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Optimize timeline background rendering when zoom is very high

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#519
This commit is contained in:
Wojtek Figat
2021-08-23 13:18:41 +02:00
parent bee117f86b
commit 347eaa9d07
1 changed files with 21 additions and 9 deletions
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30
Source/Editor/GUI/Timeline/GUI/Background.cs
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@@ -46,10 +46,16 @@ namespace FlaxEditor.GUI.Timeline.GUI
var areaLeft = -X;
var areaRight = Parent.Width + mediaBackground.ControlsBounds.BottomRight.X;
var height = Height;
var leftSideMin = PointFromParent(Vector2.Zero);
var leftSideMax = BottomLeft;
var rightSideMin = UpperRight;
var rightSideMax = PointFromParent(Parent.BottomRight) + mediaBackground.ControlsBounds.BottomRight;
// Calculate the timeline range in the view to optimize background drawing
Render2D.PeekClip(out var globalClipping);
Render2D.PeekTransform(out var globalTransform);
var globalRect = new Rectangle(globalTransform.M31 + areaLeft, globalTransform.M32, areaRight * globalTransform.M11, height * globalTransform.M22);
var globalMask = Rectangle.Shared(globalClipping, globalRect);
var globalTransformInv = Matrix3x3.Invert(globalTransform);
var localRect = Rectangle.FromPoints(Matrix3x3.Transform2D(globalMask.UpperLeft, globalTransformInv), Matrix3x3.Transform2D(globalMask.BottomRight, globalTransformInv));
var localRectMin = localRect.UpperLeft;
var localRectMax = localRect.BottomRight;
// Draw lines between tracks
Render2D.DrawLine(new Vector2(areaLeft, 0.5f), new Vector2(areaRight, 0.5f), linesColor);
@@ -77,8 +83,8 @@ namespace FlaxEditor.GUI.Timeline.GUI
var minDistanceBetweenTicks = 50.0f;
var maxDistanceBetweenTicks = 100.0f;
var zoom = Timeline.UnitsPerSecond * _timeline.Zoom;
var left = Vector2.Min(leftSideMin, rightSideMax).X;
var right = Vector2.Max(leftSideMin, rightSideMax).X;
var left = Vector2.Min(localRectMin, localRectMax).X;
var right = Vector2.Max(localRectMin, localRectMax).X;
var leftFrame = Mathf.Floor((left - Timeline.StartOffset) / zoom) * _timeline.FramesPerSecond;
var rightFrame = Mathf.Ceil((right - Timeline.StartOffset) / zoom) * _timeline.FramesPerSecond;
var min = leftFrame;
@@ -146,9 +152,15 @@ namespace FlaxEditor.GUI.Timeline.GUI
}
// Darken area outside the duration
var outsideDurationAreaColor = new Color(0, 0, 0, 100);
Render2D.FillRectangle(new Rectangle(leftSideMin, leftSideMax.X - leftSideMin.X, height), outsideDurationAreaColor);
Render2D.FillRectangle(new Rectangle(rightSideMin, rightSideMax.X - rightSideMin.X, height), outsideDurationAreaColor);
{
var outsideDurationAreaColor = new Color(0, 0, 0, 100);
var leftSideMin = PointFromParent(Vector2.Zero);
var leftSideMax = BottomLeft;
var rightSideMin = UpperRight;
var rightSideMax = PointFromParent(Parent.BottomRight) + mediaBackground.ControlsBounds.BottomRight;
Render2D.FillRectangle(new Rectangle(leftSideMin, leftSideMax.X - leftSideMin.X, height), outsideDurationAreaColor);
Render2D.FillRectangle(new Rectangle(rightSideMin, rightSideMax.X - rightSideMin.X, height), outsideDurationAreaColor);
}
// Draw time axis header
var timeAxisHeaderOffset = -_timeline.MediaBackground.ViewOffset.Y;