steps-1 sunflow

// Write EisenScript code here...

//set seed 4 // single door

//set seed 13 // nice

 

set maxdepth 120

{ x 3.5 z -0.6 s 6 6 0.2 color #0F0 } box

stairsup

 

 

// Rules

rule stairsup { //climb three steps

stair

{ z 1 x -1 } stair

{ z 2 x -2 } stair

{ z 3 x -3 } stairsup

}

 

rule stairsup { // add corner - turn left

stair

{ z 1 x -1 } stair

{ z 1 x -1 } corner

{ rz 90 y 3 z 2 x -2 h 10 } stairsup

}

 

rule stairsup w 0.1 { // add corner - turn left + door

stair

{ x -3 z 3 } door

{ z 1 x -1 } stair

{ z 1 x -1 } corner

{ rz 90 y 3 z 2 x -2 h 10 } stairsup

}

 

rule stairsup { // add corner - turn right

stair

{ z 1 x -1 } stair

{ z 1 x -1 } corner

{ rz -90 y -3 z 2 x -2 h 10} stairsup

}

 

rule stairsup w 0.1 { // add corner - turn right + door

stair

{ x -3 z 3 } door

{ z 1 x -1 } stair

{ z 1 x -1 } corner

{ rz -90 y -3 z 2 x -2 h 10} stairsup

}

 

rule stairsup w 0.15 { // add corner - turn right and left

stair

corner

{ rz -90 y 2 z 1 x -2 y -4 h 10 sat 0.9 } stairsup

{ rz 90 y 2 z 1 x -2 h 10 sat 0.9 } stairsup

}

 

rule stairsup w 0.2 { // terminating door

stair

{ z 1 x -1 } stair

{ z 1 x -1 } corner

{ z 3 x -3 } door

}

 

 

// Stair

rule stair {

{ s 1 3 0.2 z 2 } box //step color #FF0

{ s 0.1 3 1 x 4.5 z -0.2 } box //riser

}

 

rule corner {

{ x -2 z 0.4 s 3 3 0.2 } box

}

 

rule door { // right opening

{ s 0.2 3 7 x -7 z 0.286 color #FFF } box

{ s 0.2 0.2 0.2 x -6 y -5 z 12 color #F00 } box

}

rule door w 0.2 { // left opening

{ s 0.2 3 7 x -7 z 0.286 color #FFF } box

{ s 0.2 0.2 0.2 x -6 y 5 z 12 color #F00 } box

}

Done