From aba19e9f43a571b022479bbb10b490c46e16c574 Mon Sep 17 00:00:00 2001 From: David Thompson Date: Sat, 2 Oct 2021 07:55:11 -0400 Subject: math: vector: Fix vec2-cross. --- tests/math/vector.scm | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) (limited to 'tests/math') diff --git a/tests/math/vector.scm b/tests/math/vector.scm index e87c241..c3fc900 100644 --- a/tests/math/vector.scm +++ b/tests/math/vector.scm @@ -38,8 +38,13 @@ (vec2-magnitude (vec2 0.0 0.0)) 0.0)) (test-equal "vec2-dot" (vec2-dot (vec2 1.0 2.0) (vec2 3.0 4.0)) 11.0) - (test-equal "vec2-cross" - (vec2-cross (vec2 1.0 2.0) (vec2 3.0 4.0)) -5.0) + (test-group "vec2-cross" + (test-equal "same line" + (vec2-cross (vec2 1.0 2.0) (vec2 2.0 4.0)) 0.0) + (test-equal "clockwise" + (vec2-cross (vec2 1.0 2.0) (vec2 0.0 2.0)) 2.0) + (test-equal "counter-clockwise" + (vec2-cross (vec2 1.0 2.0) (vec2 2.0 0.0)) -4.0)) (test-approximate "vec2-normalize" (vec2-magnitude (vec2-normalize (vec2 3.7 4.9))) 1.0 0.001) (test-group "vec2*" -- cgit v1.2.3