should equals approximately0ms ‣
assertTruthy(vec2.equalsApproximately(vec2.create(2, 3), vec2.create(2, 3)));
assertTruthy(vec2.equalsApproximately(vec2.create(2, 3), vec2.create(2 + utils.EPSILON * 0.5, 3)));
assertFalsy(vec2.equalsApproximately(vec2.create(2, 3), vec2.create(2.001, 3)));