This lovely little plugin will draws the properties of Arcade Physics bodies, with lots of configuration options:
game.plugins.add(Phaser.Plugin.DebugArcadePhysics);
// Draw every physics body
game.debug.arcade.on()
// Draw none
game.debug.arcade.off()
// Draw one
game.debug.arcade.renderObj( player );
// Optional: configure
game.debug.arcade.configSet({
filter: null,
lineWidth: 1 ,
on: yes ,
renderAcceleration: yes ,
renderBody: yes ,
renderCenter: yes ,
renderDrag: yes ,
renderMaxVelocity: yes ,
renderLegend: yes ,
renderSpeed: yes ,
renderVelocity: yes
}); // -> see console for values