| Name | HALF_PI (1.57079...) |
||
|---|---|---|---|
| Examples |  float f = 0.0;
beginShape(POLYGON);
while(f < HALF_PI) {
vertex(width/2 + cos(f)*40, height/2 + sin(f)*40);
f += PI/12.0;
}
endShape(); |
||
| Description | HALF_PI is a mathematical constant with the value 1.57079632679489661923. It is half the ratio of the circumference of a circle to its diameter. It is useful in combination with the trigonometric functions sin() and cos(). | ||
| Syntax | HALF_PI |
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| Parameters | |||
| Usage | Web & Application | ||
| Related | PI TWO_PI |
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