第一套粒子随机颜色表达式:
float $h = rand(360)/360;
float $s = rand(0.85,0.9);
particleShape1.rgbPP = hsv_to_rgb(<<$h,$s,1>>);
第二套粒子父子继承颜色:
float $pid = particleShape2.parentId;
float $clr[] = `particle -at rgbPP -id $pid -q particle1`;
particleShape2.rgbPP = <<$clr[0],$clr[1],$clr[2]>>;