shapes
  |
  +----- links

variable index

• SGLLinkMode mode
• SGLLinkIterMode imode
• GLdouble xf,yf,zf
• GLdouble dx, dy, dz
• GLdouble p0, p1, p2
• GLfloat * time
• boolean enabled
• long tstart,tend
• linkptr * head
• linkptr * tail

constructor index

• Link()
• Link(SGLLinkMode mode)

  	NO_ACTION
  	POINT_TO_POINT,
  	ROTATE_ABOUT_POINT,
  	SCALE_FACTOR

• Link(Shape & newlink)
• Link(Shape & newlink, SGLLinkMode mode)

method index

• SGLLinkMode getMode()
• SGLLinkIterMode getIterMode()

  	LINEAR,
  	QUADRATIC,
  	SINE

• long getStartTime()
• long getEndTime()
• boolean isEnabled()
• void setEnabled(boolean enabled)
• void enable()
• void disable()
• boolean active()
• void setScale(GLdouble xf,GLdouble yf,GLdouble zf)
• void setMode(SGLLinkMode mode)
• void setMode(SGLLinkMode mode, SGLLinkIterMode imode)
• void setMode(SGLLinkMode mode, SGLLinkIterMode imode, GLdouble dx, GLdouble dy, GLdouble dz)
• void setIterMode(SGLLinkIterMode imode)
• void setIterMode(SGLLinkIterMode imode, GLdouble p0, GLdouble p1, GLdouble p2)
• void setChange (GLdouble dx, GLdouble dy, GLdouble dz)
• void setIterParms (GLdouble p0, GLdouble p1, GLdouble p2)
• void setTimeInterval (long tstart, long tend)
• void setStartTime (long tstart)
• void setEndTime (long tend)
• void add(Shape & newlink)
• void iterate()
• void paint()
• void print()
• boolean linksOptimizable()
• boolean optimizable()
• void optimizePaint()
• void settime(GLfloat & time)
• long gettime()

sub classes
sgl