diff options
Diffstat (limited to 'browser/devtools/tilt/test/browser_tilt_math02.js')
-rw-r--r-- | browser/devtools/tilt/test/browser_tilt_math02.js | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/browser/devtools/tilt/test/browser_tilt_math02.js b/browser/devtools/tilt/test/browser_tilt_math02.js new file mode 100644 index 000000000..dae2708c4 --- /dev/null +++ b/browser/devtools/tilt/test/browser_tilt_math02.js @@ -0,0 +1,104 @@ +/* Any copyright is dedicated to the Public Domain. + http://creativecommons.org/publicdomain/zero/1.0/ */ +"use strict"; + +function test() { + let v1 = vec3.create(); + + ok(v1, "Should have created a vector with vec3.create()."); + is(v1.length, 3, "A vec3 should have 3 elements."); + + ok(isApproxVec(v1, [0, 0, 0]), + "When created, a vec3 should have the values default to 0."); + + vec3.set([1, 2, 3], v1); + ok(isApproxVec(v1, [1, 2, 3]), + "The vec3.set() function didn't set the values correctly."); + + vec3.zero(v1); + ok(isApproxVec(v1, [0, 0, 0]), + "The vec3.zero() function didn't set the values correctly."); + + let v2 = vec3.create([4, 5, 6]); + ok(isApproxVec(v2, [4, 5, 6]), + "When cloning arrays, a vec3 should have the values copied."); + + let v3 = vec3.create(v2); + ok(isApproxVec(v3, [4, 5, 6]), + "When cloning vectors, a vec3 should have the values copied."); + + vec3.add(v2, v3); + ok(isApproxVec(v2, [8, 10, 12]), + "The vec3.add() function didn't set the x value correctly."); + + vec3.subtract(v2, v3); + ok(isApproxVec(v2, [4, 5, 6]), + "The vec3.subtract() function didn't set the values correctly."); + + vec3.negate(v2); + ok(isApproxVec(v2, [-4, -5, -6]), + "The vec3.negate() function didn't set the values correctly."); + + vec3.scale(v2, -2); + ok(isApproxVec(v2, [8, 10, 12]), + "The vec3.scale() function didn't set the values correctly."); + + vec3.normalize(v1); + ok(isApproxVec(v1, [0, 0, 0]), + "Normalizing a vector with zero length should return [0, 0, 0]."); + + vec3.normalize(v2); + ok(isApproxVec(v2, [ + 0.4558423161506653, 0.5698028802871704, 0.6837634444236755 + ]), "The vec3.normalize() function didn't set the values correctly."); + + vec3.cross(v2, v3); + ok(isApproxVec(v2, [ + 5.960464477539063e-8, -1.1920928955078125e-7, 5.960464477539063e-8 + ]), "The vec3.cross() function didn't set the values correctly."); + + vec3.dot(v2, v3); + ok(isApproxVec(v2, [ + 5.960464477539063e-8, -1.1920928955078125e-7, 5.960464477539063e-8 + ]), "The vec3.dot() function didn't set the values correctly."); + + ok(isApproxVec([vec3.length(v2)], [1.4600096599955427e-7]), + "The vec3.length() function didn't calculate the value correctly."); + + vec3.direction(v2, v3); + ok(isApproxVec(v2, [ + -0.4558422863483429, -0.5698028802871704, -0.6837634444236755 + ]), "The vec3.direction() function didn't set the values correctly."); + + vec3.lerp(v2, v3, 0.5); + ok(isApproxVec(v2, [ + 1.7720788717269897, 2.2150986194610596, 2.65811824798584 + ]), "The vec3.lerp() function didn't set the values correctly."); + + + vec3.project([100, 100, 10], [0, 0, 100, 100], + mat4.create(), mat4.perspective(45, 1, 0.1, 100), v1); + ok(isApproxVec(v1, [-1157.10693359375, 1257.10693359375, 0]), + "The vec3.project() function didn't set the values correctly."); + + vec3.unproject([100, 100, 1], [0, 0, 100, 100], + mat4.create(), mat4.perspective(45, 1, 0.1, 100), v1); + ok(isApproxVec(v1, [ + 41.420406341552734, -41.420406341552734, -99.99771118164062 + ]), "The vec3.project() function didn't set the values correctly."); + + + let ray = vec3.createRay([10, 10, 0], [100, 100, 1], [0, 0, 100, 100], + mat4.create(), mat4.perspective(45, 1, 0.1, 100)); + + ok(isApproxVec(ray.origin, [ + -0.03313708305358887, 0.03313708305358887, -0.1000000014901161 + ]), "The vec3.createRay() function didn't create the position correctly."); + ok(isApproxVec(ray.direction, [ + 0.35788586614428364, -0.35788586614428364, -0.862458934459091 + ]), "The vec3.createRay() function didn't create the direction correctly."); + + + is(vec3.str([0, 0, 0]), "[0, 0, 0]", + "The vec3.str() function didn't work properly."); +} |