LlAtan2 - Second Life Wiki

LlAtan2

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Contents

Description

Function: float llAtan2( float y, float x );
3 Function ID
0.0 Delay
10.0 Energy

Returns a float that is the arctangent2 of y, x.

• float y
• float x


Similar to the arctangent(y/x) except it utilizes the signs of x & y to determine the quadrant. Returns zero if x and y are zero.

Examples

default
{
  state_entry()
  {
    float num1 = llFrand(100.0);
    float num2 = llFrand(100.0);
 
    llOwnerSay("y = " + (string)num1);
    llOwnerSay("x = " + (string)num2);
 
    llOwnerSay("The arctangent of y divided by x is " + (string)llAtan2(num1, num2));
  }
}

See Also

Functions

• llSin llAsin – sine & inverse Sine
• llCos llAcos – cosine & inverse cosine
• llTan – tangent

Articles

•  Wikipedia:Atan2
•  Wikipedia:Inverse_trigonometric_function
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