Difference between revisions of "LlAngleBetween"
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(I've copied this from lslwiki but I'm the author so it's all cool.) |
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|deepnotes=<lsl>float AngleBetween(rotation a, rotation b) | |||
{ | |||
return 2 * llAcos((a.x * b.x + a.y * b.y + a.z * b.z + a.s * b.s) | |||
/ llSqrt((a.x * a.x + a.y * a.y + a.z * a.z + a.s * a.s) * | |||
(b.x * b.x + b.y * b.y + b.z * b.z + b.s * b.s))); | |||
}</lsl> | |||
|cat1=Math/3D | |cat1=Math/3D | ||
|cat2 | |cat2 | ||
Revision as of 21:16, 1 October 2008
| LSL Portal | Functions | Events | Types | Operators | Constants | Flow Control | Script Library | Categorized Library | Tutorials |
Summary
Function: float llAngleBetween( rotation a, rotation b );| 174 | Function ID |
| 0.0 | Forced Delay |
| 10.0 | Energy |
Returns a float that is the angle between rotation a and b.
| • rotation | a | – | start rotation | |
| • rotation | b | – | end rotation |
Caveats
Examples
See Also
Functions
| • | llRotBetween |
Deep Notes
<lsl>float AngleBetween(rotation a, rotation b) {
return 2 * llAcos((a.x * b.x + a.y * b.y + a.z * b.z + a.s * b.s)
/ llSqrt((a.x * a.x + a.y * a.y + a.z * a.z + a.s * a.s) *
(b.x * b.x + b.y * b.y + b.z * b.z + b.s * b.s)));
}</lsl>
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function float llAngleBetween( rotation a, rotation b ); |