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Programm a drawing app. The color can be changed with the buttons '1' - '5'. The left mouse button is draws and the right mouse button is used to erase it.
Possible solution to exerciser exercise 5:
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color myColor = color(255, 0, 0);// red by default
void setup()
{
size(600, 600); // def. window size
noStroke();
background(255);
}
void draw()
{
if (mousePressed && mouseButton == LEFT) {
fill(myColor);
ellipse(mouseX, mouseY, 15, 15);
}
if (mousePressed && mouseButton == RIGHT) {
fill(255); // white
ellipse(mouseX, mouseY, 15, 15);
}
}
void keyPressed()
{
switch(key)
{
case '1':
myColor = color(255, 0, 0);// red
break;
case '2':
myColor = color(0, 255, 0);// green
break;
case '3':
myColor = color(0, 0, 255);// blue
break;
case '4':
myColor = color(0, 0, 0);// black
break;
case '5':
myColor = color(255, 255, 0);// yellow
break;
default:
println("wrong key");
break;
}
}
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