11160906-互動001

001.

size(500,500);

background(0,255,255);

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002.

void setup(){

  size(500,500);//大小

}

void draw(){

if(mousePressed) background(255,0,0);//紅色

else background(0,0,255);//藍色

}

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003.

void setup() {

  size(500, 500);//大小

}

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 mouseXY

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004.

void setup() {

  size(500, 500);//大小

}

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 mouseXY

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

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005.

size(600,400);

background(#FFFFA2);

rect(100,100,400,200);

fill(#FFFFA2);

ellipse(300,200,100,100);

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006.

size(400,400);

fill(#FFDC0F);

//ellipse(50,50,100,100);

arc(50,50,100,100,0+1,PI*2-1);