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osu-lazer/osu.Game/Graphics/Containers/ParallaxContainer.cs

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//Copyright (c) 2007-2016 ppy Pty Ltd <contact@ppy.sh>.
//Licensed under the MIT Licence - https://raw.githubusercontent.com/ppy/osu/master/LICENCE
using osu.Framework.Graphics.Containers;
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using osu.Framework.Graphics;
using osu.Framework.Input;
using OpenTK;
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using osu.Framework;
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using osu.Framework.Allocation;
using osu.Framework.Graphics.Transformations;
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namespace osu.Game.Graphics.Containers
{
class ParallaxContainer : Container
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{
public float ParallaxAmount = 0.02f;
public override bool Contains(Vector2 screenSpacePos) => true;
public ParallaxContainer()
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{
RelativeSizeAxes = Axes.Both;
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AddInternal(content = new Container
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{
RelativeSizeAxes = Axes.Both,
Anchor = Anchor.Centre,
Origin = Anchor.Centre
});
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}
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private Container content;
private InputManager input;
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protected override Container<Drawable> Content => content;
[BackgroundDependencyLoader]
private void load(UserInputManager input)
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{
this.input = input;
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}
bool firstUpdate = true;
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protected override void Update()
{
base.Update();
content.MoveTo((ToLocalSpace(input.CurrentState.Mouse.NativeState.Position) - DrawSize / 2) * ParallaxAmount, firstUpdate ? 0 : 1000, EasingTypes.OutQuint);
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content.Scale = new Vector2(1 + ParallaxAmount);
firstUpdate = false;
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}
}
}