private void CreateJoint(int id, float mass, Vector2 jointPosition, float[] weights)
{
var gJoint = new GameObject("Joint" + (id + 1));
gJoint.transform.parent = thisTransform;
gJoint.layer = JointsLayer;
var joint = gJoint.AddComponent <SpringJoint2D>();
Rigidbody2D rigidBody = joint.GetComponent <Rigidbody2D>();
rigidBody.gravityScale = 0;
var jointRigidBody = joint.GetComponent <Rigidbody2D>();
#if UNITY_5_3_OR_NEWER
if (AutoMass)
{
jointRigidBody.useAutoMass = true;
}
else
{
jointRigidBody.mass = mass;
}
#else
jointRigidBody.mass = mass;
#endif
jointRigidBody.drag = LinearDrag;
jointRigidBody.angularDrag = AngularDrag;
#if UNITY_5_3_OR_NEWER || UNITY_5_2 || UNITY_5_1
jointRigidBody.constraints = RigidbodyConstraints2D.FreezeRotation;
#else
jointRigidBody.fixedAngle = true;
#endif
#if UNITY_5_3_OR_NEWER
joint.autoConfigureConnectedAnchor = false;
joint.autoConfigureDistance = false;
#endif
joint.connectedBody = thisRigidbody;
joint.distance = Distance;
joint.frequency = Frequency;
joint.dampingRatio = DampingRation;
var circleCollider = gJoint.AddComponent <CircleCollider2D>();
circleCollider.radius = JointRadius;
circleCollider.sharedMaterial = JointsPhysicMaterial;
gJoint.transform.localPosition = jointPosition;
joint.connectedAnchor = jointPosition;
jointsStartLocalPositions.Add(jointPosition);
var mJoint = new mJoint
{
Collider = circleCollider,
Joint = joint,
GameObject = gJoint,
Rigidbody2D = jointRigidBody,
Transform = gJoint.transform,
Weights = weights
};
Joints.Add(mJoint);
}
private void Initialize()
{
if (!isCached)
{
CacheObjects();
}
canUpdate = false;
DestroyJoints();
jointsStartLocalPositions.Clear();
var size = thisRenderer.bounds.size;
jointCountSqrt = (int)Mathf.Sqrt(JointCount);
jointSize = ((size.x > size.y) ? size.x : size.y) / jointCountSqrt / 2f;
var massOfJoint = Mass / JointCount;
var mass = (massOfJoint > MinimalMass) ? massOfJoint : MinimalMass;
for (int i = 0; i < JointCount; i++)
{
var gJoint = new GameObject("Joint" + (i + 1));
gJoint.transform.parent = thisTransform;
gJoint.transform.localPosition = Vector3.zero;
var joint = gJoint.AddComponent <SpringJoint2D>();
var jointRigidBody = joint.GetComponent <Rigidbody2D>();
jointRigidBody.mass = mass;
jointRigidBody.drag = LinearDrag;
jointRigidBody.angularDrag = AngularDrag;
#if UNITY_5_3_OR_NEWER || UNITY_5_2 || UNITY_5_1
jointRigidBody.constraints = RigidbodyConstraints2D.FreezeRotation;
#else
jointRigidBody.fixedAngle = true;
#endif
#if UNITY_5_3_OR_NEWER
joint.autoConfigureConnectedAnchor = false;
joint.autoConfigureDistance = false;
#endif
joint.connectedBody = thisRigidbody;
joint.distance = Distance;
joint.frequency = Frequency;
joint.dampingRatio = DampingRation;
var circleCollider = gJoint.AddComponent <CircleCollider2D>();
circleCollider.radius = jointSize;
var mJoint = new mJoint
{
Collider = circleCollider,
Joint = joint,
GameObject = gJoint,
Rigidbody2D = jointRigidBody,
Transform = gJoint.transform
};
Joints.Add(mJoint);
var x = (i % jointCountSqrt) * 2 - (jointCountSqrt - 1);
var y = (i / jointCountSqrt) * 2 - (jointCountSqrt - 1);
joint.connectedAnchor = new Vector2(x * jointSize / 2, y * jointSize / 2) * Mathf.Sqrt(2f);
jointsStartLocalPositions.Add(joint.connectedAnchor);
}
for (int i = 0; i < Joints.Count - 1; i++)
{
for (int j = i + 1; j < Joints.Count; j++)
{
if (Joints[i] != null && Joints[j] != null)
{
Physics2D.IgnoreCollision(Joints[i].Collider, Joints[j].Collider);
}
}
}
canUpdate = true;
if (OnInitializeCompleted != null)
{
OnInitializeCompleted();
}
}
