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Sprite: Fix visibility calculation

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The previous code assumed the scene origin to always be 0,0.
This commit is contained in:
Jonas Kulla 2015-02-04 15:17:45 +01:00
parent e339964076
commit 4864f63c6c
1 changed files with 5 additions and 2 deletions
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7
src/sprite.cpp
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@ -58,6 +58,7 @@ struct SpritePrivate
BlendType blendType;
SDL_Rect sceneRect;
Vec2i sceneOrig;
/* Would this sprite be visible on
* the screen if drawn? */
@ -183,8 +184,8 @@ struct SpritePrivate
}
SDL_Rect self;
self.x = trans.getPosition().x - trans.getOrigin().x;
self.y = trans.getPosition().y - trans.getOrigin().y;
self.x = trans.getPosition().x - (trans.getOrigin().x + sceneOrig.x);
self.y = trans.getPosition().y - (trans.getOrigin().y + sceneOrig.y);
self.w = bitmap->width();
self.h = bitmap->height();
@ -583,6 +584,8 @@ void Sprite::onGeometryChange(const Scene::Geometry &geo)
p->sceneRect.w = geo.rect.w;
p->sceneRect.h = geo.rect.h;
p->sceneOrig.x = geo.xOrigin;
p->sceneOrig.y = geo.yOrigin;
}
void Sprite::releaseResources()