week14_12750316

week14_1_PFont_createFont_textSize_text 

size(300,300);

textSize(50);

text("Hello",10,50);

PFont font = createFont("Time New Roman",50);

textFont(font);

text("Hello",10,100);

//print(PFont.list());

for(String name : PFont.list()) println(name); //Java

week14_2_PFont_chinese_font1_font2_font3_chinese_font_textFnt_cursor

PFont font1,font2,font3;Add commentMore actions

void setup(){

  size(300,300);

  font1 = createFont("Times New Roman Bold Italic",50);

  font2 = createFont("微軟正黑體 Bold",50);

  font3 = createFont("elffont-rock.otf",50);

}

void draw(){

  background(0);

  cursor(CROSS);

  fill(255);

  textFont(font1);

  text("Hello 中文", mouseX+20, mouseY-20);

  fill(#FF8E8E);

  textFont(font2);

  text("Hello 中文", mouseX+20, mouseY+50);

  textFont(font3);Add commentMore actions

  text("ㄅㄆㄇ", mouseX+20, mouseY+100);

}

week14_3_inverse_kinematics_part1

void setup(){

  size(400,400);

}

float [] angle = new float[5];

void draw(){

  background(255);

  translate(200,350);

  ellipse(0,0,12,12);

  

  pushMatrix();

    rotate(radians(angle[0]));

    rect(0,-5,50,10);

  popMatrix();

}

void mouseDragged(){

  angle[0] += mouseX - pmouseX;

}

week14_4_inverse_kinematics_part2

void setup(){

  size(400,400);Add commentMore actions

}

float [] angle = new float[5];

void draw(){

  background(255);

  translate(200,350);

  ellipse(0,0,12,12);

  

  pushMatrix();

    rotate(radians(angle[0]));

    rect(0,-5,50,10);

    pushMatrix();

      translate(50,0);

      rotate(radians(angle[1]));

      rect(0,-5,50,10);

    popMatrix();

  popMatrix();

}

void mouseDragged(){

  angle[ID] += mouseX - pmouseX;

}

int ID=0;

void keyPressed(){

  if(key=='0') ID=0;

  if(key=='1') ID=1;

}

week14_5_ik_inverse_kinematics_part3

void setup(){

  size(400,400);

  for(int i=0; i<6; i++){

    p[i] = new PVector(200, 350-50*i);

  }

}

PVector [] p = new PVector[6];

void draw(){

  background(255);

  for(int i=0;i<2;i++){

    if(i>0) line(p[i-1].x, p[i-1].y, p[i].x, p[i].y);

    fill(255,0,0);

    ellipse(p[i].x,p[i].y,8,8);

    fill(0);

    text("p:"+i, p[i].x+10, p[i].y);

  }

  ellipse(mouseX,mouseY,6,6);

  line(p[0].x, p[0].y, mouseX, mouseY);

}

week14_6_ik_inverse_kinematics_part4

void setup(){Add commentMore actions

  size(400,400);

  for(int i=0; i<2; i++){

    p[i] = new PVector(200, 350-50*i);

  }

}

PVector [] p = new PVector[6];

void draw(){

  background(255);

  for(int i=0;i<2;i++){

    if(i>0) line(p[i-1].x, p[i-1].y, p[i].x, p[i].y);

    fill(255,0,0);

    ellipse(p[i].x,p[i].y,8,8);

    fill(0);

    text("p:"+i, p[i].x+10, p[i].y);

  }

  PVector now = new PVector(mouseX, mouseY);

  PVector v = PVector.sub(now,p[0]).normalize().mult(50);

  p[1].x = p[0].x + v.x;

  p[1].y = p[0].y + v.y;

  ellipse(mouseX,mouseY,6,6);

  line(p[0].x, p[0].y, mouseX, mouseY);

}

week14_7_ik_inverse_kinematics_part5

void setup(){

  size(400,400);

  for(int i=0; i<6; i++){

    p[i] = new PVector(200, 350-50*i);

  }

}

PVector [] p = new PVector[6];

void draw(){

  background(255);

  for(int i=0;i<6;i++){

    if(i>0) line(p[i-1].x, p[i-1].y, p[i].x, p[i].y);

    fill(255,0,0);

    ellipse(p[i].x,p[i].y,8,8);

    fill(0);

    text("p:"+i, p[i].x+10, p[i].y);

  }

  PVector now = new PVector(mouseX, mouseY);

  PVector v = PVector.sub(now,p[4]).normalize().mult(50);

  p[5].x = p[4].x + v.x;

  p[5].y = p[4].y + v.y;

  ellipse(mouseX,mouseY,6,6);

  line(p[4].x, p[4].y, mouseX, mouseY);

}

week14_8_ik_inverse_kinematics_part6

void setup(){Add commentMore actions

  size(400,400);

  for(int i=0; i<6; i++){

    p[i] = new PVector(200, 350-50*i);

  }

}

PVector [] p = new PVector[6];

void draw(){

  background(255);

  for(int i=0;i<6;i++){

    if(i>0) line(p[i-1].x, p[i-1].y, p[i].x, p[i].y);

    fill(255,0,0);

    ellipse(p[i].x,p[i].y,8,8);

    fill(0);

    text("p:"+i, p[i].x+10, p[i].y);

  }

  PVector now = new PVector(mouseX, mouseY);

  for(int i=5;i>0;i--){

    PVector v = PVector.sub(now,p[i]).normalize().mult(50);

    p[i].x = now.x - v.x;

    p[i].y = now.y - v.y;

    now=p[i];

  }

  ellipse(mouseX,mouseY,6,6);

  //line(p[4].x, p[4].y, mouseX, mouseY);

}

week14_9_ik_inverse_kinematics_part7

void setup(){Add commentMore actions

  size(400,400);

  for(int i=0; i<6; i++){

    p[i] = new PVector(200, 350-50*i);

  }

}

PVector [] p = new PVector[6];

void draw(){

  background(255);

  for(int i=0;i<6;i++){

    if(i>0) line(p[i-1].x, p[i-1].y, p[i].x, p[i].y);

    fill(255,0,0);

    ellipse(p[i].x,p[i].y,8,8);

    fill(0);

    text("p:"+i, p[i].x+10, p[i].y);

  }

  PVector now = new PVector(mouseX, mouseY);

  p[5].x=now.x;Add commentMore actions

  p[5].y=now.y;

  for(int i=4;i>0;i--){

    PVector v = PVector.sub(p[i+1],p[i]).normalize().mult(50);

    p[i].x = p[i+1].x - v.x;

    p[i].y = p[i+1].y - v.y;

  }

  for(int i=1;i<=5;i++){

    PVector v = PVector.sub(p[i],p[i-1]).normalize().mult(50);

    p[i].x = p[i-1].x + v.x;

    p[i].y = p[i-1].y + v.y;

  }

  ellipse(mouseX,mouseY,6,6);

}

week14_9b_ik_inverse_kinematics_part8

void setup(){Add commentMore actions

  size(400,400);

  for(int i=0; i<N; i++){

    p[i] = new PVector(200, 350-L*i);

  }

}

int N=20, L=300/N;

PVector [] p = new PVector[N];

void draw(){

  background(255);

  for(int i=0;i<N;i++){

    if(i>0) line(p[i-1].x, p[i-1].y, p[i].x, p[i].y);

    fill(255,0,0);

    ellipse(p[i].x,p[i].y,8,8);

    fill(0);

    text("p:"+i, p[i].x+10, p[i].y);

  }

  p[N-1].x=mouseX;

  p[N-1].y=mouseY;

  for(int i=N-2;i>0;i--){

    PVector v = PVector.sub(p[i+1],p[i]).normalize().mult(L);

    p[i].x = p[i+1].x - v.x;

    p[i].y = p[i+1].y - v.y;

  }

  for(int i=1;i<N;i++){

    PVector v = PVector.sub(p[i],p[i-1]).normalize().mult(L);

    p[i].x = p[i-1].x + v.x;

    p[i].y = p[i-1].y + v.y;

  }

  ellipse(mouseX,mouseY,6,6);

}