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Add "is" to geometry.scad predicates

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This commit is contained in:
Adrian Mariano
2021-09-15 19:01:34 -04:00
parent ea7b947bcb
commit d78eb5213e
8 changed files with 105 additions and 132 deletions
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146
tests/test_geometry.scad
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@@ -6,8 +6,8 @@ include <../std.scad>
test_point_on_line();
test_collinear();
test_is_point_on_line();
test_is_collinear();
test_point_line_distance();
test_segment_distance();
test_line_normal();
@@ -33,9 +33,9 @@ test_plane_line_angle();
test_plane_line_intersection();
test_polygon_line_intersection();
test_plane_intersection();
test_coplanar();
test_points_on_plane();
test_above_plane();
test_is_coplanar();
test_are_points_on_plane();
test_is_above_plane();
test_circle_2tangents();
test_circle_3points();
test_circle_point_tangents();
@@ -44,7 +44,6 @@ test_noncollinear_triple();
test_polygon_area();
test_is_polygon_convex();
test_polygon_shift();
test_polygon_shift_to_closest_point();
test_reindex_polygon();
test_align_polygon();
test_centroid();
@@ -223,7 +222,7 @@ module test__general_plane_line_intersection() {
*test__general_plane_line_intersection();
module test_points_on_plane() {
module test_are_points_on_plane() {
pts = [for(i=[0:40]) rands(-1,1,3) ];
dir = rands(-10,10,3);
normal0 = [1,2,3];
@@ -232,10 +231,10 @@ module test_points_on_plane() {
plane = [each normal, normal*dir];
prj_pts = plane_closest_point(plane,pts);
info = info_str([["pts = ",pts],["dir = ",dir],["ang = ",ang]]);
assert(points_on_plane(prj_pts,plane),info);
assert(!points_on_plane(concat(pts,[normal-dir]),plane),info);
assert(are_points_on_plane(prj_pts,plane),info);
assert(!are_points_on_plane(concat(pts,[normal-dir]),plane),info);
}
*test_points_on_plane();
*test_are_points_on_plane();
module test_plane_closest_point(){
ang = rands(0,360,1)[0];
@@ -266,43 +265,43 @@ module test_line_from_points() {
}
*test_line_from_points();
module test_point_on_line() {
assert(point_on_line([-15,0], [[-10,0], [10,0]],SEGMENT) == false);
assert(point_on_line([-10,0], [[-10,0], [10,0]],SEGMENT) == true);
assert(point_on_line([-5,0], [[-10,0], [10,0]],SEGMENT) == true);
assert(point_on_line([0,0], [[-10,0], [10,0]],SEGMENT) == true);
assert(point_on_line([3,3], [[-10,0], [10,0]],SEGMENT) == false);
assert(point_on_line([5,0], [[-10,0], [10,0]],SEGMENT) == true);
assert(point_on_line([10,0], [[-10,0], [10,0]],SEGMENT) == true);
assert(point_on_line([15,0], [[-10,0], [10,0]],SEGMENT) == false);
module test_is_point_on_line() {
assert(is_point_on_line([-15,0], [[-10,0], [10,0]],SEGMENT) == false);
assert(is_point_on_line([-10,0], [[-10,0], [10,0]],SEGMENT) == true);
assert(is_point_on_line([-5,0], [[-10,0], [10,0]],SEGMENT) == true);
assert(is_point_on_line([0,0], [[-10,0], [10,0]],SEGMENT) == true);
assert(is_point_on_line([3,3], [[-10,0], [10,0]],SEGMENT) == false);
assert(is_point_on_line([5,0], [[-10,0], [10,0]],SEGMENT) == true);
assert(is_point_on_line([10,0], [[-10,0], [10,0]],SEGMENT) == true);
assert(is_point_on_line([15,0], [[-10,0], [10,0]],SEGMENT) == false);
assert(point_on_line([0,-15], [[0,-10], [0,10]],SEGMENT) == false);
assert(point_on_line([0,-10], [[0,-10], [0,10]],SEGMENT) == true);
assert(point_on_line([0, -5], [[0,-10], [0,10]],SEGMENT) == true);
assert(point_on_line([0, 0], [[0,-10], [0,10]],SEGMENT) == true);
assert(point_on_line([3, 3], [[0,-10], [0,10]],SEGMENT) == false);
assert(point_on_line([0, 5], [[0,-10], [0,10]],SEGMENT) == true);
assert(point_on_line([0, 10], [[0,-10], [0,10]],SEGMENT) == true);
assert(point_on_line([0, 15], [[0,-10], [0,10]],SEGMENT) == false);
assert(is_point_on_line([0,-15], [[0,-10], [0,10]],SEGMENT) == false);
assert(is_point_on_line([0,-10], [[0,-10], [0,10]],SEGMENT) == true);
assert(is_point_on_line([0, -5], [[0,-10], [0,10]],SEGMENT) == true);
assert(is_point_on_line([0, 0], [[0,-10], [0,10]],SEGMENT) == true);
assert(is_point_on_line([3, 3], [[0,-10], [0,10]],SEGMENT) == false);
assert(is_point_on_line([0, 5], [[0,-10], [0,10]],SEGMENT) == true);
assert(is_point_on_line([0, 10], [[0,-10], [0,10]],SEGMENT) == true);
assert(is_point_on_line([0, 15], [[0,-10], [0,10]],SEGMENT) == false);
assert(point_on_line([-15,-15], [[-10,-10], [10,10]],SEGMENT) == false);
assert(point_on_line([-10,-10], [[-10,-10], [10,10]],SEGMENT) == true);
assert(point_on_line([ -5, -5], [[-10,-10], [10,10]],SEGMENT) == true);
assert(point_on_line([ 0, 0], [[-10,-10], [10,10]],SEGMENT) == true);
assert(point_on_line([ 0, 3], [[-10,-10], [10,10]],SEGMENT) == false);
assert(point_on_line([ 5, 5], [[-10,-10], [10,10]],SEGMENT) == true);
assert(point_on_line([ 10, 10], [[-10,-10], [10,10]],SEGMENT) == true);
assert(point_on_line([ 15, 15], [[-10,-10], [10,10]],SEGMENT) == false);
assert(is_point_on_line([-15,-15], [[-10,-10], [10,10]],SEGMENT) == false);
assert(is_point_on_line([-10,-10], [[-10,-10], [10,10]],SEGMENT) == true);
assert(is_point_on_line([ -5, -5], [[-10,-10], [10,10]],SEGMENT) == true);
assert(is_point_on_line([ 0, 0], [[-10,-10], [10,10]],SEGMENT) == true);
assert(is_point_on_line([ 0, 3], [[-10,-10], [10,10]],SEGMENT) == false);
assert(is_point_on_line([ 5, 5], [[-10,-10], [10,10]],SEGMENT) == true);
assert(is_point_on_line([ 10, 10], [[-10,-10], [10,10]],SEGMENT) == true);
assert(is_point_on_line([ 15, 15], [[-10,-10], [10,10]],SEGMENT) == false);
assert(point_on_line([10,10], [[0,0],[5,5]]) == true);
assert(point_on_line([4,4], [[0,0],[5,5]]) == true);
assert(point_on_line([-2,-2], [[0,0],[5,5]]) == true);
assert(point_on_line([5,5], [[0,0],[5,5]]) == true);
assert(point_on_line([10,10], [[0,0],[5,5]],RAY) == true);
assert(point_on_line([0,0], [[0,0],[5,5]],RAY) == true);
assert(point_on_line([3,3], [[0,0],[5,5]],RAY) == true);
assert(is_point_on_line([10,10], [[0,0],[5,5]]) == true);
assert(is_point_on_line([4,4], [[0,0],[5,5]]) == true);
assert(is_point_on_line([-2,-2], [[0,0],[5,5]]) == true);
assert(is_point_on_line([5,5], [[0,0],[5,5]]) == true);
assert(is_point_on_line([10,10], [[0,0],[5,5]],RAY) == true);
assert(is_point_on_line([0,0], [[0,0],[5,5]],RAY) == true);
assert(is_point_on_line([3,3], [[0,0],[5,5]],RAY) == true);
}
*test_point_on_line();
*test_is_point_on_line();
module test__point_left_of_line2d() {
@@ -312,18 +311,18 @@ module test__point_left_of_line2d() {
}
test__point_left_of_line2d();
module test_collinear() {
assert(collinear([-10,-10], [-15, -16], [10,10]) == false);
assert(collinear([[-10,-10], [-15, -16], [10,10]]) == false);
assert(collinear([-10,-10], [-15, -15], [10,10]) == true);
assert(collinear([[-10,-10], [-15, -15], [10,10]]) == true);
assert(collinear([-10,-10], [ -3, 0], [10,10]) == false);
assert(collinear([-10,-10], [ 0, 0], [10,10]) == true);
assert(collinear([-10,-10], [ 3, 0], [10,10]) == false);
assert(collinear([-10,-10], [ 15, 15], [10,10]) == true);
assert(collinear([-10,-10], [ 15, 16], [10,10]) == false);
module test_is_collinear() {
assert(is_collinear([-10,-10], [-15, -16], [10,10]) == false);
assert(is_collinear([[-10,-10], [-15, -16], [10,10]]) == false);
assert(is_collinear([-10,-10], [-15, -15], [10,10]) == true);
assert(is_collinear([[-10,-10], [-15, -15], [10,10]]) == true);
assert(is_collinear([-10,-10], [ -3, 0], [10,10]) == false);
assert(is_collinear([-10,-10], [ 0, 0], [10,10]) == true);
assert(is_collinear([-10,-10], [ 3, 0], [10,10]) == false);
assert(is_collinear([-10,-10], [ 15, 15], [10,10]) == true);
assert(is_collinear([-10,-10], [ 15, 16], [10,10]) == false);
}
*test_collinear();
*test_is_collinear();
module test_point_line_distance() {
@@ -730,26 +729,26 @@ module test_polygon_line_intersection() {
*test_polygon_line_intersection();
module test_coplanar() {
assert(coplanar([ [5,5,1],[0,0,1],[-1,-1,1] ]) == false);
assert(coplanar([ [5,5,1],[0,0,0],[-1,-1,1] ]) == true);
assert(coplanar([ [0,0,0],[1,0,1],[1,1,1], [0,1,2] ]) == false);
assert(coplanar([ [0,0,0],[1,0,1],[1,1,2], [0,1,1] ]) == true);
module test_is_coplanar() {
assert(is_coplanar([ [5,5,1],[0,0,1],[-1,-1,1] ]) == false);
assert(is_coplanar([ [5,5,1],[0,0,0],[-1,-1,1] ]) == true);
assert(is_coplanar([ [0,0,0],[1,0,1],[1,1,1], [0,1,2] ]) == false);
assert(is_coplanar([ [0,0,0],[1,0,1],[1,1,2], [0,1,1] ]) == true);
}
*test_coplanar();
*test_is_coplanar();
module test_above_plane() {
module test_is_above_plane() {
plane = plane3pt([0,0,0], [0,10,10], [10,0,10]);
assert(above_plane(plane, [5,5,10]) == false);
assert(above_plane(plane, [-5,0,0]) == true);
assert(above_plane(plane, [5,0,0]) == false);
assert(above_plane(plane, [0,-5,0]) == true);
assert(above_plane(plane, [0,5,0]) == false);
assert(above_plane(plane, [0,0,5]) == true);
assert(above_plane(plane, [0,0,-5]) == false);
assert(is_above_plane(plane, [5,5,10]) == false);
assert(is_above_plane(plane, [-5,0,0]) == true);
assert(is_above_plane(plane, [5,0,0]) == false);
assert(is_above_plane(plane, [0,-5,0]) == true);
assert(is_above_plane(plane, [0,5,0]) == false);
assert(is_above_plane(plane, [0,0,5]) == true);
assert(is_above_plane(plane, [0,0,-5]) == false);
}
*test_above_plane();
*test_is_above_plane();
module test_is_path() {
@@ -820,15 +819,6 @@ module test_polygon_shift() {
*test_polygon_shift();
module test_polygon_shift_to_closest_point() {
path = [[1,1],[-1,1],[-1,-1],[1,-1]];
assert(polygon_shift_to_closest_point(path,[1.1,1.1]) == [[1,1],[-1,1],[-1,-1],[1,-1]]);
assert(polygon_shift_to_closest_point(path,[-1.1,1.1]) == [[-1,1],[-1,-1],[1,-1],[1,1]]);
assert(polygon_shift_to_closest_point(path,[-1.1,-1.1]) == [[-1,-1],[1,-1],[1,1],[-1,1]]);
assert(polygon_shift_to_closest_point(path,[1.1,-1.1]) == [[1,-1],[1,1],[-1,1],[-1,-1]]);
}
*test_polygon_shift_to_closest_point();
module test_reindex_polygon() {
pent = subdivide_path([for(i=[0:4])[sin(72*i),cos(72*i)]],5);