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Simplify time delta helper

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This commit is contained in:
Christian Rocha 2021-07-13 20:39:37 -04:00
parent d56f9e806c
commit c6198b0130
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1 changed files with 3 additions and 4 deletions
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7
harmonica.go
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@ -55,16 +55,15 @@ import (
"time"
)
// FPS returns a time delta for a given number of frames per second. This value
// can be used as the time delta when initializing a Spring.
// FPS returns a time delta for a given number of frames per second. This
// value can be used as the time delta when initializing a Spring.
//
// Example:
//
// spring := NewSpring(FPS(60), 0.8, 0.98)
//
func FPS(n int) float64 {
d := time.Second / time.Duration(n)
return float64(int64(d)) / float64(int64(time.Second))
return (time.Second / time.Duration(n)).Seconds()
}
// In calculus ε is (in vague terms) an arbitrarily small positive number. In