inline void GetRandomAABB(b2AABB* aabb)
{
b2Vec2 w; w.Set(k_width, k_width);
aabb->lowerBound.x = b2Random(-k_extent, k_extent);
aabb->lowerBound.y = b2Random(0.0f, 2.0f * k_extent);
aabb->upperBound = aabb->lowerBound + w;
}
inline void MoveAABB(b2AABB* aabb)
{
b2Vec2 d;
d.x = b2Random(-0.5f, 0.5f);
d.y = b2Random(-0.5f, 0.5f);
//d.x = 2.0f;
//d.y = 0.0f;
aabb->lowerBound += d;
aabb->upperBound += d;
b2Vec2 c0 = 0.5f * (aabb->lowerBound + aabb->upperBound);
b2Vec2 min; min.Set(-k_extent, 0.0f);
b2Vec2 max; max.Set(k_extent, 2.0f * k_extent);
b2Vec2 c = b2Clamp(c0, min, max);
aabb->lowerBound += c - c0;
aabb->upperBound += c - c0;
}
void Test::LaunchBomb()
{
if (m_bomb)
{
m_world->DestroyBody(m_bomb);
m_bomb = NULL;
}
b2BodyDef bd;
bd.allowSleep = true;
bd.position.Set(b2Random(-15.0f, 15.0f), 30.0f);
bd.isBullet = true;
m_bomb = m_world->CreateBody(&bd);
m_bomb->SetLinearVelocity(-5.0f * bd.position);
b2CircleDef sd;
sd.radius = 0.3f;
sd.density = 20.0f;
sd.restitution = 0.1f;
m_bomb->CreateShape(&sd);
m_bomb->SetMassFromShapes();
}
