effects.hpp File Reference

Effects that can be applied to jngl::Widget. More...

#include "Vec2.hpp"
#include <cstdint>
#include <functional>

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Classes
class	Effect
	Base class for effects that can be applied to jngl::Widget. More...
class	UpdateModelview
class	Zoom
	Scales the ModelView matrix. More...
class	Executor
	Executes a specific action, e.g. removes the Widget. More...
class	Move

Namespaces
namespace	jngl
	JNGL's main namespace.

Functions
float	linear (float)
	Easing functions f(t) mapping t in [0, 1] to a value in [0, 1] (values outside this range are clamped).
float	elastic (float)
	Overshoots past 1 and oscillates back, like a spring settling into place.
float	cubic (float)
	Ease-out: starts fast, decelerates into the target (1 - (1 - t)^3).
float	expo (float)
	Ease-out like cubic(), but with a sharper start and flatter tail.

Detailed Description

Effects that can be applied to jngl::Widget.

Definition in file effects.hpp.

Function Documentation

linear()

float linear

(

float

)

Easing functions f(t) mapping t in [0, 1] to a value in [0, 1] (values outside this range are clamped).

They share the same shape: f(0) == 0 and f(1) == 1, only the path between differs. Constant speed, no easing.

1| / | / | / | / 0|/_________ 0 1

elastic()

float elastic

(

float

)

Overshoots past 1 and oscillates back, like a spring settling into place.

1| /\ ___ | / \/ | / | / 0|/_________ 0 1

cubic()

float cubic

(

float

)

Ease-out: starts fast, decelerates into the target (1 - (1 - t)^3).

1| ____-— | / | / | / 0|/_________ 0 1

expo()

float expo

(

float

)

Ease-out like cubic(), but with a sharper start and flatter tail.

1| _------— |/ | | 0|__________ 0 1