Linden Scripting Language Guide - Engineering Center

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Chapter 4. Flow Control}string msg;if(!attached){if((perm & PERMISSION_ATTACH) && (dist < 10.0)){attach();}else if((dist > 10.0) || ((dist > 20.0) && (balance > 1000))){move_closer();}else{llRequestPermissions(llGetOwner(), PERMISSION_ATTACH);}}4.2. Loop ConstructsLoops are a basic building block of most useful programming languages, and LSL offers the the same loopcostructs as found in Java or C.4.2.1. for loopA for loop is most useful for when you know how many times you need to iterate over an operation. Just like aJava or C for loop, the parentheses have three parts, the initializer, the continuation condition, and the increment.The loop continues while the middle term evaluates to true, and the increment step is performed at the end ofevery loop.// move a non-physical block smootly upward (positive z) the the total// distance specified divided into steps discrete moves.move_up(float distance, integer steps){float step_distance = distance / (float)steps;vector offset = ;vector base_pos = llGetPos();integer i;for(i = 0; i
Chapter 4. Flow Control4.2.2. do-while loopThe do-while loop construct is most useful when you are sure that you want to perform an operation at leastonce, but you are not sure how many times you want to loop. The syntax is the same as you would find in a Javaor C program. A simple english transation would be ’do the code inside the curly braces and continue doing it ifthe statement after the while is true.// output the name of all inventory items attached to this objecttalk_about_inventory(integer type){string name;integer i = 0;integer continue = TRUE;do{name = llGetInventoryName(type, i);if(llStringLength(name) > 0){llSay(0, "Inventory " + (string)i + ": " + name);}else{llSay(0, "No more inventory items");continue = FALSE;}} while(continue);}4.2.3. while loopThe while loop behaves similarly to the do-while loop, excpet it allows you to exit the loop without doing asingle iteration inside.mention_inventory_type(integer type){integer i = llGetInventoryNumber(type);while(i--){llSay(0, "item: " + llGetInventory(i));}}14
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Page 8 and 9: A.193. llSetObjectName ............
Page 10 and 11: C.20. Vector Constant..............
Page 12 and 13: Chapter 1. IntroductionThe Linden S
Page 14 and 15: Chapter 2. Getting Started2.1.2. De
Page 16 and 17: Chapter 3. BasicsNow that we have s
Page 18 and 19: Chapter 3. BasicsOperatorMeaning/ D
Page 20 and 21: Chapter 3. Basicsstring StringVar =
Page 22 and 23: Chapter 3. Basics3.6. Local Variabl
Page 26 and 27: 4.3. JumpsChapter 4. Flow ControlA
Page 28 and 29: Chapter 5. StatesAll scripts must h
Page 30 and 31: Chapter 5. States}state TimerState{
Page 32 and 33: Chapter 6. Math6.1. Tables of Funct
Page 34 and 35: Chapter 8. Lists8.1. Tables of Func
Page 36 and 37: Chapter 10. Inventory10.1. Tables o
Page 38 and 39: Chapter 11. VehiclesWhile the follo
Page 40 and 41: Chapter 11. VehiclesSo a typical Se
Page 42: Chapter 11. Vehiclesmaximum possibl
Page 46 and 47: Appendix A. Linden Library Function
Page 52 and 53: A.30. llDetectedLinkNumberAppendix
Page 56 and 57: A.49. llGetAgentInfoAppendix A. Lin
Page 58 and 59: A.59. llGetFreeMemoryAppendix A. Li
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Page 62 and 63: A.79. llGetPermissionsAppendix A. L
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A.135. llMakeFountainAppendix A. Li
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A.144. llParticleSystemAppendix A.
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A.153. llReleaseControlsAppendix A.
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Appendix A. Linden Library Function
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A.182. llSensorRepeatAppendix A. Li
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Critically damps to a height. The h
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A.241. llWaterAppendix A. Linden Li
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B.5. collision_endAppendix B. Event
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Appendix B. EventsThis event is rai
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B.24. sensorAppendix B. Eventssenso
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Appendix C. ConstantsTo ease script
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Appendix C. ConstantsPERMISSION_REM
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Appendix C. ConstantsATTACH_NOSEAtt
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Appendix C. ConstantsControl Consta
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Appendix C. ConstantsAgent Info Con
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Appendix C. ConstantsPSYS_SRC_PATTE
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Appendix C. ConstantsDATA_RATINGRet
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Appendix C. ConstantsVEHICLE_ANGULA
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C.24. Vehicle TypesAppendix C. Cons
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Appendix C. Constants| VEHICLE_FLAG
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Appendix C. Constants// remove thes
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