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 Tutorials » Games
The codePlace this code on the player movieclip
onClipEvent (load) {
//---Change these how you like - just keep them over 0
speed = 10;
scrolldistance = 3;
//-----
facing = 0;
moviewidth = Stage.width;
movieheight = Stage.height;
rightsensor = (moviewidth - ((moviewidth / 10) * scrolldistance));
leftsensor = ((moviewidth / 10) * scrolldistance);
fg5 = speed * 1.5;
fg4 = speed * 1.4;
fg3 = speed * 1.3;
fg2 = speed * 1.2;
fg1 = speed * 1.1;
playerspd = speed;
bg1 = speed * 0.9;
bg2 = speed * 0.8;
bg3 = speed * 0.7;
bg4 = speed * 0.6;
bg5 = speed * 0.5;
dbg = speed * 0.1;
}
onClipEvent (enterFrame) {
if(facing ==0){
_xscale = 100;
}else{
_xscale = -100;
}
if (Key.isDown(Key.LEFT)) {
facing = 1;
this.gotoAndStop(2);
if (_x <= leftsensor) {
_root.BACKGROUND._x += bg4;
} else {
_x -= playerspd;
}
}
if (Key.isDown(Key.RIGHT)) {
facing = 0;
this.gotoAndStop(2);
if (_x >= rightsensor) {
_root.BACKGROUND._x -= bg4;
} else {
_x += playerspd;
}
}
if (!Key.isDown(Key.LEFT) && !Key.isDown(Key.RIGHT)){
this.gotoAndStop(1);
}
}
See the code
"_root.BACKGROUND._x += bg4;" and "_root.BACKGROUND._x -= bg4;"
That code sets the background's speed.
The list with the fg1-5 etc. uses the speed variable to determine the different speeds.
Change the 'bg4' to any on the list for different speeds. Consider the distance between the player and the MC you are working on.
The code is not limited to a background - if you add a new MC (such as a small fence) and set it up the same, you can add things into the foreground. Just duplicate the "_root.BACKGROUND._x += bg4;" and "_root.BACKGROUND._x -= bg4;" bits and replace the _root.BACKGROUND with the instance name of the new MC.
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Side scroller - scrolling background
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