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abdullh.alsoleman
Front-End
Commits
a6c4927b
Commit
a6c4927b
authored
Feb 17, 2016
by
P.Y. Laligand
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Added a few operators to the Velocity class.
#1968
parent
49c0ec34
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velocity_tracker.dart
packages/flutter/lib/src/gestures/velocity_tracker.dart
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packages/flutter/lib/src/gestures/velocity_tracker.dart
View file @
a6c4927b
...
...
@@ -218,6 +218,16 @@ class Velocity {
/// The number of pixels per second of velocity in the x and y directions.
final
Offset
pixelsPerSecond
;
Velocity
operator
-()
=>
new
Velocity
(
pixelsPerSecond:
-
pixelsPerSecond
);
Velocity
operator
-(
Velocity
other
)
{
return
new
Velocity
(
pixelsPerSecond:
pixelsPerSecond
-
other
.
pixelsPerSecond
);
}
Velocity
operator
+(
Velocity
other
)
{
return
new
Velocity
(
pixelsPerSecond:
pixelsPerSecond
+
other
.
pixelsPerSecond
);
}
bool
operator
==(
dynamic
other
)
{
if
(
other
is
!
Velocity
)
return
false
;
...
...
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