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xss-dimmer: even more easing functions

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Vincent Bernat 2021-09-29 07:12:03 +02:00
parent dc6c2f05ff
commit 7f04bb6cf0
1 changed files with 22 additions and 1 deletions
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23
bin/xss-dimmer
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@ -115,9 +115,30 @@ easing_functions = {
"ease-out-quint": lambda x: 1 - pow(1 - x, 5),
"ease-out-expo": lambda x: 1 - pow(2, -10 * x),
"ease-out-quad": lambda x: 1 - (1 - x) * (1 - x),
"ease-out-bounce": (
lambda n1, d1: lambda x: n1 * x * x
if x < 1 / d1
else n1 * pow(x - 1.5 / d1, 2) + 0.75
if x < 2 / d1
else n1 * pow(x - 2.25 / d1, 2) + 0.9375
if (x < 2.5 / d1)
else n1 * pow(x - 2.625 / d1, 2) + 0.984375
)(7.5625, 2.75),
"ease-out-elastic": (
lambda x: pow(2, -10 * x) * math.sin((x * 10 - 0.75) * (2 * math.pi) / 3) + 1
),
"ease-inout-quad": lambda x: 2 * x * x if x < 0.5 else 1 - pow(-2 * x + 2, 2) / 2,
"ease-inout-quart": (
lambda x: 8 * x * x * x * x if x < 0.5 else 1 - pow(-2 * x + 2, 4) / 2
),
"ease-inout-expo": (
lambda x: pow(2, 20 * x - 10) / 2 if x < 0.5 else (2 - pow(2, -20 * x + 10)) / 2
),
"ease-inout-bounce": (
lambda x: (1 - easing_functions["ease-out-bounce"](1 - 2 * x)) / 2
if x < 0.5
else (1 + easing_functions["ease-out-bounce"](2 * x - 1)) / 2
),
}
if __name__ == "__main__":
@ -133,7 +154,7 @@ if __name__ == "__main__":
add("--background", help="use a background instead of black")
add(
"--easing-function",
default="ease-out-circ",
default="ease-out-bounce",
choices=easing_functions.keys(),
help="easing function for opacity",
)