RainbowTask.java

public class RainbowTask implements Runnable
{
    private Rainbow pl;

    public RainbowTask(Rainbow rainbow)
    {
        pl = rainbow;
    }

    @Override
    public void run()
    {
        for (Player p : pl.RainbowList) {
            nextRGB();
            //Быдлокод2000
            ItemStack boots = new ItemStack(Material.LEATHER_BOOTS);
            ItemStack leggins = new ItemStack(Material.LEATHER_LEGGINGS);
            ItemStack chestplate = new ItemStack(Material.LEATHER_CHESTPLATE);
            ItemStack helmet = new ItemStack(Material.LEATHER_HELMET);

            LeatherArmorMeta meta = (LeatherArmorMeta)boots.getItemMeta(); meta.setColor(Color.fromBGR(r, g, b)); boots.setItemMeta(meta); p.getInventory().setBoots(boots);

            meta = (LeatherArmorMeta)leggins.getItemMeta(); meta.setColor(Color.fromBGR(r, g, b)); leggins.setItemMeta(meta); p.getInventory().setLeggings(leggins);

            meta = (LeatherArmorMeta)chestplate.getItemMeta(); meta.setColor(Color.fromBGR(r, g, b)); chestplate.setItemMeta(meta); p.getInventory().setChestplate(chestplate);

            meta = (LeatherArmorMeta)helmet.getItemMeta(); meta.setColor(Color.fromBGR(r, g, b)); helmet.setItemMeta(meta); p.getInventory().setHelmet(helmet);
        }
    }

    private int r=255;
    private int g=0;
    private int b=0;
    private void nextRGB() {
        if ( r == 255 && g < 255 && b == 0 ) {
            g+=pl.jump;
        }
        if ( g == 255 && r > 0 && b == 0 ) {
            r-=pl.jump;
        }
        if ( g == 255 && b < 255 && r == 0 ) {
            b+=pl.jump;
        }
        if ( b == 255 && g > 0 && r == 0 ) {
            g-=pl.jump;
        }
        if ( b == 255 && r < 255 && g == 0 ) {
            r+=pl.jump;
        }
        if ( r == 255 && b > 0 && g == 0 ) {
            b-=pl.jump;
        }
        if (r>255) r=255; if (g>255) g=255; if (b>255) b=255;
        if (r<0) r=0; if (g<0) g=0; if (b<0) b=0;
    }
}