Path.foocad

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

class Path : Model {
    
    val brick = Cube( 96, 196, 50 ).translate(2,2,0).label( "brick" );
    val offset = 50//200/3

    fun across() = brick +
        brick.translate( 100, offset, 0 ) +
        brick.translate( 200, offset*2, 0 ) +
        brick.translate( 300, offset*3, 0 ) +
        brick.translate( 400, offset*2, 0 ) +
        brick.translate( 500, offset, 0 ) +
        brick.translate( 600, 0, 0 )

    fun path( length : int ) : Shape3d {
        return across().translate( 0, -200, 0 ).repeatY( length+1, 200 )
    }

    fun croppedPath( length : int ) : Shape3d {
        return path( length ).intersection( Cube( 700, 200 * length, 2 + 50 ).translate(0,0,-1) )
    }
   
    override fun build() : Shape3d {
         val foo = 0.41

         val crop1 = PolygonBuilder()
            .moveTo( 0, 0 )
            .lineTo( 700, 0 )
            .lineTo( 700, 200 * 4 - 700 * foo - 40)
            .lineTo( 0, 200 * 4  - 40)
            .build().extrude(51).translate(0,0,-1)
        val crop2 = PolygonBuilder()
            .moveTo( 0, 0 )
            .lineTo( 700, 700 * foo )
            .lineTo( 700, 200 * 10)
            .lineTo( 0, 200 * 10 - 700 * foo )
            .build().extrude(51).translate(0,0,-1)
        val crop3 = PolygonBuilder()
            .moveTo( 0, 700 * foo )
            .lineTo( 700, 0 )
            .lineTo( 700, 200 * 4)
            .lineTo( 0, 200 * 4 )
            .build().extrude(51).translate(0,0,-1)

        return path( 4 ).intersection( crop1 ) +
            path( 11 ).translate(0,-50,0).intersection( crop2 ).rotate( 0,0,-45 ).translate( 0, 770, 0) +
            path( 4 ).translate(0,-50,0).intersection( crop3 ).translate( 1210, 1700, 0 )
        
    }

}