/Bike/BackLightExtension.foocad

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

class BackLightExtension : AbstractModel() {

    @Custom( about="The distance between the screw holes" )
    var holeDistance = 60

    @Custom( about="The length of the extension" )
    var extension = 90 // Was 80

    @Custom
    var height = 14

    @Piece
    meth newVersion() : Shape3d {
        val thickness = 12
        val largeR = 70
        val down = 70
        val path = PolygonBuilder().apply {
            moveTo(0,thickness/2)
            lineBy( 0, -down + largeR - thickness)
            circularArcBy( Vector2( largeR, -largeR ), largeR, false, true )
            lineBy( extension - largeR - thickness/2, 0 )
        }.buildPath()

        val profile = Square(thickness, holeDistance + thickness*2 ).center()
            .roundAllCorners(1,1)

        val main = profile.extrude(path)

        val holes = Cylinder( thickness, 5.5/2 )
            .rotateY(90)
            .translate( -12/2, -12/2, 0 )
            .translateZ(-holeDistance/2).translateZ(holeDistance).also()
            .translate( extension-thickness, -down, 0).also()

        val foo = Cube( 1, 50, 1 ).previewOnly().backTo(0)
        return (main - holes).bottomTo(0) + foo
    }

    @Piece
    meth testNewShape() = newVersion().intersection( Cube( 300 ).centerXY().topTo(1) )

    @Piece
    meth oldVersion() : Shape3d {
        val solid = Square( holeDistance + 20, extension )
            .center()
            .roundAllCorners(4)
            .chamferedExtrude( height, 1 )

        val diameter = 5.5
        val hole = Circle( diameter/2 )
            .chamferedExtrude( extension, -1, -1 )
            .center()
            .rotateX(90)
            .translate( holeDistance/2, 0, height/2 )

        val holes = hole.mirrorX().also()

        /*
        val extraLayers = Cube( 0.3, extension, 0.3 )
            .spreadX( 4, diameter )
            .centerY()
            .centerXTo( holeDistance/2 )
            .bottomTo( height/4 - diameter/4 )
            .topTo( height - height/4 + diameter/4 ).also()
            .mirrorX().also()
            .color("Red")
        */
        return solid /*- extraLayers*/ - holes
    }

    override meth build() : Shape3d {
        return newVersion()
    }
}