12751100 week04

 week04-01_atan_atan2_dy_dx_cos_sin

//week04-01_atan_atan2_dy_dx_cos_sin

void setup(){

    size(600,300);

}

void draw(){

  background(#COFFEE);

  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);

}

//week04-02_atan_atan2_for_x_dy_dx_cos_sin

void setup(){

  size(600,300);

}

void draw(){

  background(#COFFEE);

  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-rotate-radians-mouseY

void setup(){

  size(400,400,P3D);

}

void draw(){

  background(128);

  translate(width/2, height/2);

  //rotateY(radians(mouseX));//上周的左右轉

  rotateX(radians(-mouseY));//本周的上下轉

  box(200);

}

week04-04-rotateZ

void setup(){

  size(400,400,P3D);

}

void draw(){

  background(128);

  translate(width/2, height/2);

  rotateZ(radians(mouseY));

  ellipse(0,0,100,150);

}

week04-05-robot-arm-

void setup(){

  size(400,400,P3D);

}

void draw(){

  background(128);

  translate(width/2, height/2);

  pushMatrix();

    translate(0, 100);

    box(50);

    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2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);//可旋轉長條

}

//week04-05b-translate-mouseX-mouseY-rotateZ-

void setup(){

  size(400, 400, P3D);

}

void draw(){

  background(128);

  //translate(width/2, height/2);//移到畫面中心

  

      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);//可旋轉長條

}

//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);//太陽

   rotateY(radians(frameCount));

   pushMatrix();

     translate(150, 0);

     rotateY(radians(frameCount));

     sphere(30);//地球

   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();

}

//week04-09-earth-texture-image

//google 下載一張地球的圖片

//把圖檔拉到程式裏面

PImage img = loadImage("earth.jpg");

size(600, 300);

image(img, 0, 0, 600, 300);

//week04-10-earth-

//google: processing sphere texture 可找到程式

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;

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;

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;

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;

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);

   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();

}