Weeeeeeeeㄎ壞

1. xeyes
眼珠會跟著滑鼠指標移動!



void setup(){
size(800,800);
}
void draw(){
  background(128);
  strokeWeight(20);
  ellipse(100,200,180,360);
  ellipse(300,200,180,360);
 
  float angel1=atan2((mouseY-200)/2,mouseX-300);
  float newX1=300+100*cos(angel1)/2;
  float newY1=200+200*sin(angel1)/2;
  ellipse(newX1,newY1,10,10);
  float angel2=atan2((mouseY-200)/2,mouseX-100);
  float newX2=100+100*cos(angel1)/2;
  float newY2=200+200*sin(angel1)/2;
  ellipse(newX2,newY2,10,10);
}

2. 砲砲彈


void setup(){
size(400,800);

}
float [] ballX=new float[10];
float [] ballY=new float[10];
float [] ballVX=new float[10];
float []ballVY=new float [10];
float [] angle=new float[10];
int now=0;
//float ballX=200,ballY=600;
//float ballVX=0,ballVY=0;
//float angle=0;
void draw(){
  background(0,128,0);
  fill(#981C1C);ellipse(200,600,100,100);
  for(int i=0;i<10;i++){
    fill(#FA7777);ellipse(ballX[i],ballY[i],30,30);
    ballX[i]+=ballVX[i];
  ballY[i]+=ballVY[i];
  }
  //line(mouseX,mouseY,200,600);
  //fill(#FA7777);ellipse(ballX,ballY,30,30);
  angle[now]=atan2(mouseY-600,mouseY-200);
 
  //ballX+=ballVX;
  //ballY+=ballVY;
}
void mouseMoved(){
 
  ballX[now]=200+50*cos(angle[now]);
  ballY[now]=600+50*sin(angle[now]);
}
void mousePressed(){
  ballVX[now]=cos(angle[now]);
  ballVY[now]=sin(angle[now]);
  now++;
}