void OnSceneGUI()
{
//reference to the class of object used to display gizmo
VRBasics_Hinge hinge = (VRBasics_Hinge)target;
//reference to the hinge joint the gizmo displays
HingeJoint hingeJoint = hinge.GetComponent <HingeJoint> ();
if (hingeJoint.useLimits != hinge.useLimits)
{
hingeJoint.useLimits = hinge.useLimits;
}
if (hingeJoint.limits.min < -179.9f)
{
hinge.limitMin = -179.9f;
//adjust the limits of the hinge
hinge.SetLimits();
}
if (hingeJoint.limits.max < 0.0f)
{
hinge.limitMax = 0.0f;
//adjust the limits of the hinge
hinge.SetLimits();
}
//this checks if the limits of the hinge joint were changed on the hinge joint itself
if (hingeJoint.limits.max != hinge.limitMax || hingeJoint.limits.min != hinge.limitMin)
{
hinge.limitMax = hingeJoint.limits.max;
hinge.limitMin = hingeJoint.limits.min;
//adjust the limits of the hinge
hinge.SetLimits();
}
//in edit mode
if (!Application.isPlaying)
{
//at runtime this is taken care of by the physics engine
//prevent the hinge from moving away from the fulcrum of the lever during edit mode
hinge.transform.localPosition = Vector3.zero;
//prevents the hinge from rotating away from the fulcrum of the parent
hinge.transform.localEulerAngles = Vector3.zero;
}
//reference to the parent class
VRBasics_Lever lever = hinge.transform.parent.gameObject.GetComponent <VRBasics_Lever> ();
//DRAW HINGE
hinge.DrawGizmo();
//DRAW LEVER
lever.DrawGizmo();
}
public void DrawGizmo()
{
//reference to the parent class
VRBasics_Lever lever = transform.parent.gameObject.GetComponent <VRBasics_Lever> ();
//reference to the hinge joint the gizmo displays
HingeJoint hingeJoint = GetComponent <HingeJoint> ();
//reference to the limits of the hinge joint
JointLimits limits = hingeJoint.limits;
//color of gizmo
Handles.color = Color.cyan;
//an empty game object used to aid in positioning
GameObject dummyTrans = GetDummy();
//DRAW HINGE
if (useLimits)
{
//draw an arc representing the movement of the lever
Handles.DrawWireArc(lever.transform.position, lever.transform.right, lever.transform.up, limits.min, lever.length);
Handles.DrawWireArc(lever.transform.position, lever.transform.right, lever.transform.up, limits.max, lever.length);
//draw a empty dot at min end of the arc
dummyTrans.transform.position = lever.transform.position;
dummyTrans.transform.rotation = lever.transform.rotation;
dummyTrans.transform.position += dummyTrans.transform.up * lever.length;
dummyTrans.transform.RotateAround(lever.transform.position, lever.transform.right, limits.min);
Handles.DrawWireDisc(dummyTrans.transform.position, lever.transform.right, 0.015f);
//draw a empty dot at max end of the arc
dummyTrans.transform.position = lever.transform.position;
dummyTrans.transform.rotation = lever.transform.rotation;
dummyTrans.transform.position += dummyTrans.transform.up * lever.length;
dummyTrans.transform.RotateAround(lever.transform.position, lever.transform.right, limits.max);
Handles.DrawWireDisc(dummyTrans.transform.position, lever.transform.right, 0.015f);
}
else
{
//draw an arc representing the movement of the lever
Handles.DrawWireArc(lever.transform.position, lever.transform.right, lever.transform.up, 360, lever.length);
//draw a empty dot at min end of the arc
dummyTrans.transform.position = lever.transform.position;
dummyTrans.transform.rotation = lever.transform.rotation;
dummyTrans.transform.position += dummyTrans.transform.up * lever.length;
dummyTrans.transform.RotateAround(lever.transform.position, lever.transform.right, 0);
Handles.DrawWireDisc(dummyTrans.transform.position, lever.transform.right, 0.015f);
}
//remove the dummy
DestroyImmediate(dummyTrans);
}
void OnSceneGUI()
{
//reference to the class of object used to display gizmo
VRBasics_Lever lever = (VRBasics_Lever)target;
VRBasics_Hinge hinge = lever.hinge.GetComponent <VRBasics_Hinge> ();
//DRAW LEVER
lever.DrawGizmo();
//DRAW HINGE
hinge.DrawGizmo();
}
