1<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> 2<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US"> 3<!-- InstanceBegin template="/Templates/default_template.dwt" codeOutsideHTMLIsLocked="false" --> 4<head> 5<meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 6<meta http-equiv="Content-Style-Type" content="text/css" /> 7<!-- InstanceBeginEditable name="CSS の相対パス指定" --> 8<link href="../../../common/manual.css" rel="stylesheet" type="text/css" /> 9<!-- InstanceEndEditable --> <!-- InstanceBeginEditable name="ページのタイトル" --> 10<title>Child Speed Inheritance</title> 11<!-- InstanceEndEditable --> 12</head> 13<body> 14<div> 15 <div class="body"> <!-- InstanceBeginEditable name="本文のタイトル" --> 16 <h1>Child Particle Speed Inheritance </h1> 17 <!-- InstanceEndEditable --> <!-- InstanceBeginEditable name="本文" --> 18 <p>Child particles can be made to move along the same trajectory as their parent particle by having them inherit the velocity of the parent particle at the time of their emission as their own initial velocity. Even more natural motion can be achieved by applying changes to the inherited initial velocity.</p> 19 <p>This section describes how to make children inherit the velocity of their parent.</p> 20 <p>For more about child particle settings, click <a href="../child_create/index.html">here</a>.</p> 21 <h2>Loading sample data</h2> 22 <p>Use CreativeStudio to load the sample data prepared in the following folder.</p> 23 <p>" %NW4C_ROOT%/SampleData/Effect/Intermediate/ManualResource/Snow_Crystal_Particle/Snow_Crystal_Particle.cptl "</p> 24 <p>Set the length of the timeline to 300 frames or higher in order to confirm the entire animation.</p> 25 <h3>Checking Particles</h3> 26 <p>Sample data causes the following two child particles to be emitted from the emitting source Snow_Crystal_Particle.</p> 27 <ol> 28 <li>Snow_Crystal_Glow_Particle is an effect in which faintly glimmering snow crystals fall and fade, while trailed in the same direction by smaller crystals. </li> 29 <li>Snow_Crystal_Shine_Particle drops snowflake crystals that gradually lose speed due to air resistance while glimmering faintly.</li> 30 </ol> 31 <img src="assets/snow_crystal01.png" alt="Completed texture image"/> 32 <h2>Faintly Glimmering Snowflakes</h2> 33 <p>By making the first first child particle move rendered along the same direction as the snow flake, the sknow flake can be made to flicker like a flame.</p> 34 <img src="assets/snow_crystal02.png" alt="Capture image of Snow_Crystal_Glow_Particle"/> 35 <h3>Confirm the Configuration</h3> 36 <p class="no">（1） On the <B>Contents</B>, select Snow_Crystal_Glow_Particle to open the particle <B>Properties</B> panel.</p> 37 <img src="assets/snow_crystal03.png" alt="Snow_Crystal_Glow_Particle Contents panel"/> 38 <p class="no">(2) Go to the <B>General</B> section of the particle <B>Properties</B> panel. Select the checkbox <B>Children inherit velocity from parents</B>.</p></p> 39 <img src="assets/snow_crystal04.png" alt="Snow_Crystal_Glow_Particle particle set Properties panel"/> 40 <p>With this setting, Snow_Crystal_Glow_Particle moves downward trailing smaller crystals that inherit the velocity of their parent at the time they are emitted as their own initial velocity.</p> 41 <h4>If children did not inherit the velocity of their parent</h4> 42 <p class="no">(1) Unselect the checkbox <B>Children inherit velocity from parent</B> in the <B>General</B> section on the particle <B>Properties</B> panel displayed for Snow_Crystal_Glow_Particle.</p> 43 <img src="assets/snow_crystal05.png" alt="Snow_Crystal_Glow_Particle property OFF"/> 44 <p class="no">(2) Because children do not inherit their velocity from their emitter, Snow_Crystal_Particle, they appear static and disappear before long.</p> 45 <img src="assets/snow_crystal06.png" alt="Preview when velocity is not inherited"/> 46 <p>As shown, when child particles are emitted from parent particles they can be made to inherit the parent's velocity as their own initial velocity just by selecting this checkbox.</p> 47 <h2>Trickling Crystals</h2> 48 <p>The second child particle represents trickling snow crystals that gradually lose speed due to air resistance while tracking the path of the falling snowflake.</p> 49 <img src="assets/snow_crystal07.png" alt="Capture image of Snow_Crystal_Shine_Particle"/> 50 <h3>Varying the velocity inherited as initial velocity from the parent</h3> 51 <p>This section describes how to vary the velocity inherited as the initial velocity using the child particle, Snow_Crystal_Shine_Particle, when child particles are emitted from the emission source, Snow_Crystal_Particle.</p> 52<p class="no">(1) Select Snow_Crystal_Shine_Particle, and check that <B>Children inherit velocity from parent</B> in the General section on the particle <B>Properties</B> panel is selected.</p> 53 <img src="assets/snow_crystal08.png" alt="Snow_Crystal_Shine_Particle Properties ON"/> 54 <p class="no">(2) Change the rate of acceleration in the Speed section of the particle <B>Properties</B> panel.</p> 55 <img src="assets/snow_crystal09.png" alt="Snow_Crystal_Shine_Particle acceleration/deceleration_X1"/> 56 <p class="no">(3) Change the rate of acceleration using the slider. Check that the velocity inherited as initial velocity appears to change on the <B>Preview</B> screen.</p> 57 <img src="assets/snow_crystal10.png" alt="Snow_Crystal_Shine_Particle acceleration/deceleration"/> 58 <p>In this way, more natural motion can be achieved by applying changes to the inherited initial velocity.</p> 59 <!-- InstanceEndEditable --> </div> 60 <div class="footer" /> 61</div> 62<hr><p>CONFIDENTIAL</p></body> 63<!-- InstanceEnd --> 64</html>
