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补充注释

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This commit is contained in:
ww-rm
2025-10-02 11:29:13 +08:00
parent e9b0ce3db2
commit 06694c9e89
1 changed files with 2 additions and 1 deletions
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3
Spine/Interfaces/SpineExtension.cs
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@@ -189,6 +189,7 @@ namespace Spine.Interfaces
float u = u0 * w0 + u1 * w1 + u2 * w2; float u = u0 * w0 + u1 * w1 + u2 * w2;
float v = v0 * w0 + v1 * w1 + v2 * w2; float v = v0 * w0 + v1 * w1 + v2 * w2;
// XXX: 如果贴图很大则 CopyToImage 比较耗时, 存在明显卡顿
SFML.Graphics.Image img = null; SFML.Graphics.Image img = null;
if (cache is not null) if (cache is not null)
{ {
@@ -202,7 +203,7 @@ namespace Spine.Interfaces
img = tex.CopyToImage(); img = tex.CopyToImage();
} }
var texSize = img.Size; var texSize = tex.Size;
var pixel = img.GetPixel((uint)(u * texSize.X), (uint)(v * texSize.Y)); var pixel = img.GetPixel((uint)(u * texSize.X), (uint)(v * texSize.Y));
bool hit = pixel.A > 0; bool hit = pixel.A > 0;