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Justin Lin 2019-06-27 07:32:05 +08:00
parent 691a8f3ff9
commit aa5fc938d0
2 changed files with 5 additions and 3 deletions
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4
src/pixel/px_sphere.scad
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@ -8,9 +8,9 @@ function px_sphere(radius, filled = true) =
] :
let(ishell = radius * radius - 2 * radius)
[
for(x = -radius; x < radius; x = x + 1)
for(z = -radius; z < radius; z = z + 1)
for(y = -radius; y < radius; y = y + 1)
for(z = -radius; z < radius; z = z + 1)
for(x = -radius; x < radius; x = x + 1)
let(
v = [x, y, z],
leng = norm(v)

4
test/pixel/test_px_sphere.scad
View File

@ -4,7 +4,9 @@ module test_px_sphere() {
include <unittest.scad>;
include <pixel/px_sphere.scad>;
expected = [[-4, -2, -2], [-4, -2, -1], [-4, -2, 0], [-4, -2, 1], [-4, -2, 2], [-4, -1, -2], [-4, -1, -1], [-4, -1, 0], [-4, -1, 1], [-4, -1, 2], [-4, 0, -2], [-4, 0, -1], [-4, 0, 0], [-4, 0, 1], [-4, 0, 2], [-4, 1, -2], [-4, 1, -1], [-4, 1, 0], [-4, 1, 1], [-4, 1, 2], [-4, 2, -2], [-4, 2, -1], [-4, 2, 0], [-4, 2, 1], [-4, 2, 2], [-3, -3, -2], [-3, -3, -1], [-3, -3, 0], [-3, -3, 1], [-3, -3, 2], [-3, -2, -3], [-3, -2, -2], [-3, -2, 2], [-3, -2, 3], [-3, -1, -3], [-3, -1, 3], [-3, 0, -3], [-3, 0, 3], [-3, 1, -3], [-3, 1, 3], [-3, 2, -3], [-3, 2, -2], [-3, 2, 2], [-3, 2, 3], [-3, 3, -2], [-3, 3, -1], [-3, 3, 0], [-3, 3, 1], [-3, 3, 2], [-2, -4, -2], [-2, -4, -1], [-2, -4, 0], [-2, -4, 1], [-2, -4, 2], [-2, -3, -3], [-2, -3, -2], [-2, -3, 2], [-2, -3, 3], [-2, -2, -4], [-2, -2, -3], [-2, -2, 3], [-2, -2, 4], [-2, -1, -4], [-2, -1, 4], [-2, 0, -4], [-2, 0, 4], [-2, 1, -4], [-2, 1, 4], [-2, 2, -4], [-2, 2, -3], [-2, 2, 3], [-2, 2, 4], [-2, 3, -3], [-2, 3, -2], [-2, 3, 2], [-2, 3, 3], [-2, 4, -2], [-2, 4, -1], [-2, 4, 0], [-2, 4, 1], [-2, 4, 2], [-1, -4, -2], [-1, -4, -1], [-1, -4, 0], [-1, -4, 1], [-1, -4, 2], [-1, -3, -3], [-1, -3, 3], [-1, -2, -4], [-1, -2, 4], [-1, -1, -4], [-1, -1, 4], [-1, 0, -4], [-1, 0, 4], [-1, 1, -4], [-1, 1, 4], [-1, 2, -4], [-1, 2, 4], [-1, 3, -3], [-1, 3, 3], [-1, 4, -2], [-1, 4, -1], [-1, 4, 0], [-1, 4, 1], [-1, 4, 2], [0, -4, -2], [0, -4, -1], [0, -4, 0], [0, -4, 1], [0, -4, 2], [0, -3, -3], [0, -3, 3], [0, -2, -4], [0, -2, 4], [0, -1, -4], [0, -1, 4], [0, 0, -4], [0, 0, 4], [0, 1, -4], [0, 1, 4], [0, 2, -4], [0, 2, 4], [0, 3, -3], [0, 3, 3], [0, 4, -2], [0, 4, -1], [0, 4, 0], [0, 4, 1], [0, 4, 2], [1, -4, -2], [1, -4, -1], [1, -4, 0], [1, -4, 1], [1, -4, 2], [1, -3, -3], [1, -3, 3], [1, -2, -4], [1, -2, 4], [1, -1, -4], [1, -1, 4], [1, 0, -4], [1, 0, 4], [1, 1, -4], [1, 1, 4], [1, 2, -4], [1, 2, 4], [1, 3, -3], [1, 3, 3], [1, 4, -2], [1, 4, -1], [1, 4, 0], [1, 4, 1], [1, 4, 2], [2, -4, -2], [2, -4, -1], [2, -4, 0], [2, -4, 1], [2, -4, 2], [2, -3, -3], [2, -3, -2], [2, -3, 2], [2, -3, 3], [2, -2, -4], [2, -2, -3], [2, -2, 3], [2, -2, 4], [2, -1, -4], [2, -1, 4], [2, 0, -4], [2, 0, 4], [2, 1, -4], [2, 1, 4], [2, 2, -4], [2, 2, -3], [2, 2, 3], [2, 2, 4], [2, 3, -3], [2, 3, -2], [2, 3, 2], [2, 3, 3], [2, 4, -2], [2, 4, -1], [2, 4, 0], [2, 4, 1], [2, 4, 2], [3, -3, -2], [3, -3, -1], [3, -3, 0], [3, -3, 1], [3, -3, 2], [3, -2, -3], [3, -2, -2], [3, -2, 2], [3, -2, 3], [3, -1, -3], [3, -1, 3], [3, 0, -3], [3, 0, 3], [3, 1, -3], [3, 1, 3], [3, 2, -3], [3, 2, -2], [3, 2, 2], [3, 2, 3], [3, 3, -2], [3, 3, -1], [3, 3, 0], [3, 3, 1], [3, 3, 2], [4, -2, -2], [4, -2, -1], [4, -2, 0], [4, -2, 1], [4, -2, 2], [4, -1, -2], [4, -1, -1], [4, -1, 0], [4, -1, 1], [4, -1, 2], [4, 0, -2], [4, 0, -1], [4, 0, 0], [4, 0, 1], [4, 0, 2], [4, 1, -2], [4, 1, -1], [4, 1, 0], [4, 1, 1], [4, 1, 2], [4, 2, -2], [4, 2, -1], [4, 2, 0], [4, 2, 1], [4, 2, 2]]; actual = px_sphere(5, false);
expected = [[-2, -2, -4], [-1, -2, -4], [0, -2, -4], [1, -2, -4], [2, -2, -4], [-2, -1, -4], [-1, -1, -4], [0, -1, -4], [1, -1, -4], [2, -1, -4], [-2, 0, -4], [-1, 0, -4], [0, 0, -4], [1, 0, -4], [2, 0, -4], [-2, 1, -4], [-1, 1, -4], [0, 1, -4], [1, 1, -4], [2, 1, -4], [-2, 2, -4], [-1, 2, -4], [0, 2, -4], [1, 2, -4], [2, 2, -4], [-2, -3, -3], [-1, -3, -3], [0, -3, -3], [1, -3, -3], [2, -3, -3], [-3, -2, -3], [-2, -2, -3], [2, -2, -3], [3, -2, -3], [-3, -1, -3], [3, -1, -3], [-3, 0, -3], [3, 0, -3], [-3, 1, -3], [3, 1, -3], [-3, 2, -3], [-2, 2, -3], [2, 2, -3], [3, 2, -3], [-2, 3, -3], [-1, 3, -3], [0, 3, -3], [1, 3, -3], [2, 3, -3], [-2, -4, -2], [-1, -4, -2], [0, -4, -2], [1, -4, -2], [2, -4, -2], [-3, -3, -2], [-2, -3, -2], [2, -3, -2], [3, -3, -2], [-4, -2, -2], [-3, -2, -2], [3, -2, -2], [4, -2, -2], [-4, -1, -2], [4, -1, -2], [-4, 0, -2], [4, 0, -2], [-4, 1, -2], [4, 1, -2], [-4, 2, -2], [-3, 2, -2], [3, 2, -2], [4, 2, -2], [-3, 3, -2], [-2, 3, -2], [2, 3, -2], [3, 3, -2], [-2, 4, -2], [-1, 4, -2], [0, 4, -2], [1, 4, -2], [2, 4, -2], [-2, -4, -1], [-1, -4, -1], [0, -4, -1], [1, -4, -1], [2, -4, -1], [-3, -3, -1], [3, -3, -1], [-4, -2, -1], [4, -2, -1], [-4, -1, -1], [4, -1, -1], [-4, 0, -1], [4, 0, -1], [-4, 1, -1], [4, 1, -1], [-4, 2, -1], [4, 2, -1], [-3, 3, -1], [3, 3, -1], [-2, 4, -1], [-1, 4, -1], [0, 4, -1], [1, 4, -1], [2, 4, -1], [-2, -4, 0], [-1, -4, 0], [0, -4, 0], [1, -4, 0], [2, -4, 0], [-3, -3, 0], [3, -3, 0], [-4, -2, 0], [4, -2, 0], [-4, -1, 0], [4, -1, 0], [-4, 0, 0], [4, 0, 0], [-4, 1, 0], [4, 1, 0], [-4, 2, 0], [4, 2, 0], [-3, 3, 0], [3, 3, 0], [-2, 4, 0], [-1, 4, 0], [0, 4, 0], [1, 4, 0], [2, 4, 0], [-2, -4, 1], [-1, -4, 1], [0, -4, 1], [1, -4, 1], [2, -4, 1], [-3, -3, 1], [3, -3, 1], [-4, -2, 1], [4, -2, 1], [-4, -1, 1], [4, -1, 1], [-4, 0, 1], [4, 0, 1], [-4, 1, 1], [4, 1, 1], [-4, 2, 1], [4, 2, 1], [-3, 3, 1], [3, 3, 1], [-2, 4, 1], [-1, 4, 1], [0, 4, 1], [1, 4, 1], [2, 4, 1], [-2, -4, 2], [-1, -4, 2], [0, -4, 2], [1, -4, 2], [2, -4, 2], [-3, -3, 2], [-2, -3, 2], [2, -3, 2], [3, -3, 2], [-4, -2, 2], [-3, -2, 2], [3, -2, 2], [4, -2, 2], [-4, -1, 2], [4, -1, 2], [-4, 0, 2], [4, 0, 2], [-4, 1, 2], [4, 1, 2], [-4, 2, 2], [-3, 2, 2], [3, 2, 2], [4, 2, 2], [-3, 3, 2], [-2, 3, 2], [2, 3, 2], [3, 3, 2], [-2, 4, 2], [-1, 4, 2], [0, 4, 2], [1, 4, 2], [2, 4, 2], [-2, -3, 3], [-1, -3, 3], [0, -3, 3], [1, -3, 3], [2, -3, 3], [-3, -2, 3], [-2, -2, 3], [2, -2, 3], [3, -2, 3], [-3, -1, 3], [3, -1, 3], [-3, 0, 3], [3, 0, 3], [-3, 1, 3], [3, 1, 3], [-3, 2, 3], [-2, 2, 3], [2, 2, 3], [3, 2, 3], [-2, 3, 3], [-1, 3, 3], [0, 3, 3], [1, 3, 3], [2, 3, 3], [-2, -2, 4], [-1, -2, 4], [0, -2, 4], [1, -2, 4], [2, -2, 4], [-2, -1, 4], [-1, -1, 4], [0, -1, 4], [1, -1, 4], [2, -1, 4], [-2, 0, 4], [-1, 0, 4], [0, 0, 4], [1, 0, 4], [2, 0, 4], [-2, 1, 4], [-1, 1, 4], [0, 1, 4], [1, 1, 4], [2, 1, 4], [-2, 2, 4], [-1, 2, 4], [0, 2, 4], [1, 2, 4], [2, 2, 4]];
actual = px_sphere(5, false);
assertEqualPoints(expected, actual);
}