Collision detection help

[threE deE]

I have this code (with some help from the Maze.fla sample).
This code has been applied to the "wall" mc that moves and detects the player's mc. This works but the detection for angled edges on the walls is a bit dodgy and it moves the player back to far from the wall which makes the movement skippy. how would i fix the hittest code to get smooth close collision detection for a topdown view run around game??

onClipEvent(enterFrame){
    with (_root.player){
        angle = 5
        spd = 1.5
        
        // Move Forward
        if (Key.isDown(Key.UP)){
            _x += spd*Math.sin(_rotation*(Math.PI/180))
            _y -= spd*Math.cos(_rotation*(Math.PI/180))
        }
        // Move Backward
        if (Key.isDown(Key.DOWN)){
            _x -= spd/2*Math.sin(_rotation*(Math.PI/180))
            _y += spd/2*Math.cos(_rotation*(Math.PI/180))
        }
        // Turn Left
        if (Key.isDown(Key.LEFT)){
            _rotation -= angle
        }
        // Turn Right
        if (Key.isDown(Key.RIGHT)){
            _rotation += angle
        }
        
        if (wallz.hitTest(getBounds(_root).xMax, _y, true)) {
            _x -= spd
        }
        if (wallz.hitTest(getBounds(_root).xMin, _y, true)) {
            _x += spd
        }
        if (wallz.hitTest(_x, getBounds(_root).yMax, true)) {
            _y -= spd
        }
        if (wallz.hitTest(_x, getBounds(_root).yMin, true)) {
            _y += spd
        }
    }
}

[threE deE]

hello?? ive posted this on five forums and noone bothers to help me.

[Alvaretto]

Hi, unfortunately I can´t help you as I´m a newbie but I can tell you that people here is very helpful and, if you didn´t receive any answer may be is because no one knows it.

Just be a little patient.

(if you want some collision help try to contact the argentine rugby team. Maybe they can tell you something about colliding agains aussies )