commonMain.io.nacular.doodle.animation.transition.FixedDuration.kt Maven / Gradle / Ivy

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A pure Kotlin, UI framework for the Web

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package io.nacular.doodle.animation.transition

import io.nacular.doodle.animation.Moment
import io.nacular.measured.units.Measure
import io.nacular.measured.units.Time
import io.nacular.measured.units.Time.Companion.milliseconds
import io.nacular.measured.units.Units
import io.nacular.measured.units.times

/**
 * Created by Nicholas Eddy on 3/30/18.
 */
public abstract class FixedDuration(private val duration: Measure): Transition {
    init {
        (0 * milliseconds).let { require(duration >= it) { "duration must be >= $it" } }
    }

    override fun duration(initial: Moment): Measure = duration
}