# Help with jumping in platform game

**URL:** <https://forum.kirupa.com/t/help-with-jumping-in-platform-game/168202>\
**Category:** programming\
**Created:** [November 4, 2005, 8:08pm UTC](https://forum.kirupa.com/t/help-with-jumping-in-platform-game/168202 "2005-11-04T20:08:33Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![buya7](https://avatars.discourse-cdn.com/v4/letter/b/ad7895/32.png) [@buya7](https://forum.kirupa.com/u/buya7)\
**Post date:** [November 4, 2005, 8:08pm UTC](https://forum.kirupa.com/t/help-with-jumping-in-platform-game/168202/1 "2005-11-04T20:08:33Z")

</div>

I’m using this code for my character: Why isn’t my jumping working?

onClipEvent (load) {  
jumping = true;  
// jumping is true  
speed = 0;  
// speed is 0  
//////////////////////  
////Ammendment 1//  
//////////////////  
healthX = \_root.health.\_x;  
//sets healthX to the starting X postition of the “health” MC  
scoreX = \_root.score.\_x;  
//sets scoreX to the starting X postition of the “score” MC  
Xpos = this.\_x;  
//sets Xpos to the starting X postition of this MC  
Ypos = this.\_y;  
//sets Ypos to the starting Y postition of this MC  
////////////////  
///////  
maxmove = 15;  
// maxmove is fifteen(max run seed)  
\_root.maxshoottime = 100;  
// \_root.maxshoottime is set to 100  
// this is how far you want the bullets to travel before deleting  
}  
onClipEvent (enterFrame) {  
//////////////////////  
////Ammendment 2//  
//////////////////  
\_x = Xpos-\_root.\_x;  
//sets the X pos to the starting X postition of this MC  
\_root.score.\_x = scoreX-\_root.\_x;  
//sets the scire MCs X pos to its starting point on the screen  
\_root.health.\_x = healthX-\_root.\_x;  
//sets the health MCs X pos to its starting point on the screen  
if (!\_root.ground.hitTest(this.\_x, this.\_y, true) && !jumping) {  
// if NOT hitting X and Y postion with the ground and NOT jumping  
this.\_y += 6;  
// Y positon moves up 6  
}  
////////////////  
///////  
if (!\_root.shooting) {  
// if \_root.shooting is false  
\_root.timer = 0;  
// \_root.timer is set to 0  
\_root.mvsp = \_xscale/20;  
// \_root.mvsp is set to the chars xscale divided by 20  
// the answer to this is the speed of the bullets  
}  
if (\_root.dead) {  
// if dead is true  
this.gotoAndStop(“dead”);  
// goto and stop on the “dead” frame  
} else {  
// otherwise (if they are not dead)  
speed \*= .85;  
// speed is multiplied by .85  
// the lower the faster is slows  
if (dir == “right” && !\_root.leftblock.hitTest(this.\_x+20, this.\_y, true)) {  
\_root.health.\_x += speed;  
// moves the health, the opposite way to the \_root  
\_root.score.\_x += speed;  
// moves the score, the opposite way to the \_root  
this.\_x += speed;  
// moves the char, the opposite way to the \_root  
\_root.\_x -= speed;  
// moves the \_root  
}  
//////////////////////  
////Ammendment 3//  
//////////////////  
if (speed\>0) {  
//if speed is smaller than 0  
dir = “right”;  
// the variable dir is set to right  
} else if (speed\<0) {  
//if speed is greater than 0  
dir = “left”;  
// the var dir is set to left  
}  
if (dir == “left” && !\_root.rightblock.hitTest(this.\_x-20, this.\_y, true)) {  
\_root.health.\_x += speed;  
// moves the health, the opposite way to the \_root  
\_root.score.\_x += speed;  
// moves the score, the opposite way to the \_root  
this.\_x += speed;  
// moves the char, the opposite way to the \_root  
\_root.\_x -= speed;  
// moves the \_root  
}  
if (Key.isDown(Key.LEFT)) {  
// if left is pressed  
if (speed\>-maxmove) {  
// if the speed is greater than neg. maxmove  
speed–;  
// speed goes lower  
}  
this.gotoAndStop(“run”);  
// goto and stop the run frame  
this.\_xscale = -100;  
// scale is set to neg. 100  
// this is what rotates ur char  
///////////////////  
///////////////  
} else if (Key.isDown(Key.RIGHT)) {  
// otherwise if right is pressed  
if (speed\<maxmove) {  
// if the speed is smaller than maxmove  
speed++;  
// speed goes up  
}  
this.\_xscale = 100;  
// scale is set to 100  
// this is what rotates ur char  
this.gotoAndStop(“run”);  
// goto and stop the run frame  
} else if (Key.isDown(Key.CONTROL)) {  
// otherwise if control is pressed  
this.gotoAndStop(“attack”);  
// goto and stop the attack frame  
attacking = true;  
// attacking is true  
speed = 0;  
// speed is set to 0  
} else if (Key.isDown(Key.SPACE)) {  
// otherwise if space is pressed  
if (\_root.gotgun == true && !\_root.shooting) {  
// if \_root.gotgun is true(they have the gun) and \_root.shooting is false  
\_root.attachMovie(“bullet”, “bulleter”, 1, {\_x:\_root.char.\_x, \_y:\_root.char.\_y-25});  
// attach the movie with the Linkage name “bullet” to the \_root at the character X position and the Y position minus 25  
\_root.shooting = true;  
// \_root.shooting is set true  
with (\_root.bulleter) {  
// all code below this code and it’s closer refer to \_root.bulleter  
onEnterFrame = function () {  
// setting the onEnterFrame events (onClipEvent)  
if (\_root.timer\>\_root.maxshoottime) {  
// if \_root.timer is smaller than \_root.maxshoottime  
\_root.shooting = false;  
// shooting is false  
unloadMovie(this);  
// this movie clip is unloaded  
}  
\_root.timer++;  
// \_root.timer goes up 1  
\_x += \_root.mvsp;  
// the X goes up \_root.mvsp (which is set constantly and stays the same when shooting.) };  
};  
}  
attacking = true;  
// attacking is true  
speed = 0;  
// speed is set to 0  
this.gotoAndStop(“shoot”);  
// goto and stop on the shoot frame  
}  
} else if (speed\<1 && speed\>-1 && !attacking) {  
// if speed is smaller than one and greater than neg. 1  
speed = 0;  
// speed is set to 0  
this.gotoAndStop(“idle”);  
// gotoAndStop the idle frame  
}  
if (Key.isDown(Key.UP) && !jumping) {  
// if up is pressed and NOT jumping  
jumping = true;  
// jumping is set true  
}  
if (jumping) {  
// if jumping is true  
this.gotoAndStop(“jump”);  
this.\_y -= jump;  
// Y position is set down jump  
jump -= .5;  
// jump is set down .5  
if (jump\<0) {  
// if jump is smaller than 0  
falling = true;  
// falling is true  
}  
if (jump\<-15) {  
// if jump is smaller than neg. 5  
jump = -15;  
// jump is set to neg 5  
// capping fall speeds prevents falling through grounds  
}  
}  
if (\_root.ground.hitTest(this.\_x, this.\_y, true) && falling) {  
// if hitting X an Y postions with the ground and falling  
jump = 12;  
// jump is set to 9  
jumping = false;  
// jumping is false  
falling = false;  
// falling is false  
}  
}  
}  
onClipEvent (keyUp) {  
// on Key Up  
if (Key.getCode() == Key.CONTROL) {  
// if the release is control  
attacking = false;  
// attacking is false  
}  
}  
onClipEvent (load) {  
vel\_y = 0;  
//this will be used for his jumping velocoty//  
started = true;  
//this will be required when we make his movement//  
jumping = false;  
//this will be required when we make his jumping//  
xspeed = 5;  
//this is his movement speed//  
this.stop();  
//and this commands him to hault on his standing sequence (asuming that you made his standing sequence on his first frame)//  
}