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Improve osu!catch caught fruit placement algorithm

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This commit is contained in:
Dean Herbert 2021-04-22 17:06:08 +09:00
parent 68807a90ec
commit 3e1002fbf3
1 changed files with 18 additions and 11 deletions
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29
osu.Game.Rulesets.Catch/UI/Catcher.cs
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@ -53,6 +53,11 @@ namespace osu.Game.Rulesets.Catch.UI
/// </summary>
public const double BASE_SPEED = 1.0;
/// <summary>
/// The amount by which caught fruit should be scaled down to fit on the plate.
/// </summary>
private const float caught_fruit_scale_adjust = 0.5f;
[NotNull]
private readonly Container trailsTarget;
@ -240,7 +245,7 @@ namespace osu.Game.Rulesets.Catch.UI
if (result.IsHit)
{
var positionInStack = computePositionInStack(new Vector2(palpableObject.X - X, 0), palpableObject.DisplaySize.X / 2);
var positionInStack = computePositionInStack(new Vector2(palpableObject.X - X, 0), palpableObject.DisplaySize.X);
if (CatchFruitOnPlate)
placeCaughtObject(palpableObject, positionInStack);
@ -470,7 +475,7 @@ namespace osu.Game.Rulesets.Catch.UI
caughtObject.CopyStateFrom(drawableObject);
caughtObject.Anchor = Anchor.TopCentre;
caughtObject.Position = position;
caughtObject.Scale /= 2;
caughtObject.Scale *= caught_fruit_scale_adjust;
caughtObjectContainer.Add(caughtObject);
@ -480,19 +485,21 @@ namespace osu.Game.Rulesets.Catch.UI
private Vector2 computePositionInStack(Vector2 position, float displayRadius)
{
const float radius_div_2 = CatchHitObject.OBJECT_RADIUS / 2;
const float allowance = 10;
// this is taken from osu-stable (lenience should be 10 * 10 at standard scale).
const float lenience_adjust = 10 / CatchHitObject.OBJECT_RADIUS;
while (caughtObjectContainer.Any(f => Vector2Extensions.Distance(f.Position, position) < (displayRadius + radius_div_2) / (allowance / 2)))
float adjustedRadius = displayRadius * lenience_adjust;
float checkDistance = MathF.Pow(adjustedRadius, 2);
// offset fruit vertically to better place "above" the plate.
position.Y -= 5;
while (caughtObjectContainer.Any(f => Vector2Extensions.DistanceSquared(f.Position, position) < checkDistance))
{
float diff = (displayRadius + radius_div_2) / allowance;
position.X += (RNG.NextSingle() - 0.5f) * diff * 2;
position.Y -= RNG.NextSingle() * diff;
position.X += RNG.NextSingle(-adjustedRadius, adjustedRadius);
position.Y -= RNG.NextSingle(0, 5);
}
position.X = Math.Clamp(position.X, -CatcherArea.CATCHER_SIZE / 2, CatcherArea.CATCHER_SIZE / 2);
return position;
}