12750653-week05

 //week05-1-iluvu

size(300,300);//大小300*300
stroke(255,0,0);//紅色的線條
for(int xx=0;xx<300;xx++){//大x 0...300
  for(int yy=0;yy<300;yy++){//大y 0...300
    float x=(xx-150)/100.0;//減一半 除100
    float y=-(yy-150)/100.0;
    //0...300變-150..+150變-1.5~+1.5
    float d=x*x+y*y-1;
    if(d*d*d-x*x*y*y*y<0) point(xx,yy);
  }
}
//week05-1b-iluvu
size(300,300);//大小300*300
stroke(255,0,0);//紅色的線條
translate(width/2,height/2);
for(int xx=-150;xx<150;xx++){//大x 0...300
  for(int yy=-150;yy<150;yy++){//大y 0...300
    float x=xx/100.0;//減一半 除100
    float y=-yy/100.0;
    //0...300變-150..+150變-1.5~+1.5
    float d=x*x+y*y-1;
    if(d*d*d-x*x*y*y*y<0) point(xx,yy);
  }
}
//week05-2
//角度degrees vs. radians
size(600,600);
background(0);
for(int i=0;i<6;i++){
  for(int j=0;j<6;j++){
    int now=i*6+j;
    ellipse(50+j*100,50+i*100,80,80);
    arc(50+j*100,50+i*100,60,60,0,now,PIE);
    arc(50+j*100,50+i*100,40,40,0,radians(now*10),PIE);
    text(now,j*100,i*100+30);
  }
}
//week05-3 degree vs radians 結合week04-1和week05-2
void setup(){
  size(400,400);
}
void draw(){
  background(128);
  line(200,200,400,200);
  line(200,200,mouseX,mouseY);
  float dx=mouseX-200,dy=mouseY-200;
  float a=atan2(dy,dx);
  arc(200,200,200,200,0,a,PIE);
  textSize(30);
  text("radians:"+a,100,100);
  text("degrees:"+degrees(a),100,130);
}
//week05-3b degree vs radians 結合week04-1和week05-2
void setup(){
  size(400,400);
}
void draw(){
  background(128);
  line(200,200,400,200);
  line(200,200,mouseX,mouseY);
  float dx=mouseX-200,dy=mouseY-200;
  float a=atan2(dy,dx);
  if(a<0) arc(200,200,200,200,a,0,PIE);
  else arc(200,200,200,200,0,a,PIE);
  textSize(30);
  text("radians:"+a,100,100);
  text("degrees:"+degrees(a),100,130);
}
//week05-4
void setup(){
  size(400,400);
}
void draw(){
  background(204);
  translate(mouseX,mouseY);
  rotate(radians(frameCount)*10);
  rect(-50,-5,100,10);
}

//week05-5
void setup(){
  size(400,400);
}
void draw(){
  background(204);
  rotate(radians(frameCount)*10);
  translate(mouseX,mouseY);
  rect(-50,-5,100,10);
}

//week05-6
void setup(){
  size(400,400);
}
void draw(){
  background(204);
  pushMatrix();
  translate(width/2,height/2);
  rotate(radians(frameCount)*10);
  rect(-50,-5,100,10);
  popMatrix();
  pushMatrix();
  translate(width/2-100,height/2);
  rotate(radians(frameCount)*10);
  rect(-50,-5,100,10);
  popMatrix();
}
//week05-7
void setup(){
  size(500,500);
}
void draw(){
  background(204);
  for(int x=50;x<500;x+=100){
    for(int y=50;y<500;y+=100){
      pushMatrix();
        translate(x,y);
        rotate(radians(frameCount));
        rect(-50,-5,100,10);
      popMatrix();
    }
  }
}