Reference for Processing version 1.2. If you have a previous version, use the reference included with your software. If you see any errors or have suggestions, please let us know.
If you prefer a more technical reference, visit the Processing Javadoc.
Name
PI (3.14159...)
Examples
float f = 0.0;
beginShape(POLYGON);
while(f < PI) {
vertex(width/2 + cos(f)*40, height/2 + sin(f)*40);
f += PI/12.0;
}
endShape();
Description
PI is a mathematical constant with the value 3.14159265358979323846. It is the ratio of the circumference of a circle to its diameter. It is useful in combination with the trigonometric functions sin() and cos().
Usage
Web & Application
Related
TWO_PIHALF_PIQUARTER_PI
Updated on June 14, 2010 12:05:29pm EDT
Processing was initiated by Ben Fry and Casey Reas. It is developed by a small team of volunteers.