09360361_week02

// week02_1_pacman_radians_mouseX

void setup() {
  size(400, 400);
}
void draw() {
  background(255);
  fill(#FFDC0F); //填充黃色
  float a = radians(mouseX);
  for (int x=0; x<400; x+=100) {
    for (int y=0; y<400; y+=100) {
      arc(x+50, y+50, 100, 100, 0 + a, PI*2 - a, PIE);//改畫弧度
      //X座標, Y,  寬,  高,  開始,   結束, 蘋果派的方法畫
    }
  }
}

1_pacman_radians_mouseX

// week02_2_pacman_radians_frameCount       

void setup(){
  size(400, 400);
}
void draw(){
  background(255);
  fill(#FFDC0F);
  float a = radians(frameCount);
  if(a>PI/4) a = a - PI/4;
  arc(200, 200, 300, 300, 0+a, PI*2-a, PIE);
  
}
                           2_pacman_radians_frameCount 



// week02_3_pacman_open_close_open_close
void setup(){
  size(400, 400);
}
void draw(){
  background(255);
  fill(#FFDC0F);
  float a = frameCount % 180; //0..45..90..180
  if(a<45) a = radians(a);
  else if(a<90) a = radians(90-a);
  else if(a<135) a = radians(a-90);
  else if(a<180) a = radians(180-a);
  arc(200, 200, 300, 300, 0+a, PI*2-a, PIE);
}

                             3_pacman_open_close_open_close


//week02_4_pacman_for_for_open_close_open_close
void setup(){
  size(400,400);
}
void draw (){
  background(255);
  fill(#FFDC0F);
  for (int x=0; x<400; x+=100) {
    for (int y=0; y<400; y+=100) {
  float a = frameCount % 180;
  if(a<45) a = radians(a);
  else if(a<90) a = radians(90-a);
  else if(a<135) a = radians(a-90);
  else if(a<180) a = radians(180-a);
  arc(x+50, y+50, 100, 100, 0+a, PI*2-a, PIE);
    }
  }
}

    
                        4_pacman_for_for_open_close_open_close

//week02_5_pacman_if_KeyPress_KeyCode
void setup(){
  size(400,400);
  //frameRate(200);
}
int x=200,y=200;
void draw(){
  background(255);
  fill(#FFDC0F);
  if(keyPressed && keyCode==RIGHT) x+=2;
  if(keyPressed && keyCode==LEFT) x-=2;
  if(keyPressed && keyCode==UP) y-=2;
  if(keyPressed && keyCode==DOWN) y+=2;
  ellipse(x,y,100,100);
}


//week02_06_pacman_b_direction

void setup(){

  size(400,400);

}

void draw(){

  background(255);

  fill(#FFDC0F);

  float a = frameCount % 180;

  float b = radians(mouseX);

  if(a<45) a = radians(a);

  else if(a<90) a = radians(90-a);

  else if(a<135) a = radians(a-90);

  else if(a<180) a = radians(180-a);

  arc(200,200,300,300,b+0+a,b+PI*2-a,PIE);

}

// week02_7_pacman_d_direction_void_keyPressed_keyCode
void setup() {
  size(400, 400);
}
float x = 200, y = 200, d=PI/2*0;
void draw() {
  background(255);
  fill(#FFDC0F);
  float a = frameCount % 180;
  if (a<45) a = radians(a);
  else if (a<90) a = radians(90-a);
  else if (a<135) a = radians(a-90);
  else if (a<180) a = radians(180-a);
  arc(x, y, 100, 100, d+0+a, d+PI*2-a, PIE);
}
void keyPressed(){
  if(keyCode==RIGHT){
    x++;
    d = PI/2*0;
  }else if(keyCode==DOWN){
    y++;
    d = PI/2*1;
  }else if(keyCode==LEFT){
    x--;
    d = PI/2*2;
  }else if(keyCode==UP){
    y--;
    d = PI/2*3;
  }
}


// week02_8_pacman_dx_dy_d_void_keyPressed
void setup(){
  size(400, 400);
}
int x = 200, y = 200, d = 0;
void draw(){
  background(255);
  fill(#FFDC0F);
  float a = 0.5;
  int [] dx = {1, 0, -1, 0};
  int [] dy = {0, 1, 0, -1};
  x += dx[d];
  y += dy[d];
  arc(x, y, 100, 100, PI/2*d+a, PI/2*d + PI*2 - a, PIE);
}
void keyPressed(){
  if(keyCode==RIGHT) d = 0;
  if(keyCode==DOWN) d = 1;
  if(keyCode==LEFT) d = 2;
  if(keyCode==UP) d = 3;
}


// week02_9_pacman_radians_abs_frameCount_if_keyPressed
void setup(){
  size(400, 400);
}
int x = 200, y = 200, d = 0;
void draw(){
  background(255);
  fill(#FFDC0F);
  float a = radians(abs(frameCount%90-45));
  int [] dx = {1, 0, -1, 0};
  int [] dy = {0, 1, 0, -1};
  if(keyPressed) x += dx[d];
  if(keyPressed) y += dy[d];
  arc(x, y, 100, 100, PI/2*d+a, PI/2*d + PI*2 - a, PIE);
}
void keyPressed(){
  if(keyCode==RIGHT) d = 0;
  if(keyCode==DOWN) d = 1;
  if(keyCode==LEFT) d = 2;
  if(keyCode==UP) d = 3;
}