Flash as 3.0 keyboard control code

Flash as 3.0 keyboard control code

Package sxl {// package path, that is, create an sxl folder, which contains the MainMap. as file
Import flash. display. Sprite; // display object container
Import flash. display. MovieClip; // you need to attach coordinates and other attributes to the block, so select it.
Import flash. display. DisplayObject; // you can see it for yourself.
Import flash. text. TextField;
Import flash. events. Event;
Import flash. events. MouseEvent;
Import flash. events. KeyboardEvent;
Import flash. ui. Keyboard;
Import flash. display. StageScaleMode;
Public class MainMap extends MovieClip {
/* | Container Road and obstacle block container | man game protagonist | GoldCoin GoldPos_array GoldXY gold coins can be placed in coordinates to generate sequence of gold coins
| Score_txt score | number of columns in the row col column number of square lines | length of the W_H square side and horizontal and vertical walking range of each step
| Width and height of stageW stageH | list_array stores all the ground blocks (accessible green blocks and obstacle blocks)
*/
Private var container: Sprite = new Sprite;
Private var man: MovieClip;
Private var GoldCoin: MovieClip;
Private var GoldPos_array: Array;
Private var GoldXY: uint = 0;
Private var Score_txt: TextField;
Private var row: uint = 28;
Private var col: uint = 20;
Private var W_H: uint = 20;
Private var stageW: uint = 560;
Private var stageH: uint = 420;
Private var list_array: Array;
Public function MainMap (){
Stage. scaleMode = StageScaleMode. NO_SCALE;
// Background
Var Bg: MovieClip = new MovieClip;
CreateRect (Bg, stageW, stageH, 0x808080, 0xDCF76F );
AddChild (Bg );
AddChild (container );
InitList_array ();
// Create the main character
Man = new MovieClip;
CreateRect (man, W_H, W_H, 0xFFFF00, 0xFF0000 );
Man. x = 0;
Man. y = W_H;
Man. X = 0;
Man. Y = 0;
AddChild (man );
// Create a background
SetTopBg ();
// Create a ground
InitMap ();
  }
//..... Create a background area .................................... ...............................
Private function setTopBg (){
Var topBg: MovieClip = new MovieClip;
CreateRect (topBg, 560, W_H, 0x000000, 0 xEEEEEE );
TopBg. y =-1;
Var title_txt: TextField = new TextField;
Title_txt.text = "by lausu QQ: 285510591 place chart set score :";
Title_txt.width = 400;
Title_txt.height = 18;
Title_txt.x = 10;
TopBg. addChild (title_txt );
Score_txt = new TextField ();
Score_txt.width = 60;
Score_txt.height = 18;
Score_txt.x = 400;
TopBg. addChild (Score_txt );
AddChild (topBg );
Var textBg: MovieClip = new MovieClip;
CreateRect (textBg, 55,16, 0 xEEEEEE, 0 xEEEEEE );
TextBg. x = 500;
Var txt: TextField = new TextField;
Txt. text = "Magic Map ";
Txt. height = 18;
Txt. width = 55;
TextBg. addChild (txt );
TextBg. mouseChildren = false;
TextBg. addEventListener (MouseEvent. CLICK, onReSet );
AddChild (textBg );
  }
//..... Reset the main character and ground area .................................. ...................................
Private function onReSet (event: MouseEvent ){
If (GoldXY> 0 ){
GoldXY --;
Var score: uint = GoldXY * 50;
Score_txt.text = String (score );
} Else {
Score_txt.text = "magic used up ";
Event.tar get. removeEventListener (MouseEvent. CLICK, onReSet );
   }
// Create the main character
Man = new MovieClip;
CreateRect (man, W_H, W_H, 0xFFFF00, 0xFF0000 );
Man. x = 0;
Man. y = W_H;
Man. X = 0;
Man. Y = 0;
AddChild (man );
// Reset the map
ReSetMap ();
  }
//..... Reset the ground area .................................... .....................................
Private function reSetMap (){
// Clear sub-elements in the INER container (that is, all ground blocks: green blocks and obstacle blocks)
Var long: int = container. numChildren-1;
For (var I: int = long; I> = 0; I --){
Container. removeChildAt (I );
   }
Stage. removeEventListener (KeyboardEvent. KEY_DOWN, onKeyDowns );
// Clear the elements in the list_array array and initialize it as a two-dimensional array
InitList_array ();
// Lay ground blocks
InitMap ();
  }
// Initialize list_array as a two-dimensional array
Private function initList_array (){
List_array = [];
For (var I: uint = 0; I <row; I ++ ){
List_array = new Array (col );
   }
  }
//........ Lay the ground block .................................... .................
Private function initMap (){
// Clear the gold coins and their coordinate values to be placed
GoldPos_array = [];
// N rand controls the creation of dark walls | m no controls the creation of yellow blocks
Var n: uint = 0;
Var m: uint = Math. random () * (row-1) * (col-1) + 2;
Var no: uint = 1;
For (var I: uint = 0; I <row; I ++ ){
For (var j: uint = 0; j <col; j ++ ){
No ++;
Var cell: MovieClip = new MovieClip;
// The rand random number determines the number of barrier blocks, that is, the complexity of accessible ground.
Var rand: uint = Math. random () * 2 + 1;
Cell. x = I * W_H;
Cell. y = W_H + j * W_H;
Cell. X = I;
Cell. Y = j;
If (rand = 2 ){
N ++;
     }
If (n % 3 = 0 & no! = M ){
If (cell. x = man. x & cell. y = man. y ){
// Create a passable green box. Attribute K = 0 indicates passable
CreateRect (cell, W_H, W_H, 0x808080, 0xDCF76F );
Cell. K = 0;
// The coordinates of the gold coins to be placed
GoldPos_array.push (cell );
} Else {
// Create a dark wall for an inaccessible obstacle. Attribute K = 1 indicates that the wall is not accessible.
CreateRect (cell, W_H, W_H, 0x808080, 0xCEBB0F );
Cell. K = 1;
      }
} Else if (no! = M ){
// Create a passable green box. Attribute K = 0 indicates passable
CreateRect (cell, W_H, W_H, 0x808080, 0xDCF76F );
Cell. K = 0;
// The coordinates of the gold coins to be placed
GoldPos_array.push (cell );
} Else {
// Create a passable green box. Attribute K = 0 indicates passable
// CreateRect (cell, W_H, W_H, 0x808080, 0xDCF76F );
Cell. K = 0;
// The coordinates of the gold coins to be placed
GoldPos_array.push (cell );
GoldCoin = new MovieClip;
CreateRect (GoldCoin, W_H, W_H, 0x808080, 0x2BBFFF );
GoldCoin. name = "GoldCoin ";
// If (goldBoolean ){
GoldCoin. x = cell. x;
GoldCoin. y = cell. y;
Container. addChild (GoldCoin );
     }
// Store squares in arrays
List_array [j] = cell;
// Add the square to the container
Container. addChild (cell );
    }
   }
AddChild (container );
// The main character is on the container, and the implementation is always visible.
This. swapChildren (man, container );
// The Order of the gold coins and their available coordinate arrays is out of order
RandomArray (GoldPos_array );
// After the ground is created, add the keyboard listener to implement the function of moving the main character
Stage. addEventListener (KeyboardEvent. KEY_DOWN, onKeyDowns );
  }
//..... Keyboard listening area ..................................... ........................................ ........................................ ...................
Private function onKeyDowns (event: KeyboardEvent ){
// Obtain the x y value of the main character, which is used to determine whether the x y value can be moved. (based on the x y value, the top, bottom, left, and right sides of the ground Square are determined by the list_array array, whether the k value of the top, bottom, left, and right sides of the square on the ground is 0, 0 is movable, and 1 is not movable)
Var X: uint = man. X;
Var Y: uint = man. Y;
Switch (event. keyCode ){
Case Keyboard. UP:
If (Y = 0 ){
// When the upper boundary is exceeded, set the coordinate of the main character to the bottom, and reset the ground block to enter a new ground.
Man. Y = col-1;
Man. y = stageH-W_H;
ReSetMap ();
} Else if (list_array [X] [Y-1]. K = 0 ){
// If K is 0, it indicates that it is a passable green block.
// The main character moves one cell up. At the same time, the Y value of the main character is reduced by 1.
Man. y-= W_H;
Man. Y --;
     }
Break;
Case Keyboard. DOWN:
If (Y = col-1 ){
// When the bottom boundary is exceeded, set the coordinate of the main character to the top, and reset the ground block to enter a new ground.
Man. Y = 0;
Man. y = W_H;
ReSetMap ();
} Else if (list_array [X] [Y + 1]. K = 0 ){
// If K is 0 in the lower section of the adjacent area, it indicates that it is a passable Green Square.
// Move the main character one by one. At the same time, the Y value of the main character is increased by 1.
Man. y + = W_H;
Man. Y ++;
     }
Break;
Case Keyboard. LEFT:
If (X = 0 ){
// When the left boundary is exceeded, set the coordinate of the main character to the rightmost, and reset the ground block to enter a new ground.
Man. X = row-1;
Man. x = stageW-W_H;
ReSetMap ();
} Else if (list_array [X-1] [Y]. K = 0 ){
// If K of the left square is 0, it indicates that it is a passable Green Square.
// The main character moves one cell to the left. At the same time, the X value of the main character is reduced by 1.
Man. x-= W_H;
Man. X --;
     }
Break;
Case Keyboard. RIGHT:
If (X = row-1 ){
// When the right boundary is exceeded, set the coordinate of the main character to the leftmost, and reset the ground block to enter a new ground.
Man. x = 0;
Man. X = 0;
ReSetMap ();
} Else if (list_array [X + 1] [Y]. K = 0 ){
// If K is 0 in the right square, it indicates that it is a passable Green Square.
// The protagonist moves one cell to the right. At the same time, the X value of the protagonist increases by 1.
Man. x + = W_H;
Man. X ++;
     }
Break;
Default:
Break;
   }
Var objisplayObject = container. getChildByName ("GoldCoin ");
If (man. x = obj. x & man. y = obj. y ){
Container. removeChild (obj );
// Create GoldCoin
// Order of gold coins
If (GoldXY <GoldPos_array.length ){
GoldXY ++;
Var score: uint = GoldXY * 50;
Score_txt.text = String (score );
} Else {
// Game over
Score_txt.text = "you vin! ";
    }
GoldCoin = new MovieClip;
CreateRect (GoldCoin, W_H, W_H, 0x808080, 0x2BBFFF );
GoldCoin. name = "GoldCoin ";
GoldCoin. x = GoldPos_array [GoldXY]. x;
GoldCoin. y = GoldPos_array [GoldXY]. y;
Container. addChild (GoldCoin );
   }
  }
//..... Create a rectangle ..................................... ......................................
Private function createRect (sprite: MovieClip, w: uint, h: uint, lineCor: uint, fillCor: uint ){
Sprite. graphics. lineStyle (1, lineCor );
Sprite. graphics. beginFill (fillCor );
Sprite. graphics. drawRect (0, 0, w, h );
Sprite. graphics. endFill ();
  }
// ----- Out-of-order array partition -------------------------------------------------------------
Private function randomArray (Target_array: Array ){
Target_array.sort (function (){
Return Math. round (Math. random ())? 1:-1;
});
  }
}
}