protected void DebugParticleData()
{
BoidsData[] particleArr = new BoidsData[PARTICLE_COUNT];
particleBuffer.GetData(particleArr);
for (int i = 0; i < 15; i++)
{
int index = Random.Range(0, particleArr.Length);
Vector3 position = particleArr[i].position;
Vector3 direction = particleArr[i].velocity;
float size = particleArr[i].size;
Debug.Log($"Agent #{index}: Position {position}, Vel {direction}");
}
}
private void InitializeBoidsDataBuffer()
{
var boidsData = new BoidsData[m_instanceCount];
for (int i = 0; i < m_instanceCount; ++i)
{
boidsData[i].position = Random.insideUnitSphere * m_boundaryRange;
var velocity = new Vector3(Random.Range(-1f, 1f), Random.Range(-1f, 1f), Random.Range(-1f, 1f));
boidsData[i].velocity = velocity.normalized * m_minVelocity;
}
m_boidsDataBuffer = new ComputeBuffer(m_instanceCount, Marshal.SizeOf(typeof(BoidsData)));
m_boidsDataBuffer.SetData(boidsData);
}
protected void InitializeParticles()
{
//initialize the buffer
particleBuffer = new ComputeBuffer(PARTICLE_COUNT, Marshal.SizeOf(typeof(BoidsData)));
//temp array to initialize particles
BoidsData[] arr = new BoidsData[PARTICLE_COUNT];
//fill that array with particle
for (int i = 0; i < arr.Length; i++)
{
arr[i] = CreateParticle();
}
//put that array into a compute buffer
particleBuffer.SetData(arr);
}
protected BoidsData CreateParticle()
{
BoidsData p = new BoidsData();
//random inside the bounds
p.position = (Random.insideUnitSphere);
// p.position = (Random.insideUnitSphere * 2 - Vector3.one);
// p.position.x *= bounds.x/2;
// p.position.y *= bounds.y/2;
// p.position.z *= bounds.z/2;
// p.position += this.transform.position; //add gameobject position
//random direction
p.velocity = Random.insideUnitSphere * 2 - Vector3.one;
//random size
p.size = Random.value;
return(p);
}
