conco/OpenMaidEngine
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases 3 Wiki Activity

Fix ADV and BUNKI animation polish

Browse Source
This commit is contained in:
gamer147
2026-07-27 11:15:41 -04:00
parent 4b5b451df0
commit 9c99254a9a
11 changed files with 199 additions and 19 deletions
Download Patch File Download Diff File Expand all files Collapse all files

14
engine/Age.Engine/Model/Transform2DMath.cs
View File

@@ -31,6 +31,20 @@ public readonly record struct Affine2D(double XX, double XY, double YX, double Y
inverse = new(xx, xy, yx, yy, -(TX * xx + TY * yx), -(TX * xy + TY * yy));
return true;
}
/// <summary>Decompose the projected axes for a Godot-style canvas item. AGE's ordinary retained
/// transforms contain scale/rotation but no shear; the determinant preserves reflected Y axes.</summary>
public (double RotationRadians, double ScaleX, double ScaleY) DecomposeCanvasAxes()
{
double scaleX = System.Math.Sqrt(XX * XX + XY * XY);
double scaleY = System.Math.Sqrt(YX * YX + YY * YY);
double determinant = XX * YY - XY * YX;
if (determinant < 0) scaleY = -scaleY;
double rotation = scaleX > 1e-12
? System.Math.Atan2(XY, XX)
: System.Math.Atan2(-YX, YY);
return (rotation, scaleX, scaleY);
}
}
/// <summary>Exact 2D projection of AGE's row-vector retained-object matrix. Native call order is anchored