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Merge pull request #11566 from peppy/limit-parallax-outside-container-area 

Limit the effect of parallax when outside the bounds of the ParallaxContainer
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Dan Balasescu 2021-01-22 16:33:45 +09:00 committed by GitHub
parent a81f4a1ed3 65b7075984
commit 6bb270cbdd
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 18 additions and 4 deletions
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22
osu.Game/Graphics/Containers/ParallaxContainer.cs
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@ -24,6 +24,10 @@ public class ParallaxContainer : Container, IRequireHighFrequencyMousePosition
private Bindable<bool> parallaxEnabled;
private const float parallax_duration = 100;
private bool firstUpdate = true;
public ParallaxContainer()
{
RelativeSizeAxes = Axes.Both;
@ -60,17 +64,27 @@ protected override void LoadComplete()
input = GetContainingInputManager();
}
private bool firstUpdate = true;
protected override void Update()
{
base.Update();
if (parallaxEnabled.Value)
{
Vector2 offset = (input.CurrentState.Mouse == null ? Vector2.Zero : ToLocalSpace(input.CurrentState.Mouse.Position) - DrawSize / 2) * ParallaxAmount;
Vector2 offset = Vector2.Zero;
const float parallax_duration = 100;
if (input.CurrentState.Mouse != null)
{
var sizeDiv2 = DrawSize / 2;
Vector2 relativeAmount = ToLocalSpace(input.CurrentState.Mouse.Position) - sizeDiv2;
const float base_factor = 0.999f;
relativeAmount.X = (float)(Math.Sign(relativeAmount.X) * Interpolation.Damp(0, 1, base_factor, Math.Abs(relativeAmount.X)));
relativeAmount.Y = (float)(Math.Sign(relativeAmount.Y) * Interpolation.Damp(0, 1, base_factor, Math.Abs(relativeAmount.Y)));
offset = relativeAmount * sizeDiv2 * ParallaxAmount;
}
double elapsed = Math.Clamp(Clock.ElapsedFrameTime, 0, parallax_duration);