小畫家

void setup(){
size(800,600);
background(0);
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(255,255,255); rect(0,300,100,100);
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);

}
void draw(){

if(mousePressed && mouseX>100 && mouseX<700) line(mouseX,mouseY,pmouseX,pmouseY);

}
void mousePressed(){
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(255,255,255);
else if(mouseX>700 && mouseY <100) strokeWeight(5);
else if(mouseX>700 && mouseY <200) strokeWeight(10);
else if(mouseX>700 && mouseY <300) strokeWeight(15);
}
void mouseClicked()
{
 
}