protected override bool PostAnchorGUI(AnchoredJoint2D joint2D, AnchorInfo info, List <Vector2> otherAnchors,
JointHelpers.AnchorBias bias)
{
var hingeJoint2D = joint2D as HingeJoint2D;
if (hingeJoint2D == null)
{
return(false);
}
if (!hingeJoint2D.useLimits)
{
return(false);
}
var showAngle = false;
float angle = 0;
float displayAngle = 0;
float jointAngle;
if (EditorApplication.isPlayingOrWillChangePlaymode || Application.isPlaying)
{
jointAngle = hingeJoint2D.jointAngle;
}
else
{
jointAngle = 0;
}
var startPosition = JointHelpers.GetAnchorPosition(hingeJoint2D, bias);
var mainBodyPosition = GetTargetPosition(hingeJoint2D, JointHelpers.AnchorBias.Main);
var mainBodyAngle = JointHelpers.AngleFromAnchor(startPosition, mainBodyPosition,
JointHelpers.GetTargetRotation(hingeJoint2D, JointHelpers.AnchorBias.Main));
var connectedBodyPosition = GetTargetPosition(hingeJoint2D, JointHelpers.AnchorBias.Connected);
float connectedBodyAngle;
if (hingeJoint2D.connectedBody)
{
connectedBodyAngle = JointHelpers.AngleFromAnchor(startPosition, connectedBodyPosition,
JointHelpers.GetTargetRotation(hingeJoint2D, JointHelpers.AnchorBias.Connected));
}
else
{
connectedBodyAngle = 0;
}
var angleDiff = jointAngle - (connectedBodyAngle - mainBodyAngle);
var liveMainAngle = connectedBodyAngle + angleDiff;
var minMainAngle = liveMainAngle - hingeJoint2D.limits.min;
var maxMainAngle = liveMainAngle - hingeJoint2D.limits.max;
var labelText = "";
float angleOffset = 0;
var settings = SettingsHelper.GetOrCreate <HingeJoint2DSettings>(hingeJoint2D);
if (EditorHelpers.IsWarm(info.GetControlID("lowerMainAngle")))
{
showAngle = true;
angle = minMainAngle;
displayAngle = hingeJoint2D.limits.min;
labelText = "Lower: ";
angleOffset = settings.mainAngleOffset;
}
else if (EditorHelpers.IsWarm(info.GetControlID("upperMainAngle")))
{
showAngle = true;
angle = maxMainAngle;
displayAngle = hingeJoint2D.limits.max;
labelText = "Upper: ";
angleOffset = settings.mainAngleOffset;
}
else if (EditorHelpers.IsWarm(info.GetControlID("lowerConnectedAngle")))
{
showAngle = true;
angle = hingeJoint2D.limits.min;
displayAngle = angle;
labelText = "Lower: ";
startPosition = JointHelpers.GetConnectedAnchorPosition(hingeJoint2D);
angleOffset = settings.connectedAngleOffset;
}
else if (EditorHelpers.IsWarm(info.GetControlID("upperConnectedAngle")))
{
showAngle = true;
angle = hingeJoint2D.limits.max;
labelText = "Upper: ";
displayAngle = angle;
startPosition = JointHelpers.GetConnectedAnchorPosition(hingeJoint2D);
angleOffset = settings.connectedAngleOffset;
}
LimitContext(hingeJoint2D, info.GetControlID("lowerMainAngle"), Limit.Min);
LimitContext(hingeJoint2D, info.GetControlID("upperMainAngle"), Limit.Max);
LimitContext(hingeJoint2D, info.GetControlID("lowerConnectedAngle"), Limit.Min);
LimitContext(hingeJoint2D, info.GetControlID("upperConnectedAngle"), Limit.Max);
if (showAngle)
{
var distanceFromCenter = GetAngleSliderRadius(startPosition);
var anglePosition = startPosition + Helpers2D.GetDirection(angle + angleOffset) * distanceFromCenter;
var labelContent = new GUIContent(labelText + "\n" + String.Format("{0:0.00}", displayAngle));
var fontSize = HandleUtility.GetHandleSize(anglePosition) * (1f / 64f);
var labelOffset = fontSize * EditorHelpers.FontWithBackgroundStyle.CalcSize(labelContent).y;
EditorHelpers.OverlayLabel((Vector3)anglePosition + (Camera.current.transform.up * labelOffset),
labelContent,
EditorHelpers.FontWithBackgroundStyle);
}
return(false);
}
private void DrawLinesAndDiscs(HingeJoint2D hingeJoint2D, AnchorInfo anchorInfo, JointHelpers.AnchorBias bias)
{
var center = JointHelpers.GetAnchorPosition(hingeJoint2D, bias);
var scale = editorSettings.anchorScale;
var handleSize = HandleUtility.GetHandleSize(center) * scale;
var mainBodyPosition = GetTargetPosition(hingeJoint2D, JointHelpers.AnchorBias.Main);
var connectedBodyPosition = GetTargetPosition(hingeJoint2D, JointHelpers.AnchorBias.Connected);
var settings = SettingsHelper.GetOrCreate <HingeJoint2DSettings>(hingeJoint2D);
if (bias == JointHelpers.AnchorBias.Main)
{
float angleToMain;
if (Vector2.Distance(mainBodyPosition, center) > AnchorEpsilon)
{
angleToMain = Helpers2D.GetAngle(mainBodyPosition - center);
}
else
{
angleToMain = JointHelpers.GetTargetRotation(hingeJoint2D, JointHelpers.AnchorBias.Main);
}
using (new HandleColor(GetAdjustedColor(editorSettings.anchorsToMainBodyColor)))
{
Handles.DrawLine(center,
center + Helpers2D.GetDirection(angleToMain + settings.mainAngleOffset) * handleSize);
}
}
else if (bias == JointHelpers.AnchorBias.Connected)
{
if (hingeJoint2D.connectedBody)
{
float angleToConnected;
if (Vector2.Distance(connectedBodyPosition, center) > AnchorEpsilon)
{
angleToConnected = Helpers2D.GetAngle(connectedBodyPosition - center);
}
else
{
angleToConnected = JointHelpers.GetTargetRotation(hingeJoint2D, JointHelpers.AnchorBias.Connected);
}
using (new HandleColor(GetAdjustedColor(editorSettings.anchorsToConnectedBodyColor)))
{
Handles.DrawLine(center,
center + Helpers2D.GetDirection(angleToConnected + settings.connectedAngleOffset) * handleSize);
}
}
else
{
using (new HandleColor(GetAdjustedColor(editorSettings.anchorsToConnectedBodyColor)))
{
Handles.DrawLine(center, center + Helpers2D.GetDirection(settings.connectedAngleOffset) * handleSize);
}
}
}
if (settings.showDiscs)
{
var sliderControlID = anchorInfo.GetControlID("slider");
if (editorSettings.ringDisplayMode == JointEditorSettings.RingDisplayMode.Always ||
(editorSettings.ringDisplayMode == JointEditorSettings.RingDisplayMode.Hover &&
//if nothing else is hot and we are being hovered, or the anchor's widgets are hot
((GUIUtility.hotControl == 0 && HandleUtility.nearestControl == sliderControlID) ||
GUIUtility.hotControl == sliderControlID))
)
{
using (new HandleColor(GetAdjustedColor(editorSettings.mainRingColor)))
{
Handles.DrawWireDisc(center, Vector3.forward, Vector2.Distance(center, mainBodyPosition));
}
if (hingeJoint2D.connectedBody)
{
using (new HandleColor((editorSettings.connectedRingColor))) {
Handles.DrawWireDisc(center, Vector3.forward,
Vector2.Distance(center,
connectedBodyPosition));
}
}
}
}
HandleUtility.Repaint();
}
private bool DrawAngleLimits(HingeJoint2D hingeJoint2D, AnchorInfo anchorInfo, JointHelpers.AnchorBias bias)
{
var changed = false;
var settings = SettingsHelper.GetOrCreate <HingeJoint2DSettings>(hingeJoint2D);
if (!settings.showAngleLimits)
{
return(false);
}
if (hingeJoint2D.useLimits)
{
var limits = hingeJoint2D.limits;
var minLimit = limits.min;
var maxLimit = limits.max;
var anchorPriority = settings.anchorPriority;
var showMain = anchorPriority == HingeJoint2DSettings.AnchorPriority.Main ||
anchorPriority == HingeJoint2DSettings.AnchorPriority.Both;
var showConnected = (anchorPriority == HingeJoint2DSettings.AnchorPriority.Connected ||
anchorPriority == HingeJoint2DSettings.AnchorPriority.Both);
var anchorPosition = JointHelpers.GetAnchorPosition(hingeJoint2D, bias);
var distanceFromCenter = GetAngleSliderRadius(anchorPosition);
var angleHandleSize = editorSettings.angleHandleSize;
float jointAngle;
var isPlaying = EditorApplication.isPlayingOrWillChangePlaymode || Application.isPlaying;
if (isPlaying)
{
jointAngle = hingeJoint2D.jointAngle;
}
else
{
jointAngle = 0;
}
var mainBodyPosition = GetTargetPosition(hingeJoint2D, JointHelpers.AnchorBias.Main);
var mainBodyAngle = JointHelpers.AngleFromAnchor(anchorPosition, mainBodyPosition,
JointHelpers.GetTargetRotation(hingeJoint2D, JointHelpers.AnchorBias.Main));
var connectedBodyPosition = GetTargetPosition(hingeJoint2D, JointHelpers.AnchorBias.Connected);
float connectedBodyAngle;
if (hingeJoint2D.connectedBody)
{
connectedBodyAngle = JointHelpers.AngleFromAnchor(anchorPosition, connectedBodyPosition,
JointHelpers.GetTargetRotation(hingeJoint2D, JointHelpers.AnchorBias.Connected));
}
else
{
connectedBodyAngle = 0;
}
var angleDiff = jointAngle - (connectedBodyAngle - mainBodyAngle);
var liveMainAngle = connectedBodyAngle + angleDiff;
var minMainAngle = liveMainAngle - minLimit;
var maxMainAngle = liveMainAngle - maxLimit;
var limitDifference = maxLimit - minLimit;
Color limitColor, limitAreaColor;
if (!isPlaying
&&
((minLimit < jointAngle && maxLimit < jointAngle) || (minLimit > jointAngle && maxLimit > jointAngle)))
{
limitColor = editorSettings.incorrectLimitsColor;
limitAreaColor = editorSettings.incorrectLimitsArea;
}
else
{
limitColor = editorSettings.correctLimitsColor;
limitAreaColor = editorSettings.limitsAreaColor;
}
var angleWidgetColor = editorSettings.angleWidgetColor;
var activeAngleColor = editorSettings.activeAngleColor;
var hoverAngleColor = editorSettings.hoverAngleColor;
if (isCreatedByTarget)
{
angleWidgetColor.a *= editorSettings.connectedJointTransparency;
activeAngleColor.a *= editorSettings.connectedJointTransparency;
hoverAngleColor.a *= editorSettings.connectedJointTransparency;
limitColor.a *= editorSettings.connectedJointTransparency;
limitAreaColor.a *= editorSettings.connectedJointTransparency;
}
if (showMain && bias != JointHelpers.AnchorBias.Connected) //main or 'both'
{
changed = HandleMainLimits(hingeJoint2D, anchorInfo, limitAreaColor, limitDifference, anchorPosition, distanceFromCenter, maxMainAngle, settings, limitColor, minMainAngle, angleWidgetColor, activeAngleColor, hoverAngleColor, angleHandleSize, limits, liveMainAngle);
}
if (showConnected && bias != JointHelpers.AnchorBias.Main) //connected or both?
{
changed = HandleConnectedLimits(hingeJoint2D, anchorInfo, mainBodyAngle, angleDiff, minLimit, maxLimit, limitAreaColor, limitDifference, anchorPosition, distanceFromCenter, settings, limitColor, angleWidgetColor, activeAngleColor, hoverAngleColor, angleHandleSize, limits, changed);
}
}
return(changed);
}