☁ Simple datapack that adds double jump,leap and wall bounce mechanic to minecraft ✔
1.0.3 or above)Leap (1.0.3 or above) : Press shift before a jump to jump higher

Double jump (Of course) : Press shift in air and press JUMP


Wall Bounce (Re-added 1.0.8 or above) : You will gain an extra mid-air jump by touching a wall or block.

WallBounce has many advantages if you master this skill!
/trigger back , which command will bring you to your lastest death position