/// <summary>
/// Initializes debug render object given the source object of the
/// Collide.Mesh component.
/// </summary>
private GameObject InitializeMeshGivenSourceObject(Collide.Mesh mesh)
{
if (mesh.SourceObjects.Length == 0)
{
throw new Exception("Mesh has no source.");
}
GameObject meshData = new GameObject("MeshData");
foreach (var sub in mesh.SourceObjects)
{
GameObject subMesh = new GameObject("SubMeshData");
subMesh.transform.parent = meshData.transform;
subMesh.transform.localPosition = Vector3.zero;
subMesh.transform.localRotation = Quaternion.identity;
MeshRenderer renderer = subMesh.AddComponent <MeshRenderer>();
MeshFilter filter = subMesh.AddComponent <MeshFilter>();
filter.sharedMesh = new UnityEngine.Mesh();
RescaleRenderedMesh(mesh, sub, filter);
}
m_storedLossyScale = mesh.transform.lossyScale;
return(meshData);
}
/// <summary>
/// If no "Node" instance, this method tries to create one
/// given the Collide.Shape component in this game object.
/// </summary>
/// <returns>True if the node was created - otherwise false.</returns>
private bool TryInitialize(Shape shape, DebugRenderManager manager)
{
if (Node != null)
{
return(false);
}
Collide.Mesh mesh = shape as Collide.Mesh;
HeightField heightField = shape as HeightField;
if (mesh != null)
{
Node = InitializeMesh(mesh);
}
else if (heightField != null)
{
Node = InitializeHeightField(heightField);
}
else
{
Node = PrefabLoader.Instantiate <GameObject>(PrefabName);
Node.transform.localScale = GetShape().GetScale();
}
if (Node != null)
{
var renderers = Node.GetComponentsInChildren <Renderer>();
foreach (var renderer in renderers)
{
renderer.sharedMaterial = manager.ShapeRenderMaterial;
}
}
return(Node != null);
}
/// <summary>
/// Use when Collide.Mesh source objects is updated.
/// </summary>
public static void HandleMeshSource(Collide.Mesh mesh)
{
if (!IsActiveForSynchronize)
{
return;
}
Instance.SynchronizeShape(mesh);
}
/// <summary>
/// Callback from Collide.Mesh when a new source has been assigned to
/// the mesh.
/// </summary>
/// <param name="mesh">Mesh shape with updated source object.</param>
/// <param name="source">Source mesh that has been changed.</param>
/// <param name="added">True if source has been added, false if removed.</param>
public static void HandleMeshSource(Collide.Mesh mesh, Mesh source, bool added)
{
var instance = Find(mesh) as ShapeVisualMesh;
if (instance != null)
{
instance.HandleMeshSource(source, added);
}
}
/// <summary>
/// If no "Node" instance, this method tries to create one
/// given the Collide.Shape component in this game object.
/// </summary>
/// <returns>True if the node was created - otherwise false.</returns>
private bool TryInitialize(Shape shape, DebugRenderManager manager)
{
if (Node != null)
{
return(false);
}
Collide.Mesh mesh = shape as Collide.Mesh;
HeightField heightField = shape as HeightField;
Cone cone = shape as Cone;
HollowCone hollowCone = shape as HollowCone;
HollowCylinder hollowCylinder = shape as HollowCylinder;
if (mesh != null)
{
Node = InitializeMesh(mesh);
}
else if (heightField != null)
{
Node = InitializeHeightField(heightField);
}
else if (hollowCone != null)
{
Node = new GameObject(PrefabName);
Node.AddComponent <MeshRenderer>().sharedMaterial = manager.ShapeRenderMaterial;
Node.AddComponent <MeshFilter>().sharedMesh = ShapeVisualHollowCone.GenerateMesh(shape);
}
else if (hollowCylinder != null)
{
Node = new GameObject(PrefabName);
Node.AddComponent <MeshRenderer>().sharedMaterial = manager.ShapeRenderMaterial;
Node.AddComponent <MeshFilter>().sharedMesh = ShapeVisualHollowCylinder.GenerateMesh(shape);
}
else if (cone != null)
{
Node = new GameObject(PrefabName);
Node.AddComponent <MeshRenderer>().sharedMaterial = manager.ShapeRenderMaterial;
Node.AddComponent <MeshFilter>().sharedMesh = ShapeVisualCone.GenerateMesh(shape);
}
else
{
Node = PrefabLoader.Instantiate <GameObject>(PrefabName);
Node.transform.localScale = GetShape().GetScale();
}
if (Node != null)
{
var renderers = Node.GetComponentsInChildren <Renderer>();
foreach (var renderer in renderers)
{
renderer.sharedMaterial = manager.ShapeRenderMaterial;
}
}
return(Node != null);
}
private void RescaleRenderedMesh(Collide.Mesh mesh, UnityEngine.Mesh source, MeshFilter filter)
{
if (source == null)
{
throw new AgXUnity.Exception("Source object is null during rescale.");
}
Vector3[] vertices = filter.sharedMesh.vertices;
if (vertices == null || vertices.Length == 0)
{
vertices = new Vector3[source.vertexCount];
}
int[] triangles = filter.sharedMesh.triangles;
if (triangles == null || triangles.Length == 0)
{
triangles = (int[])source.triangles.Clone();
}
if (vertices.Length != source.vertexCount)
{
throw new AgXUnity.Exception("Shape debug render mesh mismatch.");
}
Matrix4x4 scaledToWorld = mesh.transform.localToWorldMatrix;
Vector3[] sourceVertices = source.vertices;
// Transforms each vertex from local to world given scales, then
// transforms each vertex back to local again - unscaled.
for (int i = 0; i < vertices.Length; ++i)
{
Vector3 worldVertex = scaledToWorld * sourceVertices[i];
vertices[i] = mesh.transform.InverseTransformDirection(worldVertex);
}
filter.sharedMesh.vertices = vertices;
filter.sharedMesh.triangles = triangles;
filter.sharedMesh.RecalculateBounds();
filter.sharedMesh.RecalculateNormals();
}
/// <summary>
/// Initializes and returns a game object if the Collide.Shape type
/// is of type mesh. Fails if the shape type is different from mesh.
/// </summary>
/// <returns>Game object with mesh renderer.</returns>
private GameObject InitializeMesh(Collide.Mesh mesh)
{
return(InitializeMeshGivenSourceObject(mesh));
}