public void Update(RTSceneGizmoCamera sceneGizmoCamera)
{
SceneGizmoLookAndFeel lookAndFeel = _sceneGizmo.LookAndFeel;
Vector2 screenOffset = lookAndFeel.ScreenOffset;
Rect sceneCameraViewRect = sceneGizmoCamera.SceneCamera.pixelRect;
Vector2 camPrjSwitchLabelRectSize = lookAndFeel.CalculateMaxPrjSwitchLabelRectSize();
bool usesPrjSwitchLabel = lookAndFeel.IsCamPrjSwitchLabelVisible;
float screenSize = SceneGizmoLookAndFeel.ScreenSize;
if (lookAndFeel.ScreenCorner == SceneGizmoScreenCorner.TopRight)
{
sceneGizmoCamera.Camera.pixelRect = new Rect(sceneCameraViewRect.xMax - screenSize + screenOffset.x, sceneCameraViewRect.yMax - screenSize + screenOffset.y, screenSize, screenSize);
}
else
if (lookAndFeel.ScreenCorner == SceneGizmoScreenCorner.TopLeft)
{
sceneGizmoCamera.Camera.pixelRect = new Rect(sceneCameraViewRect.xMin + screenOffset.x, sceneCameraViewRect.yMax - screenSize + screenOffset.y, screenSize, screenSize);
}
else
if (lookAndFeel.ScreenCorner == SceneGizmoScreenCorner.BottomRight)
{
sceneGizmoCamera.Camera.pixelRect = new Rect(sceneCameraViewRect.xMax - screenSize + screenOffset.x,
sceneCameraViewRect.yMin + (usesPrjSwitchLabel ? camPrjSwitchLabelRectSize.y + 1.0f : 0.0f) + screenOffset.y, screenSize, screenSize);
}
else
{
sceneGizmoCamera.Camera.pixelRect = new Rect(sceneCameraViewRect.xMin + screenOffset.x,
sceneCameraViewRect.yMin + (usesPrjSwitchLabel ? camPrjSwitchLabelRectSize.y + 1.0f : 0.0f) + screenOffset.y, screenSize, screenSize);
}
}
public override void Render(Camera camera)
{
var sgLookAndFeel = _sceneGizmo.LookAndFeel;
RTSceneGizmoCamera sceneGizmoCamera = _sceneGizmo.SceneGizmoCamera;
_cap.Render(camera);
if (_axisDesc.IsPositive)
{
GizmoLabelMaterial labelMaterial = GizmoLabelMaterial.Get;
labelMaterial.SetZWriteEnabled(false);
labelMaterial.SetZTestLessEqual();
labelMaterial.SetColor(ColorEx.KeepAllButAlpha(sgLookAndFeel.AxesLabelTint, _color.Value.a));
labelMaterial.SetTexture(_labelTexture);
labelMaterial.SetPass(0);
Vector3 gizmoAxis = _sceneGizmo.Gizmo.Transform.GetAxis3D(_axisDesc);
Vector3 labelScale = Vector3Ex.FromValue(sgLookAndFeel.GetAxesLabelWorldSize(sceneGizmoCamera.Camera, _cap.Position));
Vector3 labelPos = _cap.Position + gizmoAxis * (labelScale.x * 0.5f);
Vector2 labelScreenPos = sceneGizmoCamera.Camera.WorldToScreenPoint(labelPos);
Vector2 midAxisScreenPos = sceneGizmoCamera.Camera.WorldToScreenPoint(_sceneGizmo.SceneGizmoCamera.LookAtPoint);
Vector2 labelScreenDir = (labelScreenPos - midAxisScreenPos).normalized;
float absDotCamLook = Mathf.Abs(Vector3Ex.AbsDot(sceneGizmoCamera.Look, gizmoAxis));
labelScreenPos = labelScreenPos + Vector2.Scale(labelScreenDir, Vector2Ex.FromValue(SceneGizmoLookAndFeel.AxisLabelScreenSize)) * absDotCamLook;
labelPos = sceneGizmoCamera.Camera.ScreenToWorldPoint(new Vector3(labelScreenPos.x, labelScreenPos.y, (labelPos - sceneGizmoCamera.WorldPosition).magnitude));
Quaternion labelRotation = Quaternion.LookRotation(sceneGizmoCamera.Look, sceneGizmoCamera.Up);
Matrix4x4 labelTransformMtx = Matrix4x4.TRS(labelPos, labelRotation, labelScale);
Graphics.DrawMeshNow(MeshPool.Get.UnitQuadXY, labelTransformMtx);
}
}
public RTSceneGizmoCamera CreateSceneGizmoCamera(Camera sceneCamera, ISceneGizmoCamViewportUpdater viewportUpdater)
{
GameObject sceneGizmoCamObject = new GameObject(typeof(RTSceneGizmoCamera).ToString());
sceneGizmoCamObject.transform.parent = RTGizmosEngine.Get.transform;
RTSceneGizmoCamera sgCamera = sceneGizmoCamObject.AddComponent <RTSceneGizmoCamera>();
sgCamera.ViewportUpdater = viewportUpdater;
sgCamera.SceneCamera = sceneCamera;
_sceneGizmoCameras.Add(sgCamera);
return(sgCamera);
}
private void UpdateTransform(Camera camera)
{
Vector3 midAxisPos = _sceneGizmo.SceneGizmoCamera.LookAtPoint;
RTSceneGizmoCamera sceneGizmoCamera = _sceneGizmo.SceneGizmoCamera;
Vector3 axisDirection = _sceneGizmo.Gizmo.Transform.GetAxis3D(_axisDesc);
_zoomFactorTransform.Position3D = midAxisPos;
float zoomFactor = _cap.GetZoomFactor(camera);
Vector3 midCapSize = _sceneGizmo.LookAndFeel.MidCapType == GizmoCap3DType.Box ?
Vector3Ex.FromValue(SceneGizmoLookAndFeel.MidCapBoxSize * zoomFactor) : Vector3Ex.FromValue(SceneGizmoLookAndFeel.MidCapSphereRadius * 2.0f * zoomFactor);
Vector3 midBoxFaceCenter = BoxMath.CalcBoxFaceCenter(midAxisPos, midCapSize, Quaternion.identity, _midAxisBoxFace);
_cap.CapSlider3DInvert(axisDirection, midBoxFaceCenter);
}
public override void OnAttached()
{
_sceneGizmoCamera = RTGizmosEngine.Get.CreateSceneGizmoCamera(RTFocusCamera.Get.TargetCamera, new SceneGizmoCamViewportUpdater(this));
// Create the mid axis handle
_midAxisHandle = new SceneGizmoMidCap(this);
_renderSortedHandles.Add(_midAxisHandle);
// Create the axes handles
AxisDescriptor[] axesDescriptors = new AxisDescriptor[]
{
new AxisDescriptor(0, AxisSign.Positive), new AxisDescriptor(1, AxisSign.Positive),
new AxisDescriptor(2, AxisSign.Positive), new AxisDescriptor(0, AxisSign.Negative),
new AxisDescriptor(1, AxisSign.Negative), new AxisDescriptor(2, AxisSign.Negative)
};
int[] handleIds = new int[]
{
GizmoHandleId.SceneGizmoPositiveXAxis, GizmoHandleId.SceneGizmoPositiveYAxis,
GizmoHandleId.SceneGizmoPositiveZAxis, GizmoHandleId.SceneGizmoNegativeXAxis,
GizmoHandleId.SceneGizmoNegativeYAxis, GizmoHandleId.SceneGizmoNegativeZAxis
};
for (int axisIndex = 0; axisIndex < axesDescriptors.Length; ++axisIndex)
{
_axesHandles[axisIndex] = new SceneGizmoAxisCap(this, handleIds[axisIndex], axesDescriptors[axisIndex]);
_renderSortedHandles.Add(_axesHandles[axisIndex]);
}
// Create the camera projection switch handle
_camPrjSwitchLabel = new SceneGizmoCamPrjSwitchLabel(this);
// Establish the scene gizmo's transform. These will remain unchanged.
Gizmo.Transform.Position3D = _sceneGizmoCamera.LookAtPoint;
Gizmo.Transform.Rotation3D = Quaternion.identity;
// We want the scene gizmo to have the highest hover priority. This way, whatever
// other gizmo lies behind it, the scene gizmo will be the one hovered by the cursor.
Gizmo.GenericHoverPriority.MakeHighest();
Gizmo.HoverPriority2D.MakeHighest();
Gizmo.HoverPriority3D.MakeHighest();
}
