第二周課堂作業

加入課程

方塊隨滑鼠移動

用滑鼠畫線(不需按滑鼠)

 用滑鼠畫線(按著滑鼠才畫)

隨方塊顏色 更換畫筆顏色

調整畫筆粗細

void setup(){

  size(800,600); background(#FAFC20);

  rect(700,0, 100,100); ellipse(750,50, 5,5);

  rect(700,100, 100,100); ellipse(750,150, 10,10);

  rect(700,200, 100,100); ellipse(750,250, 15,15);

  fill(255,0,0); rect(0,0, 100,100);

  fill(0,255,0); rect(0,100, 100,100);

  fill(0,0,255); rect(0,200, 100,100);

  fill(0); rect(0,300, 100,100);

}

void draw(){

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

}

void mousePressed(){

  println(mouseX+" "+mouseY);

  if (mouseX<100 && mouseY<100) stroke(255,0,0);

  else if (mouseX<100 && mouseY<200) stroke(0,255,0);

  else if (mouseX<100 && mouseY<300) stroke(0,0,255);

  else if (mouseX<100 && mouseY<400) stroke(0);

  else if (mouseX>700 && mouseY<100) strokeWeight(5);

  else if (mouseX>700 && mouseY<200) strokeWeight(10);

  else if (mouseX>700 && mouseY<300) strokeWeight(15);

}