//Checks that ships take damage when a projectile hits them void shipTakesDamage() { Ship myShip = Ship(Tuple(2,2)); ASSERT_LESS(0.9 , myShip.getShieldFraction()); myShip.Damage(20); ASSERT_GREATER(0.9 , myShip.getShieldFraction()); myShip.Damage(9001); ASSERT_EQUAL_DELTA(0.0, myShip.getMass(), 0.01); }
/** * Handles collision logic between a ship and a projectile */ void System::Collide(Ship& ship, Projectile& proj) { if(proj.getMass() == 0 || ship.getMass() == 0) return; double dx = proj.getPosition().x-ship.getPosition().x; double dy = proj.getPosition().y-ship.getPosition().y; double separationSquared = dx*dx+dy*dy; //May be inaccurate with verlet double totalDamageRange = proj.getCollisionRange() + ship.getCollisionRange(); if(separationSquared < (totalDamageRange * totalDamageRange)) { ship.Damage(proj.getDamage()); proj.Destroy(); } }