TrailRenderer.scn

<?xml version="1.0"?>

<Node name="root" gravity="0 -9.81 0" dt="0.01">
    <DefaultAnimationLoop/>
    <Node name="plugins">
        <RequiredPlugin name="Sofa.Component.Mass"/> <!-- Needed to use components [UniformMass] -->
        <RequiredPlugin name="Sofa.Component.ODESolver.Forward"/> <!-- Needed to use components [EulerExplicitSolver] -->
        <RequiredPlugin name="Sofa.Component.StateContainer"/> <!-- Needed to use components [MechanicalObject] -->
        <RequiredPlugin name="Sofa.Component.Visual"/> <!-- Needed to use components [TrailRenderer VisualGrid] -->
    </Node>

    <VisualGrid size="20"/>

    <DefaultAnimationLoop/>

    <EulerExplicitSolver/>
    <MechanicalObject template="Vec3" name="particle"
                      position="0 0 0  0 0 0  0 0 0  0 0 0"
                      velocity="5 5 0  -5 5 0  7 7 0  -7 7 0" showObject="true" showObjectScale="10"/>
    <UniformMass/>
    <TrailRenderer template="Vec3" position="@particle.position" nbSteps="200"/>
</Node>