2025年5月29日 星期四

week15

 week15

// week15-1_mulitple_windows

//file> Example >Demos> Tests > MutipleWindows

void setup(){

  size(300, 200);// 小的第1個視窗

  background(255, 0, 0);

  WindowB child = new WindowB();

}

void draw(){ //空白的,要放


}

//以下會獨立執行

class WindowB extends PApplet{

  public WindowB(){ // 建構子 constructor

    super(); // 呼叫上一層 建構子

    PApplet.runSketch(new String[]{this.getClass().getName()}, this);

  }

  public void settings(){

    size(300, 200);

  }

  public void setup(){

    //size(200, 200);

    background(0, 255, 0);

  }

  public void draw(){

  

  }

}


// week15-2_mulitple_window_PGraphics
PGraphics pg; // 在外面宣告,不同人都可以用
void setup(){
  size(400, 400, P3D);// 主要視窗
  pg= createGraphics(200, 200, P3D); //有一個小的
  
}
void draw(){
  background(255, 0, 0); //紅色大背景
  pg.beginDraw();
  pg.background(0, 255, 0); //綠色小背景
  pg.translate(100, 100);
  pg.rotateY(radians(frameCount));
  pg.box(100);
  pg.endDraw();
  
  image(pg, 0, 0);
}

// week15-3_mulitple_window_pg_pg2_pg3_pg4
PGraphics pg,pg2,pg3,pg4; // 在外面宣告,不同人都可以用
void setup(){
  size(400, 400, P3D);// 主要視窗
  pg= createGraphics(200, 200, P3D); //有一個小的
  pg2= createGraphics(200, 200, P3D); //有一個小的
  pg3= createGraphics(200, 200, P3D); //有一個小的
  pg4= createGraphics(200, 200, P3D); //有一個小的
  
}
void draw(){
  background(255, 0, 0); //紅色大背景
  pg.beginDraw();
  pg.background(0, 255, 0); //綠色小背景
  pg.translate(100, 100);
  pg.rotateY(radians(frameCount));
  pg.box(100);
  pg.endDraw();
  
  pg2.beginDraw();
  pg2.background(255, 255, 0); //黃色小背景
  pg2.translate(100, 100);
  pg2.rotateY(radians(frameCount));
  pg2.box(100);
  pg2.endDraw();
  
  pg3.beginDraw();
  pg3.background(255, 0, 0); //紅色小背景
  pg3.translate(100, 100);
  pg3.rotateY(radians(frameCount));
  pg3.box(100);
  pg3.endDraw();
  
  pg4.beginDraw();
  pg4.background(255, 0, 255); //紫色小背景
  pg4.translate(100, 100);
  pg4.rotateY(radians(frameCount));
  pg4.box(100);
  pg4.endDraw();
  
  image(pg, 0, 0);
  image(pg2, 200, 0);
  image(pg3, 0, 200);
  image(pg4, 200, 200);
}

// week15-4_Arcball_rotation_PGgraphics_pg
// 修改自week15-3_mulitple_window_pg_pg2_pg3_pg4
//偷Arcball
PGraphics pg,pg2,pg3,pg4; // 在外面宣告,不同人都可以用
Arcball arcball;
void setup(){
  size(400, 400, P3D);// 主要視窗
  arcball = new Arcball(this, 200);
  pg= createGraphics(200, 200, P3D); //有一個小的
  pg2= createGraphics(200, 200, P3D); //有一個小的
  pg3= createGraphics(200, 200, P3D); //有一個小的
  pg4= createGraphics(200, 200, P3D); //有一個小的
  
}
void mousePressed(){
  arcball.mousePressed();
}
void mouseDragged(){
  arcball.mouseDragged();
}
void draw(){
  background(255, 0, 0); //紅色大背景
  pg.beginDraw();
  pg.background(0, 255, 0); //綠色小背景
  arcball.run();
  //pg.translate(100, 100);
  //pg.rotateY(radians(frameCount));
  pg.box(100);
  pg.endDraw();
  
  pg2.beginDraw();
  pg2.background(255, 255, 0); //黃色小背景
  pg2.translate(100, 100);
  pg2.rotateY(radians(frameCount));
  pg2.box(100);
  pg2.endDraw();
  
  pg3.beginDraw();
  pg3.background(255, 0, 0); //紅色小背景
  pg3.translate(100, 100);
  pg3.rotateY(radians(frameCount));
  pg3.box(100);
  pg3.endDraw();
  
  pg4.beginDraw();
  pg4.background(255, 0, 255); //紫色小背景
  pg4.translate(100, 100);
  pg4.rotateY(radians(frameCount));
  pg4.box(100);
  pg4.endDraw();
  
  image(pg, 0, 0);
  image(pg2, 200, 0);
  image(pg3, 0, 200);
  image(pg4, 200, 200);
}

//Arcball
// Ariel and V3ga's arcball class with a couple tiny mods by Robert Hodgin

class Arcball {
  PApplet parent;
  float center_x, center_y, radius;
  Vec3 v_down, v_drag;
  Quat q_now, q_down, q_drag;
  Vec3[] axisSet;
  int axis;
  float mxv, myv;
  float x, y;
  
  Arcball(PApplet parent, float radius){
    this.parent = parent;
    this.radius = radius;

    v_down = new Vec3();
    v_drag = new Vec3();

    q_now = new Quat();
    q_down = new Quat();
    q_drag = new Quat();

    axisSet = new Vec3[] {new Vec3(1.0f, 0.0f, 0.0f), new Vec3(0.0f, 1.0f, 0.0f), new Vec3(0.0f, 0.0f, 1.0f)};
    axis = -1;  // no constraints...    
  }

  void mousePressed(){
    v_down = mouse_to_sphere(parent.mouseX, parent.mouseY);
    q_down.set(q_now);
    q_drag.reset();
  }

  void mouseDragged(){
    v_drag = mouse_to_sphere(parent.mouseX, parent.mouseY);
    q_drag.set(Vec3.dot(v_down, v_drag), Vec3.cross(v_down, v_drag));
  }

  void run(){
    center_x = 100;
    center_y = 100;
    
    q_now = Quat.mul(q_drag, q_down);
    pg.translate(center_x, center_y);
    applyQuat2Matrix(q_now);
    
    x += mxv;
    y += myv;
    mxv -= mxv * .01;
    myv -= myv * .01;
  }
  
  Vec3 mouse_to_sphere(float x, float y){
    Vec3 v = new Vec3();
    v.x = (x - center_x) / radius;
    v.y = (y - center_y) / radius;

    float mag = v.x * v.x + v.y * v.y;
    if (mag > 1.0f){
      v.normalize();
    } else {
      v.z = sqrt(1.0f - mag);
    }

    return (axis == -1) ? v : constrain_vector(v, axisSet[axis]);
  }

  Vec3 constrain_vector(Vec3 vector, Vec3 axis){
    Vec3 res = new Vec3();
    res.sub(vector, Vec3.mul(axis, Vec3.dot(axis, vector)));
    res.normalize();
    return res;
  }

  void applyQuat2Matrix(Quat q){
    // instead of transforming q into a matrix and applying it...

    float[] aa = q.getValue();
    pg.rotate(aa[0], aa[1], aa[2], aa[3]);
  }
}

static class Vec3{
  float x, y, z;

  Vec3(){
  }

  Vec3(float x, float y, float z){
    this.x = x;
    this.y = y;
    this.z = z;
  }

  void normalize(){
    float length = length();
    x /= length;
    y /= length;
    z /= length;
  }

  float length(){
    return (float) Math.sqrt(x * x + y * y + z * z);
  }

  static Vec3 cross(Vec3 v1, Vec3 v2){
    Vec3 res = new Vec3();
    res.x = v1.y * v2.z - v1.z * v2.y;
    res.y = v1.z * v2.x - v1.x * v2.z;
    res.z = v1.x * v2.y - v1.y * v2.x;
    return res;
  }

  static float dot(Vec3 v1, Vec3 v2){
    return v1.x * v2.x + v1.y * v2.y + v1.z * v2.z;
  }
  
  static Vec3 mul(Vec3 v, float d){
    Vec3 res = new Vec3();
    res.x = v.x * d;
    res.y = v.y * d;
    res.z = v.z * d;
    return res;
  }

  void sub(Vec3 v1, Vec3 v2){
    x = v1.x - v2.x;
    y = v1.y - v2.y;
    z = v1.z - v2.z;
  }
}

static class Quat{
  float w, x, y, z;

  Quat(){
    reset();
  }

  Quat(float w, float x, float y, float z){
    this.w = w;
    this.x = x;
    this.y = y;
    this.z = z;
  }

  void reset(){
    w = 1.0f;
    x = 0.0f;
    y = 0.0f;
    z = 0.0f;
  }

  void set(float w, Vec3 v){
    this.w = w;
    x = v.x;
    y = v.y;
    z = v.z;
  }

  void set(Quat q){
    w = q.w;
    x = q.x;
    y = q.y;
    z = q.z;
  }

  static Quat mul(Quat q1, Quat q2){
    Quat res = new Quat();
    res.w = q1.w * q2.w - q1.x * q2.x - q1.y * q2.y - q1.z * q2.z;
    res.x = q1.w * q2.x + q1.x * q2.w + q1.y * q2.z - q1.z * q2.y;
    res.y = q1.w * q2.y + q1.y * q2.w + q1.z * q2.x - q1.x * q2.z;
    res.z = q1.w * q2.z + q1.z * q2.w + q1.x * q2.y - q1.y * q2.x;
    return res;
  }
  
  float[] getValue(){
    // transforming this quat into an angle and an axis vector...

    float[] res = new float[4];

    float sa = (float) Math.sqrt(1.0f - w * w);
    if (sa < EPSILON){
      sa = 1.0f;
    }

    res[0] = (float) Math.acos(w) * 2.0f;
    res[1] = x / sa;
    res[2] = y / sa;
    res[3] = z / sa;

    return res;
  }
}
//week15-5_postman_mouseDragged_head_angleX_0_atan2
//修改自week11-3_postman_again
PImage postman, head, body, uparm1, hand1, uparm2, hand2, foot1, foot2;
void setup(){
  size(512, 600);
  postman = loadImage("postman.png");
  head = loadImage("head.png");
  body = loadImage("body.png");
  uparm1 = loadImage("uparm1.png");
  hand1 = loadImage("hand1.png");
  uparm2 = loadImage("uparm2.png");
  hand2 = loadImage("hand2.png");
  foot1 = loadImage("foot1.png");
  foot2 = loadImage("foot2.png");
}
float [] angleX= new float[10];
float [] angleY= new float[10];
int ID= 0;
ArrayList<String> lines = new ArrayList<String>();
void keyPressed() {
  if(key=='s'){
    String now="";
    for(int i=0;i<10;i++){
      now+= angleX[i] +" ";
      now+= angleY[i] +" ";
    }
    lines.add(now);
    String [] arr = new String[lines.size()];
    lines.toArray(arr);
    saveStrings("angle.txt",arr);
    println("現在存檔" +now);
  }
  if(key=='r'){
    String [] file = loadStrings("angle.txt");
    if(file != null){
      for(int i=0; i<file.length; i++){
        lines.add(file[i]);
        println("現在讀檔:"+ file[i]);
      }
    }
  }
  if(key=='p')playing= !playing;
  if (key=='1') ID = 1;//左手臂
  if (key=='2') ID = 2;//左手
  if (key=='3') ID = 3;//右手臂
  if (key=='4') ID = 4;//右手
  if (key=='5') ID = 5;//左腳
  if (key=='6') ID = 6;//右腳
  if (key=='0') ID = 0;//頭
}
boolean playing = false;
void mouseDragged() {
  //從void draw()找到投 掛的位置 +236,+231
  float dx= mouseX- 236, dy= mouseY -231;// 減掉座標
  angleX[0] = degrees(atan2(dy, dx)) +90;//頭的角度
  //把原本左右移動,變成像IK轉動
  //angleX[ID] += mouseX - pmouseX;
  //angleY[ID] += mouseY - pmouseY;
}
int R = 0;
void myInterpolate(){
  if(lines.size()>=2){
    float alpha = (frameCount%30)/30.0;
    if (alpha==0.0) R = (R+1)%lines.size();
    int R2 = (R+1)%lines.size();
    float [] oldAngle = float(split( lines.get( R ), ' ' ));
    float [] newAngle = float(split( lines.get( R2), ' ' ));
    for(int i=0;i<10;i++){
      angleX[i] = oldAngle[i*2+0]*(1-alpha) + newAngle[i*2+0]*alpha;
      angleY[i] = oldAngle[i*2+1]*(1-alpha) + newAngle[i*2+1]*alpha;
    }
  }
}
void draw(){
  background(#FFFFF2);
  if(playing) myInterpolate();
  image(body, 0, 0);//先畫身體
  pushMatrix();
  translate(232, 200);// 再放回去正確的位置
  rotate(radians(angleX[0]));
  translate(-232, -200);// 把頭的旋轉中心,放到(0,0)
  image(head, 0, 0);//再畫頭
  popMatrix();
  pushMatrix();//foot1
    translate(220, 375);
    rotate(radians(angleX[5]));
    translate(-220, -375);
    image(foot1, 0, 0);
  popMatrix();
  pushMatrix();//foot2
    translate(260, 372);
    rotate(radians(angleX[6]));
    translate(-260, -372);
    image(foot2, 0, 0);
  popMatrix();
  pushMatrix();//上手臂
  translate(185, 261);// 再放回去正確的位置
  rotate(radians(angleX[1]));
  translate(-185, -261);// 旋轉中心,放到(0,0)
  image(uparm1, 0, 0);
  pushMatrix();//手
  translate(126, 261);// 再放回去正確的位置
  rotate(radians(angleX[2]));
  translate(-126, -261);// 旋轉中心,放到(0,0)
  image(hand1, 0, 0);
  popMatrix();
  popMatrix();
  pushMatrix();//上手臂2
    translate(290, 262);// 再放回去正確的位置
    rotate(radians(angleX[3]));
    translate(-290, -262);// 旋轉中心,放到(0,0)
    image(uparm2, 0, 0);
    pushMatrix();//手2
      translate(357, 259);// 再放回去正確的位置
      rotate(radians(angleX[4]));
      translate(-357, -259);// 旋轉中心,放到(0,0)
      image(hand2, 0, 0);
    popMatrix();
  popMatrix();

}

//week15-6_postman_mouseDragged_posX_posY_ID_angleX_ID_angleY
//修改自week15-5_postman_mouseDragged_head_angleX_0_atan2
PImage postman, head, body, uparm1, hand1, uparm2, hand2, foot1, foot2;
void setup(){
  size(512, 600);
  postman = loadImage("postman.png");
  head = loadImage("head.png");
  body = loadImage("body.png");
  uparm1 = loadImage("uparm1.png");
  hand1 = loadImage("hand1.png");
  uparm2 = loadImage("uparm2.png");
  hand2 = loadImage("hand2.png");
  foot1 = loadImage("foot1.png");
  foot2 = loadImage("foot2.png");
}
float [] angleX= new float[10];
float [] angleY= new float[10];
int ID= 0;
ArrayList<String> lines = new ArrayList<String>();
void keyPressed() {
  if(key=='s'){
    String now="";
    for(int i=0;i<10;i++){
      now+= angleX[i] +" ";
      now+= angleY[i] +" ";
    }
    lines.add(now);
    String [] arr = new String[lines.size()];
    lines.toArray(arr);
    saveStrings("angle.txt",arr);
    println("現在存檔" +now);
  }
  if(key=='r'){
    String [] file = loadStrings("angle.txt");
    if(file != null){
      for(int i=0; i<file.length; i++){
        lines.add(file[i]);
        println("現在讀檔:"+ file[i]);
      }
    }
  }
  if(key=='p')playing= !playing;
  if (key=='1') ID = 1;//左手臂
  if (key=='2') ID = 2;//左手
  if (key=='3') ID = 3;//右手臂
  if (key=='4') ID = 4;//右手
  if (key=='5') ID = 5;//左腳
  if (key=='6') ID = 6;//右腳
  if (key=='0') ID = 0;//頭
}
boolean playing = false;
float [] posX = {236, 185, 116, 290, 357, 220, 260 };
float [] posY = {231, 261, 265, 262, 259, 375, 372 };
float [] posAngle= {90, 180, 180, 0, 0, -90, -90};
void mouseDragged() {
  //從void draw()找到投 掛的位置 +236,+231
  //float dx= mouseX- 236, dy= mouseY -231;// 減掉座標
  //angleX[0] = degrees(atan2(dy, dx)) +90;// 頭的角度
  float dx= mouseX- posX[ID], dy= mouseY -posY[ID];// 減掉座標
  angleX[ID] = degrees(atan2(dy, dx)) +posAngle[ID];//某個關節的角度
  //把原本左右移動,變成像IK轉動
  //angleX[ID] += mouseX - pmouseX;
  //angleY[ID] += mouseY - pmouseY;
}
int R = 0;
void myInterpolate(){
  if(lines.size()>=2){
    float alpha = (frameCount%30)/30.0;
    if (alpha==0.0) R = (R+1)%lines.size();
    int R2 = (R+1)%lines.size();
    float [] oldAngle = float(split( lines.get( R ), ' ' ));
    float [] newAngle = float(split( lines.get( R2), ' ' ));
    for(int i=0;i<10;i++){
      angleX[i] = oldAngle[i*2+0]*(1-alpha) + newAngle[i*2+0]*alpha;
      angleY[i] = oldAngle[i*2+1]*(1-alpha) + newAngle[i*2+1]*alpha;
    }
  }
}
void draw(){
  background(#FFFFF2);
  if(playing) myInterpolate();
  image(body, 0, 0);//先畫身體
  pushMatrix();
  translate(232, 200);// 再放回去正確的位置
  rotate(radians(angleX[0]));
  translate(-232, -200);// 把頭的旋轉中心,放到(0,0)
  image(head, 0, 0);//再畫頭
  popMatrix();
  pushMatrix();//foot1
    translate(220, 375);
    rotate(radians(angleX[5]));
    translate(-220, -375);
    image(foot1, 0, 0);
  popMatrix();
  pushMatrix();//foot2
    translate(260, 372);
    rotate(radians(angleX[6]));
    translate(-260, -372);
    image(foot2, 0, 0);
  popMatrix();
  pushMatrix();//上手臂
  translate(185, 261);// 再放回去正確的位置
  rotate(radians(angleX[1]));
  translate(-185, -261);// 旋轉中心,放到(0,0)
  image(uparm1, 0, 0);
  pushMatrix();//手
  translate(126, 261);// 再放回去正確的位置
  rotate(radians(angleX[2]));
  translate(-126, -261);// 旋轉中心,放到(0,0)
  image(hand1, 0, 0);
  popMatrix();
  popMatrix();
  pushMatrix();//上手臂2
    translate(290, 262);// 再放回去正確的位置
    rotate(radians(angleX[3]));
    translate(-290, -262);// 旋轉中心,放到(0,0)
    image(uparm2, 0, 0);
    pushMatrix();//手2
      translate(357, 259);// 再放回去正確的位置
      rotate(radians(angleX[4]));
      translate(-357, -259);// 旋轉中心,放到(0,0)
      image(hand2, 0, 0);
    popMatrix();
  popMatrix();
}















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