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Rotation (Particle)

Description

Returns or sets the particle's orientation as an SIVector3.

C# Syntax

// get accessor
Object rtn = Particle.Rotation;

// set accessor
Particle.Rotation = Object;

Examples

VBScript Example

'
'  This example demonstrates how to read and write the rotation of legacy particles
'
NewScene , false
CreateParticleCloud , "Disc"

' Set up the particles to use a sprite shader displaying the noIcon.pic graphic
SetValue "PEmitter.PEmitter_emission.Rate", 10
SetValue "ParTypes.PType.Size", 2
SICreateImageClip XSIUtils.BuildPath( _
   Application.InstallationPath(siFactoryPath), _
   "Application", "rsrc", "noIcon.pic")
SetValue "ParTypes.PType.sprite_imagename", "Clips.noIcon_pic"
CreateShaderFromPreset "Shaders\Texture\Particle_Old\Particle_Sprite.Preset", _
   "Sources.Materials.DefaultLib.Material"
SIConnectShaderToCnxPoint "Sources.Materials.DefaultLib.Material.Particle_Sprite", _ 
"ParTypes.PType.Particle_Billboard.Particle_Shape.Input"

' Go to frame 11 (to emit enough particles to be able to demonstrate the changes)
SetValue "PlayControl.Current", 11

' Find the cloud object under the Scene_Root
set oCloud = Application.ActiveSceneRoot.Children("cloud")

' Set all particles to this rotation
set v1 = XSIMath.CreateVector3( 1.5, 2.0, 1.0 )
for i=0 to oCloud.Particles.Count - 1
set myParticle = oCloud.Particles(i)
myParticle.Rotation = v1  
Application.LogMessage "Rotation.x: " & myParticle.Rotation.X  
Application.LogMessage "Rotation.y: " & myParticle.Rotation.Y  
Application.LogMessage "Rotation.z: " & myParticle.Rotation.Z  
next


' Expected results:
' INFO : Rotation.x: 1.5
' INFO : Rotation.y: 2
' INFO : Rotation.z: 1
' INFO : Rotation.x: 1.5
' INFO : Rotation.y: 2
' INFO : Rotation.z: 1
' INFO : Rotation.x: 1.5
' INFO : Rotation.y: 2
' INFO : Rotation.z: 1
' INFO : Rotation.x: 1.5
' INFO : Rotation.y: 2
' INFO : Rotation.z: 1

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