Struct big_space::GridCell

source ·
pub struct GridCell<P: GridPrecision> {
    pub x: P,
    pub y: P,
    pub z: P,
}
Expand description

Defines the grid cell this entity’s Transform is relative to.

This component is generic over a few integer types to allow you to select the grid size you need. These correspond to a total usable volume of a cube with the following edge lengths:

Assuming you are using a grid cell edge length of 10,000 meters, and 1.0 == 1 meter

  • i8: 2,560 km = 74% of the diameter of the Moon
  • i16: 655,350 km = 85% of the diameter of the Moon’s orbit around Earth
  • i32: 0.0045 light years = ~4 times the width of the solar system
  • i64: 19.5 million light years = ~100 times the width of the milky way galaxy
  • i128: 3.6e+26 light years = ~3.9e+15 times the width of the observable universe

where

usable_edge_length = 2^(integer_bits) * grid_cell_edge_length

Note

Be sure you are using the same grid index precision everywhere. It might be a good idea to define a type alias!

type GalacticGrid = GridCell<i64>;

Fields§

§x: P

The x-index of the cell.

§y: P

The y-index of the cell.

§z: P

The z-index of the cell.

Implementations§

Construct a new GridCell.

The origin GridCell.

A unit value GridCell. Useful for offsets.

Trait Implementations§

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