20% Project Code 1

// Check for ground
if (place_meeting(x, y+1, obj_wall)) {
    vspd = 0;
    sprite_index = walk;
    airjump = 1;

    // Jumping
    if (jump_key) {
        vspd = -jspd;
        audio_play_sound(snd_jump, 5, false);
    }
} else {
    // Gravity
    if (vspd <= 10) {
        vspd += grav;
    }

    sprite_index = jump;

    // Check For Double Jump
    if (airjump > 0) {
        if (jump_key) {
            vspd = -jspd/1.2;
        }
    }
}