GradientEffect class

Sweeps a multi-color gradient across the text over time.

Each character is tinted with a color from colors, animated so the gradient shifts horizontally (or vertically) as progress increases. Creates a flowing rainbow or brand-colored sweep effect.

Inheritance

Constructors

GradientEffect({Duration duration = const Duration(milliseconds: 2000), Curve curve = Curves.linear, List<Color> colors = const [Colors.blue, Colors.purple, Colors.pink], Axis direction = Axis.horizontal, Duration delayBetweenChars = Duration.zero})
Creates a gradient sweep animation across characters.
const

Properties

colors → List<Color>
Ordered list of colors for the gradient sweep.
final
curve → Curve
Curve applied to the animation timing for easing.
finalinherited
delayBetweenChars → Duration
Delay between each successive character's animation start.
finalinherited
direction → Axis
Direction of the gradient sweep (horizontal or vertical).
final
duration → Duration
Total duration of one full animation cycle for a single character.
finalinherited
hashCode → int
The hash code for this object.
no setterinherited
runtimeType → Type
A representation of the runtime type of the object.
no setterinherited

Methods

applyCurve(double t) → double
Applies the effect's curve to a linear value t (0.0–1.0).
inherited
getAnimations(double progress, int charCount) → List<CharacterAnimation>
Generates per-character animations by shifting the gradient position based on progress so the color band sweeps across the text.
override
getTotalDuration(int charCount) → Duration
Returns the total duration needed to animate all charCount characters.
override
noise(int index, [int offset = 0]) → double
Returns a deterministic pseudo-random value (0.0–1.0) for the given index and optional offset.
inherited
noSuchMethod(Invocation invocation) → dynamic
Invoked when a nonexistent method or property is accessed.
inherited
staggeredProgress(double globalProgress, int index, int charCount) → double
Computes the per-character progress for staggered animations.
inherited
toString() → String
A string representation of this object.
inherited

Operators

operator ==(Object other) → bool
The equality operator.
inherited