整個村陪葬

 1.

void setup(){

  size(640,360);

}

Ball ball = new Ball(100,200,20);

void draw(){

  ball.display();

}

class Ball{

  float x,y,r;

  Ball( int x0,int y0,int r0){

    x = x0;

    y = y0;

    r = r0;

  }

  void display(){

    ellipse(x,y,r+r,r+r);

  }

}

2.

void setup(){

  size(640,360);

}

Ball ball = new Ball(100,200,20);

void draw(){

  ball.update();

  ball.display();

}

// 把class Ball 移到右邊的Ball 分頁

class Ball{

  float x,y,r;

  float vx,vy;

  Ball( int x0,int y0,int r0){

    x = x0;

    y = y0;

    r = r0;

    vx = random(-10,+10);

    vy = random(-10,+10);

  }

  void update(){

    if(x+vx>640 || x+vx<0) vx = -vx;

    if(y+vy<0 || y+vy>360) vy = -vy;

    x += vx;

    y += vy;

  }

  void display(){

    ellipse(x,y,r+r,r+r);

  }

}

 3.

void setup(){

  size(640,360);

}

Ball ball = new Ball(100,200,20);

Ball ball2 = new Ball(300,200,60);

void draw(){

  background(#C0EBD7);

  if(ball.checkCollision (ball2)) fill(#F98D74);

  else fill(255);

  ball.update();

  ball.display();

  ball2.update();

  ball2.display();

}

// 把class Ball 移到右邊的Ball 分頁

class Ball{

  float x,y,r;

  float vx,vy;

  Ball( int x0,int y0,int r0){

    x = x0;

    y = y0;

    r = r0;

    vx = random(-10,+10);

    vy = random(-10,+10);

  }

  boolean checkCollision(Ball other){

    if( dist(x,y,other.x,other.y)<r+other.r) return true;

    else return false;

  }

  void update(){

    if(x+vx>640 || x+vx<0) vx = -vx;

    if(y+vy<0 || y+vy>360) vy = -vy;

    x += vx;

    y += vy;

  }

  void display(){

    ellipse(x,y,r+r,r+r);

  }

}

4.

 void setup(){

  size(640,360);

}

Ball ball = new Ball(100,200,20);

Ball ball2 = new Ball(300,200,60);

void draw(){

  background(#C0EBD7);

  if(ball.checkCollision (ball2)) fill(#F98D74);

  else fill(255);

  ball.update();

  ball.display();

  ball2.update();

  ball2.display();

}

// 把class Ball 移到右邊的Ball 分頁

class Ball{

  float x,y,r;

  float vx,vy;

  Ball( int x0,int y0,int r0){

    x = x0;

    y = y0;

    r = r0;

    vx = random(-10,+10);

    vy = random(-10,+10);

  }

  boolean checkCollision(Ball other){

    if( dist(x,y,other.x,other.y)<r+other.r){

      PVector diff = new PVector(other.x-x,other.y-y);

      float len = diff.mag();

      float a = diff.heading();

      PVector N = diff.copy().normalize();

      N.mult(N.dot(new PVector(vx,vy)));

      PVector N2 = new PVector(-N.y,N.x).normalize();

      N2.mult(N2.dot(new PVector(vx,vy)));

      PVector M = diff.copy().normalize();

      M.mult(M.dot(new PVector(other.vx,other.vy)));

      PVector M2 = new PVector(-M.y,M.x).normalize();

      M2.mult(M2.dot(new PVector(other.vx,other.vy)));

      PVector newV1 = PVector.add(M,N2);

      PVector newV2 = PVector.add(N,M2);

      vx = newV1.x;

      vy = newV1.y;

      other.vx = newV2.x;

      other.vy = newV2.y;

      return true;

    }

    else return false;

  }

  void update(){

    if(x+vx>640 || x+vx<0) vx = -vx;

    if(y+vy<0 || y+vy>360) vy = -vy;

    x += vx;

    y += vy;

  }

  void display(){

    ellipse(x,y,r+r,r+r);

  }

}

5. 

int [][] maze = {

  {1,1,1,1,1,1,1,1,1,1},

  {1,0,0,0,1,1,0,0,1,1},

  {1,1,1,0,0,0,1,1,1,0},

  {1,0,0,1,1,0,0,0,0,1},

  {0,0,0,1,1,1,1,0,1,1},

  {1,1,1,0,0,0,0,0,1,1},

  {1,0,0,0,1,1,1,1,1,1},

  {1,1,0,0,0,0,0,0,1,1},

  {1,1,1,1,1,1,0,0,0,1},

  {1,1,1,1,1,1,1,1,1,1},

};

void setup(){

  size(400,400);

}

void draw(){

  for(int i=0;i<maze.length;i++){

    for(int j=0;j<maze[0].length;j++){

      if(maze[i][j]==1) fill(0);

      else fill(255);

      rect(j*40,i*40,40,40);

    }

  }

}

6.

 int [][] maze = {

  {1,1,1,1,1,1,1,1,1,1},

  {1,0,0,0,1,1,0,0,1,1},

  {1,1,1,0,0,0,1,1,1,1},

  {1,0,0,1,1,0,0,0,0,1},

  {1,0,0,1,1,1,1,0,1,1},

  {1,1,1,0,0,0,0,0,1,1},

  {1,0,0,0,1,1,1,1,1,1},

  {1,1,0,0,0,0,0,0,1,1},

  {1,1,1,1,1,1,0,0,0,1},

  {1,1,1,1,1,1,1,1,1,1},

};

int [][] visited = new int[10][10];

int startI = 1,startJ = 1,I = 1,J = 1,step = 1;

void setup(){

  size(400,400);

  visited[I][J] = step;

}

void draw(){

  for(int i=0;i<maze.length;i++){

    for(int j=0;j<maze[0].length;j++){

      if(maze[i][j]==1) fill(#C0EBD7);

      else fill(#F98D74);

      rect(j*40,i*40,40,40);

    }

  }

  fill(0,255,0);

  rect(startJ*40,startI*40,40,40);

}

7.

 int [][] maze = {

  {1,1,1,1,1,1,1,1,1,1},

  {1,0,0,0,1,1,0,0,1,1},

  {1,1,1,0,0,0,1,1,1,0},

  {1,0,0,1,1,0,0,0,0,1},

  {0,0,0,1,1,1,1,0,1,1},

  {1,1,1,0,0,0,0,0,1,1},

  {1,0,0,0,1,1,1,1,1,1},

  {1,1,0,0,0,0,0,0,1,1},

  {1,1,1,1,1,1,0,0,0,1},

  {1,1,1,1,1,1,1,1,1,1},

};

int [][] visited = new int[10][10];

int startI = 1,startJ = 1,I = 1,J = 1,step = 1;

void setup(){

  size(400,400);

  visited[I][J] = step;

}

void draw(){

  for(int i=0;i<maze.length;i++){

    for(int j=0;j<maze[0].length;j++){

      if(maze[i][j]==1) fill(#C0EBD7);

      else fill(#F98D74);

      rect(j*40,i*40,40,40);

    }

  }

  fill(0,255,0);

  rect(startJ*40,startI*40,40,40);

  for(int i=0;i<maze.length;i++){

    for(int j=0;j<maze[0].length;j++){

      if(visited[i][j]>0){

        fill(10,255,10);

        text(""+visited[i][j],j*40+20,i*40+20);

      }

    }

  }

}

void mousePressed(){

  if(maze[I+1][J]==0){

    I += 1;

    visited[I][J] = ++step;

  }

  else if(maze[I][J+1]==0){

    J += 1;

    visited[I][J] = ++step;

  }

}

8.

 int [][] maze = {

  {1,1,1,1,1,1,1,1,1,1},

  {1,0,0,0,1,1,0,0,1,1},

  {1,1,1,0,0,0,1,1,1,1},

  {1,0,0,1,1,0,0,0,0,1},

  {1,0,0,1,1,1,1,0,1,1},

  {1,1,1,0,0,0,0,0,1,1},

  {1,0,0,0,1,1,1,1,1,1},

  {1,1,0,0,0,0,0,0,1,1},

  {1,1,1,1,1,1,0,0,0,1},

  {1,1,1,1,1,1,1,1,1,1},

};

int [][] visited = new int[10][10];

int startI = 1,startJ = 1,I = 1,J = 1,step = 1;

void setup(){

  size(400,400);

  visited[I][J] = step;

}

void draw(){

  for(int i=0;i<maze.length;i++){

    for(int j=0;j<maze[0].length;j++){

      if(maze[i][j]==1) fill(#C0EBD7);

      else fill(#F98D74);

      rect(j*40,i*40,40,40);

    }

  }

  fill(0,255,0);

  rect(startJ*40,startI*40,40,40);

  for(int i=0;i<maze.length;i++){

    for(int j=0;j<maze[0].length;j++){

      if(visited[i][j]>0){

        fill(10,255,10);

        text(""+visited[i][j],j*40+20,i*40+20);

      }

    }

  }

}

boolean DFS(int i,int j,int s){

  if(i==8 && j==8) return true;

  if(maze[i][j]==1) return false;

  if(visited[i][j]>0) return false;

  visited[i][j] = s;

  if(DFS(i+1,j,s+1)) return true;

  if(DFS(i-1,j,s+1)) return true;

  if(DFS(i,j+1,s+1)) return true;

  if(DFS(i,j-1,s+1)) return true;

  visited[i][j] = 0;

  return false;

}

void mousePressed(){

  visited[1][1] = 0;

  DFS(1,1,1);

}