import static uk.co.nickthecoder.foocad.layout.v1.Layout2d.*
import static uk.co.nickthecoder.foocad.layout.v1.Layout3d.*
class ColdCanContraption : Model {
    
    @Custom
    var canD = 66

    @Custom
    var canHeight = 115

    @Custom
    var angle = 3.0

    @Custom
    var bottomCans = 4

    override fun build() : Shape3d {

        val bottomLength = canD*(bottomCans-1)

        val thickness = 4
        val pointR = thickness/2

        val innerR = canD*1.2
        val outerR = innerR + thickness

        val extraHeight = Degrees.tan( angle ) * bottomLength
        val thickerFront = 8

        val bottomSlope = PolygonBuilder().apply {
            moveTo(0,0)
            val foo = Degrees.sin(60)
            val bar = Degrees.cos(60)
            circularArcBy( (canD/2+thickness) *foo, (canD/2+thickness)*bar, canD/2+pointR, false, true )
            circularArcBy( -pointR*2*foo, pointR*2*bar, pointR, false, true )
            circularArcBy( -canD/2*foo, -canD/2*bar, canD/2, false, false )

            lineBy( -bottomLength, extraHeight )

            circularArcBy( -innerR, innerR, innerR, false, false )
            circularArcBy( -pointR*2, 0, pointR, false, true )
            circularArcBy( outerR, -outerR - extraHeight, outerR, false, true )
            
        }.build()

        val topLength = bottomLength - canD*0.1
        val topLine = PolygonBuilder().apply {
            moveTo(0,0)
            lineBy( topLength - canD/2, 0 )
            bezierBy( Vector2( canD/8, 0 ), Vector2(canD/4, canD*0.1), Vector2(canD/2, canD*0.1) )
        }.buildPath().thickness(thickness)
        val topSlope = topLine.rotate(angle).roundAllCorners(thickness/2)
            .leftTo(-bottomLength-canD*0.15)
            .translateY( canD + thickness + extraHeight + thickness) // Slack is "thickness"

        val can = Cylinder( canHeight, canD/2 ).previewOnly()
        val bottomCans = can.tileX(4).mirrorX().rotateZ(-angle).translateY(canD/2+thickness)
        val midCan = can.leftTo( -bottomLength-innerR ).frontTo(canD*0.95)
        val topCans = can.tileX(3).translateX(canD*0.75).rotateZ(180+angle).translateY(canD*2)
        val cans = bottomCans + midCan + topCans
        

        return bottomSlope.extrude( 20 ).color("Green") +
            topSlope.extrude( 20 ).color( "Green" ) +
            cans +
            Cube( 1, thickness, 22 ) +
            Cube( 1, thickness + extraHeight, 22 ).leftTo( -bottomLength )

    }
}