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 | ## TWO_PI (6.28318...) |
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Examples | float f = 0.0; beginShape(POLYGON); while(f < TWO_PI) { vertex(width/2 + cos(f)*40, height/2 + sin(f)*40); f += PI/12.0; } endShape(); |

Description | TWO_PI is a mathematical constant with the value 6.28318530717958647693. It is twice 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 | PI HALF_PI QUARTER_PI |