} if (angle_rnd) { angle = dir * (random (50) + 50); } else { angle = dir * Math.abs (angle); } pos_obj = draw_arc (line_mc, posx, posy, r, origin_angle, angle, thickness, color_arr[random (color_arr.length)], 100); //加载树叶 if (leaf_grow) { line_mc.attachMovie ("leaf", "leaf" + time, time, {_x:pos_obj.x, _y:pos_obj.y, _rotation:random (360), _xscale:random (50) + r * 2 + thickness * 5, _yscale:random (50) + r * 2 + thickness * 5, _alpha:random (100) + thickness * 5}); var leaf_color:Color = new Color (line_mc["leaf" + time]); leaf_color.setRGB (leaf_color_arr[random (leaf_color_arr.length)]); } //跟踪 if (is_trace) { line_mc._x = mask._x - pos_obj.x; line_mc._y = mask._y - pos_obj.y; } old_dir = dir; } else { delete line_mc.onEnterFrame; } } //获取文本框内容,为数值 //txt_name:文本框名称 //nan_val:文本内容非数字时所取值 //zero_val:文本内容为0时所取值 //min_val:文本内容最小值 //max_val:文本内容最大值 function get_txt_value (txt_name:TextField, nan_val:Number, zero_val:Number, min_val:Number, max_val:Number) { if (isNaN (Number (txt_name.text))) { txt_name.text = String (nan_val); } else if (Number (txt_name.text) == 0) { txt_name.text = String (zero_val); } else if (Number (txt_name.text) < min_val) { txt_name.text = String (min_val); } else if (Number (txt_name.text) > max_val) { txt_name.text = String (max_val); } return Number (txt_name.text); } //重画 redraw_btn.onRelease = function () { delete line_mc.onEnterFrame; init_prop (); line_mc.onEnterFrame = main; }; //选择是否跟踪 trace_check.onRelease = function () { is_trace = !is_trace; this.gotoAndStop (Number (is_trace) + 1); }; //选择是否生长树叶 leaf_check.onRelease = function () { leaf_grow = !leaf_grow; this.gotoAndStop (Number (leaf_grow) + 1); }; var keep_moving:MovieClip = this.createEmptyMovieClip ("keep_moving", 2); var speed:Number = 10; //移动line_mc function moving (speedx:Number, speedy:Number) { keep_moving.onEnterFrame = function () { line_mc._x += speedx; |