/// <summary>
/// Creates GUI elements for fields specific to the slider joint.
/// </summary>
protected void BuildGUI(SliderJoint joint)
{
enableLimitField.OnChanged += x =>
{
joint.EnableLimit = x;
MarkAsModified();
ConfirmModify();
ToggleLimitFields(x);
};
Layout.AddElement(enableLimitField);
limitLayout = Layout.AddLayoutX();
{
limitLayout.AddSpace(10);
GUILayoutY limitContentsLayout = limitLayout.AddLayoutY();
limitGUI = new LimitLinearRangeGUI(joint.Limit, limitContentsLayout, Persistent);
limitGUI.OnChanged += (x, y) =>
{
joint.Limit = new LimitLinearRange(x, y);
MarkAsModified();
};
limitGUI.OnConfirmed += ConfirmModify;
}
ToggleLimitFields(joint.EnableLimit);
base.BuildGUI(joint, true);
}
private static void DrawSliderJoint(SliderJoint joint)
{
Vector3 anchor = GetAnchor(joint, JointBody.Anchor);
Vector3 target = GetAnchor(joint, JointBody.Target);
Vector3 normal = -joint.SceneObject.Right;
if (joint.EnableLimit)
{
LimitLinearRange limit = joint.Limit;
float max = MathEx.Min(10000.0f, limit.Upper);
float min = MathEx.Clamp(limit.Lower, 0.0f, max);
max = MathEx.Max(max, min);
Gizmos.Color = Color.Red;
Gizmos.DrawLine(anchor, anchor + normal*min);
Gizmos.Color = Color.Green;
Gizmos.DrawLine(anchor + normal*min, anchor + normal*max);
}
else
{
Gizmos.Color = Color.Green;
float length = 100.0f;
Gizmos.DrawLine(anchor, anchor + normal * length);
}
Gizmos.Color = Color.Yellow;
Gizmos.DrawSphere(target, 0.05f);
}
/// <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(SliderJoint joint)
{
if (enableLimitField.Value != joint.EnableLimit)
{
enableLimitField.Value = joint.EnableLimit;
ToggleLimitFields(joint.EnableLimit);
}
limitGUI.Limit = joint.Limit;
base.Refresh(joint);
}