12750794 week04

 //week04_01_atan2_dy_dx_cos_sin

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)*55,150+sin(a)*25,50,50);

}


//week04-02_atan_atan2_for_x_dy_dx_cos_sin
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);
  }
}


//week04-03_rorate_radians_mouseY
void setup(){
  size(400,400,P3D);
}
void draw(){
  background(128);
  translate(width/2,height/2);
  //rorateY(radians(mouseX));//上周的左右轉
  rotateX(radians(-mouseY));//
  box(200);
}


//week04_04_rotateZ
void setup(){
  size(400,400,P3D);
}
void draw(){
   background(128);
   translate(width/2,height/2);
   rotateZ(radians(mouseX));
   ellipse(0,0,100,150);
}


//week04_05_RobotArm_pushMatrix_T_R_T_box_popMatrix
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();
}



//week04-5a_rotateZ_translate_box
void setup(){
  size(400,400,P3D);
}
void draw(){
  background(128);
  translate(width/2, height/2);//移動到畫面中心
  
  //以下2行，分別註解、排列組合觀察
  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
}


//week04-5b_translate_mouseX-mouseY_rotateZ_translate_box
void setup(){
  size(400,400,P3D);
}
void draw(){
  background(128);
  //translate(width/2, height/2);//移動到畫面中心
  
  translate(mouseX,mouseY);//加這行
  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_06_push_translate_rotate_sphere_pop
void setup(){
size(400,400,P3D);
}
void draw(){
  background(128);
  pushMatrix();
    translate(mouseX,mouseY);
    rotateY(radians(frameCount));
    sphere(100);
   popMatrix();
}


//week04-07_sun_earth
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();
}


//week04-08_sun_earth_moon
void setup(){
size(400,400,P3D);
}
void draw(){
  background(128);
  translate(width/2,height/2);
  sphere(50);//太陽
  rotateY(radians(frameCount));
  pushMatrix();
    translate(150,0);
    rotateY(radians(frameCount));
    sphere(30);//地球
   pushMatrix();
     translate(50,0);
     rotateY(radians(frameCount));
     sphere(10);//月亮
    popMatrix();
   popMatrix();
}


//week04-09_earth_texture_image
//把圖檔拉進來
PImage img = loadImage("earth.jpg");
size(600,300);
image(img,0,0,600,300);




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



//week04-11_earth_setTexture_translate_rotate
PShape earth;
PImage img;
void setup(){
  size(400,400,P3D);
  earth = createShape(SPHERE,100);
  PImage img = loadImage("earth.jpg");
  earth.setTexture(img);
}
void draw(){
  background(0);
  translate(width/2,height/2);
  rotateY(radians(frameCount));
  shape(earth);
}



//week04-12_moon_setTexture_translate_rotate
PShape moon;
PImage img;
void setup(){
  size(400,400,P3D);
  moon = createShape(SPHERE,100);
  PImage img = loadImage("moon.jpg");
  moon.setTexture(img);
}
void draw(){
  background(0);
  translate(width/2,height/2);
  rotateY(radians(frameCount));
  shape(moon);
}



//week04-13_sun_setTexture_translate_rotate
PShape sun;
PImage img;
void setup(){
  size(400,400,P3D);
  sun = createShape(SPHERE,100);
  PImage img = loadImage("sun.jpg");
  sun.setTexture(img);
}
void draw(){
  background(0);
  translate(width/2,height/2);
  rotateY(radians(frameCount));
  shape(sun);
}






//week04-14_sun_earth_moon_setTexture
PShape sun,earth,moon;
//樓下是剪貼自week04-08，樓下是week04-11,12,13
void setup(){
size(400,400,P3D);
  sun = createShape(SPHERE,50);
  PImage img = loadImage("sun.jpg");
  sun.setTexture(img);
  
  earth = createShape(SPHERE,30);
  img = loadImage("earth.jpg");
  earth.setTexture(img);
  
  moon = createShape(SPHERE,10);
  img = loadImage("moon.jpg");
  moon.setTexture(img);
}
void draw(){
  background(128);
  translate(width/2,height/2);
  shape(sun);
  rotateY(radians(frameCount));
  pushMatrix();
    translate(150,0);
    rotateY(radians(frameCount));
    shape(earth);
   pushMatrix();
     translate(50,0);
     rotateY(radians(frameCount));
     shape(moon);
    popMatrix();
   popMatrix();
}