C++ (Cpp) ShapeGroup3D::firstCollision示例

示例#1

文件： ShapeTest.cpp 项目： severin-lemaignan/magnum

void ShapeTest::firstCollision() {
    Scene3D scene;
    ShapeGroup3D shapes;

    Object3D a(&scene);
    Shape<Shapes::Sphere3D> aShape(a, {{1.0f, -2.0f, 3.0f}, 1.5f}, &shapes);

    Object3D b(&scene);
    Shape<Shapes::Point3D> bShape(b, {{3.0f, -2.0f, 3.0f}}, &shapes);

    Object3D c(&scene);
    Shape<Shapes::Composition3D> cShape(c, &shapes);

    /* No collisions initially */
    CORRADE_VERIFY(!shapes.firstCollision(aShape));
    CORRADE_VERIFY(!shapes.firstCollision(bShape));
    CORRADE_VERIFY(!shapes.isDirty());

    /* Move point into sphere */
    b.translate(Vector3::xAxis(-1.0f));

    /* Collision */
    CORRADE_VERIFY(shapes.isDirty());
    CORRADE_VERIFY(shapes.firstCollision(aShape) == &bShape);
    CORRADE_VERIFY(shapes.firstCollision(bShape) == &aShape);
    CORRADE_VERIFY(!shapes.isDirty());
}