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test convex collision and distance

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RonaldoCMP
2021-06-21 20:43:12 +01:00
parent 9c2e4c23ac
commit da0181fbb0
1 changed files with 35 additions and 10 deletions
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43
tests/test_geometry.scad
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@@ -91,6 +91,7 @@ test_simplify_path();
test_simplify_path_indexed(); test_simplify_path_indexed();
test_is_region(); test_is_region();
test_convex_distance(); test_convex_distance();
test_convex_collision();
// to be used when there are two alternative symmetrical outcomes // to be used when there are two alternative symmetrical outcomes
// from a function like a plane output; v must be a vector // from a function like a plane output; v must be a vector
@@ -1076,18 +1077,42 @@ module test_is_region() {
*test_is_region(); *test_is_region();
module test_convex_distance() { module test_convex_distance() {
// 2D
c1 = circle(10,$fn=24); c1 = circle(10,$fn=24);
c2 = move([15,0], p=c1); c2 = move([15,0], p=c1);
assert(convex_distance(c1, c2)==0); assert(convex_distance(c1, c2)==0);
c3 = move([22,0],c1); c3 = move([22,0],c1);
assert(abs(convex_distance(c1, c3)-2)<EPSILON); assert_approx(convex_distance(c1, c3),2);
// 3D
s1 = sphere(10,$fn=4); s1 = sphere(10,$fn=4);
s2 = move([15,0], p=s1); s2 = move([15,0], p=s1);
assert_approx(convex_distance(s1[0], s2[0]), 0.857864376269); assert_approx(convex_distance(s1[0], s2[0]), 0.857864376269);
s3 = move([25.3,0],s1); s3 = move([25.3,0],s1);
assert_approx(convex_distance(s1[0], s3[0]), 11.1578643763); assert_approx(convex_distance(s1[0], s3[0]), 11.1578643763);
s4 = move([30,25],s1); s4 = move([30,25],s1);
assert_approx(convex_distance(s1[0], s4[0]), 28.8908729653); assert_approx(convex_distance(s1[0], s4[0]), 28.8908729653);
s5 = move([10*sqrt(2),0],s1);
assert_approx(convex_distance(s1[0], s5[0]), 0);
}
*test_convex_distance();
module test_convex_collision() {
// 2D
c1 = circle(10,$fn=24);
c2 = move([15,0], p=c1);
assert(convex_collision(c1, c2));
c3 = move([22,0],c1);
assert(!convex_collision(c1, c3));
// 3D
s1 = sphere(10,$fn=4);
s2 = move([15,0], p=s1);
assert(!convex_collision(s1[0], s2[0]));
s3 = move([25.3,0],s1);
assert(!convex_collision(s1[0], s3[0]));
s4 = move([5,0],s1);
assert(convex_collision(s1[0], s4[0]));
s5 = move([10*sqrt(2),0],s1);
assert(convex_collision(s1[0], s5[0]));
} }
*test_convex_distance(); *test_convex_distance();