// MC930 - Exemplo de main.pov para o trabalho final
// Created on 2000-12-14 09:07:40 by mc726
// Modified on 2000-12-14 by 970496

// EXERCICIO FINAL
// By Daniel Salles de Araujo Dezembro de 2000
//
// Lago da Praca do Basico - UNICAMP

#include "colors.inc"
#include "textures.inc"

#declare centro_do_monumento = < 0, 0, 0 >;
#declare tamanho_lago = 2.5;

#declare monumento =
  sphere{ centro_do_monumento, 1
    texture{ 
      pigment{ color rgb < 1.00, 0.90, 0.05 > }
      finish{ diffuse 0.05 ambient 0.05 reflection 0.90 }
    }
  }
  
// PAVIMENTO

#declare pavimento=
plane { y, 0
  pigment { color ForestGreen }
  finish { ambient .3 diffuse .7 ambient 0.1 roughness 0.15 }
}

// FUNDO

background {  color SkyBlue }

// CÂMARA

#declare centro_da_cena = centro_do_monumento;
#declare raio_da_cena = tamanho_lago*2;
#declare direcao_da_camera = vnormalize( < 3, 2, 1 > );

#declare dist_da_camera = 6.0 * raio_da_cena
#declare pos_da_camera = centro_da_cena + dist_da_camera * direcao_da_camera;
camera {
  location  pos_da_camera + <0,-4,0>
  sky       y
  look_at   centro_da_cena + <0, 2, 0>
}

// ILUMINAÇÃO 

#declare direcao_da_luz = vrotate(direcao_da_camera, < 10, 10, 10 >);
#declare intens_da_luz = 1.25;

light_source {
  20 * raio_da_cena * direcao_da_luz
  color rgb intens_da_luz * < 1, 1, 1 >
} 

// Construcao do Monumento e Pedras do Centro do Lago

#declare monumento=
blob {
    threshold .2
        sphere { <0,0,0> 1, .8 
        texture {pigment {Gray30}} 
        scale <1.22, 1.43, 1.27> 
        translate <1, 0, 0> }
    
        sphere { <0,0,0> 1, .8 
        texture {pigment {Gray30}} 
        scale <1.4, 1.43, 1.3> 
        translate <0, 0, 1> }
    
        sphere { <0,0,0> 1, .8 
        texture {pigment {Gray30}} 
        scale <1.6, 1.43, 1.37> 
        translate <-1, 0, -1> }
    
        sphere { <0,0,0> 1, .8 
        texture {pigment {Gray30}} 
        scale <1.12, 1.43, 1.17> 
        translate <2.5, 0, 0> }
    
        sphere { <0,0,0> 1, .8 
        texture {pigment {Gray30}} 
        scale <1.3, 1, 1.2> 
        translate <0, 0, 2.5> }
    
        sphere { <0,0,0> 1, .8
        texture {pigment {Gray30}} 
        scale <1.2, 1.3, 1.5> 
        translate <-1.5, 0, 1.5> }
    
        sphere { <0,0,0> 1, .8 
        texture {pigment {Gray30}} 
        scale <1.4, 1.43, 1.3> 
        translate <1.5, 0, -1.5> }
    
        sphere { <0,0,0> 1, .8 
        texture {pigment {Gray30}} 
        scale <1.5, 1.43, 1> 
        translate <0, 2, 0> }
    
        sphere { <0,0,0> 1, .8 
        texture {pigment {Gray30}} 
        scale <1.12, 1.43, 1.17> 
        translate <0.75, 2, -0.5> }
        
        sphere { <0,0,0> 1, .8 
        texture {pigment {Gray30}} 
        scale <1.12, 1.43, 1.17> 
        translate <1.7, 0, 0.5> }
    
        sphere { <0,0,0> 1, .8 
        texture {pigment {Gray30}} 
        scale <1.12, 1.43, 1.17> 
        translate <0.65, 2, 1.3> }
    
        sphere { <0,0,0> 1, .8 
        texture {pigment {Gray30}} 
        scale <1.12, 1.43, 1.17> 
        translate <0, 3, 0> }
    
    sphere { <0,0,0> 1, .8 
        texture {pigment {Gray30}} 
        scale <1.12, 1.43, 1.17> 
        translate <0.5, 4, 1.7> }
    
        sphere { <0,0,0> 1, .8 
        texture {pigment {Gray30}} 
        scale <1.12, 1.43, 1.17> 
        translate <1.3, 3, 0.65> }
    
    sphere { <0,0,0> 1, .8 
        texture {pigment {Gray30}} 
        scale <1.12, 1.43, 1.17> 
        translate <0, 5, 0> }
}

    // Construcao do Lago propriamente dito

#declare lago=
union {
  difference {
    cylinder { <0,0,0>, <0,0.5,0>, 5.2
      texture { pigment {Gray60} }
    }
    cylinder { <0,-1,0>, <0,1,0>, 5.0 }
  }
  difference {
    cylinder { <0, -1.5, 0>, <0, 0, 0>, 5.1
      texture { pigment { Gray60} }
    }
    cylinder { <0, -2.5, 0>, <0, 0.5, 0>, 5.0 }
  }
  // Fundo (precisa?)
  cylinder { <0, -2, 0>, <0, -1.95, 0>, 5.0 texture {pigment {Gray60} } }

  // Disco externo
  difference {
    cylinder { <0,0,0>, <0, 0.3, 0>, 5.8
    texture {pigment { Gray60} }
    }
    cylinder { <0,-0.1, 0>, <0, 0.4, 0>, 5.6 }
  }

  // Grama
  difference {
    cylinder { <0,0,0>, <0, 0.4, 0>, 5.6
      texture { pigment { ForestGreen} }
    }
    cylinder { <0,-0.1,0>, <0, 0.5, 0>, 5.2 }
  }
  
  // Abaixo: Agua!
  cylinder { <0,-1.95,0>, <0, -0.05, 0>, 4.7 texture { Water } } 

}

object {
  lago
  scale <1, 1, 1> * tamanho_lago
  translate <0, 1.5*tamanho_lago, 0>
}

object { pavimento }

object {
  monumento
  scale <1.2, 1.2, 1.2>
  translate <0, 2.4, 0>
}