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Add non-null assurance.

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Dean Herbert
2017-05-08 12:05:48 +09:00
parent a38e95c607
commit 9f1f926634
1 changed files with 3 additions and 0 deletions
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osu.Game/Graphics/Cursor/CursorTrail.cs
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@ -14,6 +14,7 @@ using OpenTK.Graphics.ES30;
using osu.Framework.Graphics.Primitives; using osu.Framework.Graphics.Primitives;
using osu.Framework.Graphics.Colour; using osu.Framework.Graphics.Colour;
using osu.Framework.Timing; using osu.Framework.Timing;
using System.Diagnostics;
namespace osu.Game.Graphics.Cursor namespace osu.Game.Graphics.Cursor
{ {
@ -124,6 +125,8 @@ namespace osu.Game.Graphics.Cursor
foreach (Vector2 pos2 in resampler.AddPosition(state.Mouse.NativeState.Position)) foreach (Vector2 pos2 in resampler.AddPosition(state.Mouse.NativeState.Position))
{ {
Trace.Assert(lastPosition.HasValue);
Vector2 pos1 = lastPosition.Value; Vector2 pos1 = lastPosition.Value;
Vector2 diff = pos2 - pos1; Vector2 diff = pos2 - pos1;
float distance = diff.Length; float distance = diff.Length;