Use intermediate only for pen

src/PixiEditor.ChangeableDocument/Changeables/Brushes/BrushEngine.cs

@@ -1,5 +1,6 @@
 using System.Diagnostics;
 using Drawie.Backend.Core;
+using Drawie.Backend.Core.ColorsImpl;
 using Drawie.Backend.Core.ColorsImpl.Paintables;
 using Drawie.Backend.Core.Numerics;
 using Drawie.Backend.Core.Surfaces;
@@ -42,7 +43,7 @@ public class BrushEngine : IDisposable
             return;
         }
 
-        if (brushData.BrushGraph.AllNodes.FirstOrDefault(x => x is BrushOutputNode) is not BrushOutputNode brushNode)
+        if (brushData.BrushGraph.LookupNode(brushData.TargetBrushNodeId) is not BrushOutputNode brushNode)
         {
             return;
         }
@@ -108,7 +109,7 @@ public class BrushEngine : IDisposable
     public void ExecuteBrush(ChunkyImage? target, BrushData brushData, VecD point, KeyFrameTime frameTime, ColorSpace cs,
         SamplingOptions samplingOptions, PointerInfo pointerInfo, KeyboardInfo keyboardInfo, EditorData editorData)
     {
-        var brushNode = brushData.BrushGraph?.AllNodes?.FirstOrDefault(x => x is BrushOutputNode) as BrushOutputNode;
+        var brushNode = brushData.BrushGraph?.LookupNode(brushData.TargetBrushNodeId) as BrushOutputNode;
         if (brushNode == null)
         {
             return;
@@ -119,7 +120,8 @@ public class BrushEngine : IDisposable
             editorData);
     }
 
-    private void ExecuteVectorShapeBrush(ChunkyImage? target, BrushOutputNode brushNode, BrushData brushData, VecD point,
+    private void ExecuteVectorShapeBrush(ChunkyImage? target, BrushOutputNode brushNode, BrushData brushData,
+        VecD point,
         KeyFrameTime frameTime,
         ColorSpace colorSpace, SamplingOptions samplingOptions,
         PointerInfo pointerInfo, KeyboardInfo keyboardInfo, EditorData editorData)

src/PixiEditor/Models/DocumentModels/ChangeExecutionController.cs

@@ -181,7 +181,7 @@ internal class ChangeExecutionController
 
     public void MouseMoveInlet(MouseOnCanvasEventArgs args)
     {
-        if (args.IntermediatePoints != null)
+        if (args.IntermediatePoints != null && args.PointerType == PointerType.Pen)
         {
             foreach (var point in args.IntermediatePoints)
             {

src/PixiEditor/Views/Main/ViewportControls/Viewport.axaml.cs

@@ -580,8 +580,9 @@ internal partial class Viewport : UserControl, INotifyPropertyChanged
 
         var intermediate = e.GetIntermediatePoints(this);
         List<PointerPosition> intermediatePositions = new();
-        foreach (var point in intermediate)
+        for (var i = 0; i < intermediate.Count; i++)
         {
+            var point = intermediate[i];
             Point interPos = point.Position;
             VecD interConv = Scene.ToZoomboxSpace(new VecD(interPos.X, interPos.Y));
             intermediatePositions.Add(new PointerPosition(interConv, point.Properties));