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RonaldoCMP
2021-03-25 11:51:10 +00:00
parent da7f9a2412
commit cdfc267ac7
2 changed files with 131 additions and 86 deletions
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21
tests/test_geometry.scad
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@@ -842,7 +842,8 @@ module test_cleanup_path() {
module test_polygon_area() {
assert(approx(polygon_area([[1,1],[-1,1],[-1,-1],[1,-1]]), 4));
assert(approx(polygon_area(circle(r=50,$fn=1000)), -PI*50*50, eps=0.1));
assert(approx(polygon_area(circle(r=50,$fn=1000),signed=true), -PI*50*50, eps=0.1));
assert(approx(polygon_area(rot([13,27,75],p=path3d(circle(r=50,$fn=1000),fill=23)),signed=true), PI*50*50, eps=0.1));
}
*test_polygon_area();
@@ -914,10 +915,9 @@ module test_noncollinear_triple() {
module test_centroid() {
$fn = 24;
assert_approx(centroid(circle(d=100)), [0,0]);
assert_approx(centroid(rect([40,60],rounding=10,anchor=LEFT)), [20,0]);
assert_approx(centroid(rect([40,60],rounding=10,anchor=LEFT)), [-20,0]);
assert_approx(centroid(rect([40,60],rounding=10,anchor=FWD)), [0,30]);
poly = [for(a=[0:90:360])
move([1,2.5,3.1], rot(p=[cos(a),sin(a),0],from=[0,0,1],to=[1,1,1])) ];
poly = move([1,2.5,3.1],p=rot([12,49,24], p=path3d(circle(10,$fn=33))));
assert_approx(centroid(poly), [1,2.5,3.1]);
}
*test_centroid();
@@ -943,19 +943,22 @@ module test_point_in_polygon() {
poly2 = [ [-3,-3],[2,-3],[2,1],[-1,1],[-1,-1],[1,-1],[1,2],[-3,2] ];
assert(point_in_polygon([0,0], poly) == 1);
assert(point_in_polygon([20,0], poly) == -1);
assert(point_in_polygon([20,0], poly,EPSILON,nonzero=false) == -1);
assert(point_in_polygon([20,0], poly,nonzero=false) == -1);
assert(point_in_polygon([5,5], poly) == 1);
assert(point_in_polygon([-5,5], poly) == 1);
assert(point_in_polygon([-5,-5], poly) == 1);
assert(point_in_polygon([5,-5], poly) == 1);
assert(point_in_polygon([5,-5], poly,EPSILON,nonzero=false) == 1);
assert(point_in_polygon([5,-5], poly,nonzero=false,eps=EPSILON) == 1);
assert(point_in_polygon([-10,-10], poly) == -1);
assert(point_in_polygon([10,0], poly) == 0);
assert(point_in_polygon([0,10], poly) == 0);
assert(point_in_polygon([0,-10], poly) == 0);
assert(point_in_polygon([0,-10], poly,EPSILON,nonzero=false) == 0);
assert(point_in_polygon([0,0], poly2,EPSILON,nonzero=true) == 1);
assert(point_in_polygon([0,0], poly2,EPSILON,nonzero=false) == -1);
assert(point_in_polygon([0,-10], poly,nonzero=false) == 0);
assert(point_in_polygon([0,0], poly2,nonzero=true) == 1);
assert(point_in_polygon([0,1], poly2,nonzero=true) == 0);
assert(point_in_polygon([0,1], poly2,nonzero=false) == 0);
assert(point_in_polygon([1,0], poly2,nonzero=false) == 0);
assert(point_in_polygon([0,0], poly2,nonzero=false,eps=EPSILON) == -1);
}
*test_point_in_polygon();