TEST(VectorBase, Addition) {
float fv[2] = {1.1f, 3.2f};
FasTC::VectorBase<float, 2> v2f (fv);
int uv[2] = {5, 2};
FasTC::VectorBase<int, 2> v2u (uv);
FasTC::VectorBase<int, 2> au = v2u + v2f;
EXPECT_EQ(au[0], 6);
EXPECT_EQ(au[1], 5);
au = v2u + fv + uv;
EXPECT_EQ(au[0], 11);
EXPECT_EQ(au[1], 7);
FasTC::VectorBase<float, 2> af = v2f + v2u;
EXPECT_NEAR(af[0], 6.1f, kEpsilon);
EXPECT_NEAR(af[1], 5.2f, kEpsilon);
au = v2u - v2f;
EXPECT_EQ(au[0], 4);
EXPECT_EQ(au[1], -1);
af = v2f - v2u;
EXPECT_NEAR(af[0], -3.9f, kEpsilon);
EXPECT_NEAR(af[1], 1.2f, kEpsilon);
}
TEST(VectorBase, Scaling) {
float fv[2] = {1.0f, 3.0f};
FasTC::VectorBase<float, 2> v2f (fv);
FasTC::VectorBase<float, 2> v2fd = v2f * 3.0f;
EXPECT_NEAR(v2fd[0], 3.0f, kEpsilon);
EXPECT_NEAR(v2fd[1], 9.0f, kEpsilon);
v2fd = -1.0 * v2f;
EXPECT_NEAR(v2fd[0], -1.0f, kEpsilon);
EXPECT_NEAR(v2fd[1], -3.0f, kEpsilon);
v2fd = v2f / 3;
EXPECT_NEAR(v2fd[0], 1.0f / 3.0f, kEpsilon);
EXPECT_NEAR(v2fd[1], 1.0f, kEpsilon);
unsigned uv[2] = {1, 3};
FasTC::VectorBase<unsigned, 2> v2u (uv);
FasTC::VectorBase<unsigned, 2> v2ud = v2u * 0.5;
EXPECT_EQ(v2ud[0], static_cast<unsigned>(0));
EXPECT_EQ(v2ud[1], static_cast<unsigned>(1));
v2ud = v2u / 0.5f;
EXPECT_EQ(v2ud[0], static_cast<unsigned>(2));
EXPECT_EQ(v2ud[1], static_cast<unsigned>(6));
}
void Game::render () {
CNTRL ("game_render");
window.clear ();
if (v2u (R_WIND_WIDTH, R_WIND_HEIGHT) != window.getSize ()) {
R_WIND_WIDTH = window.getSize ().x;
R_WIND_HEIGHT = window.getSize ().y;
}
all_spaces["MAIN"]->render ();
window.display ();
}
TEST(VectorBase, Normalization) {
float fv[2] = {1, 0};
FasTC::VectorBase<float, 2> v2f (fv);
v2f.Normalize();
EXPECT_NEAR(v2f[0], 1, kEpsilon);
EXPECT_NEAR(v2f[1], 0, kEpsilon);
// Normalized vector should be sqrt(2) for each axis, although
// this can't be represented as integers...
unsigned uv[2] = {2, 2};
FasTC::VectorBase<unsigned, 2> v2u (uv);
v2u.Normalize();
EXPECT_EQ(v2u[0], static_cast<unsigned>(1));
EXPECT_EQ(v2u[1], static_cast<unsigned>(1));
const double sqrt2 = sqrt(2.0f)/2.0f;
for(int i = 2; i < 10; i++) {
v2f[0] = static_cast<float>(i);
v2f[1] = static_cast<float>(i);
v2f.Normalize();
EXPECT_NEAR(v2f[0], sqrt2, kEpsilon);
EXPECT_NEAR(v2f[1], sqrt2, kEpsilon);
}
}
