/// <summary>
/// Spawns balloons.
/// </summary>
/// <param name="balloonCount">Number of balloons to spawn.</param>
private void SpawnBalloons(int balloonCount)
{
if (balloonCount <= 0)
{
return;
}
// Spawn balloons in a clump within the spawn area
Vector3 centerPos = new Vector3(Random.Range(m_spawnAreaMin.position.x, m_spawnAreaMax.position.x),
Random.Range(m_spawnAreaMin.position.y, m_spawnAreaMax.position.y),
0.0f);
// Spawn and initialize center balloon
Balloon centerBalloon = SpawnBalloon(centerPos);
float colorFactor = 1.0f;
const float DELTA_COLOR_FACTOR = 0.03f;
int sortingOrder = balloonCount;
centerBalloon.Initialize(m_collectedBalloonPositions[m_balloons.Count - 1].position,
m_hand.BalloonGrabPos, colorFactor, sortingOrder);
// Each successive balloon has a darker shade than the previous one
colorFactor -= DELTA_COLOR_FACTOR;
// Each successive balloon is placed behind the previous one
sortingOrder--;
// Spawn the other balloons (if any)
while (m_balloons.Count < balloonCount)
{
// Spawn balloons within a certain distance from the center
float distFromCenter = Random.Range(m_balloonDistMin, m_balloonDistMax);
Vector3 dirFromCenter = new Vector3(Random.Range(-1.0f, 1.0f), Random.Range(-1.0f, 1.0f), 0.0f);
Vector3 pos = centerPos + distFromCenter * dirFromCenter.normalized;
// Make sure there is enough space between balloons
bool isSpaced = true;
float minDistSq = m_balloonDistMin * m_balloonDistMin;
foreach (Balloon balloon in m_balloons)
{
if ((balloon.transform.position - pos).sqrMagnitude < minDistSq)
{
isSpaced = false;
break;
}
}
// If not spaced enough from other balloons, re-randomize a new position
if (!isSpaced)
{
continue;
}
// Spawn and initialize balloon
Balloon newBalloon = SpawnBalloon(pos);
newBalloon.Initialize(m_collectedBalloonPositions[m_balloons.Count - 1].position,
m_hand.BalloonGrabPos, colorFactor, sortingOrder);
// Each successive balloon has a darker shade than the previous one
colorFactor -= DELTA_COLOR_FACTOR;
// Each successive balloon is placed behind the previous one
sortingOrder--;
}
}
private void Start()
{
controller = GetComponent <SteamVR_TrackedController>();
controller.TriggerClicked += OnTriggerClicked;
controller.TriggerUnclicked += OnTriggerUnlicked;
controller.PadTouched += OnPadTouched;
controller.PadUntouched += OnPadUntouched;
balloon.Initialize(balloonSpawnTarget);
}
