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[csharp] Port of commit d6adbe96. Allow calling RegionAttachment#updateRegion when region is null.

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This commit is contained in:
Harald Csaszar 2022-09-14 13:55:08 +02:00
parent 926612b104
commit b6e6712145
1 changed files with 19 additions and 7 deletions
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26
spine-csharp/src/Attachments/RegionAttachment.cs
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@ -93,6 +93,19 @@ namespace Spine {
/// <summary>Calculates the <see cref="Offset"/> and <see cref="UVs"/> using the region and the attachment's transform. Must be called if the
/// region, the region's properties, or the transform are changed.</summary>
public void UpdateRegion () {
float[] uvs = this.uvs;
if (region == null) {
uvs[BLX] = 0;
uvs[BLY] = 0;
uvs[ULX] = 1;
uvs[ULY] = 1;
uvs[URX] = 1;
uvs[URY] = 1;
uvs[BRX] = 1;
uvs[BRY] = 0;
return;
}
float width = Width;
float height = Height;
float localX2 = width / 2;
@ -142,25 +155,24 @@ namespace Spine {
offset[BRX] = localX2Cos - localYSin;
offset[BRY] = localYCos + localX2Sin;
float[] uvs = this.uvs;
if (rotated) {
uvs[URX] = region.u;
uvs[URY] = region.v2;
uvs[BRX] = region.u;
uvs[BRY] = region.v;
uvs[BLX] = region.u2;
uvs[BLY] = region.v;
uvs[ULX] = region.u2;
uvs[ULY] = region.v2;
uvs[URX] = region.u;
uvs[URY] = region.v2;
uvs[BRX] = region.u;
uvs[BRY] = region.v;
} else {
uvs[BLX] = region.u2;
uvs[BLY] = region.v2;
uvs[ULX] = region.u;
uvs[ULY] = region.v2;
uvs[URX] = region.u;
uvs[URY] = region.v;
uvs[BRX] = region.u2;
uvs[BRY] = region.v;
uvs[BLX] = region.u2;
uvs[BLY] = region.v2;
}
}