1 files changed, 18 insertions, 0 deletions

@@ -207,3 +207,21 @@ function DestroyNamedSprite(alias)
   local spriteId = getSpriteByAlias(alias)
   destroySprite(spriteId)
 end
+
+function AliasForSpriteExpression(spriteName)
+  return "expression (" .. spriteName .. ")"
+end
+
+function ShowExpression(spriteName, expression)
+  local spriteId = getSpriteByAlias(spriteName)
+  local sprite = getSprite(spriteId)
+  local animFrame = sprite:getCurrentFrame()
+  local x = sprite.loc:x()
+  local y = sprite.loc:y() - animFrame.center:y()
+
+  CreateAnimatedSpriteAtPosition(AliasForSpriteExpression(spriteName), "expression", x, y, expression, Direction.DOWN, SpriteLayer.ABOVE)
+end
+
+function RemoveExpression(spriteName)
+  DestroyNamedSprite(AliasForSpriteExpression(spriteName))
+end