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fix Sprite.SetPicture

This commit is contained in:
faiface 2017-01-25 19:55:41 +01:00
parent 7f5a21cd3c
commit cf4ab7e36a
1 changed files with 6 additions and 1 deletions
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7
graphics.go
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@ -185,6 +185,11 @@ func NewSprite(pic *Picture) *Sprite {
// SetPicture changes the Picture of the Sprite and resizes it accordingly. // SetPicture changes the Picture of the Sprite and resizes it accordingly.
func (s *Sprite) SetPicture(pic *Picture) { func (s *Sprite) SetPicture(pic *Picture) {
oldPic := s.pic
s.pic = pic
if oldPic.Bounds().Size == pic.Bounds().Size {
return
}
w, h := pic.Bounds().Size.XY() w, h := pic.Bounds().Size.XY()
(*s.data)[0].Position = V(0, 0) (*s.data)[0].Position = V(0, 0)
(*s.data)[2].Position = V(w, h) (*s.data)[2].Position = V(w, h)
@ -192,7 +197,7 @@ func (s *Sprite) SetPicture(pic *Picture) {
(*s.data)[3].Position = V(0, 0) (*s.data)[3].Position = V(0, 0)
(*s.data)[4].Position = V(w, h) (*s.data)[4].Position = V(w, h)
(*s.data)[5].Position = V(0, h) (*s.data)[5].Position = V(0, h)
s.pic = pic s.td.dirty = true
} }
// Picture returns the current Picture of the Sprite. // Picture returns the current Picture of the Sprite.