com.threerings.opengl.effect
Class ParticleGeometry.LineTrails

java.lang.Object
  com.threerings.opengl.geometry.Geometry
      com.threerings.opengl.geometry.DynamicGeometry
          com.threerings.opengl.effect.ParticleGeometry
              com.threerings.opengl.effect.ParticleGeometry.LineTrails

Enclosing class:

ParticleGeometry

public static class ParticleGeometry.LineTrails
extends ParticleGeometry

Renders particles as multi-segment line trails.

Nested Class Summary

Nested classes/interfaces inherited from class com.threerings.opengl.effect.ParticleGeometry

ParticleGeometry.Lines, ParticleGeometry.LineTrails, ParticleGeometry.Meshes, ParticleGeometry.Points, ParticleGeometry.Quads, ParticleGeometry.QuadTrails

Field Summary

protected int

_segments The number of segments in each particle.

Fields inherited from class com.threerings.opengl.effect.ParticleGeometry

_arrayStates, _center, _colorOffset, _config, _drawCommand, _last, _living, _n, _next, _normalOffset, _particles, _position, _r, _rotation, _s, _stride, _t, _texCoordOffset, _transformState, _vertexOffset, _view, _vrot, _xform

Fields inherited from class com.threerings.opengl.geometry.DynamicGeometry

_arrayBuffer, _data, _floatArray, _scratchBuffer

Fields inherited from class com.threerings.opengl.geometry.Geometry

EMPTY

Constructor Summary

ParticleGeometry.LineTrails(GlContext ctx, Scope scope, PassDescriptor[] passes, int segments)

Method Summary

protected int	getMode() Returns the primitive mode.
protected int	getParticleIndexCount() Returns the number of indices in each particle.
protected int	getParticleVertexCount() Returns the number of vertices in each particle.
protected int[]	getPrototypeIndices() Returns the array of prototype indices that will be replicated at different offsets to create the actual index buffer.
protected void	updateData() Updates the vertex data.

Methods inherited from class com.threerings.opengl.effect.ParticleGeometry

computeOffset, createIndices, getArrayState, getCenter, getDrawCommand, init, update, write, write, write, write, write

Methods inherited from class com.threerings.opengl.geometry.DynamicGeometry

getScratchBuffer, requiresUpdate

Methods inherited from class com.threerings.opengl.geometry.Geometry

getBoneMatrices, getCoordSpace

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

_segments

protected int _segments

The number of segments in each particle.

Constructor Detail

ParticleGeometry.LineTrails

public ParticleGeometry.LineTrails(GlContext ctx,
                                   Scope scope,
                                   PassDescriptor[] passes,
                                   int segments)

Method Detail

getMode

protected int getMode()

Description copied from class: ParticleGeometry

Returns the primitive mode.

Specified by:

getMode in class ParticleGeometry

getParticleVertexCount

protected int getParticleVertexCount()

Description copied from class: ParticleGeometry

Returns the number of vertices in each particle.

Specified by:

getParticleVertexCount in class ParticleGeometry

getParticleIndexCount

protected int getParticleIndexCount()

Description copied from class: ParticleGeometry

Returns the number of indices in each particle.

Specified by:

getParticleIndexCount in class ParticleGeometry

getPrototypeIndices

protected int[] getPrototypeIndices()

Description copied from class: ParticleGeometry

Returns the array of prototype indices that will be replicated at different offsets to create the actual index buffer.

Specified by:

getPrototypeIndices in class ParticleGeometry

updateData

protected void updateData()

Description copied from class: DynamicGeometry

Updates the vertex data.

Specified by:

updateData in class DynamicGeometry