commonMain.adjust.ContourAdjusterVertex.kt Maven / Gradle / Ivy
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package org.openrndr.extra.shapes.adjust
import org.openrndr.extra.shapes.vertex.ContourVertex
import org.openrndr.math.Vector2
class ContourAdjusterVertex(val contourAdjuster: ContourAdjuster, val segmentIndex: () -> Int) {
fun wrap(block: ContourVertex.() -> ContourVertex) {
val newVertex = ContourVertex(contourAdjuster.contour, segmentIndex()).block()
contourAdjuster.contour = newVertex.contour
contourAdjuster.updateSelection(newVertex.adjustments)
}
val previous: ContourAdjusterVertex?
get() {
return if (contourAdjuster.contour.closed || segmentIndex() > 0) {
ContourAdjusterVertex(contourAdjuster, { (segmentIndex() - 1).mod(contourAdjuster.contour.segments.size) })
} else {
null
}
}
val next: ContourAdjusterVertex?
get() {
return if (contourAdjuster.contour.closed || segmentIndex() < contourAdjuster.contour.segments.size-1) {
ContourAdjusterVertex(contourAdjuster, { (segmentIndex() + 1).mod(contourAdjuster.contour.segments.size) })
} else {
null
}
}
val t: Double
get() = ContourVertex(contourAdjuster.contour, segmentIndex(), emptyList()).t
val position: Vector2
get() = ContourVertex(contourAdjuster.contour, segmentIndex(), emptyList()).position
val normal: Vector2
get() = ContourVertex(contourAdjuster.contour, segmentIndex(), emptyList()).normal
fun select() {
contourAdjuster.selectVertex(segmentIndex())
}
val controlIn: Vector2?
get() = ContourVertex(contourAdjuster.contour, segmentIndex()).controlIn
val controlOut: Vector2?
get() = ContourVertex(contourAdjuster.contour, segmentIndex()).controlOut
fun remove(updateTangents: Boolean = true) = wrap { remove(updateTangents) }
fun moveControlInBy(translation: Vector2) = wrap { controlInMovedBy(translation) }
fun moveControlOutBy(translation: Vector2) = wrap { controlOutMovedBy(translation) }
fun moveBy(translation: Vector2, updateTangents: Boolean = true) = wrap { movedBy(translation, updateTangents) }
fun moveTo(position: Vector2, updateTangents: Boolean = true) = wrap { movedBy(position - this.position, updateTangents) }
fun rotate(rotationInDegrees: Double) = wrap { rotatedBy(rotationInDegrees) }
fun scale(scaleFactor: Double) = wrap { scaledBy(scaleFactor) }
fun rotate(rotationInDegrees: Double, anchor: Vector2) = wrap { rotatedBy(rotationInDegrees, anchor) }
fun scale(scaleFactor: Double, anchor: Vector2) = wrap { scaledBy(scaleFactor, anchor) }
}
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