week01 Processing介紹篇

// week01_1_size

size(400,400); 

// week01_2_background

size(500,500);

background(255,255,0);

// week01_3_void_setup_void_draw_if_mousePressed

void setup() {

  size(500, 500); //大小

}

void draw() {

  if (mousePressed) background(255, 0, 0);//紅色

  else background(0, 255, 0);//綠色

}

// week01_4_if_mousePressed_line_mouseX_mouseY_pmouseX_pmouseY

void setup(){

  size(500,500); //大小

}

void draw(){

  if(mousePressed) line(mouseX, mouseY, pmouseX, pmouseY);

} //如果 mouse按下去,就畫線 mouse的XY座標到 previous mouse XY

// week01_5_void_keyPressed_if_key_strokeWeight

void setup(){

  size(500,500); //大小

}

void draw(){

  if(mousePressed) line(mouseX, mouseY, pmouseX, pmouseY);

} //如果 mouse按下去,就畫線 mouse的XY座標到 previous mouse XY

void keyPressed(){

  if(key=='1') strokeWeight(1);

  if(key=='2') strokeWeight(5);

  if(key=='3') strokeWeight(10);

}

// week01_6_void_keyPressed_if_key_stroke

void setup(){

  size(500,500); //大小

}

void draw(){

  if(mousePressed) line(mouseX, mouseY, pmouseX, pmouseY);

} //如果 mouse按下去,就畫線 mouse的XY座標到 previous mouse XY

void keyPressed(){

  if(key=='1') strokeWeight(1);

  if(key=='2') strokeWeight(5);

  if(key=='3') strokeWeight(10);

  if(key=='4') stroke(255,0,0);

  if(key=='5') stroke(255,255,0);

  if(key=='6') stroke(0,255,0);

  if(key=='7') stroke(0,0,255);

  if(key=='8') stroke(255,0,255);

}//如果 key 按下去,看 key的值,決定線的粗細

// week01_7_background_rect_fill_ellipse

size(600,400);

background(#FFFFA2);  //色彩的色碼 #RRGGBB (色彩選擇器,可挑色)

rect(100,100, 400,200);

//在100,100的地方, 畫寬度400,高度200 的長方形

fill(#FFFFA2); //填充色

ellipse(300, 200, 100, 100);

// week01_8_arc

size(400,400);

fill(#FFDC0F); //填充黃色

stroke(255,0,0); //noStroke();  //不要有邊線的筆觸

//ellipse(50, 50, 100, 100); //本來畫圓

arc(50, 50, 100, 100, 0 + 1, PI*2 - 1, PIE);//改畫弧度

//X座標, Y,  寬,  高,  開始,   結束, 蘋果派的方法畫

// week01_9_for_x_for_y_arc

size(400,400);

fill(#FFDC0F); //填充黃色

for(int x=0; x<400; x+=100){

  for(int y=0; y<400; y+=100){

    arc(x+50, y+50, 100, 100, 0 + 0.5, PI*2 - 0.5, PIE);//改畫弧度

    //X座標, Y,  寬,  高,  開始,   結束, 蘋果派的方法畫

  }

}