Help me make Mario like game

programming
86

I dont get it… how do I add the scrolling script to my mario’s script

 onClipEvent (load) {
 gravity = 10;
 scale = _xscale;
 walkSpeed = 6;
 maxjump = 6;
}
onClipEvent (enterFrame) {
 if (air == true) {
 _y += gravity;
 state = 6;
 }
 if (Key.isDown(Key.LEFT) && !_root.leftbound.hitTest(_x, _y, true)) {
 _x -= walkSpeed;
 _xscale = -scale;
 }
 if (Key.isDown(Key.RIGHT) && !_root.rightbound.hitTest(_x, _y, true)) {
 _x += walkSpeed;
 _xscale = scale;
 }
 if (_root.platforms.hitTest(_x, _y, true)) {
 air = false;
 } else {
 air = true;
 }
 if (Key.isDown(Key.SPACE) && jump == true) {
 _y -= jumpSpeed;
 }
 if (air == false) {
 jump = true;
 jumpcount = 0;
 jumpSpeed = 19;
 }
 if (Key.isDown(Key.SPACE)) {
 jumpcount += 1;
 }
 if (jumpcount> maxjump && jumpSpeed> -2) {
 jumpSpeed -= 2;
 }
 if (air == false && !Key.isDown(Key.LEFT) && !Key.isDown(65) && _currentframe <4 or air == false && !Key.isDown(Key.RIGHT) && !Key.isDown(65) && _currentframe <4) {
 state = 1;
 }
 if (Key.isDown(Key.LEFT) && air == false && !Key.isDown(65) && _currentframe <4 or Key.isDown(Key.RIGHT) && air == false && !Key.isDown(65) && _currentframe <4) {
 state = 2;
 }
 if (!Key.isDown(65)) {
 gotoAndStop(state);
 }
 _root.statetxt = state;
}
onClipEvent (keyUp) {
 if (Key.getCode() == 83) {
 jump = false;
 }
}