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TrailRenderer

Render a trail behind particles.

Templates:

  • Rigid3d
  • Vec3d

Target: Sofa.Component.Visual

namespace: sofa::component::visual

parents:

  • VisualModel

Data

Name Description Default value
name object name unnamed
printLog if true, emits extra messages at runtime. 0
tags list of the subsets the object belongs to
bbox this object bounding box
componentState The state of the component among (Dirty, Valid, Undefined, Loading, Invalid). Undefined
listening if true, handle the events, otherwise ignore the events 0
enable Display the object or not 1
position Position of the particles behind which a trail is rendered
nbSteps Number of time steps to use to render the trail 100
color Color of the trail 0 1 0 1
thickness Thickness of the trail 1
Name Description Destination type name
context Graph Node containing this object (or BaseContext::getDefault() if no graph is used) BaseContext
slaves Sub-objects used internally by this object BaseObject
master nullptr for regular objects, or master object for which this object is one sub-objects BaseObject

Examples

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 totalMass="1.0"/>
    <TrailRenderer template="Vec3" position="@particle.position" nbSteps="200"/>
</Node>

def createScene(root_node):

   root = root_node.addChild('root', gravity="0 -9.81 0", dt="0.01")

   root.addObject('DefaultAnimationLoop', )

   plugins = root.addChild('plugins')

   plugins.addObject('RequiredPlugin', name="Sofa.Component.Mass")
   plugins.addObject('RequiredPlugin', name="Sofa.Component.ODESolver.Forward")
   plugins.addObject('RequiredPlugin', name="Sofa.Component.StateContainer")
   plugins.addObject('RequiredPlugin', name="Sofa.Component.Visual")

   root.addObject('VisualGrid', size="20")
   root.addObject('DefaultAnimationLoop', )
   root.addObject('EulerExplicitSolver', )
   root.addObject('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")
   root.addObject('UniformMass', totalMass="1.0")
   root.addObject('TrailRenderer', template="Vec3", position="@particle.position", nbSteps="200")