week02

小畫家

void setup(){

  size(800,600);

  background(255);

  stroke(#FF091C);

}

void draw(){

  fill(0,255,0);rect(0,0,100,100);

  fill(0,0,255);rect(0,100,100,100);

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

}

void mouseDragged(){

   line(mouseX,mouseY,pmouseX,pmouseY);

}

void mousePressed(){

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

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

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

}

加上粗細!

void setup(){

   size(800,600);

   background(255);

   stroke(#FF081C);

}

float myTsuTsuDer=1;

color myStroke=color(0);

void draw(){

  stroke(0); strokeWeight(1);

  fill(0,255,0); rect(0,0,100,100);

  fill(0,0,255); rect(0,100,100,100);

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

  stroke(myStroke); strokeWeight(myTsuTsuDer);

}

void mouseDragged(){

  line(mouseX, mouseY, pmouseX, pmouseY);

}

void mousePressed(){

  if(mouseX<100 && mouseY<100){myStroke=color(0,255,0);}

  else if (mouseX<100 && mouseY<200){myStroke=color(0,0,255);}

  else if (mouseX<100 && mouseY<300){myStroke=color(255,255,0);}

  if(mouseX>700) myTsuTsuDer=mouseY/30;

}

 漸層刮板

void setup(){ size(800,600); colorMode(HSB,800); background(0); strokeWeight(2); } void draw(){ if(mousePressed){ stroke(mouseX,mouseY,800); line(mouseX,mouseY,pmouseX,pmouseY); } }