Difference between revisions of "LlGroundNormal"
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|caveats=*Despite the name, llGroundNormal DOES NOT RETURN A NORMAL VECTOR!!! If your calculation requires a normal (for example if you are using the result as an argument to [[llAxes2Rot]]) then you must force it to be a normal with [[llVecNorm]](llGroundNormal(offset)); | |caveats=*Despite the name, [[llGroundNormal]] DOES NOT RETURN A NORMAL VECTOR!!! If your calculation requires a normal (for example if you are using the result as an argument to [[llAxes2Rot]]) then you must force it to be a normal with [[llVecNorm]]([[llGroundNormal]](offset)); | ||
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Revision as of 01:19, 16 June 2012
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Summary
Function: vector llGroundNormal( vector offset );| 222 | Function ID |
| 0.0 | Forced Delay |
| 10.0 | Energy |
Returns a vector that is the ground normal from the current position + offset.
| • vector | offset |
The requested position needs to be in the same sim.
Specification
This function is defined as: <lsl> vector llGroundNormal(vector offset) {
vector slope = llGroundSlope(offset); return <slope.x, slope.y, 1.0>;
} </lsl>
Caveats
- Despite the name, llGroundNormal DOES NOT RETURN A NORMAL VECTOR!!! If your calculation requires a normal (for example if you are using the result as an argument to llAxes2Rot) then you must force it to be a normal with llVecNorm(llGroundNormal(offset));
Examples
See Also
Functions
| • | llGround | – | Gets the ground height | |
| • | llGroundContour | – | Gets the ground contour | |
| • | llGroundSlope | – | Gets the ground slope |