12750653-week04

 //week04-1-atan

void setup(){

  size(600,300);

}

void draw(){

  background(#C0FFEE);

  ellipse(150,150,100,100);

  //ellipse(150+25,150,50,50);

  float dx=mouseX-150,dy=mouseY-150;

  float a=atan2(dy,dx);

  ellipse(150+cos(a)*25,150+sin(a)*25,50,50);

}

//week04-2-atan

void setup(){

  size(600,300);

}

void draw(){

  background(#C0FFEE);

  for(int x=150;x<=450;x+=300){

    ellipse(x,150,100,100);

    //ellipse(150+25,150,50,50);

    float dx=mouseX-x,dy=mouseY-150;

    float a=atan2(dy,dx);

    ellipse(x+cos(a)*25,150+sin(a)*25,50,50);

  }

}

//week04-3

void setup(){

  size(400,400,P3D);

}

void draw(){

  background(128);

  translate(width/2,height/2);

  rotateX(radians(-mouseY));

  box(200);

}

//week04-4

void setup(){

  size(400,400,P3D);

}

void draw(){

  background(128);

  translate(width/2,height/2);

  rotateX(radians(mouseX));

  ellipse(0,0,100,150);

}

//week04-5-robot-arm

void setup(){

  size(400,400,P3D);

}

void draw(){

  background(128);

  translate(width/2,height/2);

  pushMatrix();

    translate(0,100);

    box(50);//台座

    pushMatrix();

      translate(0,-25);

      rotateZ(radians(mouseX));

      translate(0,-50);

      box(10,100,10);

    popMatrix();

  popMatrix();

}

//week04_05a_rotateZ_translate_box
void setup(){
  size(400,400,P3D);
}
void draw(){
  background(128);
  //translate(width/2,height/2);//移到畫面中心
   //以下兩行分別註解,排列組合觀察
   translate(mouseX,mouseY);
   rotateZ(radians(frameCount)); //對Z軸旋轉
   translate(0,-50); //把下端移到中心
      box(10,100,10);//可轉動的長條
}

//week04_05b_rotateZ_translate_box
void setup(){
  size(400,400,P3D);
}
void draw(){
  background(128);
  //translate(width/2,height/2);//移到畫面中心
   //以下兩行分別註解,排列組合觀察
   translate(mouseX,mouseY);
   rotateZ(radians(frameCount)); //對Z軸旋轉
   translate(0,-50); //把下端移到中心
      box(10,100,10);//可轉動的長條
}

//week04-6
void setup(){
  size(400,400,P3D);
}
void draw(){
  background(128);
  pushMatrix();
    translate(mouseX,mouseY);
    rotateY(radians(frameCount));
    sphere(100);
  popMatrix();
}

//week04-7-sun
void setup(){
  size(400,400,P3D);
}
void draw(){
  background(128);
  translate(width/2,height/2);
  sphere(50);
  rotateY(radians(frameCount));
  pushMatrix();
    translate(150,0);
    rotateY(radians(frameCount));
    sphere(30);
  popMatrix();
}

//week04-8-sun
void setup-(){

  size(400,400,P3D);
}
void draw(){
  background(128);
  translate(width/2,height/2);
  sphere(50);
  rotateY(radians(frameCount));
  pushMatrix();
    translate(150,0);
    rotateY(radians(frameCount));
    sphere(30);
    pushMatrix();
      translate(50,0);
      rotateY(radians(frameCount));
      sphere(10);
    popMatrix();
  popMatrix();
}

//week04-9-earth
//google:earth map texture 下載一張地球的地圖
//把圖檔拉到城市裡面
PImage img=loadImage("earth.jpg");
size(600,300);
image(img,0,0,600,300);

//week04-10-earth
size(400,400,P3D);
PShape earth=createShape(SPHERE,100);
PImage img=loadImage("earth.jpg");
earth.setTexture(img);
shape(earth);