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Link to original content: https://processing.org/reference/TAU.html
TAU / Reference / Processing.org

Processing

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Name

TAU

Description

TAU is a mathematical constant with the value 6.2831855. It is the circle constant relating the circumference of a circle to its linear dimension, the ratio of the circumference of a circle to its radius. It is useful in combination with trigonometric functions such as sin() and cos().

Examples

  • float x = width/2;
float y = height/2;
float d = width * 0.8;
arc(x, y, d, d, 0, QUARTER_PI);
arc(x, y, d-20, d-20, 0, HALF_PI);
arc(x, y, d-40, d-40, 0, PI);
arc(x, y, d-60, d-60, 0, TAU);

Related

Creative Commons License

This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.