libredr::light_source::directional

Function directional_envmap

Source 
pub fn directional_envmap(
    resolution: usize,
    direction: VectorView3<'_, f32>,
    intensity: f32,
) -> Result<Array4<f32>>
Expand description

Construct one-hot envmap with given direction and intensity

§Arguments

  • resolution: a single integer
  • direction: f32 vector of 3
  • intensity: f32 scalar

§Return

  • 3 * 6 * resolution * resolution