struct Atlas
type Atlas* = struct {
i: image.Image // source image
cs: th.Vf2 // size of a cell in pixels
dm: th.Vf2 // amount of cells in image
}
Atlas is an image containing tiles in a square grid.
fn mk
fn mk*(i: image.Image, dm: th.Vf2): Atlas {
i: source image dm: amount of cells
fn Atlas.coords
fn (a: ^Atlas) coords*(n: int): th.Vf2 {
returns the coordinates of the nth tile
fn Atlas.cropSource
fn (a: ^Atlas) cropSource*(at: th.Vf2) {
Crops the sourse image to only show a wanted tile
fn Atlas.draw
fn (a: ^Atlas) draw*(at: th.Vf2, t: th.Transform) {
Draws the tile at at