love.timer.step() now returns delta

CHANGELOG.md

@@ -5,6 +5,9 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html).
 
 ## 0.28.0 - Unreleased
+### Features
+- `love.timer.step()` now returns `dt`
+
 ### Fixes
 - Fixes undefined reference to `process_sinc_neon_asm()`
   - [#322](https://github.com/libretro/libretro-chailove/issues/322) found by [@ToKe79](https://github.com/ToKe79)

src/love/timer.cpp

@@ -10,7 +10,7 @@ float timer::getDelta() {
 	return m_delta;
 }
 
-void timer::step(float delta) {
+float timer::step(float delta) {
 	m_delta = delta;
 	m_deltaCounter += delta;
 	m_frameCounter++;
@@ -20,6 +20,8 @@ void timer::step(float delta) {
 		m_frameCounter = 0;
 		m_deltaCounter = 0;
 	}
+
+	return m_delta;
 }
 
 int timer::getFPS() {

src/love/timer.h

@@ -9,7 +9,7 @@ namespace love {
 class timer {
 	public:
 	timer();
-	void step(float delta);
+	float step(float delta);
 
 	/**
 	 * Returns the time between the last two frames.