change tests

test/test_intersects.cpp

@@ -12,25 +12,47 @@ using namespace maths;
 
 #define let auto // sexy boiiii
 
-static void test_basic() {
+static void test_left() {
     let box = AABB { {-1.0f, -1.0f, -1.0f}, {1.0f, 1.0f, 1.0f} };
-    let ray = Ray { {-3.0f, 0.0f, 0.0f}, {1.0f, 0.0f, 0.0f} };
+    let ray = Ray { {-2.0f, 0.0f, 0.0f}, {1.0f, 0.0f, 0.0f} };
 
-    blitz_test_assert(Distance(ray, box));
+    blitz_test_assert(Intersects(ray, box));
 }
 
+static void test_right() {
+    let box = AABB { {-1.0f, -1.0f, -1.0f}, {1.0f, 1.0f, 1.0f} };
+    let ray = Ray { {2.0f, 0.0f, 0.0f}, {-1.0f, 0.0f, 0.0f} };
 
+    blitz_test_assert(Intersects(ray, box));
+}
+
+static void test_forward() {
+    let box = AABB { {-1.0f, -1.0f, -1.0f}, {1.0f, 1.0f, 1.0f} };
+    let ray = Ray { {0.0f, 2.0f, 0.0f}, {0.0f, -1.0f, 0.0f} };
+
+    blitz_test_assert(Intersects(ray, box));
+}
+
+static void test_backward() {
+    let box = AABB { {-1.0f, -1.0f, -1.0f}, {1.0f, 1.0f, 1.0f} };
+    let ray = Ray { {0.0f, -2.0f, 0.0f}, {0.0f, 1.0f, 0.0f} };
+
+    blitz_test_assert(Intersects(ray, box));
+}
 
 static void test_shifted() {
 
     let box = AABB { {-1.0f, -1.0f, -1.0f}, {1.0f, 1.0f, 1.0f} };
     let ray = Ray { {-3.0f, 0.0f, 100.0f}, {1.0f, 0.0f, 0.0f} };
 
-    blitz_test_assert(!Distance(ray, box));
+    blitz_test_assert(!Intersects(ray, box));
 }
 
 int main(int argc, const char* args[]) {
-    test_basic();
+    test_left();
+    test_right();
+    test_forward();
+    test_backward();
     test_shifted();
     return BLITZ_TEST_SUCCESSFUL;
 }