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object --+ | ClassWithParameters --+ | Core.Stimulus --+ | DotArea2D
Random dots of constant velocity Every dot has the same velocity. Some fraction of the dots all move in the one direction, while the rest move in random directions. Dots wrap around edges. Each dot has a lifespan. This is just one example of the endless variations on drawing random dots. Parameters ========== anchor -- (String) Default: center anti_aliasing -- (Boolean) Default: True color -- (AnyOf(Sequence3 of Real or Sequence4 of Real)) Default: (1.0, 1.0, 1.0) depth -- (Real) Default: (determined at runtime) dot_lifespan_sec -- (Real) Default: 5.0 dot_size -- (Real) Default: 4.0 on -- (Boolean) Default: True position -- (Sequence2 of Real) Default: (320.0, 240.0) signal_direction_deg -- (Real) Default: 90.0 signal_fraction -- (Real) Default: 0.5 size -- (Sequence2 of Real) Default: (300.0, 300.0) velocity_pixels_per_sec -- (Real) Default: 10.0 Constant Parameters =================== num_dots -- (UnsignedInteger) Default: 100
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parameters_and_defaults = {'on':(True, ve_types.Boolean), 'pos
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constant_parameters_and_defaults = {'num_dots':(100, ve_types.
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Properties | |
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Method Details |
Instantiate and get ready to draw. Set parameter values and create anything needed to draw the stimulus including OpenGL state variables such display lists and texture objects.
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Draw the stimulus. (Called by Viewport instance.) This method is called every frame. This method actually performs the OpenGL calls to draw the stimulus.
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Class Variable Details |
parameters_and_defaults
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constant_parameters_and_defaults
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