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refactor

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This commit is contained in:
Justin Lin
2020-02-24 17:23:09 +08:00
parent 330d523736
commit c843c99b11
1 changed files with 10 additions and 2 deletions
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12
src/_impl/_triangulate_impl.scad
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@@ -9,6 +9,9 @@ function _triangulate_in_triangle(p0, p1, p2, p) =
) )
(c0 > 0 && c1 > 0 && c2 > 0) || (c0 < 0 && c1 < 0 && c2 < 0); (c0 > 0 && c1 > 0 && c2 > 0) || (c0 < 0 && c1 < 0 && c2 < 0);
function _triangulate_determinant_2x2(matrix) =
matrix[0][0] * matrix[1][1] - matrix[0][1] * matrix[1][0];
function _triangulate_snipable(shape_pts, u, v, w, n, indices, epsilon = 0.0001) = function _triangulate_snipable(shape_pts, u, v, w, n, indices, epsilon = 0.0001) =
let( let(
a = shape_pts[indices[u]], a = shape_pts[indices[u]],
@@ -19,9 +22,14 @@ function _triangulate_snipable(shape_pts, u, v, w, n, indices, epsilon = 0.0001)
bx = b[0], bx = b[0],
by = b[1], by = b[1],
cx = c[0], cx = c[0],
cy = c[1] cy = c[1],
determinant = _triangulate_determinant_2x2([
[bx - ax, by - ay],
[cx - ax, cy - ay]
])
) )
epsilon > (((bx - ax) * (cy - ay)) - ((by - ay) * (cx - ax))) ?
epsilon > determinant ?
false : _triangulate_snipable_sub(shape_pts, n, u, v, w, a, b, c, indices); false : _triangulate_snipable_sub(shape_pts, n, u, v, w, a, b, c, indices);
function _triangulate_snipable_sub(shape_pts, n, u, v, w, a, b, c, indices, p = 0) = function _triangulate_snipable_sub(shape_pts, n, u, v, w, a, b, c, indices, p = 0) =