Ripple Effect Using Children

In this tutorial, we describe how to create child particles using the ripple effect caused by falling water in a fountain as an example.

For a detailed description of how to create effects, click here.

The basic procedure is given below.

• Preparing to Create the Effect
• Creating Child Particles
• Setting Child Particles

Preparing to Create the Effect

Confirming the Loading of the File

The effect file used in this tutorial is located in the folder given below.

" SampleData/Effect/Intermediate/ManualResource/Fountain_Effect/Fountain_Effect_Mid_Flow.cptl "

Effect files created for this tutorial are located in the following location.

" SampleData/Effect/Intermediate/ManualResource/Fountain_Effect/Fountain_Effect.cptl "

Creating a new project

On the main menu, select File > New > Project to open a dialog box for creating new projects.

Without changing the project name, just press OK.

Loading effects

On the main menu, select File > Open, and load the file Fountain_Effect_Mid_Flow.cptl located in the folder Fountain_Effect.

Select Fountain and press F5 to transfer data to the Viewer.

Check the fountain effect on the Viewer.

Creating Child Particles

Here, we use child particles to create ripples generated when fountain particles strike the ground.

Select Fountain_Drop_Particle.

The following methods of creating child particles are available.

• Press Add a new child particle on the Project Window tool bar to open a dialog for creating a new effect.

Enter Fountain_Ripple_Particle for the child particle name and press OK.

At this point, the following entries are shown for Fountain.

• Fountain_Drop_Particle represents the fountain particle
• Fountain_Ripple_Particle represents the ripple created using child particles when the fountain particle strikes the ground.

Setting Child Particles

Here, we set the child particle representing the ripple.

Emitter Settings

Here, we set the emitter so that the ripple particles are emitted when the fountain particles hit the ground.

Double click Fountain_Ripple_Particle to open the Property Window.

Select Child particles and check that Timing is set to When parent particle expires

Other Settings

As for other settings, you can copy child settings by loading the finished effect file Fountain_Effect.

Check the ripple effect when fountain particles strike the ground on the Viewer.

CONFIDENTIAL