public static float RadiusHandle(Quaternion rotation, Vector3 position, float radius, bool renderDisc = true)
{
var isStatic = (!Tools.hidden && EditorApplication.isPlaying && GameObjectUtility.ContainsStatic(Selection.gameObjects));
var prevDisabled = SceneHandles.disabled;
var prevColor = SceneHandles.color;
var forward = rotation * Vector3.forward;
var up = rotation * Vector3.up;
var right = rotation * Vector3.right;
// Radius handle in zenith
bool temp = GUI.changed;
// Radius handles at disc
temp = GUI.changed;
GUI.changed = false;
var isDisabled = isStatic || prevDisabled || Snapping.AxisLocking[1];
SceneHandles.color = SceneHandles.StateColor(prevColor, isDisabled, false);
radius = SizeSlider(position, up, forward, up, right, radius);
radius = SizeSlider(position, -up, forward, up, right, radius);
isDisabled = isStatic || prevDisabled || Snapping.AxisLocking[0];
SceneHandles.color = SceneHandles.StateColor(prevColor, isDisabled, false);
radius = SizeSlider(position, right, forward, up, right, radius);
radius = SizeSlider(position, -right, forward, up, right, radius);
if (GUI.changed)
{
radius = Mathf.Max(0.0f, radius);
}
GUI.changed |= temp;
isDisabled = isStatic || prevDisabled || (Snapping.AxisLocking[0] && Snapping.AxisLocking[1]);
SceneHandles.color = SceneHandles.StateColor(prevColor, isDisabled, false);
// Draw gizmo
if (radius > 0 && renderDisc)
{
SceneHandles.DrawWireDisc(position, forward, radius);
}
SceneHandles.disabled = prevDisabled;
SceneHandles.color = prevColor;
return(radius);
}
public static float Radius2DHandle(Quaternion rotation, Vector3 position, float radius, float minRadius = 0, float maxRadius = float.PositiveInfinity, bool renderDisc = true)
{
minRadius = Mathf.Abs(minRadius);
maxRadius = Mathf.Abs(maxRadius); if (maxRadius < minRadius)
{
maxRadius = minRadius;
}
var isStatic = (!Tools.hidden && EditorApplication.isPlaying && GameObjectUtility.ContainsStatic(Selection.gameObjects));
var prevDisabled = SceneHandles.disabled;
var prevColor = SceneHandles.color;
var forward = rotation * Vector3.forward;
var up = rotation * Vector3.up;
var right = rotation * Vector3.right;
bool temp = GUI.changed;
GUI.changed = false;
var isDisabled = isStatic || prevDisabled || Snapping.AxisLocking[1];
SceneHandles.color = SceneHandles.StateColor(prevColor, isDisabled, false);
radius = Size2DSlider(position, up, forward, up, right, radius);
radius = Size2DSlider(position, -up, forward, up, right, radius);
isDisabled = isStatic || prevDisabled || Snapping.AxisLocking[0];
SceneHandles.color = SceneHandles.StateColor(prevColor, isDisabled, false);
radius = Size2DSlider(position, right, forward, up, right, radius);
radius = Size2DSlider(position, -right, forward, up, right, radius);
radius = Mathf.Max(minRadius, Mathf.Min(Mathf.Abs(radius), maxRadius));
GUI.changed |= temp;
if (radius > 0 && renderDisc)
{
isDisabled = isStatic || prevDisabled || (Snapping.AxisLocking[0] && Snapping.AxisLocking[1]);
SceneHandles.color = SceneHandles.StateColor(prevColor, isDisabled, false);
SceneHandles.DrawWireDisc(position, forward, radius);
SceneHandles.disabled = prevDisabled;
SceneHandles.color = prevColor;
}
return(radius);
}
public static Vector3 RadiusHandle(Vector3 center, Vector3 up, Vector3 radius)
{
var isStatic = (!Tools.hidden && EditorApplication.isPlaying && GameObjectUtility.ContainsStatic(Selection.gameObjects));
var prevDisabled = SceneHandles.disabled;
var prevColor = SceneHandles.color;
var prevChanged = GUI.changed;
var delta1 = radius - center;
var delta2 = Quaternion.AngleAxis(90, up) * delta1;
var position0 = center + delta1;
var position1 = center - delta1;
var position2 = center + delta2;
var position3 = center - delta2;
float size;
Vector3 forward;
Vector3 right;
GeometryUtility.CalculateTangents(up, out right, out forward);
var isDisabled = isStatic || prevDisabled;
SceneHandles.color = SceneHandles.StateColor(prevColor, isDisabled, false);
GUI.changed = false;
size = UnityEditor.HandleUtility.GetHandleSize(position0);
position0 = Slider2DHandle(position0, Vector3.zero, up, forward, right, size * 0.05f, OutlinedDotHandleCap);
if (GUI.changed)
{
radius = position0; prevChanged = true;
}
GUI.changed = false;
size = UnityEditor.HandleUtility.GetHandleSize(position1);
position1 = Slider2DHandle(position1, Vector3.zero, up, forward, right, size * 0.05f, OutlinedDotHandleCap);
if (GUI.changed)
{
radius = center - (position1 - center); prevChanged = true;
}
GUI.changed = false;
size = UnityEditor.HandleUtility.GetHandleSize(position2);
position2 = Slider2DHandle(position2, Vector3.zero, up, forward, right, size * 0.05f, OutlinedDotHandleCap);
if (GUI.changed)
{
radius = center + (Quaternion.AngleAxis(-90, up) * (position2 - center)); prevChanged = true;
}
GUI.changed = false;
size = UnityEditor.HandleUtility.GetHandleSize(position3);
position3 = Slider2DHandle(position3, Vector3.zero, up, forward, right, size * 0.05f, OutlinedDotHandleCap);
if (GUI.changed)
{
radius = center - (Quaternion.AngleAxis(-90, up) * (position3 - center)); prevChanged = true;
}
GUI.changed |= prevChanged;
isDisabled = isStatic || prevDisabled || (Snapping.AxisLocking[0] && Snapping.AxisLocking[1]);
SceneHandles.color = SceneHandles.StateColor(prevColor, isDisabled, false);
float radiusMagnitude = delta1.magnitude;
if (radiusMagnitude > 0)
{
SceneHandles.DrawWireDisc(center, up, radiusMagnitude);
}
SceneHandles.disabled = prevDisabled;
SceneHandles.color = prevColor;
return(radius);
}
public static void RadiusHandle(Vector3 center, Vector3 up, ref Vector3 radius1, ref Vector3 radius2)
{
var isStatic = (!Tools.hidden && EditorApplication.isPlaying && GameObjectUtility.ContainsStatic(Selection.gameObjects));
var prevColor = SceneHandles.color;
var prevMatrix = SceneHandles.matrix;
var prevDisabled = SceneHandles.disabled;
var prevChanged = GUI.changed;
var delta1 = radius1 - center;
var delta2 = radius2 - center;
var position0 = center + delta1;
var position1 = center - delta1;
var position2 = center + delta2;
var position3 = center - delta2;
float size;
Vector3 forward;
Vector3 right;
GeometryUtility.CalculateTangents(up, out right, out forward);
var isDisabled = isStatic || prevDisabled;
SceneHandles.color = SceneHandles.StateColor(prevColor, isDisabled, false);
GUI.changed = false;
size = UnityEditor.HandleUtility.GetHandleSize(position0);
position0 = Slider2DHandle(position0, Vector3.zero, up, forward, right, size * 0.05f, OutlinedDotHandleCap);
if (GUI.changed)
{
radius1 = position0;
radius2 = center + (Quaternion.AngleAxis(-90, up) * ((radius1 - center).normalized * (radius2 - center).magnitude));
prevChanged = true;
}
GUI.changed = false;
size = UnityEditor.HandleUtility.GetHandleSize(position1);
position1 = Slider2DHandle(position1, Vector3.zero, up, forward, right, size * 0.05f, OutlinedDotHandleCap);
if (GUI.changed)
{
radius1 = center - (position1 - center);
radius2 = center + (Quaternion.AngleAxis(-90, up) * ((radius1 - center).normalized * (radius2 - center).magnitude));
prevChanged = true;
}
GUI.changed = false;
size = UnityEditor.HandleUtility.GetHandleSize(position2);
position2 = Slider2DHandle(position2, Vector3.zero, up, forward, right, size * 0.05f, OutlinedDotHandleCap);
if (GUI.changed)
{
radius2 = center + (position2 - center);
radius1 = center + (Quaternion.AngleAxis(-90, up) * ((radius2 - center).normalized * (radius1 - center).magnitude));
prevChanged = true;
}
GUI.changed = false;
size = UnityEditor.HandleUtility.GetHandleSize(position3);
position3 = Slider2DHandle(position3, Vector3.zero, up, forward, right, size * 0.05f, OutlinedDotHandleCap);
if (GUI.changed)
{
radius2 = center - (position3 - center);
radius1 = center + (Quaternion.AngleAxis(-90, up) * ((radius2 - center).normalized * (radius1 - center).magnitude));
prevChanged = true;
}
GUI.changed |= prevChanged;
isDisabled = isStatic || prevDisabled || (Snapping.AxisLocking[0] && Snapping.AxisLocking[1]);
SceneHandles.color = SceneHandles.StateColor(prevColor, isDisabled, false);
float radiusMagnitude1 = delta1.magnitude;
float radiusMagnitude2 = delta2.magnitude;
if (radiusMagnitude1 > 0 && radiusMagnitude2 > 0)
{
var ellipsis = Matrix4x4.TRS(center, Quaternion.identity, Vector3.one);
ellipsis.m00 = delta1.x;
ellipsis.m10 = delta1.y;
ellipsis.m20 = delta1.z;
ellipsis.m01 = delta2.x;
ellipsis.m11 = delta2.y;
ellipsis.m21 = delta2.z;
ellipsis.m02 = up.x;
ellipsis.m12 = up.y;
ellipsis.m22 = up.z;
ellipsis *= Matrix4x4.TRS(-center, Quaternion.identity, Vector3.one);
var newMatrix = prevMatrix * ellipsis;
SceneHandles.matrix = newMatrix;
SceneHandles.DrawWireDisc(center, up, 1.0f);
}
SceneHandles.disabled = prevDisabled;
SceneHandles.matrix = prevMatrix;
SceneHandles.color = prevColor;
}
public static Vector3 Radius2DHandle(Vector3 center, Vector3 up, Vector3 radius, float minRadius = 0, float maxRadius = float.PositiveInfinity, bool renderDisc = true)
{
minRadius = Mathf.Abs(minRadius);
maxRadius = Mathf.Abs(maxRadius); if (maxRadius < minRadius)
{
maxRadius = minRadius;
}
var isStatic = (!Tools.hidden && EditorApplication.isPlaying && GameObjectUtility.ContainsStatic(Selection.gameObjects));
var prevDisabled = SceneHandles.disabled;
var prevColor = SceneHandles.color;
var prevChanged = GUI.changed;
var hasChanged = false;
var plane = new Plane(up, Vector3.zero);
var delta1 = GeometryUtility.ProjectPointPlane(radius - center, plane);
var delta2 = Quaternion.AngleAxis(90, up) * delta1;
var position0 = center + delta1;
var position1 = center - delta1;
var position2 = center + delta2;
var position3 = center - delta2;
float size;
Vector3 forward;
Vector3 right;
GeometryUtility.CalculateTangents(up, out right, out forward);
bool noRotation = Event.current.shift;
var isDisabled = isStatic || prevDisabled;
SceneHandles.color = SceneHandles.StateColor(prevColor, isDisabled, false);
Vector3 moveDelta = Vector3.zero;
GUI.changed = false;
size = UnityEditor.HandleUtility.GetHandleSize(position0);
position0 = Slider2DHandle(position0, Vector3.zero, up, forward, right, size * 0.05f, OutlinedDotHandleCap);
if (GUI.changed)
{
moveDelta = position0 - center; hasChanged = true;
}
GUI.changed = false;
size = UnityEditor.HandleUtility.GetHandleSize(position1);
position1 = Slider2DHandle(position1, Vector3.zero, up, forward, right, size * 0.05f, OutlinedDotHandleCap);
if (GUI.changed)
{
moveDelta = -(position1 - center); hasChanged = true;
}
GUI.changed = false;
size = UnityEditor.HandleUtility.GetHandleSize(position2);
position2 = Slider2DHandle(position2, Vector3.zero, up, forward, right, size * 0.05f, OutlinedDotHandleCap);
if (GUI.changed)
{
moveDelta = (Quaternion.AngleAxis(-90, up) * (position2 - center)); hasChanged = true;
}
GUI.changed = false;
size = UnityEditor.HandleUtility.GetHandleSize(position3);
position3 = Slider2DHandle(position3, Vector3.zero, up, forward, right, size * 0.05f, OutlinedDotHandleCap);
if (GUI.changed)
{
moveDelta = -(Quaternion.AngleAxis(-90, up) * (position3 - center)); hasChanged = true;
}
if (hasChanged)
{
Vector3 prevRadius = radius;
var newRadius = center + moveDelta;
var newDelta = GeometryUtility.ProjectPointPlane((newRadius - center), plane);
var length = newDelta.magnitude;
if (length < minRadius || length > maxRadius)
{
var direction = (length > Vector3.kEpsilon) ? newDelta.normalized : ((delta1.magnitude > Vector3.kEpsilon) ? delta1.normalized : Vector3.up);
length = Mathf.Max(minRadius, Mathf.Min(length, maxRadius));
radius = center + (length * direction);
}
else
{
radius = newRadius;
}
if (noRotation)
{
var magnitude = newRadius.magnitude;
radius = prevRadius.normalized * magnitude;
}
}
GUI.changed |= prevChanged | hasChanged;
isDisabled = isStatic || prevDisabled || (Snapping.AxisLocking[0] && Snapping.AxisLocking[1]);
SceneHandles.color = SceneHandles.StateColor(prevColor, isDisabled, false);
float radiusMagnitude = delta1.magnitude;
if (radiusMagnitude > 0 && renderDisc)
{
SceneHandles.DrawWireDisc(center, up, radiusMagnitude);
}
SceneHandles.disabled = prevDisabled;
SceneHandles.color = prevColor;
return(radius);
}
public static bool Radius2DHandle(Vector3 center, Vector3 up, ref Vector3 radius1, ref Vector3 radius2, float minRadius1 = 0, float minRadius2 = 0, float maxRadius1 = float.PositiveInfinity, float maxRadius2 = float.PositiveInfinity, bool renderDisc = true)
{
var positionId0 = GUIUtility.GetControlID(s_Radius2DHash, FocusType.Keyboard);
var positionId1 = GUIUtility.GetControlID(s_Radius2DHash, FocusType.Keyboard);
var positionId2 = GUIUtility.GetControlID(s_Radius2DHash, FocusType.Keyboard);
var positionId3 = GUIUtility.GetControlID(s_Radius2DHash, FocusType.Keyboard);
minRadius1 = Mathf.Abs(minRadius1);
minRadius2 = Mathf.Abs(minRadius2);
maxRadius1 = Mathf.Abs(maxRadius1); if (maxRadius1 < minRadius1)
{
maxRadius1 = minRadius1;
}
maxRadius2 = Mathf.Abs(maxRadius2); if (maxRadius2 < minRadius2)
{
maxRadius2 = minRadius2;
}
var isStatic = (!Tools.hidden && EditorApplication.isPlaying && GameObjectUtility.ContainsStatic(Selection.gameObjects));
var prevColor = SceneHandles.color;
var prevMatrix = SceneHandles.matrix;
var prevDisabled = SceneHandles.disabled;
var prevChanged = GUI.changed;
float size;
Vector3 forward;
Vector3 right;
GeometryUtility.CalculateTangents(up, out right, out forward);
var plane = new Plane(up, Vector3.zero);
var delta1 = GeometryUtility.ProjectPointPlane(radius1 - center, plane);
var delta2 = GeometryUtility.ProjectPointPlane(radius2 - center, plane);
var delta1Magnitude = delta1.magnitude;
var delta2Magnitude = delta2.magnitude;
var delta1Normalized = (delta1Magnitude < Vector3.kEpsilon) ? Vector3.zero : (delta1 / delta1Magnitude);
var delta2Normalized = (delta2Magnitude < Vector3.kEpsilon) ? Vector3.zero : (delta2 / delta2Magnitude);
// useful to have when modifying the 'other' one
var rotatedDelta1 = Quaternion.AngleAxis(-90, up) * delta1Normalized;
var rotatedDelta2 = Quaternion.AngleAxis(90, up) * delta2Normalized;
var position0 = center + delta1;
var position1 = center - delta1;
var position2 = center + delta2;
var position3 = center - delta2;
var isDisabled = isStatic || prevDisabled;
SceneHandles.color = SceneHandles.StateColor(prevColor, isDisabled, false);
bool noRotation = Event.current.shift;
GUI.changed = false;
size = UnityEditor.HandleUtility.GetHandleSize(position0);
position0 = Slider2DHandle(positionId0, position0, Vector3.zero, up, forward, right, size * 0.05f, OutlinedDotHandleCap);
if (GUI.changed)
{
var moveDelta = (position0 - center);
Vector3 newRadius;
if (noRotation)
{
newRadius = GeometryUtility.ProjectPointRay(center + moveDelta, center, rotatedDelta2);
}
else
{
newRadius = center + moveDelta;
}
var newDelta = GeometryUtility.ProjectPointPlane(newRadius - center, plane);
delta1Magnitude = newDelta.magnitude;
if (!noRotation && delta1Magnitude > Vector3.kEpsilon)
{
radius2 = center + ((Quaternion.AngleAxis(-90, up) * (newDelta / delta1Magnitude)) * delta2Magnitude);
}
// set this after setting radius2 since both may lead to same variable
delta1 = newDelta;
radius1 = newRadius;
prevChanged = true;
}
GUI.changed = false;
size = UnityEditor.HandleUtility.GetHandleSize(position1);
position1 = Slider2DHandle(positionId1, position1, Vector3.zero, up, forward, right, size * 0.05f, OutlinedDotHandleCap);
if (GUI.changed)
{
var moveDelta = (position1 - center);
Vector3 newRadius;
if (noRotation)
{
newRadius = GeometryUtility.ProjectPointRay(center - moveDelta, center, rotatedDelta2);
}
else
{
newRadius = center - moveDelta;
}
var newDelta = GeometryUtility.ProjectPointPlane(newRadius - center, plane);
delta1Magnitude = newDelta.magnitude;
if (!noRotation && delta1Magnitude > Vector3.kEpsilon)
{
radius2 = center + ((Quaternion.AngleAxis(-90, up) * (newDelta / delta1Magnitude)) * delta2Magnitude);
}
// set this after setting radius2 since both may lead to same variable
delta1 = newDelta;
radius1 = newRadius;
prevChanged = true;
}
GUI.changed = false;
size = UnityEditor.HandleUtility.GetHandleSize(position2);
position2 = Slider2DHandle(positionId2, position2, Vector3.zero, up, forward, right, size * 0.05f, OutlinedDotHandleCap);
if (GUI.changed)
{
var moveDelta = (position2 - center);
Vector3 newRadius;
if (noRotation)
{
newRadius = GeometryUtility.ProjectPointRay(center + moveDelta, center, rotatedDelta1);
}
else
{
newRadius = center + moveDelta;
}
var newDelta = GeometryUtility.ProjectPointPlane(newRadius - center, plane);
delta2Magnitude = newDelta.magnitude;
if (!noRotation && delta2Magnitude > Vector3.kEpsilon)
{
radius1 = center + ((Quaternion.AngleAxis(90, up) * (newDelta / delta2Magnitude)) * delta1Magnitude);
}
// set this after setting radius1 since both may lead to same variable
delta2 = newDelta;
radius2 = newRadius;
prevChanged = true;
}
GUI.changed = false;
size = UnityEditor.HandleUtility.GetHandleSize(position3);
position3 = Slider2DHandle(positionId3, position3, Vector3.zero, up, forward, right, size * 0.05f, OutlinedDotHandleCap);
if (GUI.changed)
{
var moveDelta = (position3 - center);
Vector3 newRadius;
if (noRotation)
{
newRadius = GeometryUtility.ProjectPointRay(center - moveDelta, center, rotatedDelta1);
}
else
{
newRadius = center - moveDelta;
}
var newDelta = GeometryUtility.ProjectPointPlane(newRadius - center, plane);
delta2Magnitude = newDelta.magnitude;
if (!noRotation && delta2Magnitude > Vector3.kEpsilon)
{
radius1 = center + ((Quaternion.AngleAxis(90, up) * (newDelta / delta2Magnitude)) * delta1Magnitude);
}
// set this after setting radius1 since both may lead to same variable
delta2 = newDelta;
radius2 = newRadius;
prevChanged = true;
}
GUI.changed |= prevChanged;
if (delta1Magnitude < minRadius1 || delta1Magnitude > maxRadius1)
{
if (delta2Magnitude < minRadius2 || delta2Magnitude > maxRadius2)
{
delta1Magnitude = Mathf.Max(minRadius1, Mathf.Min(delta1Magnitude, maxRadius1));
delta2Magnitude = Mathf.Max(minRadius2, Mathf.Min(delta2Magnitude, maxRadius2));
delta1Normalized = right;
delta2Normalized = up;
delta1 = GeometryUtility.ProjectPointPlane(delta1Normalized * delta1Magnitude, plane);
delta2 = GeometryUtility.ProjectPointPlane(delta2Normalized * delta2Magnitude, plane);
rotatedDelta2 = delta2Normalized;
rotatedDelta1 = delta1Normalized;
radius1 = center + delta1;
radius2 = center + delta2;
GUI.changed = true;
}
else
{
delta1Magnitude = Mathf.Max(minRadius1, Mathf.Min(delta1Magnitude, maxRadius1));
delta1Normalized = rotatedDelta2;
delta1 = GeometryUtility.ProjectPointPlane(delta1Normalized * delta1Magnitude, plane);
radius1 = center + delta1;
GUI.changed = true;
}
}
else
if (delta2Magnitude < minRadius2 || delta2Magnitude > maxRadius2)
{
delta2Magnitude = Mathf.Max(minRadius2, Mathf.Min(delta2Magnitude, maxRadius2));
delta2Normalized = rotatedDelta1;
delta2 = delta2Normalized * delta2Magnitude;
radius2 = center + delta2;
GUI.changed = true;
}
if (Event.current.type == EventType.Repaint)
{
isDisabled = isStatic || prevDisabled || (Snapping.AxisLocking[0] && Snapping.AxisLocking[1]);
SceneHandles.color = SceneHandles.StateColor(prevColor, isDisabled, false);
if (delta1Magnitude > Vector3.kEpsilon && delta2Magnitude > Vector3.kEpsilon)
{
var ellipsis = Matrix4x4.TRS(center, Quaternion.identity, Vector3.one);
ellipsis.m00 = delta1.x;
ellipsis.m10 = delta1.y;
ellipsis.m20 = delta1.z;
ellipsis.m01 = delta2.x;
ellipsis.m11 = delta2.y;
ellipsis.m21 = delta2.z;
ellipsis.m02 = up.x;
ellipsis.m12 = up.y;
ellipsis.m22 = up.z;
ellipsis *= Matrix4x4.TRS(-center, Quaternion.identity, Vector3.one);
var newMatrix = prevMatrix * ellipsis;
SceneHandles.matrix = newMatrix;
if (renderDisc)
{
SceneHandles.DrawWireDisc(center, Vector3.forward, 1.0f);
}
}
else
if (delta1Magnitude > Vector3.kEpsilon)
{
SceneHandles.DrawLine(position0, position1);
}
else
if (delta2Magnitude > Vector3.kEpsilon)
{
SceneHandles.DrawLine(position2, position3);
}
}
SceneHandles.disabled = prevDisabled;
SceneHandles.matrix = prevMatrix;
SceneHandles.color = prevColor;
var focus = SceneHandleUtility.focusControl;
return((focus == positionId0) ||
(focus == positionId1) ||
(focus == positionId2) ||
(focus == positionId3));
}
public static void DrawAngle(UnityEngine.Vector3 center, UnityEngine.Vector3 direction, UnityEngine.Vector3 axis, float angle)
{
var rotation = UnityEngine.Quaternion.AngleAxis(angle, axis);
var centerSize = UnityEditor.HandleUtility.GetHandleSize(center);
var maxSize = direction.magnitude;
var xdir = direction / maxSize;
//var ydir = UnityEngine.Vector3.Cross(xdir, axis);
var handleSize = Mathf.Min(centerSize, maxSize);
var drawAngle = UnityEngine.Mathf.Clamp(angle, -360, 360);
var realLength = Mathf.Max(1, Mathf.CeilToInt((anglePoints.Length / 360.0f) * Mathf.Abs(drawAngle)));
var pointSize = centerSize * 0.04f;
SceneHandles.color = SceneHandles.StateColor(SceneHandles.measureColor);
SceneHandles.DrawAAPolyLine(center + (xdir * pointSize), center + direction);
SceneHandles.DrawAAPolyLine(center + (rotation * (xdir * pointSize)), center + (rotation * direction));
SceneHandles.DrawWireDisc(center, Vector3.forward, pointSize);
direction = xdir * handleSize;
if (UnityEngine.Mathf.Abs(angle) > 0.0f)
{
var angleStep = drawAngle / realLength;
var curAngle = 0.0f;
for (int i = 0; i < realLength; i++)
{
anglePoints[i] = center + (UnityEngine.Quaternion.AngleAxis(curAngle, axis) * direction);
curAngle += angleStep;
}
SceneHandles.DrawDottedLines(anglePoints.Take(realLength).ToArray(), 4.0f);
rotation = UnityEngine.Quaternion.AngleAxis(angle, axis);
var right = rotation * Vector3.right;
var endPoint = center + (rotation * direction);
var arrowSize = handleSize * 0.2f; // UnityEditor.HandleUtility.GetHandleSize(endPoint) * 0.2f;
if (angle < 0.0f)
{
DrawFlatArrow(endPoint, -right, arrowSize);
}
else
{
DrawFlatArrow(endPoint, right, arrowSize);
}
}
Vector3 facing;
Vector3 position;
if (handleSize == maxSize)
{
facing = rotation * xdir;
position = center + (facing * handleSize);
}
else
{
var halfRotation = UnityEngine.Quaternion.AngleAxis(drawAngle / 2.0f, axis);
facing = halfRotation * xdir;
position = center;
}
DrawLabel(position, facing, 5, angle + "°");
}
public static float Radius3DHandle(Quaternion rotation, Vector3 position, float radius, float minRadius = 0, float maxRadius = float.PositiveInfinity)
{
minRadius = Mathf.Abs(minRadius);
maxRadius = Mathf.Abs(maxRadius); if (maxRadius < minRadius)
{
maxRadius = minRadius;
}
const float kEpsilon = 0.000001F;
var camera = Camera.current;
var cameraLocalPos = SceneHandles.inverseMatrix.MultiplyPoint(camera.transform.position);
var cameraLocalForward = SceneHandles.inverseMatrix.MultiplyVector(camera.transform.forward);
var isCameraInsideSphere = (cameraLocalPos - position).magnitude < radius;
var isCameraOrthographic = camera.orthographic;
var isStatic = (!Tools.hidden && EditorApplication.isPlaying && GameObjectUtility.ContainsStatic(Selection.gameObjects));
var prevDisabled = SceneHandles.disabled;
var prevColor = SceneHandles.color;
var forward = rotation * Vector3.forward;
var up = rotation * Vector3.up;
var right = rotation * Vector3.right;
bool guiHasChanged = GUI.changed;
GUI.changed = false;
Vector3 positiveXDir = right;
Vector3 negativeXDir = -right;
Vector3 positiveYDir = up;
Vector3 negativeYDir = -up;
Vector3 positiveZDir = forward;
Vector3 negativeZDir = -forward;
Vector3 positiveXHandle = position + positiveXDir * radius;
Vector3 negativeXHandle = position + negativeXDir * radius;
Vector3 positiveYHandle = position + positiveYDir * radius;
Vector3 negativeYHandle = position + negativeYDir * radius;
Vector3 positiveZHandle = position + positiveZDir * radius;
Vector3 negativeZHandle = position + negativeZDir * radius;
bool positiveXBackfaced = false;
bool negativeXBackfaced = false;
bool positiveYBackfaced = false;
bool negativeYBackfaced = false;
bool positiveZBackfaced = false;
bool negativeZBackfaced = false;
if (!isCameraInsideSphere)
{
float cosV;
cosV = isCameraOrthographic ? Vector3.Dot(positiveXDir, -cameraLocalForward) :
Vector3.Dot(positiveXDir, (cameraLocalPos - positiveXHandle));
positiveXBackfaced = (cosV < -0.0001f);
cosV = isCameraOrthographic ? Vector3.Dot(negativeXDir, -cameraLocalForward) :
Vector3.Dot(negativeXDir, (cameraLocalPos - negativeXHandle));
negativeXBackfaced = (cosV < -0.0001f);
cosV = isCameraOrthographic ? Vector3.Dot(positiveYDir, -cameraLocalForward) :
Vector3.Dot(positiveYDir, (cameraLocalPos - positiveYHandle));
positiveYBackfaced = (cosV < -0.0001f);
cosV = isCameraOrthographic ? Vector3.Dot(negativeYDir, -cameraLocalForward) :
Vector3.Dot(negativeYDir, (cameraLocalPos - negativeYHandle));
negativeYBackfaced = (cosV < -0.0001f);
cosV = isCameraOrthographic ? Vector3.Dot(positiveZDir, -cameraLocalForward) :
Vector3.Dot(positiveZDir, (cameraLocalPos - positiveZHandle));
positiveZBackfaced = (cosV < -0.0001f);
cosV = isCameraOrthographic ? Vector3.Dot(negativeZDir, -cameraLocalForward) :
Vector3.Dot(negativeZDir, (cameraLocalPos - negativeZHandle));
negativeZBackfaced = (cosV < -0.0001f);
}
float positiveXSize = UnityEditor.HandleUtility.GetHandleSize(positiveXHandle) * 0.05f * (positiveXBackfaced ? backfaceSizeMultiplier : 1);
float negativeXSize = UnityEditor.HandleUtility.GetHandleSize(negativeXHandle) * 0.05f * (negativeXBackfaced ? backfaceSizeMultiplier : 1);
float positiveYSize = UnityEditor.HandleUtility.GetHandleSize(positiveYHandle) * 0.05f * (positiveYBackfaced ? backfaceSizeMultiplier : 1);
float negativeYSize = UnityEditor.HandleUtility.GetHandleSize(negativeYHandle) * 0.05f * (negativeYBackfaced ? backfaceSizeMultiplier : 1);
float positiveZSize = UnityEditor.HandleUtility.GetHandleSize(positiveZHandle) * 0.05f * (positiveZBackfaced ? backfaceSizeMultiplier : 1);
float negativeZSize = UnityEditor.HandleUtility.GetHandleSize(negativeZHandle) * 0.05f * (negativeZBackfaced ? backfaceSizeMultiplier : 1);
var isDisabled = isStatic || prevDisabled || Snapping.AxisLocking[0];
var color = SceneHandles.StateColor(prevColor, isDisabled, false);
var backfacedColor = SceneHandles.MultiplyTransparency(color, SceneHandles.backfaceAlphaMultiplier);
GUI.changed = false;
SceneHandles.color = positiveXBackfaced ? backfacedColor : color;
positiveXHandle = Slider2DHandle(positiveXHandle, Vector3.zero, forward, up, right, positiveXSize, OutlinedDotHandleCap);
if (GUI.changed)
{
radius = Vector3.Dot(positiveXHandle - position, positiveXDir); guiHasChanged = true;
}
GUI.changed = false;
SceneHandles.color = negativeXBackfaced ? backfacedColor : color;
negativeXHandle = Slider2DHandle(negativeXHandle, Vector3.zero, forward, up, right, negativeXSize, OutlinedDotHandleCap);
if (GUI.changed)
{
radius = Vector3.Dot(negativeXHandle - position, negativeXDir); guiHasChanged = true;
}
isDisabled = isStatic || prevDisabled || Snapping.AxisLocking[1];
color = SceneHandles.StateColor(prevColor, isDisabled, false);
backfacedColor = SceneHandles.MultiplyTransparency(color, SceneHandles.backfaceAlphaMultiplier);
GUI.changed = false;
SceneHandles.color = positiveYBackfaced ? backfacedColor : color;
positiveYHandle = Slider2DHandle(positiveYHandle, Vector3.zero, forward, up, right, positiveYSize, OutlinedDotHandleCap);
if (GUI.changed)
{
radius = Vector3.Dot(positiveYHandle - position, positiveYDir); guiHasChanged = true;
}
GUI.changed = false;
SceneHandles.color = negativeYBackfaced ? backfacedColor : color;
negativeYHandle = Slider2DHandle(negativeYHandle, Vector3.zero, forward, up, right, negativeYSize, OutlinedDotHandleCap);
if (GUI.changed)
{
radius = Vector3.Dot(negativeYHandle - position, negativeYDir); guiHasChanged = true;
}
isDisabled = isStatic || prevDisabled || Snapping.AxisLocking[2];
color = SceneHandles.StateColor(prevColor, isDisabled, false);
backfacedColor = SceneHandles.MultiplyTransparency(color, SceneHandles.backfaceAlphaMultiplier);
GUI.changed = false;
SceneHandles.color = positiveZBackfaced ? backfacedColor : color;
positiveZHandle = Slider2DHandle(positiveZHandle, Vector3.zero, up, forward, right, positiveZSize, OutlinedDotHandleCap);
if (GUI.changed)
{
radius = Vector3.Dot(positiveZHandle - position, positiveZDir); guiHasChanged = true;
}
GUI.changed = false;
SceneHandles.color = negativeZBackfaced ? backfacedColor : color;
negativeZHandle = Slider2DHandle(negativeZHandle, Vector3.zero, up, forward, right, negativeZSize, OutlinedDotHandleCap);
if (GUI.changed)
{
radius = Vector3.Dot(negativeZHandle - position, negativeZDir); guiHasChanged = true;
}
radius = Mathf.Max(minRadius, Mathf.Min(Mathf.Abs(radius), maxRadius));
GUI.changed |= guiHasChanged;
if (radius > 0)
{
isDisabled = isStatic || prevDisabled || (Snapping.AxisLocking[0] && Snapping.AxisLocking[1]);
color = SceneHandles.StateColor(prevColor, isDisabled, false);
backfacedColor = SceneHandles.MultiplyTransparency(color, SceneHandles.backfaceAlphaMultiplier);
var discOrientations = new Vector3[]
{
rotation *Vector3.right,
rotation *Vector3.up,
rotation *Vector3.forward
};
var currentCamera = Camera.current;
var cameraTransform = currentCamera.transform;
if (currentCamera.orthographic)
{
var planeNormal = cameraTransform.forward;
SceneHandles.DrawWireDisc(position, planeNormal, radius);
planeNormal.Normalize();
for (int i = 0; i < 3; i++)
{
var discOrientation = discOrientations[i];
var discTangent = Vector3.Cross(discOrientation, planeNormal);
// we may have view dir locked to one axis
if (discTangent.sqrMagnitude > kEpsilon)
{
SceneHandles.color = color;
SceneHandles.DrawWireArc(position, discOrientation, discTangent, 180, radius);
SceneHandles.color = backfacedColor;
SceneHandles.DrawWireArc(position, discOrientation, discTangent, -180, radius);
}
}
}
else
{
// Since the geometry is transformed by Handles.matrix during rendering, we transform the camera position
// by the inverse matrix so that the two-shaded wireframe will have the proper orientation.
var invMatrix = SceneHandles.inverseMatrix;
var cameraCenter = cameraTransform.position;
var cameraToCenter = position - invMatrix.MultiplyPoint(cameraCenter); // vector from camera to center
var sqrDistCameraToCenter = cameraToCenter.sqrMagnitude;
var sqrRadius = radius * radius; // squared radius
var sqrOffset = sqrRadius * sqrRadius / sqrDistCameraToCenter; // squared distance from actual center to drawn disc center
var insideAmount = sqrOffset / sqrRadius;
if (insideAmount < 1)
{
if (Mathf.Abs(sqrDistCameraToCenter) < kEpsilon)
{
return(radius);
}
var horizonRadius = Mathf.Sqrt(sqrRadius - sqrOffset);
var horizonCenter = position - sqrRadius * cameraToCenter / sqrDistCameraToCenter;
SceneHandles.color = color;
SceneHandles.DrawWireDisc(horizonCenter, cameraToCenter, horizonRadius);
var planeNormal = cameraToCenter.normalized;
for (int i = 0; i < 3; i++)
{
var discOrientation = discOrientations[i];
var angleBetweenDiscAndNormal = Mathf.Acos(Vector3.Dot(discOrientation, planeNormal));
angleBetweenDiscAndNormal = (Mathf.PI * 0.5f) - Mathf.Min(angleBetweenDiscAndNormal, Mathf.PI - angleBetweenDiscAndNormal);
float f = Mathf.Tan(angleBetweenDiscAndNormal);
float g = Mathf.Sqrt(sqrOffset + f * f * sqrOffset) / radius;
if (g < 1)
{
var angleToHorizon = Mathf.Asin(g) * Mathf.Rad2Deg;
var discTangent = Vector3.Cross(discOrientation, planeNormal);
var vectorToPointOnHorizon = Quaternion.AngleAxis(angleToHorizon, discOrientation) * discTangent;
var horizonArcLength = (90 - angleToHorizon) * 2.0f;
SceneHandles.color = color;
SceneHandles.DrawWireArc(position, discOrientation, vectorToPointOnHorizon, horizonArcLength, radius);
SceneHandles.color = backfacedColor;
SceneHandles.DrawWireArc(position, discOrientation, vectorToPointOnHorizon, horizonArcLength - 360, radius);
}
else
{
SceneHandles.color = backfacedColor;
SceneHandles.DrawWireDisc(position, discOrientation, radius);
}
}
}
else
{
SceneHandles.color = backfacedColor;
for (int i = 0; i < 3; i++)
{
var discOrientation = discOrientations[i];
SceneHandles.DrawWireDisc(position, discOrientation, radius);
}
}
}
}
SceneHandles.disabled = prevDisabled;
SceneHandles.color = prevColor;
return(radius);
}
