void OnEnable()
{
// Setup the SerializedProperties.
IkTarget = serializedObject.FindProperty("Target");
ShowAngleLimits = serializedObject.FindProperty("ShowAngleLimits");
ChainLength = serializedObject.FindProperty("chainLength");
_boneIk = (BoneIK)target;
_bone = _boneIk.GetComponent <Bone>();
}
public static void DrawBoneIKGizmo(BoneIK scr, GizmoType gizmoType)
{
if (scr.Target != null && scr.ShowAngleLimits && (Selection.activeGameObject == scr.gameObject || Selection.activeGameObject == scr.Target.gameObject))
{
var nodes = scr.GetComponentsInParent <Bone>().ToList();
nodes.Add(scr.GetComponent <Bone>());
foreach (var node1 in nodes)
{
if (node1.transform == null)
{
continue;
}
Transform nodetransform = node1.transform;
Vector3 position = nodetransform.position;
float handleSize = HandleUtility.GetHandleSize(position) / 2f;
float discSize = handleSize * 0.5f;
float parentRotation = nodetransform.parent != null && nodetransform.parent.GetComponent <Bone>() != null ? nodetransform.parent.eulerAngles.z : 0;
bool throwZero = node1.Limit.x > node1.Limit.y;
var minAngle = throwZero ? node1.Limit.x - 360f : node1.Limit.x;
var maxAngle = node1.Limit.y;
Vector3 min = Quaternion.Euler(0, 0, minAngle + parentRotation) * node1._head.normalized;
Vector3 max = Quaternion.Euler(0, 0, maxAngle + parentRotation) * node1._head.normalized;
Handles.color = new Color(0, 1, 0, 0.1f);
Handles.DrawWireDisc(position, Vector3.back, discSize);
Handles.DrawSolidArc(position, Vector3.forward, min, maxAngle - minAngle, discSize);
Handles.color = Color.green;
Handles.DrawLine(position, position + min * discSize);
Handles.DrawLine(position, position + max * discSize);
Handles.DrawLine(position, position + scr.Target.transform.parent.position);
}
}
}
