Y coordinate problems

[Anni]

Well since I'm an AS noobie I guess I'd post here.

I was using a guide to make a simple platform game and I came across an annoying problem.


// jumping down
function jump_down(valueY) {
if (!this.stage.limit.hitTest(this.character._x, this.character._y, true)) {
this.character._y += valueY;

} else {
// if you fall too deep in a limit, then you are placed correctly
for (i=1; i<=5; i++) {
if (!this.stage.limit.hitTest(this.character._x, this.character._y-i, true)) {
this.character._y -= i-3;
break;
}
}
this.character.gotoAndStop("stand");
}
}


Stage is the actual stage.
Limit are the borders that cannot be crossed.

Anyways, this results in a problem; when the character jumps, it always goes to the normal y (a normal jump landing), then subtracts 8 y the jump afterwards (making the character go inside the limits, 8y below), then the third jump it goes back to y, then subtracts 8, and etc.

I am pretty sure the problem eminates from this part of the AS, but if more information is needed do say so, i'm pretty bad at explaining as well.

[NTD]

Hi,

Assuming that the limit values range from 1 to 5, instead of subtracting i from the _y value, it would seem that you need to subtract i from the total limits value or...... 5-i.... in the for loop....

if (!this.stage.limit.hitTest(this.character._x, this.character._y-(5-i), true)) {

This may be incorrect as I've only glanced at the code and not tested it but worth a quick test to see if it might be the issue. I didn't follow the explanation of the jumping problem. Maybe post a demo file to show the problem.