/// <summary>
/// 指定した頂点位置にパーティクルを生成する
/// </summary>
/// <param name="vertices">頂点郡</param>
/// <param name="particleCount">頂点ごとのパーティクル数</param>
public void EmitWithVertices(Vector3[] vertices, int particleCount, float delay = 0)
{
ParticleParam[] paramList = new ParticleParam[vertices.Length];
for (int i = 0; i < vertices.Length; i++)
{
ParticleParam p = DefaultParam;
p.Position = vertices[i];
p.Delay = delay;
paramList[i] = p;
}
Burst(paramList, particleCount);
}
/// <summary>
/// パーティクルをエミットする
/// </summary>
/// <param name="p">パーティクル設定</param>
/// <param name="count">パーティクル数</param>
public void Emit(ParticleParam p, int count)
{
if (!_isInitialized)
{
Initialize();
}
_computeShader.SetBuffer(_emitKernel, _particlesId, _particlesBuffer);
_computeShader.SetBuffer(_emitKernel, _particlePoolId, _particlePoolBuffer);
_computeShader.SetVector(_positionId, CurlParticleUtility.GetRandomVector(p.Position, _randomRange));
_computeShader.SetVector(_colorId, p.Color);
_computeShader.SetFloat(_minLifeTimeId, _minLifeTime);
_computeShader.SetFloat(_maxLifeTimeId, _maxLifeTime);
_computeShader.SetFloat(_delayId, p.Delay);
_computeShader.SetFloat(_scaleId, 1.0f);
_computeShader.SetFloat(_baseScaleId, _baseScale);
int poolSize = GetParticlePoolSize() / 8;
if (poolSize <= 0)
{
return;
}
int countSize = count / 8;
int size = Mathf.Min(countSize, poolSize);
_computeShader.Dispatch(_emitKernel, size, 1, 1);
float lifeTime = _maxLifeTime + p.Delay;
if (lifeTime > _lifeTime)
{
_lifeTime = lifeTime;
}
Activate();
}