[Editor API] - Added animate to marching ants interface to allow for …

…multiple calls to the draw without messing up the animation timing.

PlugIns/Gorgon.Editor.ImageEditor/_Internal/Renderers/TextureCubeViewer.cs

@@ -180,7 +180,8 @@ protected override void DrawTexture()
             {
                 Renderer.DrawRectangle(_cubeScreenBounds[i], new GorgonColor(GorgonColor.Black, Opacity * 0.88f), 1);
             }
-
+
+            _selectionRect.Animate();
             _selectionRect.Draw(_cubeScreenBounds[selectedImage]);
 
             var offset = new Vector2(0, "+X".MeasureLine(_axisFont, true).Height);

PlugIns/Gorgon.Editor.SpriteEditor/_Internal/Renderers/DefaultSpriteViewer.cs

@@ -268,6 +268,7 @@ protected override void DrawSprite()
             Renderer.DrawEllipse(new DX.RectangleF(transformedAnchor.X - 4, transformedAnchor.Y - 4, 8, 8), GorgonColor.Black);            
             Renderer.DrawEllipse(new DX.RectangleF(transformedAnchor.X - 3, transformedAnchor.Y - 3, 6, 6), GorgonColor.White);
 
+            _marchAnts.Animate();
             _marchAnts.Draw(marchAntsRect);
             Renderer.End();
         }

PlugIns/Gorgon.Editor.SpriteEditor/_Internal/Renderers/PickSpriteViewer.cs

@@ -227,6 +227,7 @@ protected override void DrawSprite()
 
             // Draw in client space.
             Renderer.Begin();
+            _marchAnts.Animate();
             _marchAnts.Draw(marchAntsRect);
             Renderer.End();
         }

Tools/Editor/Gorgon.Editor.API/Rendering/MarchingAnts.cs

@@ -67,24 +67,27 @@ public void Dispose()
         }
 
         /// <summary>
-        /// Function to draw the marching ants rectangle.
+        /// Function to animate the marching ants.
         /// </summary>
-        /// <param name="rect">The rectangular region to draw in.</param>
-        public void Draw(DX.RectangleF rect)
+        public void Animate()
         {
             _step += _marchAntsTexture.Value.Width * (GorgonTiming.Delta * 0.4f);
 
             if (_step > _marchAntsTexture.Value.Width)
             {
                 _step -= _marchAntsTexture.Value.Width;
             }
-
-            _renderer.DrawRectangle(rect, GorgonColor.White,
-                texture: _marchAntsTexture.Value,
-                textureRegion: _marchAntsTexture.Value.ToTexel(new DX.Rectangle((int)-_step, 0, (int)rect.Width, (int)rect.Height)),
-                textureSampler: GorgonSamplerState.PointFilteringWrapping);
         }
 
+        /// <summary>
+        /// Function to draw the marching ants rectangle.
+        /// </summary>
+        /// <param name="rect">The rectangular region to draw in.</param>
+        public void Draw(DX.RectangleF rect) => _renderer.DrawRectangle(rect, GorgonColor.White,
+                                                                        texture: _marchAntsTexture.Value,
+                                                                        textureRegion: _marchAntsTexture.Value.ToTexel(new DX.Rectangle((int)-_step, 0, (int)rect.Width, (int)rect.Height)),
+                                                                        textureSampler: GorgonSamplerState.PointFilteringWrapping);
+
         /// <summary>
         /// Function to build an instance of the marching ants texture.
         /// </summary>

Tools/Editor/Gorgon.Editor.API/Rendering/_Interfaces/IMarchingAnts.cs

@@ -9,6 +9,11 @@ namespace Gorgon.Editor.Rendering
     public interface IMarchingAnts
         : IDisposable
     {
+        /// <summary>
+        /// Function to animate the marching ants.
+        /// </summary>
+        void Animate();
+
         /// <summary>
         /// Function to draw the marching ants rectangle.
         /// </summary>

Tools/Editor/Gorgon.Editor.API/Services/RectClipperService.cs

@@ -699,6 +699,7 @@ public void Render()
 
             GetActiveHandle();
 
+            _marchingAnts.Animate();
             _marchingAnts.Draw(_screenRect);
 
             for (int i = 0; i < _handles.Length; ++i)