神奇的伸縮線

程式碼

void setup(){

  size(300,300);

}

float x=200,y=150;

void draw(){

  background(#002966);

  stroke(#b7efff);

  line(100,150,x,y);

  fill(#b7efff);

  noStroke();

  ellipse(100,150,13,13);

  ellipse(x,y,13,13);

  if(!mousePressed){

    float dx=x-100,dy=y-150;

    float len=sqrt(dx*dx+dy*dy);

    x -= dx*(len-100)/len*0.1;

    y -= dy*(len-100)/len*0.1;

  }

}

void mouseDragged(){

  x = mouseX;  y = mouseY;

}

拉著這隻鳥後他就會彈來彈去的，彷彿真實版的angry bird

鳥會一直黏在滑鼠上

程式碼

void setup(){

  size(500,400);

  imgBird=loadImage("bird.png");

  imageMode(CENTER);

}

void draw(){

  background(255);

  image(imgBird, mouseX,mouseY,100,100);

}

不再黏在我的滑鼠上了

程式碼

PImage imgBird;

void setup(){

  size(500,400);

  imgBird=loadImage("bird.png");

  imageMode(CENTER);

}

float birdX=100,birdY=300,oldX,oldY;

void draw(){

  background(255);

  image(imgBird, birdX,birdY,100,100);

  if(mousePressed)line(birdX,birdY,oldX,oldY);    

}

void mousePressed(){

  oldX=birdX;oldY=birdY;

}

void mouseDragged(){

  birdX=mouseX;birdY=mouseY;

}

數字排列~~~

程式碼

int []a=new int[10];//Java's Array

//int []a={6,3,5,9,1,0,4,2,7,8};

//int []a={1,2,3,5,0,4,6,7,8,9};

//int []a={9,8,7,6,5,4,3,2,1,0};

void setup(){

  size(500,800);

  for(int i=0;i<10;i++){//random choose number

    a[i]=int(random(10));//亂數決定數字

  }

  textSize(36);

  textAlign(LEFT,TOP);

  showArray(y);

}

int y=0;

void showArray(int y){

  for(int i=0;i<10;i++){

    fill(255);  rect(i*50, y, 50,50);

    fill(0);         text(a[i], i*50, y);

  }  

}

void draw(){

  

}

void mousePressed(){

  for(int i=0; i<10-1;i++){

    if(a[i] > a[i+1]){

      int temp=a[i];

      a[i]=a[i+1];

      a[i+1]=temp;

      fill(255,0,0,128); rect(i*50, y, 100,50);

    }

  }

  y+=50;

  showArray(y);

}

程式碼

void setup(){

  size(300,500);

}

int N=5;

void draw(){

  background(0);

  int R=300/N, w=R/2;

  for(int x=0;x<N;x++){

    for(int y=0;y<N;y++){

      ellipse(0+w+x*R, 200+w+y*R,R,R);

    }

  }

} 

第9週  08160643

程式碼

}

int [][]bean={

  {1,1,1,1,1,1,1,1},

  {1,1,1,1,1,1,1,1},

  {1,0,1,1,1,1,1,1},

  {1,1,1,1,1,1,1,1},

  {1,1,1,1,1,1,1,1},

  {1,1,1,1,1,1,1,1}};

int x=50,y=50,a=45,da=1;

void draw(){

  background(0);

  fill(#F5ED02);

  for(int i=0;i<6;i++){

    for(int j=0;j<8;j++){

      if(bean[i][j]==1)ellipse( j*100+50, i*100+50,6,6);

      if( dist(x,y, j*100+50, i*100+50)<50 ) bean[i][j]=0;

    }

  }

  arc(x,y,100,100,radians(a),radians(360-a),PIE);

  x++;

  a+= da;

  if(a>60) da=-1;

  if(a<=0) da=+1;

}

week03