static Vector3 DoPlanarHandle(
int id,
int planePrimaryAxis,
Vector3 position,
Vector3 offset,
Quaternion rotation,
float handleSize,
float cameraLerp,
Vector3 viewVectorDrawSpace,
PositionHandleParam.Orientation orientation)
{
var positionOffset = offset;
var axis1index = planePrimaryAxis;
var axis2index = (axis1index + 1) % 3;
var axisNormalIndex = (axis1index + 2) % 3;
Color prevColor = Handles.color;
bool isDisabled = !GUI.enabled;
color = isDisabled ? staticColor : GetColorByAxis(axisNormalIndex);
color = Color.Lerp(color, Color.clear, cameraLerp);
var updateOpacityFillColor = false;
if (GUIUtility.hotControl == id)
{
color = selectedColor;
}
else if (HandleUtility.nearestControl == id && !Event.current.alt)
{
color = preselectionColor;
}
else
{
updateOpacityFillColor = true;
}
color = ToActiveColorSpace(color);
// NOTE: The planar transform handles always face toward the camera so they won't
// obscure each other (unlike the X, Y, and Z axis handles which always face in the
// positive axis directions). Whenever the octant that the camera is in (relative to
// to the transform tool) changes, we need to move the planar transform handle
// positions to the correct octant.
// Comments below assume axis1 is X and axis2 is Z to make it easier to visualize things.
// Shift the planar transform handle in the positive direction by half its
// handleSize so that it doesn't overlap in the center of the transform gizmo,
// and also move the handle origin into the octant that the camera is in.
// Don't update the actant while dragging to avoid too much distraction.
if (!currentlyDragging)
{
switch (orientation)
{
case PositionHandleParam.Orientation.Camera:
// Offset the X position of the handle in negative direction if camera is in the -X octants; otherwise positive.
// Test against -0.01 instead of 0 to give a little bias to the positive quadrants. This looks better in axis views.
s_PlanarHandlesOctant[axis1index] = (viewVectorDrawSpace[axis1index] > 0.01f ? -1 : 1);
// Likewise with the other axis.
s_PlanarHandlesOctant[axis2index] = (viewVectorDrawSpace[axis2index] > 0.01f ? -1 : 1);
break;
case PositionHandleParam.Orientation.Signed:
s_PlanarHandlesOctant[axis1index] = 1;
s_PlanarHandlesOctant[axis2index] = 1;
break;
}
}
Vector3 handleOffset = s_PlanarHandlesOctant;
// Zero out the offset along the normal axis.
handleOffset[axisNormalIndex] = 0;
positionOffset = rotation * Vector3.Scale(positionOffset, handleOffset);
// Rotate and scale the offset
handleOffset = rotation * (handleOffset * handleSize * 0.5f);
// Calculate 3 axes
Vector3 axis1 = Vector3.zero;
Vector3 axis2 = Vector3.zero;
Vector3 axisNormal = Vector3.zero;
axis1[axis1index] = 1;
axis2[axis2index] = 1;
axisNormal[axisNormalIndex] = 1;
axis1 = rotation * axis1;
axis2 = rotation * axis2;
axisNormal = rotation * axisNormal;
// Draw the "filler" color for the handle
verts[0] = position + positionOffset + handleOffset + (axis1 + axis2) * handleSize * 0.5f;
verts[1] = position + positionOffset + handleOffset + (-axis1 + axis2) * handleSize * 0.5f;
verts[2] = position + positionOffset + handleOffset + (-axis1 - axis2) * handleSize * 0.5f;
verts[3] = position + positionOffset + handleOffset + (axis1 - axis2) * handleSize * 0.5f;
Color faceColor = updateOpacityFillColor ? new Color(color.r, color.g, color.b, 0.1f) : color;
faceColor = ToActiveColorSpace(faceColor);
Handles.DrawSolidRectangleWithOutline(verts, faceColor, Color.clear);
// And then render the handle itself (this is the colored outline)
position = Slider2D(id,
position,
handleOffset + positionOffset,
axisNormal,
axis1, axis2,
handleSize * 0.5f,
RectangleHandleCap,
GridSnapping.active ? Vector2.zero : new Vector2(EditorSnapSettings.move[axis1index], EditorSnapSettings.move[axis2index]),
false);
Handles.color = prevColor;
return(position);
}
/// <summary>
/// Calls the methods in its invocation list when show the Inspector
/// </summary>
public override void OnInspectorGUI()
{
var camera = Camera.main;
if (camera == null)
{
Debug.LogError("Light Anchor: At least one camera must be tagged as MainCamera");
return;
}
if (IsCacheInvalid(manipulator))
{
manipulator.SynchronizeOnTransform(camera);
UpdateCache();
}
// anchor is cached for it cannot be changed from the inspector,
// we have a dedicated editor tool to move the anchor
var anchor = manipulator.anchorPosition;
bool yawChanged = false;
bool pitchChanged = false;
bool rollChanged = false;
bool distanceChanged = false;
bool frameChanged = false;
bool upChanged = false;
using (var change = new EditorGUI.ChangeCheckScope())
{
EditorGUILayout.Space();
float widgetHeight = EditorGUIUtility.singleLineHeight * 5f;
float oldValue;
using (new EditorGUILayout.HorizontalScope())
{
Color usedColor;
{
var localRect = EditorGUILayout.GetControlRect(false, widgetHeight);
oldValue = m_Yaw;
usedColor = Color.green;
usedColor.a = 0.2f;
m_Yaw = AngleField(localRect, "Yaw", m_Yaw, 90, usedColor, true);
}
yawChanged = oldValue != m_Yaw;
{
var localRect = EditorGUILayout.GetControlRect(false, widgetHeight);
oldValue = m_Pitch;
usedColor = Color.blue;
usedColor.a = 0.2f;
m_Pitch = AngleField(localRect, "Pitch", m_Pitch, 180, usedColor, true);
}
pitchChanged = oldValue != m_Pitch;
{
var localRect = EditorGUILayout.GetControlRect(false, widgetHeight);
oldValue = m_Roll;
usedColor = Color.grey;
usedColor.a = 0.2f;
bool enabledKnob = true;
m_Roll = AngleField(localRect, "Roll", m_Roll, -90, usedColor, enabledKnob);
}
rollChanged = oldValue != m_Roll;
}
EditorGUILayout.Space();
Rect angleRect = EditorGUILayout.GetControlRect(true, EditorGUI.GetPropertyHeight(SerializedPropertyType.Vector3, EditorGUIUtility.TrTextContent("")));
float[] angles = new float[3] {
m_Yaw, m_Pitch, m_Roll
};
EditorGUI.BeginChangeCheck();
EditorGUI.MultiFloatField(angleRect, LightAnchorStyles.angleSubContent, angles);
const float eps = 1e-4f;
if (EditorGUI.EndChangeCheck())
{
if (Mathf.Abs(angles[0] - m_Yaw) > eps)
{
m_Yaw = angles[0];
yawChanged = true;
}
if (Mathf.Abs(angles[1] - m_Pitch) > eps)
{
m_Pitch = angles[1];
pitchChanged = true;
}
if (Mathf.Abs(angles[2] - m_Roll) > eps)
{
m_Roll = angles[2];
rollChanged = true;
}
}
EditorGUILayout.Space();
oldValue = manipulator.distance;
m_Distance = EditorGUILayout.FloatField(LightAnchorStyles.distanceProperty, manipulator.distance);
distanceChanged = oldValue != m_Distance;
var dropRect = EditorGUILayout.GetControlRect(false, EditorGUIUtility.singleLineHeight);
LightAnchor.UpDirection newSpace = (LightAnchor.UpDirection)EditorGUI.EnumPopup(dropRect, LightAnchorStyles.upDirectionProperty, manipulator.frameSpace);
upChanged = manipulator.frameSpace != newSpace;
manipulator.frameSpace = newSpace;
if (upChanged)
{
manipulator.SynchronizeOnTransform(camera);
UpdateCache();
}
frameChanged = yawChanged || pitchChanged || rollChanged || distanceChanged;
if (m_FoldoutPreset = EditorGUILayout.Foldout(m_FoldoutPreset, "Common"))
{
Color cachedColor = GUI.backgroundColor;
GUI.backgroundColor = LightAnchorStyles.BackgroundIconColor();
var inspectorWidth = EditorGUIUtility.currentViewWidth - LightAnchorStyles.inspectorWidthPadding;
var presetButtonWidth = GUILayout.Width(inspectorWidth / LightAnchorStyles.presetButtonCount);
var presetButtonHeight = GUILayout.Height(inspectorWidth / LightAnchorStyles.presetButtonCount);
using (new EditorGUILayout.HorizontalScope())
{
bool rectFound = false;
Rect rect = new Rect();
if (GUILayout.Button(LightAnchorStyles.presetTextureRimLeft, presetButtonWidth, presetButtonHeight))
{
m_Yaw = 135;
m_Pitch = 0;
yawChanged = true;
pitchChanged = true;
frameChanged = true;
}
if (Mathf.Abs(m_Yaw - 135.0f) < eps && Mathf.Abs(m_Pitch - 0.0f) < eps)
{
rect = GUILayoutUtility.GetLastRect();
rectFound = true;
}
if (GUILayout.Button(LightAnchorStyles.presetTextureKickLeft, presetButtonWidth, presetButtonHeight))
{
m_Yaw = 100;
m_Pitch = 10;
yawChanged = true;
pitchChanged = true;
frameChanged = true;
}
if (Mathf.Abs(m_Yaw - 100.0f) < eps && Mathf.Abs(m_Pitch - 10.0f) < eps)
{
rect = GUILayoutUtility.GetLastRect();
rectFound = true;
}
if (GUILayout.Button(LightAnchorStyles.presetTextureBounceLeft, presetButtonWidth, presetButtonHeight))
{
m_Yaw = 30;
m_Pitch = -30;
yawChanged = true;
pitchChanged = true;
frameChanged = true;
}
if (Mathf.Abs(m_Yaw - 30.0f) < eps && Mathf.Abs(m_Pitch + 30.0f) < eps)
{
rect = GUILayoutUtility.GetLastRect();
rectFound = true;
}
if (GUILayout.Button(LightAnchorStyles.presetTextureFillLeft, presetButtonWidth, presetButtonHeight))
{
m_Yaw = 35;
m_Pitch = 35;
yawChanged = true;
pitchChanged = true;
frameChanged = true;
}
if (Mathf.Abs(m_Yaw - 35.0f) < eps && Mathf.Abs(m_Pitch - 35.0f) < eps)
{
rect = GUILayoutUtility.GetLastRect();
rectFound = true;
}
if (GUILayout.Button(LightAnchorStyles.presetTextureHair, presetButtonWidth, presetButtonHeight))
{
m_Yaw = 0;
m_Pitch = 110;
yawChanged = true;
pitchChanged = true;
frameChanged = true;
}
if (Mathf.Abs(m_Yaw - 0.0f) < eps && Mathf.Abs(m_Pitch - 110.0f) < eps)
{
rect = GUILayoutUtility.GetLastRect();
rectFound = true;
}
if (GUILayout.Button(LightAnchorStyles.presetTextureFillRight, presetButtonWidth, presetButtonHeight))
{
m_Yaw = -35;
m_Pitch = 35;
yawChanged = true;
pitchChanged = true;
frameChanged = true;
}
if (Mathf.Abs(m_Yaw + 35.0f) < eps && Mathf.Abs(m_Pitch - 35.0f) < eps)
{
rect = GUILayoutUtility.GetLastRect();
rectFound = true;
}
if (GUILayout.Button(LightAnchorStyles.presetTextureBounceRight, presetButtonWidth, presetButtonHeight))
{
m_Yaw = -30;
m_Pitch = -30;
yawChanged = true;
pitchChanged = true;
frameChanged = true;
}
if (Mathf.Abs(m_Yaw + 30.0f) < eps && Mathf.Abs(m_Pitch + 30.0f) < eps)
{
rect = GUILayoutUtility.GetLastRect();
rectFound = true;
}
if (GUILayout.Button(LightAnchorStyles.presetTextureKickRight, presetButtonWidth, presetButtonHeight))
{
m_Yaw = -100;
m_Pitch = 10;
yawChanged = true;
pitchChanged = true;
frameChanged = true;
}
if (Mathf.Abs(m_Yaw + 100.0f) < eps && Mathf.Abs(m_Pitch - 10.0f) < eps)
{
rect = GUILayoutUtility.GetLastRect();
rectFound = true;
}
if (GUILayout.Button(LightAnchorStyles.presetTextureRimRight, presetButtonWidth, presetButtonHeight))
{
m_Yaw = -135;
m_Pitch = 0;
yawChanged = true;
pitchChanged = true;
frameChanged = true;
}
if (Mathf.Abs(m_Yaw + 135.0f) < eps && Mathf.Abs(m_Pitch - 0.0f) < eps)
{
rect = GUILayoutUtility.GetLastRect();
rectFound = true;
}
if (rectFound)
{
Handles.DrawSolidRectangleWithOutline(rect, LightAnchorStyles.totalTransparentColor, LightAnchorStyles.hoverColor);
}
GUILayout.FlexibleSpace();
}
GUI.backgroundColor = cachedColor;
}
if (frameChanged)
{
LightAnchor manipulator = target as LightAnchor;
if (upChanged)
{
manipulator.SynchronizeOnTransform(camera);
}
Undo.RecordObjects(new UnityEngine.Object[] { manipulator.transform }, "Reset Light Anchor Transform");
if (yawChanged)
{
manipulator.yaw = m_Yaw;
}
if (pitchChanged)
{
manipulator.pitch = m_Pitch;
}
if (rollChanged)
{
manipulator.roll = m_Roll;
}
if (distanceChanged)
{
manipulator.distance = m_Distance;
}
manipulator.UpdateTransform(camera, anchor);
IsCacheInvalid(manipulator);
}
}
}
/// <summary>
/// Calls the methods in its invocation list when show the Inspector
/// </summary>
public override void OnInspectorGUI()
{
var camera = Camera.main;
if (camera == null)
{
EditorGUILayout.HelpBox("Light Anchor: At least one camera must be tagged as MainCamera", MessageType.Error);
return;
}
if (IsCacheInvalid(manipulator))
{
manipulator.SynchronizeOnTransform(camera);
UpdateCache();
}
// anchor is cached for it cannot be changed from the inspector,
// we have a dedicated editor tool to move the anchor
var anchor = manipulator.anchorPosition;
bool yawChanged = false;
bool pitchChanged = false;
bool rollChanged = false;
bool distanceChanged = false;
bool positionOverrideChanged = false;
bool upChanged = false;
using (var change = new EditorGUI.ChangeCheckScope())
{
EditorGUILayout.Space();
float widgetHeight = EditorGUIUtility.singleLineHeight * 5f;
using (new EditorGUILayout.HorizontalScope())
{
Color usedColor;
EditorGUI.BeginChangeCheck();
{
var localRect = EditorGUILayout.GetControlRect(false, widgetHeight);
usedColor = Color.green;
usedColor.a = 0.2f;
m_Yaw = AngleField(localRect, "Yaw", m_Yaw, 90, usedColor, true);
}
yawChanged = EditorGUI.EndChangeCheck();
EditorGUI.BeginChangeCheck();
{
var localRect = EditorGUILayout.GetControlRect(false, widgetHeight);
usedColor = Color.blue;
usedColor.a = 0.2f;
m_Pitch = AngleField(localRect, "Pitch", m_Pitch, 180, usedColor, true);
}
pitchChanged = EditorGUI.EndChangeCheck();
EditorGUI.BeginChangeCheck();
{
var localRect = EditorGUILayout.GetControlRect(false, widgetHeight);
usedColor = Color.grey;
usedColor.a = 0.2f;
bool enabledKnob = true;
m_Roll = AngleField(localRect, "Roll", m_Roll, -90, usedColor, enabledKnob);
}
rollChanged = EditorGUI.EndChangeCheck();
}
EditorGUILayout.Space();
Rect angleRect = EditorGUILayout.GetControlRect(true, EditorGUI.GetPropertyHeight(SerializedPropertyType.Vector3, EditorGUIUtility.TrTextContent("")));
float[] angles = new float[3] {
m_Yaw, m_Pitch, m_Roll
};
EditorGUI.BeginChangeCheck();
EditorGUI.MultiFloatField(angleRect, LightAnchorStyles.angleSubContent, angles);
const float eps = 1e-4f;
if (EditorGUI.EndChangeCheck())
{
if (Mathf.Abs(angles[0] - m_Yaw) > eps)
{
m_Yaw = angles[0];
yawChanged = true;
}
if (Mathf.Abs(angles[1] - m_Pitch) > eps)
{
m_Pitch = angles[1];
pitchChanged = true;
}
if (Mathf.Abs(angles[2] - m_Roll) > eps)
{
m_Roll = angles[2];
rollChanged = true;
}
}
EditorGUILayout.Space();
EditorGUI.BeginChangeCheck();
EditorGUILayout.PropertyField(m_DistanceProperty, LightAnchorStyles.distanceProperty);
if (distanceChanged = EditorGUI.EndChangeCheck())
{
m_DistanceProperty.floatValue = Mathf.Min(m_DistanceProperty.floatValue, LightAnchor.k_MaxDistance);
}
EditorGUI.BeginChangeCheck();
EditorGUILayout.PropertyField(m_FrameSpaceProperty, LightAnchorStyles.upDirectionProperty);
upChanged = EditorGUI.EndChangeCheck();
EditorGUI.BeginChangeCheck();
EditorGUILayout.PropertyField(m_AnchorPositionOverrideProperty, LightAnchorStyles.anchorPositionOverrideProperty);
positionOverrideChanged = EditorGUI.EndChangeCheck();
if (m_AnchorPositionOverrideProperty.objectReferenceValue != null)
{
EditorGUI.indentLevel++;
EditorGUI.BeginChangeCheck();
EditorGUILayout.PropertyField(m_AnchorPositionOffsetProperty, LightAnchorStyles.anchorPositionOffsetProperty);
positionOverrideChanged |= EditorGUI.EndChangeCheck();
EditorGUI.indentLevel--;
}
if (m_FoldoutPreset = EditorGUILayout.Foldout(m_FoldoutPreset, "Common"))
{
Color cachedColor = GUI.backgroundColor;
GUI.backgroundColor = LightAnchorStyles.BackgroundIconColor();
var inspectorWidth = EditorGUIUtility.currentViewWidth - LightAnchorStyles.inspectorWidthPadding;
var presetButtonWidth = GUILayout.Width(inspectorWidth / LightAnchorStyles.presetButtonCount);
var presetButtonHeight = GUILayout.Height(inspectorWidth / LightAnchorStyles.presetButtonCount);
using (new EditorGUILayout.HorizontalScope())
{
bool rectFound = false;
Rect rect = new Rect();
if (GUILayout.Button(LightAnchorStyles.presetTextureRimLeft, presetButtonWidth, presetButtonHeight))
{
m_Yaw = 135;
m_Pitch = 0;
yawChanged = true;
pitchChanged = true;
}
if (Mathf.Abs(m_Yaw - 135.0f) < eps && Mathf.Abs(m_Pitch - 0.0f) < eps)
{
rect = GUILayoutUtility.GetLastRect();
rectFound = true;
}
if (GUILayout.Button(LightAnchorStyles.presetTextureKickLeft, presetButtonWidth, presetButtonHeight))
{
m_Yaw = 100;
m_Pitch = 10;
yawChanged = true;
pitchChanged = true;
}
if (Mathf.Abs(m_Yaw - 100.0f) < eps && Mathf.Abs(m_Pitch - 10.0f) < eps)
{
rect = GUILayoutUtility.GetLastRect();
rectFound = true;
}
if (GUILayout.Button(LightAnchorStyles.presetTextureBounceLeft, presetButtonWidth, presetButtonHeight))
{
m_Yaw = 30;
m_Pitch = -30;
yawChanged = true;
pitchChanged = true;
}
if (Mathf.Abs(m_Yaw - 30.0f) < eps && Mathf.Abs(m_Pitch + 30.0f) < eps)
{
rect = GUILayoutUtility.GetLastRect();
rectFound = true;
}
if (GUILayout.Button(LightAnchorStyles.presetTextureFillLeft, presetButtonWidth, presetButtonHeight))
{
m_Yaw = 35;
m_Pitch = 35;
yawChanged = true;
pitchChanged = true;
}
if (Mathf.Abs(m_Yaw - 35.0f) < eps && Mathf.Abs(m_Pitch - 35.0f) < eps)
{
rect = GUILayoutUtility.GetLastRect();
rectFound = true;
}
if (GUILayout.Button(LightAnchorStyles.presetTextureHair, presetButtonWidth, presetButtonHeight))
{
m_Yaw = 0;
m_Pitch = 110;
yawChanged = true;
pitchChanged = true;
}
if (Mathf.Abs(m_Yaw - 0.0f) < eps && Mathf.Abs(m_Pitch - 110.0f) < eps)
{
rect = GUILayoutUtility.GetLastRect();
rectFound = true;
}
if (GUILayout.Button(LightAnchorStyles.presetTextureFillRight, presetButtonWidth, presetButtonHeight))
{
m_Yaw = -35;
m_Pitch = 35;
yawChanged = true;
pitchChanged = true;
}
if (Mathf.Abs(m_Yaw + 35.0f) < eps && Mathf.Abs(m_Pitch - 35.0f) < eps)
{
rect = GUILayoutUtility.GetLastRect();
rectFound = true;
}
if (GUILayout.Button(LightAnchorStyles.presetTextureBounceRight, presetButtonWidth, presetButtonHeight))
{
m_Yaw = -30;
m_Pitch = -30;
yawChanged = true;
pitchChanged = true;
}
if (Mathf.Abs(m_Yaw + 30.0f) < eps && Mathf.Abs(m_Pitch + 30.0f) < eps)
{
rect = GUILayoutUtility.GetLastRect();
rectFound = true;
}
if (GUILayout.Button(LightAnchorStyles.presetTextureKickRight, presetButtonWidth, presetButtonHeight))
{
m_Yaw = -100;
m_Pitch = 10;
yawChanged = true;
pitchChanged = true;
}
if (Mathf.Abs(m_Yaw + 100.0f) < eps && Mathf.Abs(m_Pitch - 10.0f) < eps)
{
rect = GUILayoutUtility.GetLastRect();
rectFound = true;
}
if (GUILayout.Button(LightAnchorStyles.presetTextureRimRight, presetButtonWidth, presetButtonHeight))
{
m_Yaw = -135;
m_Pitch = 0;
yawChanged = true;
pitchChanged = true;
}
if (Mathf.Abs(m_Yaw + 135.0f) < eps && Mathf.Abs(m_Pitch - 0.0f) < eps)
{
rect = GUILayoutUtility.GetLastRect();
rectFound = true;
}
if (rectFound)
{
Handles.DrawSolidRectangleWithOutline(rect, LightAnchorStyles.totalTransparentColor, LightAnchorStyles.hoverColor);
}
GUILayout.FlexibleSpace();
}
GUI.backgroundColor = cachedColor;
}
if (upChanged)
{
Undo.RecordObjects(new UnityEngine.Object[] { target, manipulator.transform }, "Light Anchor Change");
manipulator.frameSpace = (LightAnchor.UpDirection)m_FrameSpaceProperty.intValue;
manipulator.SynchronizeOnTransform(camera);
UpdateCache();
}
if (yawChanged || pitchChanged || rollChanged || distanceChanged || positionOverrideChanged)
{
Undo.RecordObjects(new UnityEngine.Object[] { target, manipulator.transform }, "Light Anchor Change");
if (yawChanged)
{
manipulator.yaw = m_Yaw;
}
if (pitchChanged)
{
manipulator.pitch = m_Pitch;
}
if (rollChanged)
{
manipulator.roll = m_Roll;
}
if (distanceChanged)
{
manipulator.distance = m_DistanceProperty.floatValue;
}
if (positionOverrideChanged)
{
var newTransform = m_AnchorPositionOverrideProperty.objectReferenceValue as Transform;
if (newTransform != null)
{
// Check that the assigned transform is not child of the light anchor, otherwise it would cause problems when moving the light position
if (newTransform.IsChildOf(manipulator.transform))
{
Debug.LogError($"Can't assign '{newTransform.name}' because it's a child of the Light Anchor component");
}
else
{
manipulator.anchorPositionOverride = newTransform;
manipulator.anchorPositionOffset = m_AnchorPositionOffsetProperty.vector3Value;
float newDistance = Vector3.Distance(manipulator.transform.position, manipulator.anchorPosition);
// Orient the object to face the new override position
manipulator.SynchronizeOnTransform(camera);
// And adjust it's distance to avoid modifying it's position.
manipulator.distance = newDistance;
}
}
else
{
manipulator.anchorPositionOverride = newTransform;
}
}
if (manipulator.anchorPositionOverride != null)
{
anchor = manipulator.anchorPosition;
}
manipulator.UpdateTransform(camera, anchor);
IsCacheInvalid(manipulator);
}
}
}