browser/devtools/tilt/test/browser_tilt_math02.js

branch
TOR_BUG_9701
changeset 11
deefc01c0e14
equal deleted inserted replaced
-1:000000000000 0:bfe596362c03
1 /* Any copyright is dedicated to the Public Domain.
2 http://creativecommons.org/publicdomain/zero/1.0/ */
3 "use strict";
4
5 function test() {
6 let v1 = vec3.create();
7
8 ok(v1, "Should have created a vector with vec3.create().");
9 is(v1.length, 3, "A vec3 should have 3 elements.");
10
11 ok(isApproxVec(v1, [0, 0, 0]),
12 "When created, a vec3 should have the values default to 0.");
13
14 vec3.set([1, 2, 3], v1);
15 ok(isApproxVec(v1, [1, 2, 3]),
16 "The vec3.set() function didn't set the values correctly.");
17
18 vec3.zero(v1);
19 ok(isApproxVec(v1, [0, 0, 0]),
20 "The vec3.zero() function didn't set the values correctly.");
21
22 let v2 = vec3.create([4, 5, 6]);
23 ok(isApproxVec(v2, [4, 5, 6]),
24 "When cloning arrays, a vec3 should have the values copied.");
25
26 let v3 = vec3.create(v2);
27 ok(isApproxVec(v3, [4, 5, 6]),
28 "When cloning vectors, a vec3 should have the values copied.");
29
30 vec3.add(v2, v3);
31 ok(isApproxVec(v2, [8, 10, 12]),
32 "The vec3.add() function didn't set the x value correctly.");
33
34 vec3.subtract(v2, v3);
35 ok(isApproxVec(v2, [4, 5, 6]),
36 "The vec3.subtract() function didn't set the values correctly.");
37
38 vec3.negate(v2);
39 ok(isApproxVec(v2, [-4, -5, -6]),
40 "The vec3.negate() function didn't set the values correctly.");
41
42 vec3.scale(v2, -2);
43 ok(isApproxVec(v2, [8, 10, 12]),
44 "The vec3.scale() function didn't set the values correctly.");
45
46 vec3.normalize(v1);
47 ok(isApproxVec(v1, [0, 0, 0]),
48 "Normalizing a vector with zero length should return [0, 0, 0].");
49
50 vec3.normalize(v2);
51 ok(isApproxVec(v2, [
52 0.4558423161506653, 0.5698028802871704, 0.6837634444236755
53 ]), "The vec3.normalize() function didn't set the values correctly.");
54
55 vec3.cross(v2, v3);
56 ok(isApproxVec(v2, [
57 5.960464477539063e-8, -1.1920928955078125e-7, 5.960464477539063e-8
58 ]), "The vec3.cross() function didn't set the values correctly.");
59
60 vec3.dot(v2, v3);
61 ok(isApproxVec(v2, [
62 5.960464477539063e-8, -1.1920928955078125e-7, 5.960464477539063e-8
63 ]), "The vec3.dot() function didn't set the values correctly.");
64
65 ok(isApproxVec([vec3.length(v2)], [1.4600096599955427e-7]),
66 "The vec3.length() function didn't calculate the value correctly.");
67
68 vec3.direction(v2, v3);
69 ok(isApproxVec(v2, [
70 -0.4558422863483429, -0.5698028802871704, -0.6837634444236755
71 ]), "The vec3.direction() function didn't set the values correctly.");
72
73 vec3.lerp(v2, v3, 0.5);
74 ok(isApproxVec(v2, [
75 1.7720788717269897, 2.2150986194610596, 2.65811824798584
76 ]), "The vec3.lerp() function didn't set the values correctly.");
77
78
79 vec3.project([100, 100, 10], [0, 0, 100, 100],
80 mat4.create(), mat4.perspective(45, 1, 0.1, 100), v1);
81 ok(isApproxVec(v1, [-1157.10693359375, 1257.10693359375, 0]),
82 "The vec3.project() function didn't set the values correctly.");
83
84 vec3.unproject([100, 100, 1], [0, 0, 100, 100],
85 mat4.create(), mat4.perspective(45, 1, 0.1, 100), v1);
86 ok(isApproxVec(v1, [
87 41.420406341552734, -41.420406341552734, -99.99771118164062
88 ]), "The vec3.project() function didn't set the values correctly.");
89
90
91 let ray = vec3.createRay([10, 10, 0], [100, 100, 1], [0, 0, 100, 100],
92 mat4.create(), mat4.perspective(45, 1, 0.1, 100));
93
94 ok(isApproxVec(ray.origin, [
95 -0.03313708305358887, 0.03313708305358887, -0.1000000014901161
96 ]), "The vec3.createRay() function didn't create the position correctly.");
97 ok(isApproxVec(ray.direction, [
98 0.35788586614428364, -0.35788586614428364, -0.862458934459091
99 ]), "The vec3.createRay() function didn't create the direction correctly.");
100
101
102 is(vec3.str([0, 0, 0]), "[0, 0, 0]",
103 "The vec3.str() function didn't work properly.");
104 }

mercurial