render_preview: Render Preview

In rayrender: Build and Raytrace 3D Scenes

Render Preview

Description

Takes the scene description and renders an image, either to the device or to a filename.

Usage

render_preview(..., light_direction = c(0, -1, 0), exponent = 6)

Arguments

...	All arguments that would be passed to 'render_scene()'.
light_direction	Default 'c(0,-1,0)'. Vector specifying the orientation for the global light using for phong shading.
exponent	Default '6'. Phong exponent.

Value

Raytraced plot to current device, or an image saved to a file.

Examples

generate_ground(material=diffuse(color="darkgreen")) |>
  add_object(sphere(material=diffuse(checkercolor="red"))) |>
  render_preview()
#Change the light direction
generate_ground(material=diffuse(color="darkgreen")) |>
  add_object(sphere(material=diffuse(checkercolor="red"))) |>
  render_preview(light_direction = c(-1,-1,0))
#Change the Phong exponent
generate_ground(material=diffuse(color="darkgreen")) |>
  add_object(sphere(material=diffuse(checkercolor="red"))) |>
  render_preview(light_direction = c(-1,-1,0), exponent=100)

rayrender documentation built on Sept. 16, 2026, 9:08 a.m.