TEST(Transformable_objects, can_be_moved)
{
Transformable t;
EXPECT_EQ(vec3(0,0,0), t.position());
t.moveTo(1,1,1);
EXPECT_EQ(vec3(1,1,1), t.position());
t.moveTo(vec3(5,5,5));
EXPECT_EQ(vec3(5,5,5), t.position());
t.move(vec3(-1,-1,-1), 3);
EXPECT_EQ(vec3(2,2,2), t.position());
}
TEST(Transformable_objects, have_a_translation_matrix_to_move_form_model_space_to_world_space)
{
Transformable model;
vec3 pInModelSpace(1,1,1), pInWorldSpace(2,3,4);
model.moveTo(1,2,3);
EXPECT_EQ(pInWorldSpace, (model.translationMatrix() * vec4(pInModelSpace,1)).xyz());
}
TEST(Transformable_objects, can_be_aligned_with_direction_using_alignWith)
{
Transformable t;
t.moveTo(5,5,5);
vec3 direction(1,0,-1);
t.alignWith(direction);
EXPECT_EQ(normalize(direction), t.forward());
EXPECT_EQ(vec3(5,5,5), t.position());
}