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Merge pull request #2559 from KoziLord/ParallaxContainerImprovement

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Add support for negative ParallaxAmount in ParallaxContainer
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Dean Herbert 2018-06-21 13:06:09 +09:00 committed by GitHub
commit 498302e298
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3 changed files with 37 additions and 3 deletions
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26
osu.Game.Tests/Visual/TestCaseParallaxContainer.cs Normal file
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@ -0,0 +1,26 @@
// Copyright (c) 2007-2018 ppy Pty Ltd <contact@ppy.sh>.
// Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using osu.Game.Graphics.Containers;
using osu.Game.Screens.Backgrounds;
namespace osu.Game.Tests.Visual
{
public class TestCaseParallaxContainer : OsuTestCase
{
public TestCaseParallaxContainer()
{
ParallaxContainer parallax;
Add(parallax = new ParallaxContainer
{
Child = new BackgroundScreenDefault { Alpha = 0.8f }
});
AddStep("default parallax", () => parallax.ParallaxAmount = ParallaxContainer.DEFAULT_PARALLAX_AMOUNT);
AddStep("high parallax", () => parallax.ParallaxAmount = ParallaxContainer.DEFAULT_PARALLAX_AMOUNT * 10);
AddStep("no parallax", () => parallax.ParallaxAmount = 0);
AddStep("negative parallax", () => parallax.ParallaxAmount = -ParallaxContainer.DEFAULT_PARALLAX_AMOUNT);
}
}
}

7
osu.Game/Graphics/Containers/ParallaxContainer.cs
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@ -16,6 +16,9 @@ namespace osu.Game.Graphics.Containers
{
public const float DEFAULT_PARALLAX_AMOUNT = 0.02f;
/// <summary>
/// The amount of parallax movement. Negative values will reverse the direction of parallax relative to user input.
/// </summary>
public float ParallaxAmount = DEFAULT_PARALLAX_AMOUNT;
private Bindable<bool> parallaxEnabled;
@ -45,7 +48,7 @@ namespace osu.Game.Graphics.Containers
if (!parallaxEnabled)
{
content.MoveTo(Vector2.Zero, firstUpdate ? 0 : 1000, Easing.OutQuint);
content.Scale = new Vector2(1 + ParallaxAmount);
content.Scale = new Vector2(1 + System.Math.Abs(ParallaxAmount));
}
};
}
@ -69,7 +72,7 @@ namespace osu.Game.Graphics.Containers
double elapsed = MathHelper.Clamp(Clock.ElapsedFrameTime, 0, 1000);
content.Position = Interpolation.ValueAt(elapsed, content.Position, offset, 0, 1000, Easing.OutQuint);
content.Scale = Interpolation.ValueAt(elapsed, content.Scale, new Vector2(1 + ParallaxAmount), 0, 1000, Easing.OutQuint);
content.Scale = Interpolation.ValueAt(elapsed, content.Scale, new Vector2(1 + System.Math.Abs(ParallaxAmount)), 0, 1000, Easing.OutQuint);
}
firstUpdate = false;

7
osu.Game/Tests/OsuTestBrowser.cs
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@ -3,6 +3,7 @@
using osu.Framework.Platform;
using osu.Framework.Testing;
using osu.Game.Graphics;
using osu.Game.Screens.Backgrounds;
namespace osu.Game.Tests
@ -13,7 +14,11 @@ namespace osu.Game.Tests
{
base.LoadComplete();
LoadComponentAsync(new BackgroundScreenDefault { Depth = 10 }, AddInternal);
LoadComponentAsync(new BackgroundScreenDefault
{
Colour = OsuColour.Gray(0.5f),
Depth = 10
}, AddInternal);
// Have to construct this here, rather than in the constructor, because
// we depend on some dependencies to be loaded within OsuGameBase.load().