void Application::touch(float x, float y)
{
b2AABB aabb;
aabb.lowerBound.x = toWorld(x - 1);
aabb.lowerBound.y = toWorld(y - 1);
aabb.upperBound.x = toWorld(x + 1);
aabb.upperBound.y = toWorld(y + 1);
m_world.QueryAABB(this, aabb);
}
Application::Application()
: m_world(b2Vec2(0, -2))
, m_step(0)
, m_appleInterval(100)
, m_score(0)
, m_lives(10)
, m_grass(m_world)
, m_leftBound(m_world)
, m_rightBound(m_world)
{
m_world.SetContactListener(this);
m_leftBound.setPosition(0, toWorld(FRUITCLICK_HEIGHT / 2));
m_rightBound.setPosition(toWorld(FRUITCLICK_WIDTH), toWorld(FRUITCLICK_HEIGHT / 2));
m_grass.setPosition(toWorld(FRUITCLICK_WIDTH / 2), 0);
}
void Application::spawnApple()
{
if (m_step % m_appleInterval == 0)
{
float x = (rand() % (FRUITCLICK_WIDTH - FRUITCLICK_APPLE_RADIUS*2)) + FRUITCLICK_APPLE_RADIUS;
float y = FRUITCLICK_HEIGHT + 10;
float vx = (rand() % 9) - 4;
float vy = -3;
Apple* apple = new Apple(m_world);
apple->setPosition(toWorld(x), toWorld(y));
apple->setVelocity(vx, vy);
apple->setAngularVelocity((rand() % 32) - 16);
m_apples.insert(apple);
if (m_appleInterval > 25)
m_appleInterval -= 2;
m_step = 0;
}
}
// Wraps objects that go outside the screen's bounds
void wrapPosition(object *o) {
// Convert object position to screen space
vector toCheck = fromWorld(&(o->pos));
// If a laser, deactivate the object
if (o->type == LAZOR &&
(toCheck.x > 1.0 || toCheck.x < -1.0 ||
toCheck.y > 1.0 || toCheck.y < -1.0)) {
o->state &= !LAZER_ACTIVE;
return;
}
// Adjust position
if (toCheck.x > 1.0) toCheck.x = -1.0;
else if (toCheck.x < -1.0) toCheck.x = 1.0;
if (toCheck.y > 1.0) toCheck.y = -1.0;
else if (toCheck.y < -1.0) toCheck.y = 1.0;
// Convert position back to world space
o->pos = toWorld(&toCheck);
}