Difference between revisions of "LlEdgeOfWorld"
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| Line 7: | Line 7: | ||
|p1_type=vector|p1_name=pos|p1_desc | |p1_type=vector|p1_name=pos|p1_desc | ||
|p2_type=vector|p2_name=dir|p2_desc=direction | |p2_type=vector|p2_name=dir|p2_desc=direction | ||
|func_footnote | |func_footnote=The z component of {{LSLP|dir}} is ignored. | ||
|func_desc=Checks to see whether the border hit by {{LSLP|dir}} from {{LSLP|pos}} is the edge of the world (has no neighboring simulator). | |func_desc=Checks to see whether the border hit by {{LSLP|dir}} from {{LSLP|pos}} is the edge of the world (has no neighboring simulator). | ||
|return_text=[[FALSE]] indicating there is a simulator in the direction indicated. | |return_text=[[FALSE]] indicating there is a simulator in the direction indicated. | ||
|spec | |spec | ||
|caveats=* If {{LSLP|dir}} | |caveats=*If the '''x''' and '''y''' components of {{LSLP|dir}} are zero (like with [[ZERO_VECTOR]]), [[TRUE]] is always returned. | ||
* {{LSLP|pos}} must be in the region. | * {{LSLP|pos}} must be in the region. | ||
* Can only be used to detect directly adjacent regions, not diagonally adjacent regions | * Can only be used to detect directly adjacent regions, not diagonally adjacent regions | ||
Revision as of 14:01, 5 March 2014
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Summary
Function: integer llEdgeOfWorld( vector pos, vector dir );| 205 | Function ID |
| 0.0 | Forced Delay |
| 10.0 | Energy |
Checks to see whether the border hit by dir from pos is the edge of the world (has no neighboring simulator).
Returns a boolean (an integer) FALSE indicating there is a simulator in the direction indicated.
| • vector | pos | – | position in region coordinates | |
| • vector | dir | – | direction |
The z component of dir is ignored.
Caveats
- If the x and y components of dir are zero (like with ZERO_VECTOR), TRUE is always returned.
- pos must be in the region.
- Can only be used to detect directly adjacent regions, not diagonally adjacent regions
Examples
<lsl> //--// Tells if there are neighboring sims on touch //--//
default{
touch_start( integer vIntTouched ){
vector vPosObject = llGetPos();
if (!llEdgeOfWorld( vPosObject, <0.0, 1.0, 0.0> )){
llOwnerSay( "There is a Sim to the North" );
}
if (!llEdgeOfWorld( vPosObject, <1.0, 0.0, 0.0> )){
llOwnerSay( "There is a Sim to the East" );
}
if (!llEdgeOfWorld( vPosObject, <0.0, -1.0, 0.0> )){
llOwnerSay( "There is a Sim to the South" );
}
if (!llEdgeOfWorld( vPosObject, <-1.0, 0.0, 0.0> )){
llOwnerSay( "There is a Sim to the West" );
}
}
}
</lsl>