void turtle()
{
P5JSExtension.background(51);
P5JSExtension.resetMatrix();
P5JSExtension.translate(P5JSExtension.width / 2, P5JSExtension.height);
P5JSExtension.stroke(255);
for (int i = 0; i < sentence.Length; i++)
{
var current = sentence[i];
if (current == 'F')
{
P5JSExtension.line(0, 0, 0, -len);
P5JSExtension.translate(0, -len);
}
else if (current == '+')
{
P5JSExtension.rotate(angle);
}
else if (current == '-')
{
P5JSExtension.rotate(-angle);
}
else if (current == '[')
{
P5JSExtension.push();
}
else if (current == ']')
{
P5JSExtension.pop();
}
}
}
void branch(float len)
{
P5JSExtension.line(0, 0, 0, -len);
P5JSExtension.translate(0, -len);
if (len > 4)
{
P5JSExtension.push();
P5JSExtension.rotate(angle);
branch(len * 0.67f);
P5JSExtension.pop();
P5JSExtension.push();
P5JSExtension.rotate(-angle);
branch(len * 0.67f);
P5JSExtension.pop();
}
}