new wrappers for lookat

test/src/test_cam.c

@@ -7,6 +7,22 @@
 
 #include "test_common.h"
 
+void
+test_camera_lookat(void **state) {
+  mat4  view1, view2;
+  vec3 eye    = {0.024f, 14.6f, 67.04f},
+       dir    = {0.0f, 0.0f, -1.0f},
+       up     = GLM_YUP,
+       center;
+
+  glm_vec_add(eye, dir, center);
+  glm_lookat(eye, center, up, view1);
+
+  glm_look(eye, dir, up, view2);
+
+  test_assert_mat4_eq(view1, view2);
+}
+
 void
 test_camera_decomp(void **state) {
   mat4  proj, proj2;
@@ -35,4 +51,3 @@ test_camera_decomp(void **state) {
 
   test_assert_mat4_eq(proj, proj2);
 }
-

test/src/test_main.c

@@ -13,10 +13,9 @@ main(int argc, const char * argv[]) {
     cmocka_unit_test(test_mat4),
 
     /* camera */
+    cmocka_unit_test(test_camera_lookat),
     cmocka_unit_test(test_camera_decomp)
   };
 
-  return cmocka_run_group_tests(tests,
-                                NULL,
-                                NULL);
+  return cmocka_run_group_tests(tests, NULL, NULL);
 }

test/src/test_tests.h

@@ -10,6 +10,9 @@
 void test_mat4(void **state);
 
 /* camera */
+void
+test_camera_lookat(void **state);
+
 void
 test_camera_decomp(void **state);