if (FALSE) { # interactive() || identical(Sys.getenv("IN_PKGDOWN"), "true")
#Generate a disk in the cornell box.
generate_cornell() |>
add_object(disk(x = 555/2, y = 50, z = 555/2, radius = 150,
material = diffuse(color = "orange"))) |>
render_scene(lookfrom = c(278, 278, -800) ,lookat = c(278, 278, 0), fov = 40,
ambient_light = FALSE, samples = 16, parallel = TRUE, clamp_value = 5)
#Rotate the disk.
generate_cornell() |>
add_object(disk(x = 555/2, y = 555/2, z = 555/2, radius = 150, angle = c(-45, 0, 0),
material = diffuse(color = "orange"))) |>
render_scene(lookfrom = c(278, 278, -800) , lookat = c(278, 278, 0), fov = 40,
ambient_light = FALSE, samples = 16, parallel = TRUE, clamp_value = 5)
#Pass a value for the inner radius.
generate_cornell() |>
add_object(disk(x = 555/2, y = 555/2, z = 555/2,
radius = 150, inner_radius = 75, angle = c(-45, 0, 0),
material = diffuse(color = "orange"))) |>
render_scene(lookfrom = c(278, 278, -800) ,lookat = c(278, 278, 0), fov = 40,
ambient_light = FALSE, samples = 16, parallel = TRUE, clamp_value = 5)
}
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