diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/animation/mod.rs | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/src/animation/mod.rs b/src/animation/mod.rs index b2f26b32..044ddd46 100644 --- a/src/animation/mod.rs +++ b/src/animation/mod.rs @@ -242,12 +242,21 @@ impl Animation { self.clock.now() >= self.start_time + self.clamped_duration } - pub fn value(&self) -> f64 { - if self.is_done() { + pub fn value_at(&self, at: Duration) -> f64 { + if at <= self.start_time { + // Return from when at == start_time so that when the animations are off, the behavior + // within a single event loop cycle (i.e. no time had passed since the start of an + // animation) matches the behavior when the animations are on. + return self.from; + } else if self.start_time + self.duration <= at { + return self.to; + } + + if self.clock.should_complete_instantly() { return self.to; } - let passed = self.clock.now().saturating_sub(self.start_time); + let passed = at.saturating_sub(self.start_time); match self.kind { Kind::Easing { curve } => { @@ -280,6 +289,10 @@ impl Animation { } } + pub fn value(&self) -> f64 { + self.value_at(self.clock.now()) + } + /// Returns a value that stops at the target value after first reaching it. /// /// Best effort; not always exactly precise. |