commonMain.dsl.TransformationWrapperBuilder.kt Maven / Gradle / Ivy
/*
* Copyright 2020-2022 Slawomir Czerwinski
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package graphics.glimpse.hud.dsl
import graphics.glimpse.hud.TransformationWrapper
import graphics.glimpse.types.Angle
import graphics.glimpse.types.Vec2
internal class TransformationWrapperBuilder(
parent: HudElementsBuilder,
private val translation: () -> Vec2,
private val rotation: () -> Angle,
private val scale: () -> Vec2,
private val delegate: HudElementsBuilderDelegate = HudElementsBuilderDelegate(parent)
) : HudElementsBuilder by delegate {
fun build(): TransformationWrapper =
TransformationWrapper(
checkNotNull(delegate.elements.singleOrNull()) {
"Transformation wrapper can only be applied to a single HUD element"
},
translation,
rotation,
scale
)
}