func (l *TextInstanceList) SetText(instance *render.Instance, text string, font *FontFace) (err error) {
var (
img draw.Image
sprite *sprites.Sprite
)
if instance == nil {
return // No error.
}
if img, err = font.GetImage(text); err != nil {
return
}
if err = l.sheet.Pack(text, img); err != nil {
// Attempt to compact the texture.
if err = l.repackImage(); err != nil {
return
}
if err = l.sheet.Pack(text, img); err != nil {
return
}
}
if sprite, err = l.sheet.Sprite(text); err != nil {
return
}
instance.Frame = sprite.Index()
instance.SetScale(sprite.WorldDimensions(l.cfg.PixelsPerUnit).Vec3(1.0))
instance.MarkChanged()
instance.Key = text
if err = l.generateTexture(); err != nil {
return
}
return
}
func (l *SpriteInstanceList) SetFrame(instance *render.Instance, frame string) (err error) {
var s *Sprite
if instance == nil {
return // No error
}
if s, err = l.sheet.Sprite(frame); err != nil {
return
}
instance.Frame = s.Index()
instance.SetScale(s.WorldDimensions(l.pixelsPerUnit).Vec3(1.0))
instance.MarkChanged()
instance.Key = frame
return
}