// Last edited on 2024-05-01 19:48:28 by stolfi

#macro scene()
  #local Q0 = < -5, -5, 0.1 >;
  #local Q1 = < +8, -2, 0.1 >;
  #local Q2 = < -8, +2, 0.1 >;
  #local Q3 = < +5, +5, 0.1 >;
  union{
    object{ bezarc(Q0, Q1, Q2, Q3, txs, txv) }
    box{ < -20, -20, -0.1 >, < +20, +20, -0.02 > texture{ txf } }
  }
#end