Processing 闪烁的圆 动画效果

打开Processing,Ctrl+R运行.

 

运行效果 : 

 

class myRect {
  float x,y;
  float r,a;//banjing  secai bianhua 
  myRect(float x, float y, float r,float a) {
    this.x = x;
    this.y = y;
    this.r = r;
    this.a = a;
  }
  void chang(){
    this.a += 0.02;
  }  
  void display() {
    stroke(255);
    fill(120-120*cos(a), 20 + 20 * tan(a), 255 + 255*sin(a));
    circle(x,y,r);
  }
  
  
  void display2() {
    stroke(255);
    fill(127+127*sin(a));
    circle(x,y,r);
  }
  
}

myRect [][]d;
int n=10,m=10;

void setup() {
  size(240, 240);
  d = new myRect[n][m];
  for(int i = 0; i<n; i++) {
    for(int j = 0; j<m; j++) {
      d[i][j] = new myRect((i+1)*20,(j+1)*20,20,(i+1)+(j+1));
    }
  }
}
int value=0,aa=0,bb=0;
void mouseClicked() {
  if(value == 0) {
    value = 1;
  }else {
    value=0;
  }
}
void draw() {
  background(0);
  for(int i = aa; i<n; i++) {
    for(int j = bb; j<m; j++) {
      d[i][j].chang();
      if(value == 1)
      d[i][j].display();
      else 
      d[i][j].display2();
    }
  }
}