Struct veloren_world::config::Config

source · 
pub struct Config {
Show 15 fields
    pub sea_level: f32,
    pub mountain_scale: f32,
    pub snow_temp: f32,
    pub temperate_temp: f32,
    pub tropical_temp: f32,
    pub desert_temp: f32,
    pub desert_hum: f32,
    pub forest_hum: f32,
    pub jungle_hum: f32,
    pub rainfall_chunk_rate: f32,
    pub river_roughness: f32,
    pub river_max_width: f32,
    pub river_min_height: f32,
    pub river_width_to_depth: f32,
    pub ice_color: Rgb<u8>,

}

Fields§

§sea_level: f32§mountain_scale: f32§snow_temp: f32§temperate_temp: f32§tropical_temp: f32§desert_temp: f32§desert_hum: f32§forest_hum: f32§jungle_hum: f32§rainfall_chunk_rate: f32

Rainfall (in meters) per m² of surface per minute. Default is set to make it approximately 1 m rainfall / year uniformly across the whole land area, which is the average rainfall on Earth.

§river_roughness: f32

Roughness coefficient is an empirical value that controls the rate of energy loss of water in a river. The higher it is, the more water slows down as it flows downhill, which consequently leads to lower velocities and higher river area for the same flow rate.

See https://wwwrcamnl.wr.usgs.gov/sws/fieldmethods/Indirects/nvalues/index.htm.

The default is set to over 0.06, which is pretty high but still within a reasonable range for rivers. The higher this is, the quicker rivers appear, and since we often will have high slopes we want to give rivers as much of a chance as possible. In the future we can set this dynamically.

NOTE: The values in the link are in seconds / (m^(-1/3)), but we use them without conversion as though they are in minutes / (m^(-1/3)). The idea here is that our clock speed has time go by at approximately 1 minute per second, but since velocity depends on this parameter, we want flow rates to still “look” natural at the second level. The way we are cheating is that we still allow the refill rate (via rainfall) of rivers and lakes to be specified as though minutes are really minutes. This reduces the amount of water needed to form a river of a given area by 60, but hopefully this should not feel too unnatural since the refill rate is still below what people should be able to perceive.

§river_max_width: f32

Maximum width of rivers, in terms of a multiple of the horizontal chunk size.

Currently, not known whether setting this above 1.0 will work properly. Please use with care!

§river_min_height: f32

Minimum height at which rivers display.

§river_width_to_depth: f32

Rough desired river width-to-depth ratio (in terms of horizontal chunk width / m, for some reason). Not exact.

§ice_color: Rgb<u8>

TODO: Move to colors.ron when blockgen can access it

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