// ## CAMERA ##
camera {
   location <0,0,5>
   look_at  <0,0,0>
}

// ## GLOBAL DECLARE OF INTERVALS FOR MEDIA ##
#declare m_interv = 50;

// ## WAVE FROM EXPLOSION ##

#declare ilum1 = 0.5;
#declare ilum2 = 2;
#declare ilum3 = 8;
#declare wrinkles_scal = 0.03;
#declare g_str = 0.5;
#declare cyl_siz = 0.3;

cylinder {
   <0,cyl_siz,0> <0,-cyl_siz,0>,4
   material {
      texture {
         pigment { color rgbt 1 }
         finish { ambient 0 diffuse 0}
      }
      interior {
         media {
            intervals m_interv 
            emission 1
            density {
               onion
               density_map {
                  [ 0.60 color rgb <0,0,0> ]
                  [ 0.80
                     average
                     density_map {
                        [ g_str
                           gradient y
                           color_map {
                              [ 0.0 color rgb <1,1,0.5>*ilum1 ]
                              [ 0.2 color rgb <1,0.2,0.1>*ilum1 ]
                              [ 0.4 color rgb <0.5,0.1,0>*ilum1 ]
                              [ 0.7 color rgb <0.1,0,0>*ilum1 ]
                           }
                           scale cyl_siz
                           turbulence 0.05
                           octaves 8
                           lambda 5
                           omega 0.6
                        ]
                        [ 1
                           wrinkles
                           color_map {
                              [ 0.0 color rgb <1,1,0.5>*ilum1 ]
                              [ 0.2 color rgb <1,0.6,0.1>*ilum1 ]
                              [ 0.4 color rgb <0.7,0.3,0>*ilum1 ]
                              [ 0.7 color rgb <0.1,0,0>*ilum1 ]
                           }
                           scale wrinkles_scal
                           warp {
                              black_hole <0,0,0>,0.9
                              falloff 1.5
                              strength 2
                           }
                           warp {
                              black_hole <0,0,0>,1.1
                              falloff 1.5
                              strength 2
                           }
                           turbulence 0.2
                           octaves 8
                           lambda 4
                           omega 0.3
                        ]
                     }
                  ]
                  [ 0.90
                     average
                     density_map {
                        [ g_str
                           gradient y
                           color_map {
                              [ 0.15 color rgb <1,1,0.8>*ilum2 ]
                              [ 0.2 color rgb <0.8,0.2,0.1>*ilum2 ]
                              [ 0.4 color rgb <0.3,0.1,0>*ilum2 ]
                              [ 0.7 color rgb <0,0,0>*ilum2 ]
                           }
                           scale cyl_siz
                           triangle_wave
                           turbulence 0.05
                           octaves 8
                           lambda 5
                           omega 0.6
                        ]
                        [ 1
                           wrinkles
                           color_map {
                              [ 0.15 color rgb <1,1,0.8>*ilum2 ]
                              [ 0.2 color rgb <0.7,0.4,0.1>*ilum2 ]
                              [ 0.4 color rgb <0.4,0.1,0>*ilum2 ]
                              [ 0.7 color rgb <0.1,0,0>*ilum2 ]
                           }
                           scale wrinkles_scal
                           warp {
                              black_hole <0,0,0>,0.9
                              falloff 1.5
                              strength 2
                           }
                           warp {
                              black_hole <0,0,0>,1.1
                              falloff 1.5
                              strength 2
                           }
                           turbulence 0.2
                           octaves 8
                           lambda 4
                           omega 0.3
                        ]
                     }
                  ]
                  [ 0.95
                     average
                     density_map {
                        [ g_str
                           gradient y
                           color_map {
                              [ 0.15 color rgb <1,1,0.8>*ilum3 ]
                              [ 0.2 color rgb <0.8,0.2,0.1>*ilum3 ]
                              [ 0.4 color rgb <0.3,0.1,0>*ilum3 ]
                              [ 0.7 color rgb <0,0,0>*ilum3 ]
                           }
                           scale cyl_siz
                           triangle_wave
                           turbulence 0.05
                           octaves 8
                           lambda 5
                           omega 0.6
                        ]
                        [ 1
                           wrinkles
                           color_map {
                              [ 0.15 color rgb <1,1,0.8>*ilum3 ]
                              [ 0.2 color rgb <0.7,0.4,0.1>*ilum3 ]
                              [ 0.4 color rgb <0.4,0.1,0>*ilum3 ]
                              [ 0.7 color rgb <0.1,0,0>*ilum3 ]
                           }
                           scale wrinkles_scal
                           warp {
                              black_hole <0,0,0>,0.9
                              falloff 1.5
                              strength 2
                           }
                           warp {
                              black_hole <0,0,0>,1.1
                              falloff 1.5
                              strength 2
                           }
                           turbulence 0.2
                           octaves 8
                           lambda 4
                           omega 0.3
                        ]
                     }
                  ]
               }
               scale 4
            }   
         }
      }
   }
   rotate x*10
   rotate z*30
   hollow
}

// ## FIRST EXPLOSION ## 

sphere {
   <0,0,0>,2.2
   material {
      texture {
         pigment { color rgbt 1 }
         finish { ambient 0 diffuse 0 }
      }
      
      interior {
         media {
            emission 0.15
            intervals m_interv 
            density {
               spherical
               color_map {
                [ 0.0 color rgb <0.2,0,0> transmit 0.8 ]
                [ 0.4 color rgb <0.7,0.15,0> transmit 0.8 ]
                [ 0.7 color rgb <1,1,0> transmit 0.6 ]
                [ 0.9 color rgb <1,1,1> transmit 0.4 ]
                [ 1.0 color rgb <1,1,1> transmit 0.2 ]
               }
               turbulence 0.3
               octaves 8
               lambda 4
               omega 0.5
            }
            scale 1.8
         }
      }
      interior {
         media {
            emission 1
            intervals m_interv 
            density {
               spherical
               density_map {
                [ 0.0 color rgb <0,0,0> transmit 0 ]
                [ 0.1 color rgb <0.3,0.2,0>*0.2 ]
                [ 0.3
                   average
                   density_map {
                       [ 1
                           bumps
                           color_map {
                              [ 0.70 color rgb 0 transmit 1 ]
                              [ 0.80 color rgbt <0.5,0,0,0.8> ]
                              [ 0.85 color rgbt <1,1,0,0.6> ]
                              [ 0.90 color rgbt <1,1,1,0.4> ]
                           }
                           frequency 1
                           scale 0.1
                           warp {
                              black_hole <0,0,0>,1.5
                              falloff 2
                              strength 2.0
                           }
                       ]
                       [ 1
                           bumps
                           color_map {
                              [ 0.70 color rgb 0 transmit 1 ]
                              [ 0.80 color rgbt <0.5,0,0,0.8> ]
                              [ 0.85 color rgbt <1,1,0,0.6> ]
                              [ 0.90 color rgbt <1,1,1,0.4> ]
                           }
                           frequency 2
                           scale 0.5
                           warp {
                              black_hole <0,0,0>,1.5
                              falloff 2
                              strength 2.0
                           }
                       ]
                       [ 0.5
                           wrinkles
                           color_map {
                              [ 0.70 color rgb 0 transmit 1 ]
                              [ 0.80 color rgbt <0.5,0,0,0.8> ]
                              [ 0.85 color rgbt <1,1,0,0.6> ]
                              [ 0.90 color rgbt <1,1,1,0.4> ]
                           }
                           frequency 2
                           scale 0.4
                           warp {
                              black_hole <0,0,0>,1.5
                              falloff 2
                              strength 2.0
                           }
                       ]
                   }
                ]
                [ 0.4
                   average
                   density_map {
                       [ 1
                           bumps
                           color_map {
                              [ 0.50 color rgb 0 transmit 1 ]
                              [ 0.70 color rgbt <0.5,0,0,0.5> ]
                              [ 0.75 color rgbt <1,1,0,0.2> ]
                              [ 0.80 color rgb <1,1,1> ]
                           }
                           frequency 1
                           scale 0.1
                           warp {
                              black_hole <0,0,0>,1.5
                              falloff 2
                              strength 2.0
                           }
                       ]
                       [ 1
                           bumps
                           color_map {
                              [ 0.50 color rgb 0 transmit 1 ]
                              [ 0.70 color rgbt <0.5,0,0,0.5> ]
                              [ 0.75 color rgbt <1,1,0,0.2> ]
                              [ 0.80 color rgb <1,1,1> ]
                           }
                           frequency 2
                           scale 0.5
                           warp {
                              black_hole <0,0,0>,1.5
                              falloff 2
                              strength 2.0
                           }
                       ]
                       [ 0.5
                           wrinkles
                           color_map {
                              [ 0.50 color rgb 0 transmit 1 ]
                              [ 0.70 color rgbt <0.5,0,0,0.5> ]
                              [ 0.75 color rgbt <1,1,0,0.2> ]
                              [ 0.80 color rgb <1,1,1> ]
                           }
                           frequency 2
                           scale 0.4
                           warp {
                              black_hole <0,0,0>,1.5
                              falloff 2
                              strength 2.0
                           }
                       ]
                   }
                ]
                [ 0.8
                   average
                   density_map {
                       [ 1
                           bumps
                           color_map {
                              [ 0.3 color rgbt <0.5,0,0,0.8> ]
                              [ 0.5 color rgbt <1,1,0,0.5> ]
                              [ 0.6 color rgb <1,1,1>*2 ]
                           }
                           scale 0.1
                           warp {
                              black_hole <0,0,0>,1.5
                              falloff 2
                              strength 4.0
                           }
                       ]
                       [ 1
                           bumps
                           color_map {
                              [ 0.3 color rgbt <0.5,0,0,0.8> ]
                              [ 0.5 color rgbt <1,1,0,0.5> ]
                              [ 0.6 color rgb <1,1,1>*2 ]
                           }
                           scale 0.5
                           warp {
                              black_hole <0,0,0>,1.5
                              falloff 2
                              strength 4.0
                           }
                       ]
                       [ 0.5
                           wrinkles
                           color_map {
                              [ 0.3 color rgbt <0.5,0,0,0.8> ]
                              [ 0.5 color rgbt <1,1,0,0.5> ]
                              [ 0.6 color rgb <1,1,1>*2 ]
                           }
                           scale 0.4
                           warp {
                              black_hole <0,0,0>,1.5
                              falloff 2
                              strength 4.0
                           }
                       ]
                   }
                ] 
              }
            }
            scale 1.5
         }
      }
   }
   scale <1.4,1,1.4>
   rotate x*10
   rotate z*30
   hollow
}

// ## SECOND EXPLOSION ##
// (ONLY DIFFERENCE FROM FIRST IS THAT THIS ONE IS MORE SCALLED IN X&Z DIRECTION AND
// LESS SCALED IN Y DIRECTION)

sphere {
   <0,0,0>,2.2
   material {
      texture {
         pigment { color rgbt 1 }
         finish { ambient 0 diffuse 0 }
      }
      
      interior {
         media {
            emission 0.15
            intervals m_interv 
            density {
               spherical
               color_map {
                [ 0.0 color rgb <0.2,0,0> transmit 0.8 ]
                [ 0.4 color rgb <0.7,0.15,0> transmit 0.8 ]
                [ 0.7 color rgb <1,1,0> transmit 0.6 ]
                [ 0.9 color rgb <1,1,1> transmit 0.4 ]
                [ 1.0 color rgb <1,1,1> transmit 0.2 ]
               }
               turbulence 0.3
               octaves 8
               lambda 4
               omega 0.5
            }
            scale 1.8
         }
      }
      interior {
         media {
            emission 1
            intervals m_interv 
            density {
               spherical
               density_map {
                [ 0.0 color rgb <0,0,0> transmit 0 ]
                [ 0.1 color rgb <0.3,0.2,0>*0.2 ]
                [ 0.3
                   average
                   density_map {
                       [ 1
                           bumps
                           color_map {
                              [ 0.70 color rgb 0 transmit 1 ]
                              [ 0.80 color rgbt <0.5,0,0,0.8> ]
                              [ 0.85 color rgbt <1,1,0,0.6> ]
                              [ 0.90 color rgbt <1,1,1,0.4> ]
                           }
                           frequency 1
                           scale 0.1
                           warp {
                              black_hole <0,0,0>,1.5
                              falloff 2
                              strength 2.0
                           }
                       ]
                       [ 1
                           bumps
                           color_map {
                              [ 0.70 color rgb 0 transmit 1 ]
                              [ 0.80 color rgbt <0.5,0,0,0.8> ]
                              [ 0.85 color rgbt <1,1,0,0.6> ]
                              [ 0.90 color rgbt <1,1,1,0.4> ]
                           }
                           frequency 2
                           scale 0.5
                           warp {
                              black_hole <0,0,0>,1.5
                              falloff 2
                              strength 2.0
                           }
                       ]
                       [ 0.5
                           wrinkles
                           color_map {
                              [ 0.70 color rgb 0 transmit 1 ]
                              [ 0.80 color rgbt <0.5,0,0,0.8> ]
                              [ 0.85 color rgbt <1,1,0,0.6> ]
                              [ 0.90 color rgbt <1,1,1,0.4> ]
                           }
                           frequency 2
                           scale 0.4
                           warp {
                              black_hole <0,0,0>,1.5
                              falloff 2
                              strength 2.0
                           }
                       ]
                   }
                ]
                [ 0.4
                   average
                   density_map {
                       [ 1
                           bumps
                           color_map {
                              [ 0.50 color rgb 0 transmit 1 ]
                              [ 0.70 color rgbt <0.5,0,0,0.5> ]
                              [ 0.75 color rgbt <1,1,0,0.2> ]
                              [ 0.80 color rgb <1,1,1> ]
                           }
                           frequency 1
                           scale 0.1
                           warp {
                              black_hole <0,0,0>,1.5
                              falloff 2
                              strength 2.0
                           }
                       ]
                       [ 1
                           bumps
                           color_map {
                              [ 0.50 color rgb 0 transmit 1 ]
                              [ 0.70 color rgbt <0.5,0,0,0.5> ]
                              [ 0.75 color rgbt <1,1,0,0.2> ]
                              [ 0.80 color rgb <1,1,1> ]
                           }
                           frequency 2
                           scale 0.5
                           warp {
                              black_hole <0,0,0>,1.5
                              falloff 2
                              strength 2.0
                           }
                       ]
                       [ 0.5
                           wrinkles
                           color_map {
                              [ 0.50 color rgb 0 transmit 1 ]
                              [ 0.70 color rgbt <0.5,0,0,0.5> ]
                              [ 0.75 color rgbt <1,1,0,0.2> ]
                              [ 0.80 color rgb <1,1,1> ]
                           }
                           frequency 2
                           scale 0.4
                           warp {
                              black_hole <0,0,0>,1.5
                              falloff 2
                              strength 2.0
                           }
                       ]
                   }
                ]
                [ 0.8
                   average
                   density_map {
                       [ 1
                           bumps
                           color_map {
                              [ 0.3 color rgbt <0.5,0,0,0.8> ]
                              [ 0.5 color rgbt <1,1,0,0.5> ]
                              [ 0.6 color rgb <1,1,1>*2 ]
                           }
                           scale 0.1
                           warp {
                              black_hole <0,0,0>,1.5
                              falloff 2
                              strength 4.0
                           }
                       ]
                       [ 1
                           bumps
                           color_map {
                              [ 0.3 color rgbt <0.5,0,0,0.8> ]
                              [ 0.5 color rgbt <1,1,0,0.5> ]
                              [ 0.6 color rgb <1,1,1>*2 ]
                           }
                           scale 0.5
                           warp {
                              black_hole <0,0,0>,1.5
                              falloff 2
                              strength 4.0
                           }
                       ]
                       [ 0.5
                           wrinkles
                           color_map {
                              [ 0.3 color rgbt <0.5,0,0,0.8> ]
                              [ 0.5 color rgbt <1,1,0,0.5> ]
                              [ 0.6 color rgb <1,1,1>*2 ]
                           }
                           scale 0.4
                           warp {
                              black_hole <0,0,0>,1.5
                              falloff 2
                              strength 4.0
                           }
                       ]
                   }
                ] 
              }
            }
            scale 1.5
         }
      }
   }
   scale <2.2,0.3,2.2>
   rotate x*10
   rotate z*30
   hollow
}


// ## STARS ##

sphere {
   <0,0,0>,1000
   texture {
      pigment {
         average
         pigment_map {
            [ 1
              dents
              color_map {
                 [ 0.99 color rgb 0 ]
                 [ 0.99 color rgb 2 ]
              }
              scale 1
            ]
            [ 1
              dents
              color_map {
                 [ 0.99 color rgb 0 transmit 1 ]
                 [ 0.99 color rgb <0,0.8,1>*0.5 ]
              }
              rotate 90
            ]
            [ 1
              dents
              color_map {
                 [ 0.99 color rgb 0 transmit 1 ]
                 [ 0.99 color rgb <1,0.4,0>*0.5 ]
              }
              rotate 180
            ]
            [ 0.6
              wrinkles
              color_map {
                 [ 0.6 color rgb <0.8,0.3,0.1>1.5 ]
                 [ 0.7 color rgb <0.2,0.8,1>1.5 ]
              }
              scale 100
            ]
         }
      }
      finish { ambient 5 diffuse 0 }
   }
   hollow
}

// ## NEBULA ##

sphere {
   <0,0,0>,1000-1
   texture {
      pigment {
         wrinkles
         color_map {
            [ 0.4 color rgbf <0.6,0.5,0.4,0.9> ]
            [ 0.9 color rgbf <0.7,0.3,0.0,0.7> ]
         }
         scale 500
      }
      finish { ambient 3 diffuse 0 }
   }
   hollow
}