y_constraint

This constraint simply prevents particles from moving in the y direction. For
particles where the constraint evaluates to <code>NA</code> this constraint is ignored.
If the constraint is enforced the velocity in the y direction will be set to
<code>0</code>.

datasets

Simulating particle movement in 2D space has many application. The
'particles' package implements a particle simulator based on the ideas
behind the 'd3-force' 'JavaScript' library. 'particles' implements all
forces defined in 'd3-force' as well as others such as vector fields, traps,
and attractors.

Thomas Pedersen

particles

A Graph Based Particle Simulator Based on D3-Force

Thomas Lin Pedersen

Andrei Kashcha

y_constraint function

The following parameters defines the training of the constraint and can be
passed along a call to <code>impose()</code><ul>
<li><code>y</code> : The position on the y-axis to fix to. (tidy eval)</li>
<li><code>ymin</code> : The lowest permissible y-value. If <code>NULL</code> then <code>y</code> will be used. (tidy eval)</li>
<li><code>ymax</code> : The highest permissible y-value. If <code>NULL</code> then <code>y</code> will be used. (tidy eval)</li>
</ul>

Training parameters

Fixes particles to a vertical position — y_constraint

The following parameters defines the training of the constraint and can be
passed along a call to <code>impose()</code><ul>
<li><code>y</code> : The position on the y-axis to fix to. (tidy eval)</li>
<li><code>ymin</code> : The lowest permissible y-value. If <code>NULL</code> then <code>y</code> will be used. (tidy eval)</li>
<li><code>ymax</code> : The highest permissible y-value. If <code>NULL</code> then <code>y</code> will be used. (tidy eval)</li>
</ul>

y_constraint: Fixes particles to a vertical position

Description

Arguments

Training parameters

See Also