week03

今天的主題是 小畫家~

先設置面→劃線



設定筆刷的顏色和粗細
stroke (255,0,0) 顏色
strokeWeight(1) 粗細




void setup()
{
  size(600,400);
  fill(255,0,0); rect(0,0,50,50);
  fill(255,255,0); rect(0,50,50,50);
  fill(0,255,0); rect(0,100,50,50);
  fill(0,255,255); rect(0,150,50,50);
  fill(0,0,255); rect(0,200,50,50);
}

void draw()
{
  if(mouseX<50 && mousePressed){
    if(mouseY<50) stroke(255,0,0);
    else if(mouseY<100) stroke(255,255,0);
    else if(mouseY<150) stroke(0,255,0);
    else if(mouseY<200) stroke(0,255,255);
    else if(mouseY<250) stroke(0,0,255);
    else{
      strokeWeight((mouseY-250)/10);
    }
  }
  if(mouseX>50 && mousePressed){
    line(pmouseX,pmouseY,mouseX,mouseY);
  } 
}