// Last edited on 2019-06-29 00:16:16 by jstolfi

// Tick-walled tubes:
#declare tx_thick = 
  texture{ 
    pigment{ color rgb < 0.100, 0.800, 1.000 > }
    finish{ diffuse 0.800 ambient 0.100 specular 0.500 roughness 0.005 }
  }

// Thin-walled tubes:
#declare tx_thin = 
  texture{ 
    pigment{ color rgb < 1.000, 0.870, 0.100 > }
    finish{ diffuse 0.800 ambient 0.100 specular 0.500 roughness 0.005 }
  }

// "L"-bars:
#declare tx_L_bar = 
  texture{ 
    pigment{ color rgb < 0.300, 0.700, 0.100 > }
    finish{ diffuse 0.800 ambient 0.100 specular 0.500 roughness 0.005 }
  }

// Wall plates:
#declare tx_plate = 
  texture{ 
    pigment{ color rgb < 0.850, 0.950, 1.000 > filter 0.500 }
    finish{ diffuse 0.500 reflection 0.000 ambient 0.020 specular 0.250 roughness 0.005 }
  }

// Cut surfaces:
#declare tx_cut = 
  texture{
    pigment{ color rgb < 1.000, 0.300, 0.000 > }
    finish{ diffuse 0.800 ambient 0.100 specular 0.500 roughness 0.005 }
  }

// Interior of tubes:
#declare tx_hollow = 
  texture{
    pigment{ color rgb < 0.400, 0.500, 0.450 > }
    finish{ diffuse 0.800 ambient 0.100 specular 0.500 roughness 0.005 }
  }

// Drawer rails:
#declare tx_rails = 
  texture{ 
    pigment{ color rgb < 0.700, 0.720, 0.750 > }
    finish{ diffuse 0.800 ambient 0.020 specular 0.250 roughness 0.005 }
  }

#declare tx_wood = 
  texture{
    pigment{ color rgb < 1.000, 0.900, 0.350 > }
    finish{ diffuse 0.900 ambient 0.100 }
  }

#declare tx_tile = 
  texture{
    pigment{ checker color rgb < 1.000, 0.980, 0.950 >, color rgb < 0.500, 0.350, 0.050 > }
    finish{ diffuse 0.850 ambient 0.100 specular 0.150 roughness 0.005 }
    scale 1000 
    translate < -200, -200, 8 >
  }

#declare tx_mirror = 
  texture{
    pigment{ color rgb < 1.000, 0.850, 0.300 > }
    finish{ diffuse 0.200 reflection 0.700*< 1.000, 0.850, 0.300 > ambient 0.100 }
  }

#declare tx_plexiglas = 
  texture{
    pigment{ color rgb < 0.650, 0.850, 1.000 > filter 0.700 }
    finish{ diffuse 0.030 reflection 0.250 ambient 0.020 specular 0.250 roughness 0.005 }
  }

#declare tx_glass = 
  texture{
    pigment{ color rgb < 0.850, 0.950, 1.000 > filter 0.700 }
    finish{ diffuse 0.030 reflection 0.250 ambient 0.020 specular 0.250 roughness 0.005 }
  }

// Floor tiles:
#declare tx_floor =
  texture{
    pigment{ checker color rgb < 0.600, 0.650, 0.750 >, color rgb < 0.800, 0.850, 0.900 > }
    finish{ diffuse 0.900 ambient 0.100 }
    scale 300.0
  }