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added example and explantion to point_in_polygon

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Adrian Mariano
2021-09-11 23:11:18 -04:00
parent e807d0e0d6
commit 47f0c88c4a
2 changed files with 76 additions and 16 deletions
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16
tests/test_geometry.scad
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@@ -42,7 +42,7 @@ test_circle_point_tangents();
test_noncollinear_triple();
test_polygon_area();
test_is_convex_polygon();
test_is_polygon_convex();
test_polygon_shift();
test_polygon_shift_to_closest_point();
test_reindex_polygon();
@@ -726,14 +726,14 @@ module test_polygon_area() {
*test_polygon_area();
module test_is_convex_polygon() {
assert(is_convex_polygon([[1,1],[-1,1],[-1,-1],[1,-1]]));
assert(is_convex_polygon(circle(r=50,$fn=1000)));
assert(is_convex_polygon(rot([50,120,30], p=path3d(circle(1,$fn=50)))));
assert(!is_convex_polygon([[1,1],[0,0],[-1,1],[-1,-1],[1,-1]]));
assert(!is_convex_polygon([for (i=[0:36]) let(a=-i*10) (10+i)*[cos(a),sin(a)]])); // spiral
module test_is_polygon_convex() {
assert(is_polygon_convex([[1,1],[-1,1],[-1,-1],[1,-1]]));
assert(is_polygon_convex(circle(r=50,$fn=1000)));
assert(is_polygon_convex(rot([50,120,30], p=path3d(circle(1,$fn=50)))));
assert(!is_polygon_convex([[1,1],[0,0],[-1,1],[-1,-1],[1,-1]]));
assert(!is_polygon_convex([for (i=[0:36]) let(a=-i*10) (10+i)*[cos(a),sin(a)]])); // spiral
}
*test_is_convex_polygon();
*test_is_polygon_convex();
module test_polygon_shift() {