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());
}
void ShapeTest::collision() {
Scene3D scene;
ShapeGroup3D shapes;
Object3D a(&scene);
Shape<Shapes::Sphere3D> aShape(a, {{1.0f, -2.0f, 3.0f}, 1.5f}, &shapes);
{
/* Collision with point inside the sphere */
Shape<Shapes::Point3D> aShape2(a, {{1.0f, -2.0f, 3.0f}}, &shapes);
shapes.setClean();
const Collision3D collision = aShape.collision(aShape2);
CORRADE_VERIFY(collision);
CORRADE_COMPARE(collision.position(), Vector3(1.0f, -2.0f, 3.0f));
} {
/* No collision with point inside the sphere, but not in the same group */
ShapeGroup3D shapes2;
Shape<Shapes::Point3D> aShape3(a, {{1.0f, -2.0f, 3.0f}}, &shapes2);
shapes2.setClean();
CORRADE_VERIFY(!aShape.collision(aShape3));
} {
CORRADE_EXPECT_FAIL("Should cross-scene collision work or not?");
/* No collision with point inside the sphere, but not in the same scene */
Scene3D scene2;
Object3D c(&scene2);
Shape<Shapes::Point3D> cShape(c, {{1.0f, -2.0f, 3.0f}}, &shapes);
shapes.setClean();
CORRADE_VERIFY(!aShape.collision(cShape));
} {
/* No collision with point outside of the sphere */
Object3D b(&scene);
Shape<Shapes::Point3D> bShape(b, {{3.0f, -2.0f, 3.0f}}, &shapes);
shapes.setClean();
CORRADE_VERIFY(!aShape.collision(bShape));
/* Move point inside the sphere -- collision */
b.translate(Vector3::xAxis(-1.0f));
shapes.setClean();
const Collision3D collision = aShape.collision(bShape);
CORRADE_VERIFY(collision);
CORRADE_COMPARE(collision.position(), Vector3(2.0f, -2.0f, 3.0f));
}
}
