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GBIC >> FreeWare >> gbAnimator >> Global Settings
gbAnimator - Global Settings
There are several global settings which govern the way that a model behaves. These settings are not associated with any specific node or link. The settings are saved with the model and restored when a model is opened.

The settings may be set using the the following portion of the lower gbAnimator toolbar.

Force Settings
The force-related settings are:

  • Gravity (g) - a force which acts downward on all masses.
  • Surface Friction (f) - when a mass comes in contact with a floor, it losses a fraction of its velocity in the X-direction.
  • Viscosity (v) - by raising viscosity from zero, the masses can be made to move as though they were immersed in liquid
  • Wind (w) - all nodes can experience wind, either left-to-right or right-to-left
  • Bounce (b) - when a mass comes in contact with the floor, it reverses it's Y-direction motion and losses a fraction of its velocity in the Y-direction

Timing Settings
The three time-related settings are:

  • Time Interval (t) - The equations on motion in response to a force include a time variable. In general, the smaller the time interval the smoother the motion appears to be.
  • Repetition Rate (r) - gbAnimator can animate a scene at faster than real time speeds. It does so by repeating the calculations for a time interval more frequently than the time interval itself.
  • Animation Clock (c) - The frequency of the push/pull of the animators can be adjusted to achieve faster or slower animation. Generally, animators operate fairly slowly (1-5 oscillations per second).

When a gbAnimator model is saved the global settings are saved with it. When a model is opened the settings associated with the model are used.

Default Settings
When a link is created all properites are set to zero or false, except these two:

  • Spring Constant - default value of 5
  • Animator Strength - default value of 0.2
Users can change the default link values using the appropriate Options menu selection.

When a node is created all properties are set to zero or false, except for:

  • Mass - default value of 1

gbAnimator Window Settings
The size of the gbAnimator window is also saved with the model. When a model is opened, the gbAnimator window will use the saved settings only if the saved settings require more area than the current window provides.