shapes-dsl-collection-reduce-sample.kt

panel {
    val shapes = mutableListOf<Shape>()
    
    repeat(5) {
        shapes.add(when ((1..3).random()) {
            1 -> square {
                lines = 5
                char = 'a' + it
            }
            2 -> triangle {
                lines = 5
                char = 'a' + it
            }
            else -> rhombus {
                lines = 5
                char = 'a' + it
            }
        })
        space()
    }
    
    composed {
        shapes.reduce { composedShape, shape ->
            if (Random.nextBoolean()) composedShape intersection shape else shape intersection composedShape
        } as ComposedShape
    }
}.print()