week02

 老師講解這節課將會做的事情

老師希望我們融會貫通做出一台車，而不是像以前的教學慢慢做一台車。

今天教的第一個程式碼是mousePressed 壓住滑鼠時

這邊壓住時會變成綠色(2550，0，0)

接著可以把它改成按滑鼠時 會畫一條線從0,0開始到滑鼠點x,y的位置

如果把0,0改成pmouse就會變成滑鼠在哪就畫在哪，所以可以用它來畫畫了!

變成點格子會有筆刷會換顏色喔~!

同理可以把顏色改成粗細

或者把他們融合一起

這樣就成功了~

也可以做出這種筆刷不同的樣子!

也可以做出這種延伸

這是綜合版 可以選粗度又可以選顏色

程式碼

void setup()

{

  size(500,500);

  rect(0,50,50,50);ellipse(25,25+50,1,1);

  rect(0,100,50,50);ellipse(25,25+100,2,2);

  rect(0,150,50,50);ellipse(25,25+150,3,3);

  rect(0,200,50,50);ellipse(25,25+200,4,4);

  rect(0,250,50,50);ellipse(25,25+250,5,5);

  rect(0,300,50,50);ellipse(25,25+300,6,6);

  rect(0,350,50,50);ellipse(25,25+350,7,7);

  rect(0,400,50,50);ellipse(25,25+400,8,8);

  

  fill(#FF0505);rect(450,50,50,50);

  fill(#FFB005);rect(450,100,50,50);

  fill(#D0FF05);rect(450,150,50,50);

  fill(#05FF24);rect(450,200,50,50);

  fill(#05DCFF);rect(450,250,50,50);

  fill(#051BFF);rect(450,300,50,50);

  fill(#7905FF);rect(450,350,50,50);

  fill(#FF05EF);rect(450,400,50,50);

}

void draw()

{

  if(mousePressed)

  {

    if(mouseX<50)

    {

      if(mouseY>1*50&&mouseY<1*50+50)strokeWeight(1);

      if(mouseY>2*50&&mouseY<2*50+50)strokeWeight(2);

      if(mouseY>3*50&&mouseY<3*50+50)strokeWeight(3);

      if(mouseY>4*50&&mouseY<4*50+50)strokeWeight(4);

      if(mouseY>5*50&&mouseY<5*50+50)strokeWeight(5);

      if(mouseY>6*50&&mouseY<6*50+50)strokeWeight(6);

      if(mouseY>7*50&&mouseY<7*50+50)strokeWeight(7);

      if(mouseY>8*50&&mouseY<8*50+50)strokeWeight(8);

    }

    else if(mouseX>450)

    {

      if(mouseY>1*50&&mouseY<1*50+50)stroke(#FF0505);

      if(mouseY>2*50&&mouseY<2*50+50)stroke(#FFB005);

      if(mouseY>3*50&&mouseY<3*50+50)stroke(#D0FF05);

      if(mouseY>4*50&&mouseY<4*50+50)stroke(#05FF24);

      if(mouseY>5*50&&mouseY<5*50+50)stroke(#05DCFF);

      if(mouseY>6*50&&mouseY<6*50+50)stroke(#051BFF);

      if(mouseY>7*50&&mouseY<7*50+50)stroke(#7905FF);

      if(mouseY>8*50&&mouseY<8*50+50)stroke(#FF05EF);

    }

    else line(mouseX,mouseY,pmouseX,pmouseY);

  }

}