更新圆角Effect的注释

2020-01-14 21:53:04 +08:00 · 2020-01-14 21:53:04 +08:00 · deebc64aa2
commit deebc64aa2
parent 4ca3fe34b0
1 changed files with 1 additions and 1 deletions
--- a/assets/effects/sprite-round-corner-crop.effect
+++ b/assets/effects/sprite-round-corner-crop.effect
@ -99,7 +99,7 @@ CCProgram fs %{
    // 约束圆角半径范围在 [0.0, 0.5]
    float radius = clamp(0.0, 0.5, roundCornerRadius);

-    // 将纹理uv往左下偏移，实现偏移后的纹理中心点在 OpenGL 坐标系的原点
+    // 将纹理uv往左上偏移，实现偏移后的坐标系原点在纹理中心
    vec2 uv = v_uv0.xy - vec2(0.5, 0.5);

    // uv.x , uv.y :              为偏移后的的uv