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osu-lazer/osu.Game.Rulesets.Catch/Edit/Blueprints/Components/PlacementEditablePath.cs
ekrctb bd3386e770 Fix previously placed vertices in juice stream placement
A different UX than not fixing vertices.
2021-07-23 10:18:37 +09:00

50 lines
1.7 KiB
C#

// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
using System;
using osu.Game.Rulesets.Catch.Objects;
using osuTK;
namespace osu.Game.Rulesets.Catch.Edit.Blueprints.Components
{
public class PlacementEditablePath : EditablePath
{
/// <summary>
/// The original position of the last added vertex.
/// This is not same as the last vertex of the current path because the vertex ordering can change.
/// </summary>
private JuiceStreamPathVertex lastVertex;
public PlacementEditablePath(Func<float, double> positionToDistance)
: base(positionToDistance)
{
}
public void AddNewVertex()
{
var endVertex = Vertices[^1];
int index = AddVertex(endVertex.Distance, endVertex.X);
for (int i = 0; i < VertexCount; i++)
{
VertexStates[i].IsSelected = i == index;
VertexStates[i].IsFixed = i != index;
VertexStates[i].VertexBeforeChange = Vertices[i];
}
lastVertex = Vertices[index];
}
/// <summary>
/// Move the vertex added by <see cref="AddNewVertex"/> in the last time.
/// </summary>
public void MoveLastVertex(Vector2 screenSpacePosition)
{
Vector2 position = ToRelativePosition(screenSpacePosition);
double distanceDelta = PositionToDistance(position.Y) - lastVertex.Distance;
float xDelta = position.X - lastVertex.X;
MoveSelectedVertices(distanceDelta, xDelta);
}
}
}