def tile.grid

gralha-svg-render@0.1.0.1 · svg.bend:2353

import Base
import gralha-image@0.1.0.1/image.bend as Img

2353def tile.grid(+pixels: Img.Pixels, +side: U32, +wd: U32, +ht: U32, +w: F32, +h: F32, +q: Point, +u: Point, +v: Point, +grid: U32, n: Nat, +i: U32, acc: Img.Color) -> Img.Color:
2354  match n:
2355    case 0n: acc
2356    case 1n+d:
2357      +gx = ((U32.to_f32(U32.mod(i, grid)) + 0.5) / U32.to_f32(grid) - 0.5 : F32)
2358      +gy = ((U32.to_f32(U32.div(i, grid)) + 0.5) / U32.to_f32(grid) - 0.5 : F32)
2359      tile.grid(pixels, side, wd, ht, w, h, q, u, v, grid, d, (i + 1 : U32), color.add(acc, tile.read(pixels, side, wd, ht, w, h, point.add(q, point.add(point.scale(u, gx), point.scale(v, gy))))))