class Cloud : public GModule

Class Cloud

Inheritance:

Public Methods

	Cloud () Constructor
virtual void	draw_graphics (void) Set environmental drawing variables and calls main draw routine.
virtual void	init_graphics (void) If not already called, initialize menu.
virtual void	kill_graphics (void) If memory lock has been set, free it.
virtual void	preinit_graphics (void) Initialize memory lock for cloud.
virtual void	update_graphics (void) Look at each currently active wave and adjust particles according to values of current sounds

Private Methods

void	feed_cloud (double prorate, double color_val, double rotate_val, double rotate_val2, double scale_val, double size_val, double x_val, double y_val, double z_val) New sound parameters are gathered in update_graphics and then passed to feed_cloud where the corresponding graphical attributes are assigned to the cloud particles
void	relax_cloud () If no waves are active, relax the cloud by spinning it down and blanking out the particles
void	render_cloud (void) For each particle in the cloud, render that particle
void	render_particle (long i) Draw an individual particle of the cloud
void	set_center (double xval, double yval, double zval, int xflag, int yflag, int zflag) Calculate and set the cloud's center
void	set_color (double val, long i, int flag) Calculate and set a particle's color
void	set_importance (double val, int flag) Calculate the number of particles to be affected by a particular change in sound
void	set_particle_size (double val, long i, int flag) Calculate and set the size of a particular particle
void	set_rotate (double val, long i, int flag) Calculate and set the x rotation for a particle
void	set_rotate2 (double val, long i, int flag) Calculate and set the y rotation for a particle
void	set_scaling (double val, long i, int flag) Calculate and set a particle's position in relation to the cloud's center

Inherited from GModule:

Cloud()

Constructor. Set up initial cloud. Assign default values to state variables.

virtual void preinit_graphics(void)

Initialize memory lock for cloud.

virtual void init_graphics(void)

If not already called, initialize menu.

virtual void draw_graphics(void)

Set environmental drawing variables and calls main draw routine.

virtual void update_graphics(void)

Look at each currently active wave and adjust particles according to values of current sounds

virtual void kill_graphics(void)

If memory lock has been set, free it.

void render_particle(long i)

Draw an individual particle of the cloud

Parameters:

i - Index for particle in the cloud (mass) to be drawn

void render_cloud(void)

For each particle in the cloud, render that particle. Called from draw_graphics.

See Also:

render_particle
draw_graphics

void feed_cloud(double prorate, double color_val, double rotate_val, double rotate_val2, double scale_val, double size_val, double x_val, double y_val, double z_val)

New sound parameters are gathered in update_graphics and then passed to feed_cloud where the corresponding graphical attributes are assigned to the cloud particles

Parameters:

prorate - Value to calculate which particles are affected.
color_val - Value to calculate particle color.
rotate_val - Value to calculate x axis rotation.
rotate_val2 - Value to calculate y axis rotaiton.
scale_val - Value to calculate cloud density.
size_val - Value to calculate partilcle size.
x_val - Value to calculate x coordinate.
y_val - Value to calculate y coordinate.
z_val - Value to calcualte z coordinate.

See Also:

update_graphics

void relax_cloud()

If no waves are active, relax the cloud by spinning it down and blanking out the particles. Called from feed_cloud.

void set_color(double val, long i, int flag)

Calculate and set a particle's color. Called from feed_cloud.

Parameters:

val - Value to set color
i - Index to particle
flag - True if color gets set with val. Otherwise use a default.

See Also:

feed_cloud

void set_center(double xval, double yval, double zval, int xflag, int yflag, int zflag)

Calculate and set the cloud's center. Called from feed_cloud.

Parameters:

xval - Value to calculate x coordinate.
yval - Value to calculate y coordinate.
zval - Value to calculate z coordinate.
xflag - True if xval will be used. Otherwise use a default.
yflag - True if yval will be used. Otherwise use a default.
zflag - True if zval will be used. Otherwise use a default.

See Also:

feed_cloud

void set_scaling(double val, long i, int flag)

Calculate and set a particle's position in relation to the cloud's center. Called from feed_cloud.

Parameters:

val - Value to calculate scale value.
i - Index to particle.
flag - True if val will be used. Otherwise use a default.

See Also:

feed_cloud

void set_importance(double val, int flag)

Calculate the number of particles to be affected by a particular change in sound. Called from feed_cloud.

Parameters:

val - Value to calculate importance.
flag - True if val will be used. Otherwise use a default.

See Also:

feed_cloud

void set_particle_size(double val, long i, int flag)

Calculate and set the size of a particular particle. Called from feed_cloud.

Parameters:

val - Value to calculate size.
i - Index to particle.
flag - True if val will be used. Otherwise use a default.

See Also:

feed_cloud

void set_rotate(double val, long i, int flag)

Calculate and set the x rotation for a particle. Called from feed_cloud.

Parameters:

val - Value to calculate rotation.
i - Index to particle.
flag - True if val will be used. Otherwise use a default.

See Also:

feed_cloud

void set_rotate2(double val, long i, int flag)

Calculate and set the y rotation for a particle. Called from feed_cloud.

Parameters:

val - Value to calculate rotation.
i - Index to particle.
flag - True if val will be used. Otherwise use a default.

See Also:

feed_cloud

This class has no child classes.

alphabetic index hierarchy of classes

M4cave Sound Visualization

Contacts

• Hans Kaper, kaper@mcs.anl.gov
• Sever Tipei, s-tipei@uiuc.edu
• Elizabeth Wiebel, wiebep@sncac.snc.edu

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