导航条按钮控制对象

vx = 0;
function dy(bb) {
onEnterFrame = function () {
dx = bb-mc._x;
ax = 0.1*dx;
mc._x += ax;
};
}
btn1.onRelease = function() {
dy(100);
};
btn2.onRelease = function() {
dy(200);
};
btn3.onRelease = function() {
dy(300);
};
btn4.onRelease = function() {
dy(400);
};


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另一个
vx = 0;
function dy(bb) {
onEnterFrame = function () {
dx = bb-mc._x;
ax = 0.1*dx;
vx = (vx+ax)*0.9;
mc._x += vx;
};
}
btn1.onRelease = function() {
dy(100);
};
btn2.onRelease = function() {
dy(200);
};
btn3.onRelease = function() {
dy(300);
};
btn4.onRelease = function() {
dy(400);
};