public DCube getDCube(int i = -1)
{
DCube rcube = null;
//not search by index
if (i == -1)
{
foreach (DCube c in _pool)
{
if (c.used_state == false)
{
rcube = c;
break;
}
}
if (rcube == null)
{
rcube = newDcube();
}
}
else
{
rcube = _pool.ElementAt(i);
// FindIndex(i);
}
rcube.position = new Vector3(0, 0, 0);
rcube.use();
return(rcube);
}
public void killDcube(DCube c)
{
if (_pool.Contains(c))
{
c.release();
}
}
DCube newDcube()
{
string n = "cube_" + (_pool.Count + 1).ToString();
DCube rcube = new DCube(n, 0.04f, new Vector3(0, 0, 0), Color.gray);
_pool.Add(rcube);
return(rcube);
}
void rayMarch2(inter_point inter_p, float _step_size, float max_distance, int _max_steps, OBB _obb, Vector3 cam_pos)
{
//z-plane alignment
bool use_object = true;
Vector3 p0 = inter_p.p0_world;
Vector3 p1 = inter_p.p1_world;
Vector3 cam = cam_pos;
Vector3 z_step = new Vector3(0, 0, max_distance / _max_steps);
if (use_object)
{
p0 = inter_p.p0_object;
p1 = inter_p.p1_object;
cam = _obb.w2o.MultiplyPoint3x4(cam);
// print ("cam in object poistion :" + cam);
z_step = _obb.w2o.MultiplyVector(z_step);
}
//the plane alignment should be calculated on cam pos as origin
Vector3 p0_c = p0 - cam;
Vector3 z_dir = z_step.normalized;
//step on p0-p1 align z
Vector3 p_step = p0_c * Vector3.Dot(z_step, z_dir) / Vector3.Dot(p0_c, z_dir);
Vector3 p0_z_pro = Vector3.Dot(p0_c, z_dir) * z_dir;
float scale_p0 = Vector3.Dot(p0_z_pro, z_dir);
float scale_z_step = Vector3.Dot(z_step, z_dir);
int scale_p0_z_step = (int)(scale_p0 / scale_z_step);
Vector3 z_plane = scale_p0_z_step * z_step;
Vector3 p0_new = (int)(scale_p0_z_step) * scale_z_step / scale_p0 * p0_c + cam;
int full_step = (int)((p1 - p0).magnitude / p_step.magnitude);
for (int i = 0; i < full_step + 1; i++)
{
Vector3 pos = p0_new + i * p_step;
Color c = sample3dTexture(pos);
//debug cubes
if (dcube_created == false)
{
// print("pos :" + pos );
// print("color :" + c);
DCube pd_t = pool.getDCube();
pd_t.position = use_object ? _obb.o2w.MultiplyPoint3x4(pos) : pos;
pd_t.color = c;
}
}
}
public DCube_Ray(DCube_pool p)
{
this._pool = p;
this.p0 = this._pool.getDCube();
this.p1 = this._pool.getDCube();
this.x0 = this._pool.getDCube();
this.x1 = this._pool.getDCube();
this.y0 = this._pool.getDCube();
this.y1 = this._pool.getDCube();
this.z0 = this._pool.getDCube();
this.z1 = this._pool.getDCube();
this.p0.color = new Color(0f, 2000f, 2000f);
this.p1.color = new Color(0f, 1f, 1f);
this.x0.color = new Color(2000f, 0f, 0f);
this.x1.color = new Color(1f, 0f, 0f);
this.y0.color = new Color(0f, 2000f, 0f);
this.y1.color = new Color(0f, 1f, 0f);
this.z0.color = new Color(0f, 0f, 2000f);
this.z1.color = new Color(0f, 0f, 1f);
}
