##### Ninja Library - View Function

# njLookAtViewV

Changes the view direction towards specified point

### FORMAT

`

  void njLookAtViewV( *v, *p )
  NJS_VIEW *v
  NJS_POINT3 *p

`

### PARAMETER

  `*v` | Pointer to view structure
  `*p` | Coordinates of point to which view is to be directed

### RETURN

  None

### DESCRIPTION

  Changes the view direction towards a point (x, y, z).

### EXAMPLE

      The following changes the direction of the view located at (500, 500, 500) and directed toward (0, 0, -1) (to rear of screen) toward the origin (0, 0, 0).
      #define VIEW_PX 500.f
      #define VIEW_PY 500.f
      #define VIEW_PZ 500.f
      #define VIEW_VX 0.f
      #define VIEW_VY 0.f
      #define VIEW_VZ -1.f
      #define VIEW_ROLL 0
      NJS_VIEW v;
      NJS_POINT3 p;
      v.px = VIEW_PX;
      v.py = VIEW_PY;
      v.pz = VIEW_PZ;
      v.vx = VIEW_VX;
      v.vy = VIEW_VY;
      v.vz = VIEW_VZ;
      v.roll = NJM_DEG_ANG(VIEW_ROLL);
      p.x = 0.f;
      p.y = 0.f;
      p.z = 0.f;
      njLookAtViewV(&v, &p);
      njSetView( &v );
      njClearMatrix();

### NOTE

  When parameter v is NULL, the current view is changed.

### REFERENCE

  `njInitView()
  njSetView()
  njClearMatrix()
  `

njLookAtViewV

COPYRIGHT © SEGA ENTERPRISES, LTD., 1998,1999