Putting Objects In Motion - Texas Instruments TI-89 User Manual

Putting Objects in Motion

Animating
Independent
Objects
Note: The farther away the
spring is pulled, the faster
the object is animated. You
can also increase or
decrease the animation
while the object is in motion
by pressing « or | ,
respectively.
TI-89 / TI-92 Plus / Voyage™ 200 PLT Cabri Geometry App
The toolbar menu contains the tools that let you
Display
animate and trace objects.
The Animation tool automatically moves an independent object along
a specified path.
¦
If the Pointer tool is visible in the toolbar and the object does not
lie on a defined path, the animated direction is 180 degrees from
the spring. Otherwise, the object is animated along its defined
path.
¦
If the , , or
Rotate Dilate
toolbox and the object can be transformed, the animation will be
relative to the visible
is visible, the object is rotated automatically.
¦ Pressing ¸ pauses the animation; pressing ¸ again
resumes the animation. Pressing N or ´ cancels the
animation.
To animate an object:
1. Construct two circles as shown in
this example.
2. Press
2‰
TI-89:
TI-92 Plus / Voyage™ 200 PLT:
and select 3:Animation
3. Select the point of the object to
animate.
4. Drag the animation spring in the
opposite direction of the intended
animation then release
j
TI-89:
TI-92 Plus / Voyage 200 PLT:
—or—
Press and release
j
TI-89:
TI-92 Plus / Voyage 200 PLT:
twice quickly.
The small circle moves around the
circumference of the large circle.
Press N to stop the animation.
5.
tool is visible in the
Rotate & Dilate
tool. For example, if the
Pointer
‰
.
Select the point.
Drag the animation spring.
‚.
‚
Pointer
tool
Rotate
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