week01 Tina

week01_1_size

size(400, 400);

week01_2_background

size(500,500);

background(255,255,0);//黃色

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);

}

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);

}

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);

}//如果key按下去，看key的值，決定線的粗細

week01_6_void_keyPressed_if_key_stroke

void setup() {

  size(500, 500);

}

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，可調色)

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();//不要有邊緣的筆觸

//ellipse(50,50,100,100);//本來畫圓

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

////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+1, PI*2-1, PIE);//改變弧度

  }

}