Firework Chrysanthemum

Overview ¶

This shelf tool sets up a chrysanthemum-type firework, producing a spherical burst of colored lights in the sky. It is one of the most common aerial effects used in fireworks displays. The simulation is divided into multiple particle components, which are rendered separately and composited together.

Important nodes ¶

set_pos

Sets the launch position of the firework from the ground.

num_of_trails

Controls how many fireworks to launch from the ground.

ballisticpath1

Sets the initial launch path for the firework.

popnet1

Simulates all the particles for the firework.

attribadjustcolor7

Controls the color distribution of the particles.

lopnet1

This network is used to the render all the layers in the particle effect.

copnet1

This network is used to composite all the layers in the particle effect.

camera1

A SOP-level camera that is used for the rendering of the particle effect.

Learning from this example ¶

To...	Do this
Change the firework trajectory	Use the `ballisticpath1` node to control the path the firework follows. This works in conjunction with the `adjust_targetP` node, which controls the position where the firework explodes.
Change the number of fireworks launched	Modify the Points per Point parameter on the `num_of_trails` node.
Change the position of the firework	Change the Point 0 position on the `set_pos` node, which controls the launch position of the firework.
Change the particle simulation	Dive inside the `popnet1` particle network to change the particle behavior. Use the `popdrag` nodes inside the network to control the particle behavior.
Cache the particle simulation	Use the `sim_firework_chrysanthemum1` file cache node to cache the simulation and speed up subsequent processing.
Render and Composite	Use the provided `lopnet1` network to render the particles to images. After rendering, use the included `copnet1` network to composite the rendered images into the final effect.

Firework Chrysanthemum shelf tool

Overview ¶

Important nodes ¶

Learning from this example ¶

Shelf tools

Using the shelf ¶

Technical ¶