12750094_week04

//week04_01_atan2_dy_dx_cos_sin
void setup()
{
  size(600,300);
}
void draw(){
  background(#C0FFEE);
  ellipse(150,150,100,100);//大眼睛
  //ellipse(150+25,150,50,50);
  float dx = mouseX-150,dy = mouseY-150;
  float a = atan2(dy,dx);//算出角度
  ellipse(150+cos(a)*25,150+sin(a)*25,50,50);
}

//week04_02_atan2_for_x_dx_dy_cos_sin
void setup()
{
  size(600,300);
}
void draw(){
  background(#C0FFEE);
  for(int x=150;x<=450;x+=300)
  {
    ellipse(x,150,100,100);//大眼睛
    //ellipse(150+25,150,50,50);
    float dx = mouseX-x,dy = mouseY-150;
    float a = atan2(dy,dx);//算出角度
    ellipse(x+cos(a)*25,150+sin(a)*25,50,50);
  }
  
}

//week04_03_rotateX_radians_mouseY
void setup()
{
  size(400,400,P3D);
}
void draw()
{
  background(128);
  translate(width/2,height/2);
  //rotateY(radians(mouseX));//上週的左右轉
  rotateX(radians(-mouseY));//這週的上下轉
  box(200);
}
//week04_04_rotateZ
void setup()
{
  size(400,400,P3D);
}
void draw()
{
  background(128);
  translate(width/2,height/2);
  rotateZ(radians(mouseX));//Z軸轉動
  ellipse(0,0,100,150);
}
//week04_05_robot_arm_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_05a_rotateZ_translate_box
void setup()
{
  size(400,400,P3D);
}
void draw()
{
  background(128);
  translate(width/2,height/2);
  //以下兩行分別註解、排列組合觀察
  rotateZ(radians(mouseX));//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_translate_mouseX_mouseY_rotateZ_translate_box
void setup()
{
  size(400,400,P3D);
}
void draw()
{
  background(128);
  //translate(width/2,height/2);
  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_06_push_translate_rorate_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);//月球
    popMatrix();
  popMatrix();
  
}

//week04_09earth_texture_image
//將圖檔拉入程式中
PImage img = loadImage("earth.jpg");
size(600,300);
image(img,0,0,600,300);

//week04_10_earth_createShape_setTexture_shape
//將圖檔拉入程式中
size(400,400,P3D);
PShape earth = createShape(SPHERE,100);
PImage img = loadImage("earth.jpg");
earth.setTexture(img);
shape(earth);

//week04_11_earth_setTexture_translate_rotateY
PShape earth;

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_rotateY
PShape moon;

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_rotateY
PShape sun;

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;
//下面剪貼自week04_08
void setup()
{
  size(400,400,P3D);
  earth = createShape(SPHERE,30);
  PImage img = loadImage("earth.jpg");
  earth.setTexture(img);
  
  sun = createShape(SPHERE,50);
  img = loadImage("sun.jpg");
  sun.setTexture(img);
  
  moon = createShape(SPHERE,10);
  img = loadImage("moon.jpg");
  moon.setTexture(img);
}
void draw()
{
  background(128);
  translate(width/2,height/2);
  shape(sun);//太陽
  rotateY(radians(frameCount));
  pushMatrix();
    translate(150,0);
    rotateY(radians(frameCount));
    shape(earth);//地球
    pushMatrix();
      translate(50,0);
      rotateY(radians(frameCount));
      shape(moon);//月球
    popMatrix();
  popMatrix();
  
}