From 8a5692c1a1292b966609e4b05773e2d567e7b9b6 Mon Sep 17 00:00:00 2001
From: Kazhnuz <antoine@sortilege.net>
Date: Sun, 23 Jun 2019 14:23:51 +0200
Subject: [PATCH] feat(assets): add a way to get current relative frame

This function return the current frame relative to the first frame of
the current animation
---
 CHANGELOG.md                         | 3 +++
 gamecore/modules/assets/animator.lua | 4 ++++
 gamecore/modules/assets/sprites.lua  | 4 ++++
 3 files changed, 11 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4cfdb3e..53471b9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -13,6 +13,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 - **actor2D:** Add multiple hitbox support.
 
+- **assets:** Add a way to get current relative frame
+
+
 ### Changed
 
 - **world2D:** Use a list for bodies (hitboxes, etc) and one other for actors
diff --git a/gamecore/modules/assets/animator.lua b/gamecore/modules/assets/animator.lua
index 1498153..6aced5a 100644
--- a/gamecore/modules/assets/animator.lua
+++ b/gamecore/modules/assets/animator.lua
@@ -102,6 +102,10 @@ function Animator:getFrame()
   return self.frame
 end
 
+function Animator:getRelativeFrame()
+  return self.frame - (self.animationData.startAt) + 1
+end
+
 function Animator:animationExist(name)
   return (self.sprite.data.animations[self.currentAnimation] ~= nil)
 end
diff --git a/gamecore/modules/assets/sprites.lua b/gamecore/modules/assets/sprites.lua
index ddf4f89..63676a2 100644
--- a/gamecore/modules/assets/sprites.lua
+++ b/gamecore/modules/assets/sprites.lua
@@ -74,6 +74,10 @@ function Sprite:getDimensions()
   return self.tileset:getDimensions()
 end
 
+function Sprite:getRelativeFrame()
+  return self.animator:getRelativeFrame()
+end
+
 -- DRAW FUNCTIONS
 -- Draw sprites using these functions