sim1222/osukey
1
1
Fork 0
mirror of https://github.com/osukey/osukey.git synced 2025-07-03 01:09:57 +09:00
Code Issues Packages Projects Releases Wiki Activity

Implement proper rotation algorithm for skin editor

Browse Source
This commit is contained in:
Dean Herbert
2021-05-20 18:21:16 +09:00
parent a55879e511
commit 27e81d6504
3 changed files with 57 additions and 31 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
osu.Game/Screens/Edit/Compose/Components/SelectionHandler.cs
View File

@ -14,6 +14,7 @@ using osu.Framework.Graphics.UserInterface;
using osu.Framework.Input;
using osu.Framework.Input.Bindings;
using osu.Framework.Input.Events;
using osu.Framework.Utils;
using osu.Game.Graphics;
using osu.Game.Graphics.UserInterface;
using osu.Game.Rulesets.Edit;
@ -353,6 +354,29 @@ namespace osu.Game.Screens.Edit.Compose.Components
#region Helper Methods
/// <summary>
/// Rotate a point around an arbitrary origin.
/// </summary>
/// <param name="point">The point.</param>
/// <param name="origin">The centre origin to rotate around.</param>
/// <param name="angle">The angle to rotate (in degrees).</param>
protected static Vector2 RotatePointAroundOrigin(Vector2 point, Vector2 origin, float angle)
{
angle = -angle;
point.X -= origin.X;
point.Y -= origin.Y;
Vector2 ret;
ret.X = point.X * MathF.Cos(MathUtils.DegreesToRadians(angle)) + point.Y * MathF.Sin(MathUtils.DegreesToRadians(angle));
ret.Y = point.X * -MathF.Sin(MathUtils.DegreesToRadians(angle)) + point.Y * MathF.Cos(MathUtils.DegreesToRadians(angle));
ret.X += origin.X;
ret.Y += origin.Y;
return ret;
}
/// <summary>
/// Given a flip direction, a surrounding quad for all selected objects, and a position,
/// will return the flipped position in screen space coordinates.