/Bathroom/LooRollBin.foocad

import static uk.co.nickthecoder.foocad.layout.v1.Layout2d.*
import static uk.co.nickthecoder.foocad.layout.v1.Layout3d.*

include Bin.foocad

class LooRollBin : Model {

    // The rolls I buy are 100x100
    @Custom( about="Diameter and height of a loo roll" )
    var rollSize = Vector2( 100, 100 )

    @Custom( about="Number of rolls high" )
    var rollsZ = 2

    @Custom
    var margin = Vector2( 10, 10 )

    fun bin() = CustomBin( rollSize, margin ).apply {
        size = Vector3(
            rollSize.x,
            rollSize.x,
            rollSize.y * rollsZ + margin.y + lidHeight + lipSize.y + thickness
        )
    }

    @Piece
    fun knob() = bin().knob()

    @Piece
    fun main() = bin().main()

    @Piece
    fun lid() = bin().lid()

    @Piece
    fun foot() = bin().foot()

    override fun build() : Shape3d {
        val bin = bin()
        val rolls = Cylinder( rollSize.y, rollSize.x / 2 )
            .tileX(2, 5)
            .tileZ(rollsZ)
            .bottomTo( bin.baseThickness )
            .centerX()
            .previewOnly()

        return bin.build() + rolls
    }
}

/**
 * Changes the cross-section of the bin from a circle to
 * something appropriate to hold 2 loo rolls next to each other.
 */
class CustomBin( val rollSize : Vector2, val margin : Vector2 ) : Bin() {

    override fun profile() : Shape2d {
        val one = Circle( rollSize.x / 2 + margin.x + thickness ).leftTo(0)
        return one hull one.mirrorX()
    }

}