public static void UnregisterSolver(ObiSolver solver)
{
if (solver != null)
{
solvers.Remove(solver);
}
}
public override void LoadBlueprint(ObiSolver solver)
{
// Grab a copy of the serialized topology reference. This happens when duplicating a cloth.
if (topology != null && topology.ContainsData)
{
topology = new HalfEdgeMesh(topology);
}
// Or a copy of the shared topology, if there is no valid reference to a topology.
else if (m_TearableClothBlueprint != null && m_TearableClothBlueprint.Topology != null)
{
topology = new HalfEdgeMesh(m_TearableClothBlueprint.Topology);
}
//Copy tear resistance array:
tearResistance = new float[m_TearableClothBlueprint.tearResistance.Length];
for (int i = 0; i < tearResistance.Length; ++i)
{
tearResistance[i] = m_TearableClothBlueprint.tearResistance[i];
}
//Copy deformable triangles array:
deformableTriangles = new int[m_TearableClothBlueprint.deformableTriangles.Length];
for (int i = 0; i < deformableTriangles.Length; ++i)
{
deformableTriangles[i] = m_TearableClothBlueprint.deformableTriangles[i];
}
base.LoadBlueprint(solver);
SetupRuntimeConstraints();
}
public void OnEnable()
{
solver = (ObiSolver)target;
backend = serializedObject.FindProperty("m_Backend");
simulateWhenInvisible = serializedObject.FindProperty("simulateWhenInvisible");
parameters = serializedObject.FindProperty("parameters");
worldLinearInertiaScale = serializedObject.FindProperty("worldLinearInertiaScale");
worldAngularInertiaScale = serializedObject.FindProperty("worldAngularInertiaScale");
distanceConstraintParameters = serializedObject.FindProperty("distanceConstraintParameters");
bendingConstraintParameters = serializedObject.FindProperty("bendingConstraintParameters");
particleCollisionConstraintParameters = serializedObject.FindProperty("particleCollisionConstraintParameters");
particleFrictionConstraintParameters = serializedObject.FindProperty("particleFrictionConstraintParameters");
collisionConstraintParameters = serializedObject.FindProperty("collisionConstraintParameters");
frictionConstraintParameters = serializedObject.FindProperty("frictionConstraintParameters");
skinConstraintParameters = serializedObject.FindProperty("skinConstraintParameters");
volumeConstraintParameters = serializedObject.FindProperty("volumeConstraintParameters");
shapeMatchingConstraintParameters = serializedObject.FindProperty("shapeMatchingConstraintParameters");
tetherConstraintParameters = serializedObject.FindProperty("tetherConstraintParameters");
pinConstraintParameters = serializedObject.FindProperty("pinConstraintParameters");
stitchConstraintParameters = serializedObject.FindProperty("stitchConstraintParameters");
densityConstraintParameters = serializedObject.FindProperty("densityConstraintParameters");
stretchShearConstraintParameters = serializedObject.FindProperty("stretchShearConstraintParameters");
bendTwistConstraintParameters = serializedObject.FindProperty("bendTwistConstraintParameters");
chainConstraintParameters = serializedObject.FindProperty("chainConstraintParameters");
}
public override void LoadBlueprint(ObiSolver solver)
{
// create a copy of the blueprint for this cloth:
m_TearableBlueprintInstance = this.blueprint as ObiTearableClothBlueprint;
base.LoadBlueprint(solver);
}
public override void OnInspectorGUI()
{
serializedObject.Update();
/*GUI.enabled = emitter.Initialized;
* EditorGUI.BeginChangeCheck();
* editMode = GUILayout.Toggle(editMode,new GUIContent("Edit particles",EditorGUIUtility.Load("Obi/EditParticles.psd") as Texture2D),"LargeButton");
* if (EditorGUI.EndChangeCheck()){
* SceneView.RepaintAll();
* }
* GUI.enabled = true;*/
EditorGUILayout.HelpBox("Active particles:" + emitter.ActiveParticles, MessageType.Info);
EditorGUI.BeginChangeCheck();
ObiSolver solver = EditorGUILayout.ObjectField("Solver", emitter.Solver, typeof(ObiSolver), true) as ObiSolver;
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(emitter, "Set solver");
emitter.Solver = solver;
}
EditorGUI.BeginChangeCheck();
ObiCollisionMaterial material = EditorGUILayout.ObjectField("Collision Material", emitter.CollisionMaterial, typeof(ObiCollisionMaterial), false) as ObiCollisionMaterial;
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(emitter, "Set collision material");
emitter.CollisionMaterial = material;
}
EditorGUI.BeginChangeCheck();
ObiEmitterMaterial emitterMaterial = EditorGUILayout.ObjectField(new GUIContent("Emitter Material", "Emitter material used. This controls the behavior of the emitted particles."),
emitter.EmitterMaterial, typeof(ObiEmitterMaterial), false) as ObiEmitterMaterial;
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(emitter, "Set emitter material");
emitter.EmitterMaterial = emitterMaterial;
}
EditorGUI.BeginChangeCheck();
int numParticles = EditorGUILayout.IntField(new GUIContent("Num particles", "Amount of pooled particles used by this emitter."), emitter.NumParticles);
if (EditorGUI.EndChangeCheck())
{
Undo.RecordObject(emitter, "Set num particles");
emitter.NumParticles = numParticles;
}
Editor.DrawPropertiesExcluding(serializedObject, "m_Script");
// Apply changes to the serializedProperty
if (GUI.changed)
{
emitter.UpdateParticlePhases(); //TODO: only do this when changing material.
serializedObject.ApplyModifiedProperties();
}
}
public override void RemoveFromSolver(ObiSolver solver)
{
if (solver != null && solver.implementation != null)
{
solver.implementation.DestroyConstraintsBatch(m_BatchImpl as IConstraintsBatchImpl);
}
}
void FixedUpdate()
{
ObiSolver solver = picker.solver;
if (solver != null && pickArgs != null)
{
// Calculate picking position in solver space:
Vector4 targetPosition = solver.transform.InverseTransformPoint(pickArgs.worldPosition);
// Calculate effective inverse mass:
float invMass = solver.invMasses[pickArgs.particleIndex];
if (invMass > 0)
{
// Calculate and apply spring force:
Vector4 position = solver.positions[pickArgs.particleIndex];
Vector4 velocity = solver.velocities[pickArgs.particleIndex];
solver.externalForces[pickArgs.particleIndex] = ((targetPosition - position) * springStiffness - velocity * springDamping) / invMass;
if (drawSpring)
{
lineRenderer.positionCount = 2;
lineRenderer.SetPosition(0, targetPosition);
lineRenderer.SetPosition(1, position);
}
else
{
lineRenderer.positionCount = 0;
}
}
}
}
public static void RegisterSolver(ObiSolver solver)
{
if (solver != null)
{
solvers.Add(solver);
}
}
void Solver_OnStepEnd(ObiSolver s)
{
if (solver == null)
{
return;
}
ReallocateParticles();
for (int i = 0; i < alive; ++i)
{
positions[i] = particles[i].position;
}
Oni.InterpolateDiffuseParticles(solver.OniSolver, solver.velocities.GetIntPtr(), positions.GetIntPtr(), velocities.GetIntPtr(), neighbourCount.GetIntPtr(), alive);
for (int i = 0; i < alive; ++i)
{
// kill the particle if it has very few neighbors:
if (neighbourCount[i] < minNeighbors)
{
particles[i].remainingLifetime = 0;
}
particles[i].velocity = velocities[i];
}
ps.SetParticles(particles, alive);
}
static void DrawGizmoForSolver(ObiSolver solver, GizmoType gizmoType)
{
if ((gizmoType & GizmoType.InSelectionHierarchy) != 0)
{
Gizmos.color = new Color(1, 1, 1, 0.5f);
Gizmos.DrawWireCube(solver.Bounds.Center, solver.Bounds.Size);
}
}
protected virtual void OnEnable()
{
// when an actor is enabled, grabs the first solver up its hierarchy,
// initializes it (if not initialized) and gets added to it.
m_Solver = GetComponentInParent <ObiSolver>();
AddToSolver();
}
public ObiSkinConstraintGroup(ObiSolver solver) : base(solver)
{
skinIndices = new int[0];
skinPoints = new Vector3[0];
skinNormals = new Vector3[0];
skinRadiiBackstops = new float[0];
skinStiffnesses = new float[0];
}
public override void LoadBlueprint(ObiSolver solver)
{
base.LoadBlueprint(solver);
SetupRuntimeConstraints();
RecalculateRestShapeMatching();
RecalculateCenterShape();
}
void Actor_solver_OnFrameEnd(object sender, EventArgs e)
{
if (!isActiveAndEnabled || !actor.isActiveAndEnabled || !actor.InSolver)
{
ClearMeshes();
return;
}
CreateMaterialIfNeeded();
ObiSolver solver = actor.Solver;
// If the amount of meshes we need to draw the particles has changed:
if (drawcallCount != meshes.Count)
{
// Re-generate meshes:
ClearMeshes();
for (int i = 0; i < drawcallCount; i++)
{
Mesh mesh = new Mesh();
mesh.name = "Particle imposters";
mesh.hideFlags = HideFlags.HideAndDontSave;
mesh.MarkDynamic();
meshes.Add(mesh);
}
}
//Convert particle data to mesh geometry:
for (int i = 0; i < drawcallCount; i++)
{
// Clear all arrays
vertices.Clear();
normals.Clear();
colors.Clear();
triangles.Clear();
anisotropy1.Clear();
anisotropy2.Clear();
anisotropy3.Clear();
int index = 0;
for (int j = i * particlesPerDrawcall; j < (i + 1) * particlesPerDrawcall; ++j)
{
if (actor.active[j])
{
AddParticle(index,
solver.renderablePositions[actor.particleIndices[j]],
solver.anisotropies[actor.particleIndices[j]],
(actor.colors != null && j < actor.colors.Length) ? actor.colors[j] : Color.white);
index += 4;
}
}
Apply(meshes[i]);
}
DrawParticles();
}
static void DrawGizmoForSolver(ObiSolver solver, GizmoType gizmoType)
{
if ((gizmoType & GizmoType.InSelectionHierarchy) != 0)
{
Gizmos.color = new Color(1, 1, 1, 0.5f);
Bounds wsBounds = solver.simulateInLocalSpace ? solver.Bounds.Transform(solver.transform.localToWorldMatrix) : solver.Bounds;
Gizmos.DrawWireCube(wsBounds.center, wsBounds.size);
}
}
void Solver_OnStepBegin(ObiSolver solver, float stepTime)
{
foreach (ObiActor actor in solver.actors)
{
if (actor != null)
{
ApplyForcesToActor(actor);
}
}
}
public override void LoadBlueprint(ObiSolver solver)
{
base.LoadBlueprint(solver);
// find our offset in the deformable triangles array.
trianglesOffset = Oni.GetDeformableTriangleCount(m_Solver.OniSolver);
// Send deformable triangle indices to the solver:
UpdateDeformableTriangles();
}
public override void UnloadBlueprint(ObiSolver solver)
{
base.UnloadBlueprint(solver);
// delete the blueprint instance:
if (m_RopeBlueprintInstance != null)
{
DestroyImmediate(m_RopeBlueprintInstance);
}
}
public override void AddToSolver(ObiSolver solver)
{
// Create distance constraints batch directly.
m_BatchImpl = solver.implementation.CreateConstraintsBatch(constraintType) as IBendConstraintsBatchImpl;
if (m_BatchImpl != null)
{
m_BatchImpl.SetBendConstraints(particleIndices, restBends, bendingStiffnesses, plasticity, lambdas, m_ActiveConstraintCount);
}
}
public override void AddToSolver(ObiSolver solver)
{
// Create distance constraints batch directly.
m_BatchImpl = solver.implementation.CreateConstraintsBatch(constraintType) as IAerodynamicConstraintsBatchImpl;
if (m_BatchImpl != null)
{
m_BatchImpl.SetAerodynamicConstraints(particleIndices, aerodynamicCoeffs, m_ActiveConstraintCount);
}
}
public override void AddToSolver(ObiSolver solver)
{
// Create distance constraints batch directly.
m_BatchImpl = solver.implementation.CreateConstraintsBatch(constraintType) as IChainConstraintsBatchImpl;
if (m_BatchImpl != null)
{
m_BatchImpl.SetChainConstraints(particleIndices, lengths, firstParticle, numParticles, m_ActiveConstraintCount);
}
}
public override void AddToSolver(ObiSolver solver)
{
// Create distance constraints batch directly.
m_BatchImpl = solver.implementation.CreateConstraintsBatch(constraintType) as IVolumeConstraintsBatchImpl;
if (m_BatchImpl != null)
{
m_BatchImpl.SetVolumeConstraints(particleIndices, firstTriangle, numTriangles, restVolumes, pressureStiffness, lambdas, m_ActiveConstraintCount);
}
}
public override void AddToSolver(ObiSolver solver)
{
// Create distance constraints batch directly.
m_BatchImpl = solver.implementation.CreateConstraintsBatch(constraintType) as ISkinConstraintsBatchImpl;
if (m_BatchImpl != null)
{
m_BatchImpl.SetSkinConstraints(particleIndices, skinPoints, skinNormals, skinRadiiBackstop, skinCompliance, lambdas, m_ActiveConstraintCount);
}
}
protected override void UpdateInactiveVertex(ObiSolver solver, int actorIndex, int meshVertexIndex)
{
var skinnedCloth = (ObiSkinnedCloth)cloth;
clothVertices[meshVertexIndex] = local2Root.MultiplyPoint3x4(skinnedCloth.bakedVertices[meshVertexIndex]);
clothNormals[meshVertexIndex] = local2Root.MultiplyVector(skinnedCloth.bakedNormals[meshVertexIndex]);
Vector3 tangent = local2Root.MultiplyVector(skinnedCloth.bakedTangents[meshVertexIndex]);
clothTangents[meshVertexIndex] = new Vector4(tangent.x, tangent.y, tangent.z, clothTangents[meshVertexIndex].w);
}
public override void AddToSolver(ObiSolver solver)
{
// Create distance constraints batch directly.
m_BatchImpl = solver.implementation.CreateConstraintsBatch(constraintType) as IStretchShearConstraintsBatchImpl;
if (m_BatchImpl != null)
{
m_BatchImpl.SetStretchShearConstraints(particleIndices, orientationIndices, restLengths, restOrientations, stiffnesses, lambdas, m_ActiveConstraintCount);
}
}
static void CreateObiSolverWithColliderGroup()
{
GameObject c = new GameObject("Obi Solver");
Undo.RegisterCreatedObjectUndo(c, "Create Obi Solver");
ObiSolver solver = c.AddComponent <ObiSolver>();
ObiColliderGroup group = c.AddComponent <ObiColliderGroup>();
solver.colliderGroup = group;
}
// Use this for initialization
void Start()
{
solver = GameObject.Find("Solver").GetComponent <Obi.ObiSolver>();
//emitter.Solver = solver;
emitter.Solver = solver;
emitter.enabled = true;
emitter.Awake();
gasParticle.GetComponent <Obi.ParticleAdvector>().solver = solver;
solver.maxParticles += emitter.NumParticles;
}
private static int CompareByRef(ref Oni.Contact a, ref Oni.Contact b, ObiSolver solver)
{
if (a.other == b.other)
{
int hashA = solver.particleToActor[a.particle].actor.GetInstanceID();
int hashB = solver.particleToActor[b.particle].actor.GetInstanceID();
return(hashA.CompareTo(hashB));
}
return(a.other.CompareTo(b.other));
}
public override void AddToSolver(ObiSolver solver)
{
// Create distance constraints batch directly.
m_BatchImpl = solver.implementation.CreateConstraintsBatch(constraintType) as ITetherConstraintsBatchImpl;
if (m_BatchImpl != null)
{
m_BatchImpl.SetTetherConstraints(particleIndices, maxLengthsScales, stiffnesses, lambdas, m_ActiveConstraintCount);
}
}
public ObiVolumeConstraintGroup(ObiSolver solver) : base(solver)
{
volumeTriangleIndices = new int[0];
volumeFirstTriangle = new int[0];
volumeNumTriangles = new int[0];
volumeParticleIndices = new int[0];
volumeFirstParticle = new int[0];
volumeNumParticles = new int[0];
volumeRestVolumes = new float[0];
volumePressureStiffnesses = new Vector2[0];
}
