From 5a9c43bc6c155c19174b6a7297dbb86e2cb40d1e Mon Sep 17 00:00:00 2001
From: faiface <faiface@ksp.sk>
Date: Wed, 8 Mar 2017 19:19:02 +0100
Subject: [PATCH] fix Sprite for changing Picture bounds
---
graphics.go | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/graphics.go b/graphics.go
index e525ef1..2351944 100644
--- a/graphics.go
+++ b/graphics.go
@@ -2,8 +2,9 @@ package pixel
// Sprite is a drawable Picture. It's always anchored by the center of it's Picture.
type Sprite struct {
- tri *TrianglesData
- d Drawer
+ tri *TrianglesData
+ bounds Rect
+ d Drawer
}
// NewSprite creates a Sprite from the supplied Picture.
@@ -20,18 +21,17 @@ func NewSprite(pic Picture) *Sprite {
// SetPicture changes the Sprite's Picture. The new Picture may have a different size, everything
// works.
func (s *Sprite) SetPicture(pic Picture) {
- oldPic := s.d.Picture
s.d.Picture = pic
- if oldPic != nil && oldPic.Bounds() == pic.Bounds() {
+ if s.bounds == pic.Bounds() {
return
}
+ s.bounds = pic.Bounds()
var (
- bounds = pic.Bounds()
- center = bounds.Center()
- horizontal = V(bounds.W()/2, 0)
- vertical = V(0, bounds.H()/2)
+ center = s.bounds.Center()
+ horizontal = V(s.bounds.W()/2, 0)
+ vertical = V(0, s.bounds.H()/2)
)
(*s.tri)[0].Position = -horizontal - vertical
--
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