From 567b6436c92a82f03bfb80ab641e61200a526c1c Mon Sep 17 00:00:00 2001 From: Hugo Locurcio Date: Mon, 20 Sep 2021 16:01:33 +0200 Subject: Improve the documentation for `ease()` and `smoothstep()` This adds a cheatsheet for `ease()` and a comparison graph for `smoothstep()`, among other things. --- doc/classes/@GlobalScope.xml | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) (limited to 'doc') diff --git a/doc/classes/@GlobalScope.xml b/doc/classes/@GlobalScope.xml index c47ce81651..aee9bf0be5 100644 --- a/doc/classes/@GlobalScope.xml +++ b/doc/classes/@GlobalScope.xml @@ -201,7 +201,18 @@ - Easing function, based on exponent. The curve values are: 0 is constant, 1 is linear, 0 to 1 is ease-in, 1+ is ease out. Negative values are in-out/out in. + Returns an "eased" value of [code]x[/code] based on an easing function defined with [code]curve[/code]. This easing function is based on an exponent. The [code]curve[/code] can be any floating-point number, with specific values leading to the following behaviors: + [codeblock] + - Lower than -1.0 (exclusive): Ease in-out + - 1.0: Linear + - Between -1.0 and 0.0 (exclusive): Ease out-in + - 0.0: Constant + - Between 0.0 to 1.0 (exclusive): Ease in + - 1.0: Linear + - Greater than 1.0 (exclusive): Ease out + [/codeblock] + [url=https://raw.githubusercontent.com/godotengine/godot-docs/master/img/ease_cheatsheet.png]ease() curve values cheatsheet[/url] + See also [method smoothstep]. If you need to perform more advanced transitions, use [Tween] or [AnimationPlayer]. @@ -795,6 +806,8 @@ smoothstep(0, 2, 1.0) # Returns 0.5 smoothstep(0, 2, 2.0) # Returns 1.0 [/codeblock] + Compared to [method ease] with a curve value of [code]-1.6521[/code], [method smoothstep] returns the smoothest possible curve with no sudden changes in the derivative. If you need to perform more advanced transitions, use [Tween] or [AnimationPlayer]. + [url=https://raw.githubusercontent.com/godotengine/godot-docs/master/img/smoothstep_ease_comparison.png]Comparison between smoothstep() and ease(x, -1.6521) return values[/url] -- cgit v1.2.3