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- main/kotlin/com/almasb/fxgl/dsl/components
- test/kotlin/com/almasb/fxgl/dsl/components

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 @@ -47,13 +47,18 @@ abstract class RechargeableDoubleComponent

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 ) : DoubleComponent(initialValue) {

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 private val maxValueProp = SimpleDoubleProperty(maxValue)

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 private val valuePercentBinding = valueProperty().divide(maxValueProp).multiply(100)

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 fun maxValueProperty() = maxValueProp

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 fun valuePercentProperty() = valuePercentBinding

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 var maxValue: Double

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 get() = maxValueProp.value

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 set(value) { maxValueProp.value = value }

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 val valuePercent: Double

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 get() = valuePercentBinding.value

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/**

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  * Set component value to 0.

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*/

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 @@ -155,4 +155,16 @@ class RechargeableDoubleComponentTest {

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 assertThat(value, `is`(30.0))

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 assertThat(zero, `is`(false))

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 @Test

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 fun `value in percent`() {

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 hp.value = 10.0

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 hp.maxValue = 100.0

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 assertThat(hp.valuePercent, `is`(10.0))

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 hp.maxValue = 50.0

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 assertThat(hp.valuePercent, `is`(20.0))

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 }

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