Package com.badlogic.gdx.graphics.g3d.particles

Class ParticleController

    • Field Detail

      • DEFAULT_TIME_STEP

        protected static final float DEFAULT_TIME_STEP
        the default time step used to update the simulation
        See Also:
        Constant Field Values

      • name

        public java.lang.String name
        Name of the controller

      • emitter

        public Emitter emitter
        Controls the emission of the particles

      • influencers

        public Array<Influencer> influencers
        Update the properties of the particles

      • transform

        public Matrix4 transform
        Current transform of the controller DO NOT CHANGE MANUALLY

      • scale

        public Vector3 scale
        Transform flags

      • boundingBox

        protected BoundingBox boundingBox
        Not used by the simulation, it should represent the bounding box containing all the particles

      • deltaTime

        public float deltaTime
        Time step, DO NOT CHANGE MANUALLY

      • deltaTimeSqr

        public float deltaTimeSqr
        Time step, DO NOT CHANGE MANUALLY

    • Constructor Detail

      • ParticleController

        public ParticleController()

    • Method Detail

      • setTransform

        public void setTransform​(Matrix4 transform)
        Sets the current transformation to the given one.
        Parameters:
        transform - the new transform matrix

      • setTransform

        public void setTransform​(float x,
                         float y,
                         float z,
                         float qx,
                         float qy,
                         float qz,
                         float qw,
                         float scale)
        Sets the current transformation.

      • rotate

        public void rotate​(Quaternion rotation)
        Post-multiplies the current transformation with a rotation matrix represented by the given quaternion.

      • rotate

        public void rotate​(Vector3 axis,
                   float angle)
        Post-multiplies the current transformation with a rotation matrix by the given angle around the given axis.
        Parameters:
        axis - the rotation axis
        angle - the rotation angle in degrees

      • translate

        public void translate​(Vector3 translation)
        Postmultiplies the current transformation with a translation matrix represented by the given translation.

      • setTranslation

        public void setTranslation​(Vector3 translation)

      • scale

        public void scale​(float scaleX,
                  float scaleY,
                  float scaleZ)
        Postmultiplies the current transformation with a scale matrix represented by the given scale on x,y,z.

      • scale

        public void scale​(Vector3 scale)
        Postmultiplies the current transformation with a scale matrix represented by the given scale vector.

      • mul

        public void mul​(Matrix4 transform)
        Postmultiplies the current transformation with the given matrix.

      • getTransform

        public void getTransform​(Matrix4 transform)
        Set the given matrix to the current transformation matrix.

      • isComplete

        public boolean isComplete()

      • init

        public void init()
        Initialize the controller. All the sub systems will be initialized and binded to the controller. Must be called before any other method.

      • allocateChannels

        protected void allocateChannels​(int maxParticleCount)

      • bind

        protected void bind()
        Bind the sub systems to the controller Called once during the init phase.

      • start

        public void start()
        Start the simulation.

      • reset

        public void reset()
        Reset the simulation.

      • end

        public void end()
        End the simulation.

      • activateParticles

        public void activateParticles​(int startIndex,
                              int count)
        Generally called by the Emitter. This method will notify all the sub systems that a given amount of particles has been activated.

      • killParticles

        public void killParticles​(int startIndex,
                          int count)
        Generally called by the Emitter. This method will notify all the sub systems that a given amount of particles has been killed.

      • update

        public void update()
        Updates the particles data

      • update

        public void update​(float deltaTime)
        Updates the particles data

      • draw

        public void draw()
        Updates the renderer used by this controller, usually this means the particles will be draw inside a batch.

      • dispose

        public void dispose()

      • getBoundingBox

        public BoundingBox getBoundingBox()
        Returns:
        a copy of this controller, should be used after the particle effect has been loaded.

      • calculateBoundingBox

        protected void calculateBoundingBox()
        Updates the bounding box using the position channel.

      • findInfluencer

        public <K extends Influencer> K findInfluencer​(java.lang.Class<K> influencerClass)
        Returns:
        the influencer having the given type.

      • removeInfluencer

        public <K extends Influencer> void removeInfluencer​(java.lang.Class<K> type)
        Removes the Influencer of the given type.

      • replaceInfluencer

        public <K extends Influencer> boolean replaceInfluencer​(java.lang.Class<K> type,
                                                        K newInfluencer)
        Replaces the Influencer of the given type with the one passed as parameter.