a strange line with a triangle image

[raomuqi]

a strange line appear when i scale down a sprite equiped with a triangle image

[ArenMook]

When you scale sprites, parts of other nearby sprites within the atlas can show through. If you need a smaller version of that sprite, create a smaller version resized in Photoshop and add it as a separate sprite.

[raomuqi]

thanks ! 

but I run the application in window mode , with no constant value of size 。