1 files changed, 14 insertions, 0 deletions

@@ -579,6 +579,20 @@ function FaceTowardSpriteCardinally(spriteName, targetName)
   SetDirection(spriteName, dir)
 end
 
+--- Checks whether the given sprite is facing another sprite.
+-- @param spriteName the name of the sprite whose facing direction is relevant
+-- @param targetName the name of the sprite that is or isn't being looked at
+function IsFacingTowardSprite(spriteName, targetName)
+  local spriteId = getSpriteByAlias(spriteName)
+  local targetId = getSpriteByAlias(targetName)
+  local sprite = getSprite(spriteId)
+  local target = getSprite(targetId)
+  local diff = vec2i.new(target.loc:x() - sprite.loc:x(), target.loc:y() - sprite.loc:y())
+  local dir = directionFacingPoint(diff)
+
+  return sprite.dir == dir
+end
+
 --- Detaches the sprite's followers and erases their following trails.
 function BreakUpParty(spriteName)
   local spriteId = getSpriteByAlias(spriteName)