示例#1
0
void EditorIcon::render(PipelineInstance& pipeline)
{
	static const float MIN_SCALE_FACTOR = 10;
	static const float MAX_SCALE_FACTOR = 60;
	if (m_is_visible)
	{
		const Universe& universe = m_scene->getUniverse();
		ComponentIndex camera = m_scene->getCameraInSlot("editor");
		Lumix::Matrix mtx =
			universe.getMatrix(m_scene->getCameraEntity(camera));

		float fov = m_scene->getCameraFOV(camera);
		Vec3 position = universe.getPosition(m_entity);
		float distance =
			(position - mtx.getTranslation()).length();

		float scaleFactor = MIN_SCALE_FACTOR + distance;
		scaleFactor =
			Math::clamp(scaleFactor, MIN_SCALE_FACTOR, MAX_SCALE_FACTOR);

		float scale =
			tan(Math::degreesToRadians(fov) * 0.5f) * distance / scaleFactor;

		mtx.setTranslation(position);
		Matrix scale_mtx = Matrix::IDENTITY;
		m_matrix = mtx;
		scale_mtx.m11 = scale_mtx.m22 = scale_mtx.m33 = scale > 0 ? scale : 1;
		mtx = mtx * scale_mtx;
		m_scale = scale;

		if (m_model->isReady())
		{
			pipeline.renderModel(*m_model, mtx);
		}
	}
}
示例#2
0
void UT_quat(const char* params)
{
	Lumix::Quat q1, q2;
	Lumix::Matrix mtx;

	q1.set(1.0f, 0.0f, 0.0f, 0.0f);
	LUMIX_EXPECT_CLOSE_EQ(q1.x, 1.0f, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(q1.y, 0.0f, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(q1.z, 0.0f, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(q1.w, 0.0f, 0.001f);

	q1.toMatrix(mtx);
	mtx.getRotation(q2);
	LUMIX_EXPECT_CLOSE_EQ(q1.x, q2.x, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(q1.y, q2.y, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(q1.z, q2.z, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(q1.w, q2.w, 0.001f);

	q1.set(0, 0, 1, 0);
	q1.toMatrix(mtx);
	mtx.getRotation(q2);
	LUMIX_EXPECT_CLOSE_EQ(q1.x, q2.x, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(q1.y, q2.y, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(q1.z, q2.z, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(q1.w, q2.w, 0.001f);

	q1 = Lumix::Quat(Lumix::Vec3(1, 0, 0), Lumix::Math::PI / 4);
	q1.toMatrix(mtx);
	mtx.getRotation(q2);
	LUMIX_EXPECT_CLOSE_EQ(q1.x, q2.x, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(q1.y, q2.y, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(q1.z, q2.z, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(q1.w, q2.w, 0.001f);

	q1 = Lumix::Quat(Lumix::Vec3(1, 1, 0), Lumix::Math::PI / 6);
	q1.normalize();
	q1.toMatrix(mtx);
	mtx.getRotation(q2);
	LUMIX_EXPECT_CLOSE_EQ(q1.x, q2.x, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(q1.y, q2.y, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(q1.z, q2.z, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(q1.w, q2.w, 0.001f);

	q1.set(0.923879862f, 0, 0, -0.382683545f);
	q1.toMatrix(mtx);
	mtx.getRotation(q2);
	LUMIX_EXPECT_CLOSE_EQ(q1.x, q2.x, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(q1.y, q2.y, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(q1.z, q2.z, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(q1.w, q2.w, 0.001f);

	Lumix::Quat qeuler;
	for (float x = -Lumix::Math::PI + 0.01f; x < Lumix::Math::PI; x += 0.1f)
	{
		for (float y = -Lumix::Math::PI + 0.01f; y < Lumix::Math::PI; y += 0.1f)
		{
			float x = 0;
			for (float z = -Lumix::Math::PI + 0.01f; z < Lumix::Math::PI; z += 0.1f)
			{
				qeuler.fromEuler(Lumix::Vec3(x, y, z));
				Lumix::Vec3 u(0, 1, 0);
				u = qeuler * u;
				Lumix::Vec3 euler = qeuler.toEuler();

				LUMIX_EXPECT_CLOSE_EQ(euler.x, x, 0.001f);
				LUMIX_EXPECT_CLOSE_EQ(euler.y, y, 0.001f);
				LUMIX_EXPECT_CLOSE_EQ(euler.z, z, 0.001f);
			}
		}
	}
}
示例#3
0
void UT_matrix(const char* params)
{
	Lumix::DefaultAllocator allocator;

	for (int i = 0; i < 16; ++i)
	{
		LUMIX_EXPECT_CLOSE_EQ(*((&Lumix::Matrix::IDENTITY.m11) + i), i % 5 == 0 ? 1.0f : 0.0f, 0.001f);
	}
	Lumix::Matrix mtx = Lumix::Matrix::IDENTITY;
	expectSameMatrices(mtx, Lumix::Matrix::IDENTITY);

	LUMIX_EXPECT_CLOSE_EQ(mtx.determinant(), 1.0f, 0.001f);
	
	mtx.inverse();
	expectSameMatrices(mtx, Lumix::Matrix::IDENTITY);

	mtx.fastInverse();
	expectSameMatrices(mtx, Lumix::Matrix::IDENTITY);

	mtx.transpose();
	expectSameMatrices(mtx, Lumix::Matrix::IDENTITY);

	LUMIX_EXPECT_CLOSE_EQ(mtx.getTranslation().x, 0, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(mtx.getTranslation().y, 0, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(mtx.getTranslation().z, 0, 0.001f);

	Lumix::Quat rot;
	mtx.getRotation(rot);
	LUMIX_EXPECT_CLOSE_EQ(rot.x, 0, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(rot.y, 0, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(rot.z, 0, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(rot.w, 1, 0.001f);

	LUMIX_EXPECT_CLOSE_EQ(mtx.getXVector().x, 1, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(mtx.getXVector().y, 0, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(mtx.getXVector().z, 0, 0.001f);

	LUMIX_EXPECT_CLOSE_EQ(mtx.getYVector().x, 0, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(mtx.getYVector().y, 1, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(mtx.getYVector().z, 0, 0.001f);

	LUMIX_EXPECT_CLOSE_EQ(mtx.getZVector().x, 0, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(mtx.getZVector().y, 0, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(mtx.getZVector().z, 1, 0.001f);

	mtx.multiply3x3(1.0f);
	expectSameMatrices(mtx, Lumix::Matrix::IDENTITY);

	Lumix::Vec3 v = mtx.multiplyPosition(Lumix::Vec3(1, 2, 3));
	LUMIX_EXPECT_CLOSE_EQ(v.x, 1, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(v.y, 2, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(v.z, 3, 0.001f);

	mtx.setTranslation(Lumix::Vec3(1, 2, 3));
	LUMIX_EXPECT_CLOSE_EQ(mtx.m41, 1, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(mtx.m42, 2, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(mtx.m43, 3, 0.001f);

	mtx.setIdentity();
	expectSameMatrices(mtx, Lumix::Matrix::IDENTITY);

	mtx.translate(Lumix::Vec3(1, 2, 3));
	LUMIX_EXPECT_CLOSE_EQ(mtx.m41, 1, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(mtx.m42, 2, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(mtx.m43, 3, 0.001f);
	mtx.setIdentity();

	mtx.setXVector(Lumix::Vec3(3, 2, 1));
	LUMIX_EXPECT_CLOSE_EQ(mtx.m11, 3, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(mtx.m12, 2, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(mtx.m13, 1, 0.001f);

	mtx.setYVector(Lumix::Vec3(6, 5, 4));
	LUMIX_EXPECT_CLOSE_EQ(mtx.m21, 6, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(mtx.m22, 5, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(mtx.m23, 4, 0.001f);

	mtx.setZVector(Lumix::Vec3(9, 8, 7));
	LUMIX_EXPECT_CLOSE_EQ(mtx.m31, 9, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(mtx.m32, 8, 0.001f);
	LUMIX_EXPECT_CLOSE_EQ(mtx.m33, 7, 0.001f);

	Lumix::Matrix old = mtx;
	expectSameMatrices(mtx, old);
	mtx.transpose();
	mtx.transpose();
	expectSameMatrices(mtx, old);

	mtx.inverse();
	mtx.inverse();
	expectSameMatrices(mtx, old);

	mtx.setIdentity();
	mtx.multiply3x3(2.0f);
	old = mtx;
	mtx.inverse();
	mtx.inverse();
	expectSameMatrices(mtx, old);

	for (int i = 0; i < 16; ++i)
	{
		*((&mtx.m11) + i) = (float)i;
	}

	old = mtx;
	mtx = mtx * Lumix::Matrix::IDENTITY;
	expectSameMatrices(mtx, old);
	mtx = Lumix::Matrix::IDENTITY * mtx;
	expectSameMatrices(mtx, old);

	Lumix::Matrix euler;
	euler.fromEuler(0, 0, 0);
	expectSameMatrices(euler, Lumix::Matrix::IDENTITY);

	Lumix::Matrix check_matrix;
	check_matrix = Lumix::Matrix::IDENTITY;
	check_matrix.m11 = -1;
	check_matrix.m33 = -1;
	euler.fromEuler(3.14159265f, 0, 0);
	expectSameMatrices(euler, check_matrix);

	check_matrix = Lumix::Matrix::IDENTITY;
	check_matrix.m11 = -1;
	check_matrix.m22 = -1;
	euler.fromEuler(0, 0, 3.14159265f);
	expectSameMatrices(euler, check_matrix);

	check_matrix = Lumix::Matrix::IDENTITY;
	check_matrix.m22 = -1;
	check_matrix.m33 = -1;
	euler.fromEuler(0, 3.14159265f, 0);
	expectSameMatrices(euler, check_matrix);
}
示例#4
0
void UT_aabb(const char* params)
{
	Lumix::AABB aabb1;
	Lumix::AABB aabb2(Lumix::Vec3(0, 0, 0), Lumix::Vec3(1, 1, 1));

	LUMIX_EXPECT(aabb2.min.x == 0);
	LUMIX_EXPECT(aabb2.min.y == 0);
	LUMIX_EXPECT(aabb2.min.z == 0);

	LUMIX_EXPECT(aabb2.max.x == 1);
	LUMIX_EXPECT(aabb2.max.y == 1);
	LUMIX_EXPECT(aabb2.max.z == 1);

	aabb1 = aabb2;
	LUMIX_EXPECT(aabb1.min.x == aabb2.min.x);
	LUMIX_EXPECT(aabb1.min.y == aabb2.min.y);
	LUMIX_EXPECT(aabb1.min.z == aabb2.min.z);

	LUMIX_EXPECT(aabb1.max.x == aabb2.max.x);
	LUMIX_EXPECT(aabb1.max.y == aabb2.max.y);
	LUMIX_EXPECT(aabb1.max.z == aabb2.max.z);

	Lumix::Vec3 points[8];
	aabb2.getCorners(Lumix::Matrix::IDENTITY, points);
	LUMIX_EXPECT(points[0].x == 0);
	LUMIX_EXPECT(points[0].y == 0);
	LUMIX_EXPECT(points[0].z == 0);

	LUMIX_EXPECT(points[1].x == 0);
	LUMIX_EXPECT(points[1].y == 0);
	LUMIX_EXPECT(points[1].z == 1);

	LUMIX_EXPECT(points[2].x == 0);
	LUMIX_EXPECT(points[2].y == 1);
	LUMIX_EXPECT(points[2].z == 0);

	LUMIX_EXPECT(points[3].x == 0);
	LUMIX_EXPECT(points[3].y == 1);
	LUMIX_EXPECT(points[3].z == 1);

	LUMIX_EXPECT(points[4].x == 1);
	LUMIX_EXPECT(points[4].y == 0);
	LUMIX_EXPECT(points[4].z == 0);

	LUMIX_EXPECT(points[5].x == 1);
	LUMIX_EXPECT(points[5].y == 0);
	LUMIX_EXPECT(points[5].z == 1);

	LUMIX_EXPECT(points[6].x == 1);
	LUMIX_EXPECT(points[6].y == 1);
	LUMIX_EXPECT(points[6].z == 0);

	LUMIX_EXPECT(points[7].x == 1);
	LUMIX_EXPECT(points[7].y == 1);
	LUMIX_EXPECT(points[7].z == 1);

	Lumix::AABB aabb3(Lumix::Vec3(0, 0, 0), Lumix::Vec3(1, 1, 1));
	Lumix::AABB aabb4(Lumix::Vec3(1, 2, 3), Lumix::Vec3(2, 3, 4));
	Lumix::Matrix mtx = Lumix::Matrix::IDENTITY;
	mtx.setTranslation(Lumix::Vec3(1, 2, 3));
	aabb3.transform(mtx);

	LUMIX_EXPECT(aabb3.min.x == aabb4.min.x);
	LUMIX_EXPECT(aabb3.min.y == aabb4.min.y);
	LUMIX_EXPECT(aabb3.min.z == aabb4.min.z);

	LUMIX_EXPECT(aabb3.max.x == aabb4.max.x);
	LUMIX_EXPECT(aabb3.max.y == aabb4.max.y);
	LUMIX_EXPECT(aabb3.max.z == aabb4.max.z);
}