public void ChangeTarget(int type)
{
for (int i = 0; i < num; i++)
{
var t = targets[i];
if (type == 0)
{
t.x = (i % 8f - 3.5f) * 10f + 3.5f * (Random.value - 0.5f); // +
t.z = Random.Range(-50f, 50f);
}
else if (type == 1)
{
t.x = Random.Range(-50f, 50f);
t.z = Random.Range(-50f, 50f);
}
else
{
var pp = ImgPos.GetRandomPoint();
t.x = -pp.x / 2f;
t.z = -pp.y / 2f;
if (Random.value < 0.3f)
{
t.x = Random.Range(-50f, 50f);
t.z = Random.Range(-50f, 50f);
}
}
targets[i] = t;
}
}
private void Update()
{
//マウスが押されたら、適当にターゲット位置を入れ替える
if (Input.GetMouseButtonDown(0))
{
var flag = Random.value < 0.5f ? true : false;
var flag2 = Random.value < 0.3f ? true : false;
Debug.Log("mousedown");
for (int i = 0; i < num; i++)
{
var t = targets[i];
if (flag)
{
t.x = (i % 8f - 3.5f) * 10f + 10.5f * (Random.value - 0.5f); //
t.z = Random.Range(-50f, 50f);
}
else
{
//t.x = Random.Range(-50f, 50f);
//t.z = Random.Range(-50f, 50f);
//Debug.Log("au");
var pp = ImgPos.GetRandomPoint();
t.x = -pp.x / 2f;
t.z = -pp.y / 2f;
if (Random.value < 0.3f)
{
t.x = Random.Range(-50f, 50f);
t.z = Random.Range(-50f, 50f);
}
}
t.y = 0;//Random.Range(-0.1f, 0.1f);
if (flag2)
{
t.x = t.z = 0;
}
targets[i] = t;
}
}
//足をじたばたする2コマぶんの計算
var n = (Mathf.FloorToInt(Time.frameCount * 0.2f) % 2);
for (int i = 0; i < num; i++)
{
//位置の更新
var p = positions[i];
var t = targets[i];
var v = t - p;
v = v / 20f;
var lim = 0.1f + 0.05f * ((float)i / (float)num);
if (v.magnitude > lim)
{
v = v.normalized * lim;
}
p += v;
positions[i] = p;
//uniformを1個ずつ指定
propertyBlock.SetFloat("_DT", i / 1000f);
propertyBlock.SetColor("_Col", colors[i % colors.Count]);
var q = Quaternion.Euler(
new Vector3(
0,
(-Mathf.Atan2(v.z, v.x) + Mathf.PI / 2f) / Mathf.PI * 180f,
0
)
);
//描画
Graphics.DrawMesh(m_mesh, p, q, m_mat, 0, null, 0, propertyBlock);
//var mtx = new Matrix4x4();
// var mtx = Matrix4x4.Translate(p);
//mtx.tr
//Graphics.DrawMeshInstanced(m_mesh,0,m_mat,mtx,propertyBlock,true,false);
}
}