Ninja Library - View Function

njForwardViewRelative

Moves the view location along the viewline (Relative move)

FORMAT

njForwardViewRelative( *v, x)
NJS_VIEW *v
Float x

PARAMETER

 *v   Pointer to view structure  
 x   Movement distance (relative value) 

RETURN

None

DESCRIPTION

Moves the view location along the viewline by a relative amount.

EXAMPLE

The following moves the view located at (0, 0, 0) and directed 
toward (1, 1, -1) (toward the inside of the upper right of the screen) 
by 10 in the direction of the view.

#define VIEW_PX 0.f
#define VIEW_PY 0.f
#define VIEW_PZ 0.f
#define VIEW_VX 1.f
#define VIEW_VY 1.f
#define VIEW_VZ -1.f
#define VIEW_ROLL 0
NJS_VIEW v;
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);
njUnitViewVector( &v );
njForwardViewRelative(&v, 10.f);
njSetView( &v );
njClearMatrix();

NOTE

When parameter v is NULL, this function acts on the current view.

REFERENCE

njUnitViewVector()
njSetView()
njClearMatrix()

njForwardViewRelative
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