Particle Expressions

field Parameter to Control individual particles

fieldname_attributename

example. additional attribute name uniformField1_magnitude

Attach Fields to particles or points

1. select field and particle and click "Use Selected as Source of Field"
2. Check "Apply Per Vertex" in Special Effect tab in Field Attribut
3. make additional attribute. the name must be <fieldname_attributename>
4. edit the attribut by expression

split by ID

$Pnumber = 7;

$split = particleId%$Pnumber;

$p = position*0.7;

float $noiseX = noise(<<$p.x, $p.y + 100 + 100*$split, $p.z>>);

float $noiseY = noise(<<$p.x, $p.y + 200 + 2000*$split, $p.z>>);

float $noiseZ = noise(<<$p.x, $p.y + 300 + 30000*$split, $p.z>>);

velocity += (<<$noiseX, $noiseY, $noiseZ>>* (8 - ($split/2))) + sphrand(noise(<<$p.x+1000, $p.y + 300 + 50000*$split, $p.z>>));

rgbPP = <<(1.0/$Pnumber)*($split), 0, 0>>;