java吃豆子游戏
import java.awt.*;
/**
* 定义水果的类
*/
public class Fruit{
private int xPos, yPos, xVPos, yVPos;
private int direction;
private Rectangle fruit;
private int appearTime;
private int AI_time1;
private int interval;
public Fruit(){
xPos = 210;
yPos = 189;
xVPos = 210;
yVPos = 189;
fruit = new Rectangle(xPos - 6, yPos - 6, 13, 13);
direction = 2 + (int)(Math.random()*2);
AI_time1 = 0;
interval = 63 + 21*((int)(Math.random()*10));
}
/**
* 移动水果
*/
public void move(Wall[] wall){
appearTime++;
boolean canMoveUp, canMoveDown, canMoveRight, canMoveLeft, changeMovement;
canMoveUp = true;
canMoveDown = true;
canMoveLeft = true;
canMoveRight = true;
changeMovement = false;
Rectangle R;
Rectangle UP = new Rectangle(xVPos - 10, yVPos - 10 - 1, 21, 21);
Rectangle DOWN = new Rectangle(xVPos - 10, yVPos - 10 + 1, 21, 21);
Rectangle LEFT = new Rectangle(xVPos - 10 - 1, yVPos - 10, 21, 21);
Rectangle RIGHT = new Rectangle(xVPos - 10 + 1, yVPos - 10, 21, 21);
for(int i = 0; i < wall.length; i++){
R = new Rectangle(wall[i].getxPos() - 10, wall[i].getyPos() - 10, 21, 21);
if(R.intersects(UP))
canMoveUp = false;
if(R.intersects(UP) && direction == 0){
yPos = yVPos;
changeMovement = true;
}
if(R.intersects(DOWN))
canMoveDown = false;
if(R.intersects(DOWN) && direction == 1){
yPos = yVPos;
changeMovement = true;
}
if(R.intersects(LEFT))
canMoveLeft = false;
if(R.intersects(LEFT) && direction == 2){
xPos = xVPos;
changeMovement = true;
}
if(R.intersects(RIGHT))
canMoveRight = false;
if(R.intersects(RIGHT) && direction == 3){
xPos = xVPos;
changeMovement = true;
}
}
interval-=1;
if(interval <=0)
changeMovement = true;
int u = (int)(Math.random()*4);
if(canMoveUp && direction != 1 && AI_time1 > 10 && u == 0){
direction = 0;
xPos = xVPos;
AI_time1 = 0;
}
if(canMoveDown && direction != 0 && AI_time1 > 10 && u == 1){
direction = 1;
xPos = xVPos;
AI_time1 = 0;
}
if(canMoveLeft && direction != 3 && AI_time1 > 10 && u == 2){
direction = 2;
xPos = xVPos;
AI_time1 = 0;
}
if(canMoveRight && direction != 2 && AI_time1 > 10 && u == 3){
direction = 3;
xPos = xVPos;
AI_time1 = 0;
}
if(changeMovement){
for(;;){
u = (int)(Math.random()*2);
if(direction == 0 || direction == 1){
if(u == 0){
if(canMoveLeft)
direction = 2;
if(canMoveRight)
direction = 3;
}
if(u == 1){
if(canMoveRight)
direction = 3;
if(canMoveLeft)
direction = 2;
}
AI_time1 = 0;
break;
}
if(direction == 2 || direction == 3){
if(u == 0){
if(canMoveUp)
direction = 0;
if(canMoveDown)
direction = 1;
}
if(u == 1){
if(canMoveDown)
direction = 1;
if(canMoveUp)
direction = 0;
}
AI_time1 = 0;
break;
}
}
interval = 63 + 21*((int)(Math.random()*10));
}
if(direction == 0 && canMoveUp)
yPos-=1;
if(direction == 1 && canMoveDown)
yPos+=1;
if(direction == 2 && canMoveLeft)
xPos-=1;
if(direction == 3 && canMoveRight)
xPos+=1;
if(direction == 2 && xPos < 0)
xPos = 420;
if(direction == 3 && xPos > 420)
xPos = 0;
fruit = new Rectangle(xPos - 6, yPos - 6, 13, 13);
int a = (xPos - 10)/21;
int b = (xPos - 10)%21;
if(b < 6)
b = 0;
if(b > 16)
b = 21;
if(b < 17 && b > 5)
b = 11;
xVPos = a*21 + b + 10;
int c = (yPos - 10)/21;
int d = (yPos - 10)%21;
if(d < 6)
d = 0;
if(d > 16)
d = 21;
if(d < 17 && d > 5)
d = 11;
yVPos = c*21 + d + 10;
}
public void draw(Graphics g){
double y = yPos + + 3*(Math.sin(6*appearTime));
g.setColor (new Color (254, 184, 4));
g.fillOval(xPos - 5, (int)(y - 5), 11, 11);
g.setColor (new Color (28, 232, 4));
g.fillRect(xPos - 5, (int)(y - 5), 3, 3);
g.fillRect(xPos - 7, (int)(y - 7), 3, 3);
}
public int getAppearTime(){
return appearTime;
}
public Rectangle getBorder(){
return fruit;
}
}
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