Ejemplo n.º 1
0
void GameProjectile::update( float dt ) 
{
	GameObject::update( dt );

	if ( !m_hasHit )
	{
		Vector3 vel = velocity();
		vel += Vector3( 0, -9.81f, 0 ) * dt * m_gravity;
		setVelocity( vel );

		m_movedDistance += velocity().length() * dt;

		CollisionInfo cinfo;
		move( velocity() * dt, &cinfo );
		if ( cinfo.isCollision(CollisionInfo::COLLIDE_ALL) )
			hit( &cinfo );

		if ( m_spinSpeed > 0.f )
			setRotation( rotation() * Matrix3x3( m_spinAxis, m_spinSpeed * dt) );
	}

	m_age += dt;
	if ( m_age > m_ageLimit )
		m_removable = true;

	if ( m_movedDistance > m_maxRange )
		m_removable = true;
}
Ejemplo n.º 2
0
void GameWeapon::fire( GameCharacter* character, const Vector3& direction, bool applyRecoilError )
{
	assert( m_mesh );

	if ( m_shells > 0 )
	{
		// find bullet launch position
		Vector3 launchPos = launchPosition();

		// check that we are not too close any obstacle
		GamePointObject* pointCollisionChecker = character->visibilityCollisionChecker();
		pointCollisionChecker->setPosition( character->cell(), character->position() );
		Vector3 startpoint = character->headWorldPosition();
		pointCollisionChecker->moveWithoutColliding( startpoint - pointCollisionChecker->position() );
		CollisionInfo cinfo;
		pointCollisionChecker->move( launchPos - pointCollisionChecker->position(), &cinfo );
		bool removeInFirstUpdate = cinfo.isCollision(CollisionInfo::COLLIDE_ALL);

		fireVisuals( character );

		// Apply recoil error
		Vector3 launchVector = direction;
		if ( applyRecoilError )
			launchVector = Vector3( perturbVector( direction, m_accumulatedRecoilError, character->up(), character->right() ) );

		// Create projectile(s)
		float limitangle = m_spreadConeLimitAngle;
		for ( int i = 0; i < m_shotsPerLaunch; ++i )
		{
			GameProjectile* projectile = m_projectileMgr->createProjectile( m_bullet, cell(), this, launchPos, perturbVector( launchVector, limitangle, character->up(), character->right() ) );
			if ( removeInFirstUpdate )
				projectile->removeInNextUpdate();
		}

		// Accumulate recoil error
		m_accumulatedRecoilError += m_recoilErrorPerShot;

		if ( m_accumulatedRecoilError > m_maxRecoilError )
			m_accumulatedRecoilError = m_maxRecoilError;

		// Decrease shells
		m_shells--;
	}
	else
	{
		// Call script function for empty clip
		pushMethod( "signalEmpty" );
		vm()->pushTable( character );
		call(1, 0);	

		m_clipEmpty = true;
	}

	// reset timer for weapon becoming ready for next shot
	m_fireDeltaTime = 0.f;

}
Ejemplo n.º 3
0
bool GameDynamicObject::isVisiblePoint( const Vector3& worldPos, const Vector3& point ) const
{
	// check if character is occluded by level geometry
	m_visibilityChecker->setPosition( cell(), position() );
	m_visibilityChecker->moveWithoutColliding( point-m_visibilityChecker->position() );
	CollisionInfo cinfo;
	m_visibilityChecker->move( worldPos-m_visibilityChecker->position(), &cinfo );
	return !cinfo.isCollision( CollisionInfo::COLLIDE_ALL );
}