box_cyl_reflect.ray

Purpose: Test the reflection term

Settings:

Image:

Code:

SBT-raytracer 1.0

// box_cyl_reflect.ray
// purpose: Test the reflection term
// depth: 10

// Don't forget to increase the trace depth to >= 2!

// This was rendered with the following attenuation
// settings:
// Distance scale: 0.000        OR   1.87
// Constant term:  0.25         OR   0.25
// Linear term:    0.0033724    OR   0.25
// Quadratic term: 0.00004592   OR   0.25

camera
{
  position = (15, 0, 5);
  viewdir = (-1, 0, -.3);
  updir = (0, 0, 1);
}

// Using ambient intensity of 0.25

// Directional light which shouldn't
// cast any shadows
directional_light
{
  direction = (-1, 0, -0.2);
  color = (1, 1, 1);
}

// The box forms a plane, which should reflect the cylinder
translate( 0, 0, -2,
  scale( 15, 15, 1,
    square {
      material = {
        diffuse = (0.5, 0, 0);
        specular = (0.5, 0.5, 0.5);
        reflective = (1, 1, 1);
        shininess = 0.2;
      }
    } ) )

// We'll give this a little ambient intensity to ensure
// that the bottom, which doesn't face the light, is still
// reflected properly (this is a common hack, since with
// raytracing you don't have diffuse-diffuse reflections)
translate( 0, 0, 1,
  cylinder {
    material = {
      ambient = (0, 1, 0);
      diffuse = (0, 0.5, 0);
      specular = (0.5, 0.5, 0.5);
      reflective = (1, 1, 1);
      shininess = 0.2;
    }
  } )