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add hability to create spline points with mouse click

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This commit is contained in:
Ruan Lucas
2023-09-22 15:32:07 -04:00
parent 4451f5feb2
commit 29e1d9855a
1 changed files with 96 additions and 5 deletions
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101
Source/Editor/SceneGraph/Actors/SplineNode.cs
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@@ -8,10 +8,12 @@ using Real = System.Single;
using System;
using System.Collections.Generic;
using FlaxEditor.GUI.ContextMenu;
using FlaxEditor.Actions;
using FlaxEditor.Modules;
using FlaxEditor.GUI.ContextMenu;
using FlaxEngine;
using FlaxEngine.Json;
using FlaxEngine.Utilities;
using Object = FlaxEngine.Object;
namespace FlaxEditor.SceneGraph.Actors
@@ -301,14 +303,24 @@ namespace FlaxEditor.SceneGraph.Actors
FlaxEngine.Scripting.Update += OnUpdate;
}
private unsafe void OnUpdate()
private void OnUpdate()
{
if (Input.Keyboard.GetKey(KeyboardKeys.Shift))
{
EditSplineWithSnap();
}
// Sync spline points with gizmo handles
var canAddSplinePoint = Input.Mouse.PositionDelta == Float2.Zero && Input.Mouse.Position != Float2.Zero;
var requestAddSplinePoint = Input.Keyboard.GetKey(KeyboardKeys.Control) && Input.Mouse.GetButtonDown(MouseButton.Right);
if (requestAddSplinePoint && canAddSplinePoint)
AddSplinePoint();
SyncSplineKeyframeWithNodes();
}
private unsafe void SyncSplineKeyframeWithNodes()
{
var actor = (Spline)Actor;
var dstCount = actor.SplinePointsCount;
if (dstCount > 1 && actor.IsLoop)
@@ -338,12 +350,91 @@ namespace FlaxEditor.SceneGraph.Actors
}
}
private unsafe void AddSplinePoint()
{
var selectedPoint = GetSelectedSplineNode();
if (selectedPoint == null)
return;
// checking mouse hit on scene
var spline = (Spline)Actor;
var viewport = Editor.Instance.Windows.EditWin.Viewport;
var mouseRay = viewport.MouseRay;
var viewRay = new Ray(viewport.ViewPosition, viewport.ViewDirection);
var flags = RayCastData.FlagTypes.SkipColliders | RayCastData.FlagTypes.SkipEditorPrimitives;
var hit = Editor.Instance.Scene.Root.RayCast(ref mouseRay, ref viewRay, out var closest, out var normal, flags);
if (hit == null)
return;
// Undo data
var oldSpline = spline.SplineKeyframes;
var editAction = new EditSplineAction(spline, oldSpline);
Root.Undo.AddAction(editAction);
// Getting spline point to duplicate
var hitPoint = mouseRay.Position + mouseRay.Direction * closest;
var lastPointIndex = selectedPoint.Index;
var newPointIndex = lastPointIndex > 0 ? lastPointIndex + 1 : 0;
var lastKeyframe = spline.GetSplineKeyframe(lastPointIndex);
var isLastPoint = lastPointIndex == spline.SplinePointsCount - 1;
var isFirstPoint = lastPointIndex == 0;
// Getting data to create new point
var lastPointTime = spline.GetSplineTime(lastPointIndex);
var nextPointTime = isLastPoint ? lastPointTime : spline.GetSplineTime(newPointIndex);
var newTime = isLastPoint ? lastPointTime + 1.0f : (lastPointTime + nextPointTime) * 0.5f;
var distanceFromLastPoint = Vector3.Distance(hitPoint, spline.GetSplinePoint(lastPointIndex));
var newPointDirection = spline.GetSplineTangent(lastPointIndex, false).Translation - hitPoint;
// set correctly keyframe direction on spawn point
if (isFirstPoint)
newPointDirection = hitPoint - spline.GetSplineTangent(lastPointIndex, true).Translation;
else if (isLastPoint)
newPointDirection = spline.GetSplineTangent(lastPointIndex, false).Translation - hitPoint;
var newPointLocalPosition = spline.Transform.WorldToLocal(hitPoint);
var newPointLocalOrientation = Quaternion.LookRotation(newPointDirection);
// Adding new point
spline.InsertSplinePoint(newPointIndex, newTime, Transform.Identity, false);
var newKeyframe = lastKeyframe.DeepClone();
var newKeyframeTransform = newKeyframe.Value;
newKeyframeTransform.Translation = newPointLocalPosition;
newKeyframeTransform.Orientation = newPointLocalOrientation;
newKeyframe.Value = newKeyframeTransform;
// Setting new point keyframe
var newkeyframeTangentIn = Transform.Identity;
var newkeyframeTangentOut = Transform.Identity;
newkeyframeTangentIn.Translation = (Vector3.Forward * newPointLocalOrientation) * distanceFromLastPoint;
newkeyframeTangentOut.Translation = (Vector3.Backward * newPointLocalOrientation) * distanceFromLastPoint;
newKeyframe.TangentIn = newkeyframeTangentIn;
newKeyframe.TangentOut = newkeyframeTangentOut;
spline.SetSplineKeyframe(newPointIndex, newKeyframe);
for (int i = 1; i < spline.SplinePointsCount; i++)
{
// check all elements to don't left keyframe has invalid time
// because points can be added on start or on middle of spline
// conflicting with time of another keyframes
spline.SetSplinePointTime(i, i, false);
}
// Select new point node
SyncSplineKeyframeWithNodes();
Editor.Instance.SceneEditing.Select(ChildNodes[newPointIndex]);
spline.UpdateSpline();
}
private void EditSplineWithSnap()
{
if (_currentEditSpline == null || _currentEditSpline != Actor)
return;
var selectedNode = SelectedSplineNode();
var selectedNode = GetSelectedSplineNode();
if (selectedNode == null)
return;
@@ -468,7 +559,7 @@ namespace FlaxEditor.SceneGraph.Actors
}
}
private static SplinePointNode SelectedSplineNode()
private static SplinePointNode GetSelectedSplineNode()
{
var selection = Editor.Instance.SceneEditing.Selection;
if (selection.Count != 1)