObject child in childs)
{
MeshSplitter ms = child.GetComponent <MeshSplitter>();
if (ms)
{
ms.disableRecursively();
}
}
}
}
private void merge()
{
busy = true;
gameObject.SetActive(true);
foreach (GameObject child in childs)
{
MeshSplitter ms = child.GetComponent <MeshSplitter>();
if (ms)
{
ms.disableRecursively();
}
}
busy = false;
}
private static IEnumerable <IDivisibleMesh <TVertex> > Split <TVertex>(
IDivisibleMesh <TVertex> mesh, MeshCombiner <TVertex> combiner)
where TVertex : struct
{
Contracts.Requires.That(mesh != null);
Contracts.Requires.That(combiner != null);
var splitter = new MeshSplitter <TVertex>(mesh, combiner.MaxVerticesPerMesh - combiner.VertexCount);
foreach (var group in mesh.Groups)
{
// empty groups aren't allowed in the mesh so no need to check for them here
// so instead assert that there aren't empty groups
Contracts.Assert.That(group.Triangles >= 1);
Contracts.Assert.That(group.Vertices >= MeshConstants.VerticesPerTriangle);
if (!splitter.TryAdd(group))
{
if (splitter.HasMesh)
{
// the splitter is full so add it to the combiner to finish off the current mesh
var success = combiner.TryAdd(splitter.CreateMesh());
Contracts.Assert.That(success);
yield return(combiner.CreateMesh());
splitter.Reset(group, combiner.MaxVerticesPerMesh);
}
}
}
if (splitter.HasMesh)
{
// if there is any remaining mesh in the splitter add that to the combiner
var success = combiner.TryAdd(splitter.CreateMesh());
Contracts.Assert.That(success);
}
}
private bool CreateRenderData(Node node)
{
var nativeShape = m_tree.GetShape(node.Uuid);
var renderData = nativeShape.getRenderData();
if (renderData == null || !renderData.getShouldRender())
{
return(false);
}
var nativeGeometry = m_tree.GetGeometry(node.Parent.Uuid);
var shape = node.GameObject.GetComponent <AGXUnity.Collide.Shape>();
var toWorld = nativeGeometry.getTransform();
var toLocal = shape.transform.worldToLocalMatrix;
var meshes = new Mesh[] { };
if (renderData.getVertexArray().Count > UInt16.MaxValue)
{
Debug.LogWarning("Render data contains more than " +
UInt16.MaxValue +
" vertices. Splitting it into smaller meshes.");
var splitter = MeshSplitter.Split(renderData.getVertexArray(),
renderData.getIndexArray(),
v => toLocal.MultiplyPoint3x4(toWorld.preMult(v).ToHandedVector3()));
meshes = splitter.Meshes;
for (int i = 0; i < meshes.Length; ++i)
{
meshes[i].name = shape.name + "_Visual_Mesh_" + i.ToString();
}
}
else
{
var mesh = new Mesh();
mesh.name = shape.name + "_Visual_Mesh";
// Assigning and converting vertices.
// Note: RenderData vertices assumed to be given in geometry coordinates.
mesh.SetVertices((from v
in renderData.getVertexArray()
select toLocal.MultiplyPoint3x4(toWorld.preMult(v).ToHandedVector3())).ToList());
// Assigning and converting colors.
mesh.SetColors((from c
in renderData.getColorArray()
select c.ToColor()).ToList());
// Unsure about this one.
mesh.SetUVs(0,
(from uv
in renderData.getTexCoordArray()
select uv.ToVector2()).ToList());
// Converting counter clockwise -> clockwise.
var triangles = new List <int>();
var indexArray = renderData.getIndexArray();
for (int i = 0; i < indexArray.Count; i += 3)
{
triangles.Add(Convert.ToInt32(indexArray[i + 0]));
triangles.Add(Convert.ToInt32(indexArray[i + 2]));
triangles.Add(Convert.ToInt32(indexArray[i + 1]));
}
mesh.SetTriangles(triangles, 0, false);
mesh.RecalculateBounds();
mesh.RecalculateNormals();
mesh.RecalculateTangents();
meshes = new Mesh[] { mesh };
}
var shader = Shader.Find("Standard") ?? Shader.Find("Diffuse");
if (shader == null)
{
Debug.LogError("Unable to find standard shaders.");
}
var renderMaterial = renderData.getRenderMaterial();
var material = new Material(shader);
material.name = shape.name + "_Visual_Material";
if (renderMaterial.hasDiffuseColor())
{
var color = renderMaterial.getDiffuseColor().ToColor();
color.a = 1.0f - renderMaterial.getTransparency();
material.SetVector("_Color", color);
}
if (renderMaterial.hasEmissiveColor())
{
material.SetVector("_EmissionColor", renderMaterial.getEmissiveColor().ToColor());
}
material.SetFloat("_Metallic", 0.3f);
material.SetFloat("_Glossiness", 0.8f);
if (renderMaterial.getTransparency() > 0.0f)
{
material.SetBlendMode(BlendMode.Transparent);
}
material = AddOrReplaceAsset(material, node, AGXUnity.IO.AssetType.Material);
foreach (var mesh in meshes)
{
AddOrReplaceAsset(mesh, node, AGXUnity.IO.AssetType.RenderMesh);
}
var shapeVisual = ShapeVisual.Find(shape);
if (shapeVisual != null)
{
// Verify so that the meshes matches the current configuration?
}
else
{
ShapeVisual.CreateRenderData(shape, meshes, material);
}
return(true);
}
private bool CreateShape(Node node)
{
var nativeGeometry = m_tree.GetGeometry(node.Parent.Uuid);
var nativeShape = m_tree.GetShape(node.Uuid);
var nativeShapeType = (agxCollide.Shape.Type)nativeShape.getType();
if (nativeShapeType == agxCollide.Shape.Type.BOX)
{
node.GameObject.GetOrCreateComponent <AGXUnity.Collide.Box>().HalfExtents = nativeShape.asBox().getHalfExtents().ToVector3();
}
else if (nativeShapeType == agxCollide.Shape.Type.CYLINDER)
{
var cylinder = node.GameObject.GetOrCreateComponent <AGXUnity.Collide.Cylinder>();
cylinder.Radius = Convert.ToSingle(nativeShape.asCylinder().getRadius());
cylinder.Height = Convert.ToSingle(nativeShape.asCylinder().getHeight());
}
else if (nativeShapeType == agxCollide.Shape.Type.CAPSULE)
{
var capsule = node.GameObject.GetOrCreateComponent <AGXUnity.Collide.Capsule>();
capsule.Radius = Convert.ToSingle(nativeShape.asCapsule().getRadius());
capsule.Height = Convert.ToSingle(nativeShape.asCapsule().getHeight());
}
else if (nativeShapeType == agxCollide.Shape.Type.SPHERE)
{
var sphere = node.GameObject.GetOrCreateComponent <AGXUnity.Collide.Sphere>();
sphere.Radius = Convert.ToSingle(nativeShape.asSphere().getRadius());
}
else if (nativeShapeType == agxCollide.Shape.Type.CONVEX ||
nativeShapeType == agxCollide.Shape.Type.TRIMESH ||
nativeShapeType == agxCollide.Shape.Type.HEIGHT_FIELD)
{
var mesh = node.GameObject.GetOrCreateComponent <AGXUnity.Collide.Mesh>();
var collisionData = nativeShape.asMesh().getMeshData();
var nativeToWorld = nativeShape.getTransform();
var meshToLocal = mesh.transform.worldToLocalMatrix;
if (collisionData.getVertices().Count > UInt16.MaxValue)
{
var nativeVertices = collisionData.getVertices();
var nativeIndicies = collisionData.getIndices();
var splitter = MeshSplitter.Split(nativeVertices,
nativeIndicies,
v =>
meshToLocal.MultiplyPoint3x4(nativeToWorld.preMult(v).ToHandedVector3()));
var subMeshes = splitter.Meshes;
for (int i = 0; i < subMeshes.Length; ++i)
{
subMeshes[i].name = "Mesh_" + mesh.name + (i == 0 ? "" : "_Sub_" + i.ToString());
mesh.AddSourceObject(AddOrReplaceAsset(subMeshes[i], node, AGXUnity.IO.AssetType.CollisionMesh));
}
}
else
{
var source = new Mesh();
source.name = "Mesh_" + mesh.name;
source.SetVertices((from v
in collisionData.getVertices()
select meshToLocal.MultiplyPoint3x4(nativeToWorld.preMult(v).ToHandedVector3())).ToList());
// Converting counter clockwise -> clockwise.
var triangles = new List <int>();
var indexArray = collisionData.getIndices();
triangles.Capacity = indexArray.Count;
for (int i = 0; i < indexArray.Count; i += 3)
{
triangles.Add(Convert.ToInt32(indexArray[i + 0]));
triangles.Add(Convert.ToInt32(indexArray[i + 2]));
triangles.Add(Convert.ToInt32(indexArray[i + 1]));
}
source.SetTriangles(triangles, 0, false);
source.RecalculateBounds();
source.RecalculateNormals();
source.RecalculateTangents();
source = AddOrReplaceAsset(source, node, AGXUnity.IO.AssetType.CollisionMesh);
mesh.SetSourceObject(source);
}
}
else
{
Debug.LogWarning("Unsupported shape type: " + nativeShapeType);
return(false);
}
var shape = node.GameObject.GetComponent <AGXUnity.Collide.Shape>();
// Is the geometry enabled?
shape.gameObject.SetActive(nativeGeometry.isEnabled());
if (nativeGeometry.getMaterial() != null)
{
var shapeMaterial = m_tree.GetNode(nativeGeometry.getMaterial().getUuid()).Asset as ShapeMaterial;
if (shapeMaterial == null)
{
Debug.LogWarning("Shape material from geometry: " + nativeGeometry.getName() + " isn't found in UUID database.");
}
shape.Material = shapeMaterial;
}
shape.CollisionsEnabled = nativeGeometry.getEnableCollisions();
// Groups referenced in geometry node.
var groups = node.Parent.GetReferences(Node.NodeType.GroupId);
if (groups.Length > 0)
{
var groupsComponent = shape.gameObject.GetOrCreateComponent <CollisionGroups>();
foreach (var group in groups)
{
if (group.Object is string)
{
groupsComponent.AddGroup(group.Object as string, false);
}
}
}
CreateRenderData(node);
return(true);
}
private bool CreateRenderData(Node node, AGXUnity.Collide.Shape shape)
{
if (shape == null)
{
return(false);
}
var nativeShape = m_tree.GetShape(node.Uuid);
var nativeRenderData = nativeShape.getRenderData();
var shapeVisual = ShapeVisual.Find(shape);
if (nativeRenderData == null || !nativeRenderData.getShouldRender())
{
if (shapeVisual != null)
{
UnityEngine.Object.DestroyImmediate(shapeVisual.gameObject);
EditorUtility.SetDirty(FileInfo.PrefabInstance);
}
return(false);
}
var currentMeshes = shapeVisual == null ?
new Mesh[] {} :
(from proxy in shapeVisual.GetComponentsInChildren <OnSelectionProxy>()
where proxy.Component == shape &&
proxy.GetComponent <MeshFilter>() != null &&
proxy.GetComponent <MeshFilter>().sharedMesh != null
select proxy.GetComponent <MeshFilter>().sharedMesh).ToArray();
var currentMaterials = shapeVisual == null ?
new Material[] { } :
(from proxy in shapeVisual.GetComponentsInChildren <OnSelectionProxy>()
where proxy.Component == shape &&
proxy.GetComponent <MeshRenderer>() != null &&
proxy.GetComponent <MeshRenderer>().sharedMaterial != null
select proxy.GetComponent <MeshRenderer>().sharedMaterial).ToArray();
var nativeGeometry = m_tree.GetGeometry(node.Parent.Uuid);
var toWorld = nativeGeometry.getTransform();
var toLocal = shape.transform.worldToLocalMatrix;
Mesh[] meshes = MeshSplitter.Split(nativeRenderData.getVertexArray(),
nativeRenderData.getIndexArray(),
nativeRenderData.getTexCoordArray(),
v => toLocal.MultiplyPoint3x4(toWorld.preMult(v).ToHandedVector3())).Meshes;
// Initial import with currentMeshes.Length == 0 and shape mesh source
// matches render data - use shape mesh sources instead.
if (shape is AGXUnity.Collide.Mesh &&
currentMeshes.Length == 0 &&
meshes.Length == (shape as AGXUnity.Collide.Mesh).SourceObjects.Length)
{
var shapeMesh = shape as AGXUnity.Collide.Mesh;
var matching = true;
for (int i = 0; matching && i < meshes.Length; ++i)
{
matching = meshes[i].vertexCount == shapeMesh.SourceObjects[i].vertexCount;
if (!matching)
{
continue;
}
var v1 = meshes[i].vertices;
var v2 = shapeMesh.SourceObjects[i].vertices;
for (int j = 0; matching && j < v1.Length; ++j)
{
matching = AGXUnity.Utils.Math.Approximately(v1[j], v2[j], 1.0E-5f);
}
}
if (matching)
{
currentMeshes = new Mesh[meshes.Length];
for (int i = 0; i < meshes.Length; ++i)
{
shapeMesh.SourceObjects[i].SetUVs(0, meshes[i].uv.ToList());
currentMeshes[i] = meshes[i] = shapeMesh.SourceObjects[i];
}
}
}
// No structural changes from previous read visuals.
if (shapeVisual != null &&
currentMeshes.Length == meshes.Length &&
currentMaterials.Length == meshes.Length)
{
for (int i = 0; i < meshes.Length; ++i)
{
// Meshes and materials are already referenced so we don't have to
// assign them again to the ShapeVisuals.
FileInfo.ObjectDb.GetOrCreateAsset(currentMeshes[i],
$"{shape.name}_Visual_Mesh_{i}",
m =>
{
m.Clear();
EditorUtility.CopySerialized(meshes[i], m);
});
RestoreRenderMaterial(currentMaterials[i],
$"{shape.name}_Visual_Material",
nativeRenderData.getRenderMaterial());
EditorUtility.SetDirty(shapeVisual);
}
}
else
{
if (shapeVisual != null)
{
UnityEngine.Object.DestroyImmediate(shapeVisual.gameObject, true);
EditorUtility.SetDirty(FileInfo.PrefabInstance);
shapeVisual = null;
}
var material = RestoreRenderMaterial(currentMaterials.Length > 0 ? currentMaterials[0] : null,
$"{shape.name}_Visual_Material",
nativeRenderData.getRenderMaterial());
for (int i = 0; i < meshes.Length; ++i)
{
meshes[i] = FileInfo.ObjectDb.GetOrCreateAsset(i < currentMeshes.Length ? currentMeshes[i] : null,
$"{shape.name}_Visual_Mesh_{i}",
m =>
{
m.Clear();
EditorUtility.CopySerialized(meshes[i], m);
});
}
ShapeVisual.CreateRenderData(shape, meshes, material);
}
return(true);
}
private bool CreateShape(Node node)
{
var nativeGeometry = m_tree.GetGeometry(node.Parent.Uuid);
var nativeShape = m_tree.GetShape(node.Uuid);
var nativeShapeType = (agxCollide.Shape.Type)nativeShape.getType();
if (nativeShapeType == agxCollide.Shape.Type.BOX)
{
node.GameObject.GetOrCreateComponent <AGXUnity.Collide.Box>().HalfExtents = nativeShape.asBox().getHalfExtents().ToVector3();
}
else if (nativeShapeType == agxCollide.Shape.Type.CYLINDER)
{
var cylinder = node.GameObject.GetOrCreateComponent <AGXUnity.Collide.Cylinder>();
cylinder.Radius = Convert.ToSingle(nativeShape.asCylinder().getRadius());
cylinder.Height = Convert.ToSingle(nativeShape.asCylinder().getHeight());
}
else if (nativeShapeType == agxCollide.Shape.Type.HOLLOW_CYLINDER)
{
var hollowCylinder = node.GameObject.GetOrCreateComponent <AGXUnity.Collide.HollowCylinder>();
hollowCylinder.Thickness = Convert.ToSingle(nativeShape.asHollowCylinder().getThickness());
hollowCylinder.Radius = Convert.ToSingle(nativeShape.asHollowCylinder().getOuterRadius());
hollowCylinder.Height = Convert.ToSingle(nativeShape.asHollowCylinder().getHeight());
}
else if (nativeShapeType == agxCollide.Shape.Type.CONE)
{
var cone = node.GameObject.GetOrCreateComponent <AGXUnity.Collide.Cone>();
cone.BottomRadius = Convert.ToSingle(nativeShape.asCone().getBottomRadius());
cone.TopRadius = Convert.ToSingle(nativeShape.asCone().getTopRadius());
cone.Height = Convert.ToSingle(nativeShape.asCone().getHeight());
}
else if (nativeShapeType == agxCollide.Shape.Type.HOLLOW_CONE)
{
var hollowCone = node.GameObject.GetOrCreateComponent <AGXUnity.Collide.HollowCone>();
hollowCone.Thickness = Convert.ToSingle(nativeShape.asHollowCone().getThickness());
hollowCone.BottomRadius = Convert.ToSingle(nativeShape.asHollowCone().getBottomOuterRadius());
hollowCone.TopRadius = Convert.ToSingle(nativeShape.asHollowCone().getTopOuterRadius());
hollowCone.Height = Convert.ToSingle(nativeShape.asHollowCone().getHeight());
}
else if (nativeShapeType == agxCollide.Shape.Type.CAPSULE)
{
var capsule = node.GameObject.GetOrCreateComponent <AGXUnity.Collide.Capsule>();
capsule.Radius = Convert.ToSingle(nativeShape.asCapsule().getRadius());
capsule.Height = Convert.ToSingle(nativeShape.asCapsule().getHeight());
}
else if (nativeShapeType == agxCollide.Shape.Type.SPHERE)
{
var sphere = node.GameObject.GetOrCreateComponent <AGXUnity.Collide.Sphere>();
sphere.Radius = Convert.ToSingle(nativeShape.asSphere().getRadius());
}
else if (nativeShapeType == agxCollide.Shape.Type.CONVEX ||
nativeShapeType == agxCollide.Shape.Type.TRIMESH ||
nativeShapeType == agxCollide.Shape.Type.HEIGHT_FIELD)
{
var mesh = node.GameObject.GetOrCreateComponent <AGXUnity.Collide.Mesh>();
var collisionData = nativeShape.asMesh().getMeshData();
var nativeToWorld = nativeShape.getTransform();
var meshToLocal = mesh.transform.worldToLocalMatrix;
var sourceObjects = mesh.SourceObjects;
var meshes = MeshSplitter.Split(collisionData.getVertices(),
collisionData.getIndices(),
v => meshToLocal.MultiplyPoint3x4(nativeToWorld.preMult(v).ToHandedVector3()),
UInt16.MaxValue).Meshes;
// Clearing previous sources.
mesh.SetSourceObject(null);
for (int i = 0; i < meshes.Length; ++i)
{
var source = FileInfo.ObjectDb.GetOrCreateAsset(i < sourceObjects.Length ? sourceObjects[i] : null,
$"Mesh_{mesh.name}{(meshes.Length > 1 ? $"_{i}" : "")}",
m =>
{
m.Clear();
EditorUtility.CopySerialized(meshes[i], m);
});
mesh.AddSourceObject(source);
}
}
else
{
Debug.LogWarning("Unsupported shape type: " + nativeShapeType);
return(false);
}
var shape = node.GameObject.GetComponent <AGXUnity.Collide.Shape>();
shape.gameObject.SetActive(nativeGeometry.isEnabled());
shape.IsSensor = nativeGeometry.isSensor();
shape.Material = RestoreShapeMaterial(shape.Material, nativeGeometry.getMaterial());
shape.CollisionsEnabled = nativeGeometry.getEnableCollisions();
// Groups referenced in geometry node.
var groups = node.Parent.GetReferences(Node.NodeType.GroupId);
if (groups.Length > 0)
{
var groupsComponent = shape.gameObject.GetOrCreateComponent <CollisionGroups>();
foreach (var group in groups)
{
if (group.Object is string)
{
groupsComponent.AddGroup(group.Object as string, false);
}
}
}
CreateRenderData(node, shape);
return(true);
}
public UnityEngine.Mesh[] CreateRenderMeshes(Transform transform)
{
// This will convert to left handed and change triangle order.
return(MeshSplitter.Split(Vertices, Indices).Meshes);
}
public void Mitosis(Vector normal, bool staticShape)
{
Plane splitPlane = CreateCutPlane2(normal);
MeshSplitter splitter = new MeshSplitter(this, splitPlane);
splitter.MeshInitialize();
splitter.MeshSplit();
Mesh lowerMesh = splitter.CreateMeshLower();
Mesh upperMesh = splitter.CreateMeshUpper();
MGCell newCell = new MGCell(Simulator.cellPopulation.populationSize, lowerMesh);
if (newCell != null)
{
newCell.cellId = Simulator.cellPopulation.populationSize;
newCell.appliedForces = appliedForces;
newCell.Rcell = Rcell;
newCell.inDivisionMode = false;
newCell.inGrowMode = true;
newCell.isNewBorn = true;
newCell.parent = cellId;
newCell.cyclePeriod = 200;
newCell.cycleTime = 0;
newCell.centre = newCell.ComputeCentreFromMesh();
newCell.nuclei[0].v = newCell.centre;
newCell.spins = spins;
newCell.polarisation = polarisation;
subset = new List <int>();
for (int i = 0; i < newCell.nbOfParticles; i++)
{
newCell.vertices[i].globalForces = new Vector();
newCell.subset.Add(i);
}
Simulator.cellPopulation.AddCell(tissueId, newCell);
}
//Booleans
inDivisionMode = false;
hasDivided = true;
isNewBorn = true;
inGrowMode = true;
cycleTime = 0;
//cyclePeriod = 100;
copy(upperMesh);
nuclei[0].v = ComputeCentreFromMesh();
centre = ComputeCentreFromMesh();
nucleusEdges = new EdgeSet();
for (int i = 0; i < nbOfParticles; i++)
{
Edge edge = new Edge(vertices[i], nuclei[0]);
nucleusEdges.add(edge);
vertices[i].globalForces = new Vector();
targetVertices[i] = vertices[i].Clone().v;
subset.Add(i);
}
if (staticShape)
{
SetEdgeELengths();
newCell.SetEdgeELengths();
}
else
{
if (polarisation == Vector.down)
{
SetElengths(MGModel.modelMeshes[1]);
newCell.SetElengths(MGModel.modelMeshes[1]);
}
else
{
SetElengths(MGModel.modelMeshes[0]);
newCell.SetElengths(MGModel.modelMeshes[0]);
}
}
}
