/// <summary>
/// Spawns new chunk, then adds the chunk's children to the game.
/// </summary>
private void SpawnChunk()
{
float gapSizeMin = 1;
float gapSizeMax = 2;
float gapSize = Random.Range(gapSizeMin, gapSizeMax);
Vector3 pos = new Vector3(-5, -3, 0);
if (_chunks.Count > 0)
{
if (chunkCount < 6) // spawn chunks in order
{
chunkIndex++;
}
else // then randomly select them
{
chunkIndex = Random.Range(1, prefabs.Length);
}
pos.x = _chunks[_chunks.Count - 1].rightEdge.position.x + gapSize;
pos.y = _chunks[_chunks.Count - 1].rightEdge.position.y;
minLimit = pos.y - 110;
}
else
{
// spawn first pill
pill.Spawn(_player.transform.position);
}
#region Add Chunk and it's children
PetzakChunk chunk = Instantiate(prefabs[chunkIndex], pos, Quaternion.identity);
_chunks.Add(chunk);
PetzakPlatform[] newplatforms = chunk.GetComponentsInChildren <PetzakPlatform>();
foreach (PetzakPlatform p in newplatforms)
{
_platforms.Add(p.GetComponent <PetzakAABB>());
}
PetzakSpring[] newsprings = chunk.GetComponentsInChildren <PetzakSpring>();
foreach (PetzakSpring s in newsprings)
{
_springs.Add(s.GetComponent <PetzakAABB>());
}
PetzakSpikes[] newspikes = chunk.GetComponentsInChildren <PetzakSpikes>();
foreach (PetzakSpikes s in newspikes)
{
_spikes.Add(s.GetComponent <PetzakAABB>());
}
#endregion
chunkCount++;
}
/// <summary>
/// Removes chunks (and respawns lifepill) if they are off the left side of the screen.
/// </summary>
private void RemoveOffScreenChunks()
{
float limitX = FindScreenLeftX();
for (int i = _chunks.Count - 1; i >= 0; i--)
{
if (_chunks[i].rightEdge.position.x < limitX)
{
PetzakChunk chunk = _chunks[i];
// remove this chunk's platforms from the game
PetzakPlatform[] deadPlatforms = chunk.GetComponentsInChildren <PetzakPlatform>();
foreach (PetzakPlatform platform in deadPlatforms)
{
_platforms.Remove(platform.GetComponent <PetzakAABB>());
}
// remove this chunk's springs from the game
PetzakSpring[] deadSprings = chunk.GetComponentsInChildren <PetzakSpring>();
foreach (PetzakSpring spring in deadSprings)
{
_springs.Remove(spring.GetComponent <PetzakAABB>());
}
// remove this chunk's spikes from the game
PetzakSpikes[] deadSpikes = chunk.GetComponentsInChildren <PetzakSpikes>();
foreach (PetzakSpikes spike in deadSpikes)
{
_spikes.Remove(spike.GetComponent <PetzakAABB>());
}
// remove the chunk from the game
_chunks.RemoveAt(i);
Destroy(chunk.gameObject);
// update score on hud
var mesh = scoreText.GetComponent <TextMesh>();
mesh.text = score++.ToString();
}
}
// respawn pill if beyond limit
bool pillIsBehindPlayer = lifePill.transform.position.x > lifePill.transform.position.x;
if (lifePill.transform.position.x < limitX && pillIsBehindPlayer)
{
Debug.Log(lifePill.transform.position.x + " " + limitX);
pill.Spawn(_player.transform.position);
}
}