private static void DrawDistanceJoint(DistanceJoint joint)
{
Vector3 anchorA = GetAnchor(joint, JointBody.Target);
Vector3 anchorB = GetAnchor(joint, JointBody.Anchor);
Gizmos.Color = Color.White;
Gizmos.DrawSphere(anchorA, 0.05f);
Gizmos.DrawSphere(anchorB, 0.05f);
Gizmos.Color = Color.Red;
Vector3 diff = anchorB - anchorA;
float length = diff.Length;
Vector3 normal = diff.Normalized;
float min = 0.0f;
float max = length;
if (joint.EnableMinDistanceLimit)
{
min = MathEx.Max(0.0f, joint.MinDistance);
if (joint.EnableMaxDistanceLimit)
min = MathEx.Min(min, MathEx.Min(10000.0f, joint.MaxDistance));
Gizmos.DrawLine(anchorA, anchorA + normal * min);
}
if (joint.EnableMaxDistanceLimit)
{
max = MathEx.Min(10000.0f, joint.MaxDistance);
if (joint.EnableMinDistanceLimit)
max = MathEx.Max(max, min);
if (length > max)
Gizmos.DrawLine(anchorA + normal * max, anchorA + normal * length);
}
Gizmos.Color = Color.Green;
Gizmos.DrawLine(anchorA + normal * min, anchorA + normal * MathEx.Min(max, length));
}
/// <summary>
/// Creates GUI elements for fields specific to the distance joint.
/// </summary>
protected void BuildGUI(DistanceJoint joint)
{
enableMinLimitField.OnChanged += x =>
{
joint.EnableMinDistanceLimit = x;
MarkAsModified();
ConfirmModify();
minLimitField.Active = x;
};
minLimitField.OnChanged += x => { joint.MinDistance = x; MarkAsModified(); };
minLimitField.OnFocusLost += ConfirmModify;
minLimitField.OnConfirmed += ConfirmModify;
enableMaxLimitField.OnChanged += x =>
{
joint.EnableMaxDistanceLimit = x;
MarkAsModified();
ConfirmModify();
maxLimitField.Active = x;
};
maxLimitField.OnChanged += x => { joint.MaxDistance = x; MarkAsModified(); };
maxLimitField.OnFocusLost += ConfirmModify;
maxLimitField.OnConfirmed += ConfirmModify;
toleranceField.OnChanged += x => { joint.Tolerance = x; MarkAsModified(); };
toleranceField.OnFocusLost += ConfirmModify;
toleranceField.OnConfirmed += ConfirmModify;
enableSpringField.OnChanged += x =>
{
joint.EnableSpring = x;
MarkAsModified();
ConfirmModify();
springLayout.Active = x;
};
Layout.AddElement(enableMinLimitField);
GUILayoutX minLimitLayout = Layout.AddLayoutX();
{
minLimitLayout.AddSpace(10);
minLimitLayout.AddElement(minLimitField);
}
Layout.AddElement(enableMaxLimitField);
GUILayoutX maxLimitLayout = Layout.AddLayoutX();
{
maxLimitLayout.AddSpace(10);
maxLimitLayout.AddElement(maxLimitField);
}
Layout.AddElement(toleranceField);
Layout.AddElement(enableSpringField);
springLayout = Layout.AddLayoutX();
{
springLayout.AddSpace(10);
springGUI = new SpringGUI(joint.Spring, springLayout);
springGUI.OnChanged += x => { joint.Spring = x; MarkAsModified(); };
springGUI.OnConfirmed += ConfirmModify;
}
minLimitField.Active = joint.EnableMinDistanceLimit;
maxLimitField.Active = joint.EnableMaxDistanceLimit;
springLayout.Active = joint.EnableSpring;
base.BuildGUI(joint, true);
}
/// <summary>
/// Updates all GUI elements from current values in the joint.
/// </summary>
/// <param name="joint">Joint to update the GUI from.</param>
protected void Refresh(DistanceJoint joint)
{
if (enableMinLimitField.Value != joint.EnableMinDistanceLimit)
{
enableMinLimitField.Value = joint.EnableMinDistanceLimit;
minLimitField.Active = joint.EnableMinDistanceLimit;
}
minLimitField.Value = joint.MinDistance;
if (enableMaxLimitField.Value != joint.EnableMaxDistanceLimit)
{
enableMaxLimitField.Value = joint.EnableMaxDistanceLimit;
maxLimitField.Active = joint.EnableMaxDistanceLimit;
}
maxLimitField.Value = joint.MaxDistance;
toleranceField.Value = joint.Tolerance;
if (enableSpringField.Value != joint.EnableSpring)
{
enableSpringField.Value = joint.EnableSpring;
springLayout.Active = joint.EnableSpring;
}
springGUI.Spring = joint.Spring;
base.Refresh(joint);
}