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Initial implementation of limited distance snap

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This commit is contained in:
smoogipoo
2019-11-06 14:55:05 +09:00
parent 52dba69a64
commit 020b08b450
6 changed files with 52 additions and 22 deletions
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12
osu.Game/Screens/Edit/Compose/Components/CircularDistanceSnapGrid.cs
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@ -12,8 +12,8 @@ namespace osu.Game.Screens.Edit.Compose.Components
{
public abstract class CircularDistanceSnapGrid : DistanceSnapGrid
{
protected CircularDistanceSnapGrid(HitObject hitObject, Vector2 centrePosition)
: base(hitObject, centrePosition)
protected CircularDistanceSnapGrid(HitObject hitObject, HitObject nextHitObject, Vector2 centrePosition)
: base(hitObject, nextHitObject, centrePosition)
{
}
@ -45,7 +45,7 @@ namespace osu.Game.Screens.Edit.Compose.Components
float dx = Math.Max(centrePosition.X, DrawWidth - centrePosition.X);
float dy = Math.Max(centrePosition.Y, DrawHeight - centrePosition.Y);
float maxDistance = new Vector2(dx, dy).Length;
int requiredCircles = (int)(maxDistance / DistanceSpacing);
int requiredCircles = Math.Min(MaxIntervals, (int)(maxDistance / DistanceSpacing));
for (int i = 0; i < requiredCircles; i++)
{
@ -65,15 +65,17 @@ namespace osu.Game.Screens.Edit.Compose.Components
public override (Vector2 position, double time) GetSnappedPosition(Vector2 position)
{
Vector2 direction = position - CentrePosition;
if (MaxIntervals == 0)
return (CentrePosition, StartTime);
Vector2 direction = position - CentrePosition;
if (direction == Vector2.Zero)
direction = new Vector2(0.001f, 0.001f);
float distance = direction.Length;
float radius = DistanceSpacing;
int radialCount = Math.Max(1, (int)Math.Round(distance / radius));
int radialCount = MathHelper.Clamp((int)Math.Round(distance / radius), 1, MaxIntervals);
Vector2 normalisedDirection = direction * new Vector2(1f / distance);
Vector2 snappedPosition = CentrePosition + normalisedDirection * radialCount * radius;