public override void preSolve(Contact contact, Manifold oldManifold) { base.preSolve(contact, oldManifold); Fixture fixtureA = contact.getFixtureA(); Fixture fixtureB = contact.getFixtureB(); if (fixtureA != m_platform && fixtureA != m_character) { return; } if (fixtureB != m_character && fixtureB != m_character) { return; } Vec2 position = m_character.getBody().getPosition(); if (position.y < m_top + m_radius - 3.0f*Settings.linearSlop) { contact.setEnabled(false); } }