How to use

raycast

method

in

org.jbox2d.particle.ParticleSystem

/**
 * Ray-cast the world for all particles in the path of the ray. Your callback controls whether you
 * get the closest point, any point, or n-points.
 * 
 * @param particleCallback the particle callback class.
 * @param point1 the ray starting point
 * @param point2 the ray ending point
 */
public void raycast(ParticleRaycastCallback particleCallback, Vec2 point1, Vec2 point2) {
 m_particleSystem.raycast(particleCallback, point1, point2);
}

/**
 * Ray-cast the world for all fixtures and particles in the path of the ray. Your callback
 * controls whether you get the closest point, any point, or n-points. The ray-cast ignores shapes
 * that contain the starting point.
 * 
 * @param callback a user implemented callback class.
 * @param particleCallback the particle callback class.
 * @param point1 the ray starting point
 * @param point2 the ray ending point
 */
public void raycast(RayCastCallback callback, ParticleRaycastCallback particleCallback,
  Vec2 point1, Vec2 point2) {
 wrcwrapper.broadPhase = m_contactManager.m_broadPhase;
 wrcwrapper.callback = callback;
 input.maxFraction = 1.0f;
 input.p1.set(point1);
 input.p2.set(point2);
 m_contactManager.m_broadPhase.raycast(wrcwrapper, input);
 m_particleSystem.raycast(particleCallback, point1, point2);
}

/**
 * Ray-cast the world for all particles in the path of the ray. Your callback controls whether you
 * get the closest point, any point, or n-points.
 * 
 * @param particleCallback the particle callback class.
 * @param point1 the ray starting point
 * @param point2 the ray ending point
 */
public void raycast(ParticleRaycastCallback particleCallback, Vec2 point1, Vec2 point2) {
 m_particleSystem.raycast(particleCallback, point1, point2);
}

/**
 * Ray-cast the world for all fixtures and particles in the path of the ray. Your callback
 * controls whether you get the closest point, any point, or n-points. The ray-cast ignores shapes
 * that contain the starting point.
 * 
 * @param callback a user implemented callback class.
 * @param particleCallback the particle callback class.
 * @param point1 the ray starting point
 * @param point2 the ray ending point
 */
public void raycast(RayCastCallback callback, ParticleRaycastCallback particleCallback,
  Vec2 point1, Vec2 point2) {
 wrcwrapper.broadPhase = m_contactManager.m_broadPhase;
 wrcwrapper.callback = callback;
 input.maxFraction = 1.0f;
 input.p1.set(point1);
 input.p2.set(point2);
 m_contactManager.m_broadPhase.raycast(wrcwrapper, input);
 m_particleSystem.raycast(particleCallback, point1, point2);
}

/**
 * Ray-cast the world for all particles in the path of the ray. Your callback controls whether you
 * get the closest point, any point, or n-points.
 *
 * @param particleCallback the particle callback class.
 * @param point1 the ray starting point
 * @param point2 the ray ending point
 */
public void raycast(ParticleRaycastCallback particleCallback, Vec2 point1, Vec2 point2) {
  particleSystem.raycast(particleCallback, point1, point2);
}

/**
 * Ray-cast the world for all particles in the path of the ray. Your callback controls whether you
 * get the closest point, any point, or n-points.
 * 
 * @param particleCallback the particle callback class.
 * @param point1 the ray starting point
 * @param point2 the ray ending point
 */
public void raycast(ParticleRaycastCallback particleCallback, Vec2 point1, Vec2 point2) {
 m_particleSystem.raycast(particleCallback, point1, point2);
}

/**
 * Ray-cast the world for all fixtures and particles in the path of the ray. Your callback
 * controls whether you get the closest point, any point, or n-points. The ray-cast ignores shapes
 * that contain the starting point.
 * 
 * @param callback a user implemented callback class.
 * @param particleCallback the particle callback class.
 * @param point1 the ray starting point
 * @param point2 the ray ending point
 */
public void raycast(RayCastCallback callback, ParticleRaycastCallback particleCallback,
          Vec2 point1, Vec2 point2) {
 wrcwrapper.broadPhase = m_contactManager.m_broadPhase;
 wrcwrapper.callback = callback;
 input.maxFraction = 1.0f;
 input.p1.set(point1);
 input.p2.set(point2);
 m_contactManager.m_broadPhase.raycast(wrcwrapper, input);
 m_particleSystem.raycast(particleCallback, point1, point2);
}

/**
 * Ray-cast the world for all fixtures and particles in the path of the ray. Your callback
 * controls whether you get the closest point, any point, or n-points. The ray-cast ignores shapes
 * that contain the starting point.
 *
 * @param callback a user implemented callback class.
 * @param particleCallback the particle callback class.
 * @param point1 the ray starting point
 * @param point2 the ray ending point
 */
public void raycast(RayCastCallback callback, ParticleRaycastCallback particleCallback,
          Vec2 point1, Vec2 point2) {
  wrcwrapper.broadPhase = m_contactManager.m_broadPhase;
  wrcwrapper.callback = callback;
  input.maxFraction = 1.0f;
  input.p1.set(point1);
  input.p2.set(point2);
  m_contactManager.m_broadPhase.raycast(wrcwrapper, input);
  particleSystem.raycast(particleCallback, point1, point2);
}