public void AddConstraint(string name, IPhysicsObject physObj1, IPhysicsObject physObj2,
CreateConstraintCallback callback)
{
ConstraintPair pair = new ConstraintPair();
pair.Name = name;
pair.Callback = callback;
pair.PhysicsObject1 = physObj1;
pair.PhysicsObject2 = physObj2;
constraints.Add(pair);
}
private void ConstructClothParticles(List<Vector3> vertices, List<int> indices)
{
foreach (Vector3 vertex in vertices)
{
MataliObject particle = new MataliObject(null);
particle.Copy(particleTemplate);
particle.Collidable = true;
particle.Interactable = true;
particle.CompoundInitialWorldTransform =
particle.RelativeTransform *
RelativeTransform *
Matrix.CreateTranslation(vertex);
particles.Add(particle);
}
// use a hashmap to make sure that we don't create duplicate constraints between the same
// two vertices
Dictionary<string, bool> constraintTable = new Dictionary<string, bool>();
int id0, id1, s, l;
string key;
float distance;
Vector3 position1 = Vector3.Zero, position2 = Vector3.Zero;
for (int i = 0; i < indices.Count; i += 3)
{
for (int j = 0; j < 3; ++j)
{
id0 = indices[i + j];
id1 = indices[i + (j + 1) % 3];
s = Math.Min(id0, id1);
l = Math.Max(id0, id1);
key = s + "_" + l;
if (!constraintTable.ContainsKey(key))
{
constraintTable.Add(key, true);
ConstraintPair pair = new ConstraintPair();
pair.Name = uniqueName + " Point Cloth Constraint " + key;
pair.PhysicsObject1 = particles[s];
pair.PhysicsObject2 = particles[l];
pair.Callback = delegate(Constraint constraint)
{
constraint.PhysicsObject1.MainWorldTransform.GetPosition(ref position1);
constraint.PhysicsObject2.MainWorldTransform.GetPosition(ref position2);
constraint.SetAnchor1(position1);
constraint.SetAnchor2(position2);
distance = Vector3.Distance(position1, position2);
constraint.Distance = Streachable ? distance : -distance;
constraint.Force = Stiffness;
constraint.EnableBreak = Tearable;
constraint.MinBreakVelocity = MinTearVelocity;
};
constraints.Add(pair);
}
}
}
constraintTable.Clear();
}
private void ConstructClothParticles(List <Vector3> vertices, List <int> indices)
{
foreach (Vector3 vertex in vertices)
{
MataliObject particle = new MataliObject(null);
particle.Copy(particleTemplate);
particle.Collidable = true;
particle.Interactable = true;
particle.CompoundInitialWorldTransform =
particle.RelativeTransform *
RelativeTransform *
Matrix.CreateTranslation(vertex);
particles.Add(particle);
}
// use a hashmap to make sure that we don't create duplicate constraints between the same
// two vertices
Dictionary <string, bool> constraintTable = new Dictionary <string, bool>();
int id0, id1, s, l;
string key;
float distance;
Vector3 position1 = Vector3.Zero, position2 = Vector3.Zero;
for (int i = 0; i < indices.Count; i += 3)
{
for (int j = 0; j < 3; ++j)
{
id0 = indices[i + j];
id1 = indices[i + (j + 1) % 3];
s = Math.Min(id0, id1);
l = Math.Max(id0, id1);
key = s + "_" + l;
if (!constraintTable.ContainsKey(key))
{
constraintTable.Add(key, true);
ConstraintPair pair = new ConstraintPair();
pair.Name = uniqueName + " Point Cloth Constraint " + key;
pair.PhysicsObject1 = particles[s];
pair.PhysicsObject2 = particles[l];
pair.Callback = delegate(Constraint constraint)
{
constraint.PhysicsObject1.MainWorldTransform.GetPosition(ref position1);
constraint.PhysicsObject2.MainWorldTransform.GetPosition(ref position2);
constraint.SetAnchor1(position1);
constraint.SetAnchor2(position2);
distance = Vector3.Distance(position1, position2);
constraint.Distance = Streachable ? distance : -distance;
constraint.Force = Stiffness;
constraint.EnableBreak = Tearable;
constraint.MinBreakVelocity = MinTearVelocity;
};
constraints.Add(pair);
}
}
}
constraintTable.Clear();
}
/// <summary>
/// Creates a constraint between two existing physical objects.
/// </summary>
/// <remarks>
/// The constraints are not actually added at this stage, but in the Update method.
/// </remarks>
/// <param name="name"></param>
/// <param name="physObj1"></param>
/// <param name="physObj2"></param>
/// <param name="callback"></param>
public void CreateConstraint(string name, IPhysicsObject physObj1, IPhysicsObject physObj2,
CreateConstraintCallback callback)
{
ConstraintPair pair = new ConstraintPair();
pair.Name = name;
pair.Callback = callback;
pair.PhysicsObject1 = physObj1;
pair.PhysicsObject2 = physObj2;
constraintsToBeAdded.Add(pair);
}