choose randomly between the two elements mixed for behavior
choose randomly between the two elements mixed for behavior
pushers.js update:pushStrength property (how many times to push in a single action)range property (how far it can push)


the_ground.js now adds rock dustsrainbow_earth.js and nellfire.js updated accordinglyglenn_gases.js not updated accordingly, so it still has nonspecific rock_dustpushers.jspushStrengthrangethe_ground.jsrainbow_earth.jsnellfire.jsglenn_gases.jsrock_dust