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#include <SFML/Graphics/Transformable.hpp>
#include <catch2/catch_test_macros.hpp>
#include <GraphicsUtil.hpp>
#include <type_traits>
TEST_CASE("[Graphics] sf::Transformable")
{
SECTION("Type traits")
{
STATIC_CHECK(std::is_copy_constructible_v<sf::Transformable>);
STATIC_CHECK(std::is_copy_assignable_v<sf::Transformable>);
STATIC_CHECK(std::is_nothrow_move_constructible_v<sf::Transformable>);
STATIC_CHECK(std::is_nothrow_move_assignable_v<sf::Transformable>);
}
SECTION("Construction")
{
const sf::Transformable transformable;
CHECK(transformable.getPosition() == sf::Vector2f(0, 0));
CHECK(transformable.getRotation() == sf::Angle::Zero);
CHECK(transformable.getScale() == sf::Vector2f(1, 1));
CHECK(transformable.getOrigin() == sf::Vector2f(0, 0));
CHECK(transformable.getTransform() == sf::Transform());
CHECK(transformable.getInverseTransform() == sf::Transform());
}
SECTION("Setters and getters")
{
sf::Transformable transformable;
transformable.setPosition({3, 4});
CHECK(transformable.getPosition() == sf::Vector2f(3, 4));
transformable.setRotation(sf::degrees(3.14f));
CHECK(transformable.getRotation() == Approx(sf::degrees(3.14f)));
transformable.setRotation(sf::degrees(540));
CHECK(transformable.getRotation() == Approx(sf::degrees(180)));
transformable.setRotation(sf::degrees(-72));
CHECK(transformable.getRotation() == Approx(sf::degrees(288)));
transformable.setScale({5, 6});
CHECK(transformable.getScale() == sf::Vector2f(5, 6));
transformable.setOrigin({7, 8});
CHECK(transformable.getOrigin() == sf::Vector2f(7, 8));
sf::Transform transform;
transform.translate(transformable.getPosition() - transformable.getOrigin());
transform.rotate(transformable.getRotation(), transformable.getOrigin());
transform.scale(transformable.getScale(), transformable.getOrigin());
CHECK(transformable.getTransform().getMatrix()[0] == Approx(transform.getMatrix()[0]));
CHECK(transformable.getTransform().getMatrix()[1] == Approx(transform.getMatrix()[1]));
CHECK(transformable.getTransform().getMatrix()[2] == Approx(transform.getMatrix()[2]));
CHECK(transformable.getTransform().getMatrix()[3] == Approx(transform.getMatrix()[3]));
CHECK(transformable.getTransform().getMatrix()[4] == Approx(transform.getMatrix()[4]));
CHECK(transformable.getTransform().getMatrix()[5] == Approx(transform.getMatrix()[5]));
CHECK(transformable.getTransform().getMatrix()[6] == Approx(transform.getMatrix()[6]));
CHECK(transformable.getTransform().getMatrix()[7] == Approx(transform.getMatrix()[7]));
CHECK(transformable.getTransform().getMatrix()[8] == Approx(transform.getMatrix()[8]));
CHECK(transformable.getTransform().getMatrix()[9] == Approx(transform.getMatrix()[9]));
CHECK(transformable.getTransform().getMatrix()[10] == Approx(transform.getMatrix()[10]));
CHECK(transformable.getTransform().getMatrix()[11] == Approx(transform.getMatrix()[11]));
CHECK(transformable.getTransform().getMatrix()[12] == Approx(transform.getMatrix()[12]));
CHECK(transformable.getTransform().getMatrix()[13] == Approx(transform.getMatrix()[13]));
CHECK(transformable.getTransform().getMatrix()[14] == Approx(transform.getMatrix()[14]));
CHECK(transformable.getTransform().getMatrix()[15] == Approx(transform.getMatrix()[15]));
const sf::Transform inverseTransform = transform.getInverse();
CHECK(transformable.getInverseTransform().getMatrix()[0] == Approx(inverseTransform.getMatrix()[0]));
CHECK(transformable.getInverseTransform().getMatrix()[1] == Approx(inverseTransform.getMatrix()[1]));
CHECK(transformable.getInverseTransform().getMatrix()[2] == Approx(inverseTransform.getMatrix()[2]));
CHECK(transformable.getInverseTransform().getMatrix()[3] == Approx(inverseTransform.getMatrix()[3]));
CHECK(transformable.getInverseTransform().getMatrix()[4] == Approx(inverseTransform.getMatrix()[4]));
CHECK(transformable.getInverseTransform().getMatrix()[5] == Approx(inverseTransform.getMatrix()[5]));
CHECK(transformable.getInverseTransform().getMatrix()[6] == Approx(inverseTransform.getMatrix()[6]));
CHECK(transformable.getInverseTransform().getMatrix()[7] == Approx(inverseTransform.getMatrix()[7]));
CHECK(transformable.getInverseTransform().getMatrix()[8] == Approx(inverseTransform.getMatrix()[8]));
CHECK(transformable.getInverseTransform().getMatrix()[9] == Approx(inverseTransform.getMatrix()[9]));
CHECK(transformable.getInverseTransform().getMatrix()[10] == Approx(inverseTransform.getMatrix()[10]));
CHECK(transformable.getInverseTransform().getMatrix()[11] == Approx(inverseTransform.getMatrix()[11]));
CHECK(transformable.getInverseTransform().getMatrix()[12] == Approx(inverseTransform.getMatrix()[12]));
CHECK(transformable.getInverseTransform().getMatrix()[13] == Approx(inverseTransform.getMatrix()[13]));
CHECK(transformable.getInverseTransform().getMatrix()[14] == Approx(inverseTransform.getMatrix()[14]));
CHECK(transformable.getInverseTransform().getMatrix()[15] == Approx(inverseTransform.getMatrix()[15]));
}
SECTION("move()")
{
sf::Transformable transformable;
CHECK(transformable.getPosition() == sf::Vector2f(0, 0));
transformable.move({9, 10});
CHECK(transformable.getPosition() == sf::Vector2f(9, 10));
transformable.move({-15, 2});
CHECK(transformable.getPosition() == sf::Vector2f(-6, 12));
}
SECTION("rotate()")
{
sf::Transformable transformable;
CHECK(transformable.getRotation() == sf::Angle::Zero);
transformable.rotate(sf::degrees(15));
CHECK(transformable.getRotation() == Approx(sf::degrees(15)));
transformable.rotate(sf::degrees(360));
CHECK(transformable.getRotation() == Approx(sf::degrees(15)));
transformable.rotate(sf::degrees(-25));
CHECK(transformable.getRotation() == Approx(sf::degrees(350)));
transformable.rotate(sf::degrees(-720));
CHECK(transformable.getRotation() == Approx(sf::degrees(350)));
transformable.rotate(sf::degrees(-370));
CHECK(transformable.getRotation() == Approx(sf::degrees(340)));
}
SECTION("scale()")
{
sf::Transformable transformable;
CHECK(transformable.getScale() == sf::Vector2f(1, 1));
transformable.scale({2, 3});
CHECK(transformable.getScale() == sf::Vector2f(2, 3));
transformable.scale({2, 1});
CHECK(transformable.getScale() == sf::Vector2f(4, 3));
transformable.scale({-1, -1});
CHECK(transformable.getScale() == sf::Vector2f(-4, -3));
}
}
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