OsSlerp - Revision history

Djphil: Typo

2021-01-02T22:21:52Z

Typo

Manni at 09:10, 2 January 2021

2021-01-02T09:10:50Z

Djphil: Typos

2021-01-01T23:11:53Z

Typos

Djphil: Add new exemples

2021-01-01T14:39:19Z

Add new exemples

Djphil: Typo

2021-01-01T13:25:37Z

Typo

Djphil: ratio is a float

2020-12-31T01:49:45Z

ratio is a float

Djphil: Remove spaces

2020-12-31T01:40:34Z

Remove spaces

Djphil: Script improvement

2020-12-29T21:31:46Z

Script improvement

Aiaustin: Fix typo on according

2019-10-16T15:01:48Z

Fix typo on according

Kayaker Magic: Adding a sample LSL script to call osSlerp

2019-09-17T04:43:08Z

Adding a sample LSL script to call osSlerp

@@ Line 29: / Line 29: @@
          float ratio;
          rot_a = rot_b;
-         rot_b = llEuler2Rot(<llFrand(PI), llFrand(PI), llFrand(PI)>);;
+         rot_b = llEuler2Rot(<llFrand(PI), llFrand(PI), llFrand(PI)>);
          integer counter = 10;

@@ Line 4: / Line 4: @@
 |delay=0
 |function_syntax=rotation osSlerp(rotation a, rotation b, float ratio);
-|description=Returns a rotation that is the spherical interpolation of a and b, according to ratio that can be from 0.0 (result is a) to 1.0 (result is b)
+|description=Slerp is shorthand for spherical linear interpolation, introduced by Ken Shoemake in the context of quaternion interpolation for the purpose of animating 3D rotation.
 |ossl_example=<source lang="lsl">
 //

@@ Line 37: / Line 37: @@
+}
 </source>
-'''With a couple of scripts'''
+'''With a couple of scripts:'''
 <source lang="lsl">
 //
@@ Line 95: / Line 95: @@
+}
 </source>
-'''A more complex example'''
+'''A more complex example:'''
 <source lang="lsl">
 //

@@ Line 6: / Line 6: @@
 |description=Returns a rotation that is the spherical interpolation of a and b, according to ratio that can be from 0.0 (result is a) to 1.0 (result is b)
 |ossl_example=<source lang="lsl">
 //
 // osSlerp Script Example

@@ Line 7: / Line 7: @@
 |ossl_example=<source lang="lsl">
 //
-// osSlerp Script Exemple
+// osSlerp Script Example
 // Author: Kayaker Mangic Sept 2019
 //

@@ Line 47: / Line 47: @@
+         {
              ratio += 0.1;
-−
              if (ratio > 1.0)
+             {
@@ Line 60: / Line 60: @@
+             }
-             rotation rot = osSlerp(lastrot, nextrot, ratio);    // slerp generates rotations between these
+             rotation rot = osSlerp(lastrot, nextrot, ratio);
              llSetLinkPrimitiveParamsFast(LINK_THIS, [PRIM_ROTATION, rot]);
              llSleep(0.09);
+         }

@@ Line 4: / Line 4: @@
 |delay=0
 |function_syntax=rotation osSlerp(rotation a, rotation b, float ratio);
 |description=Returns a rotation that is the spherical interpolation of a and b, according to ratio that can be from 0 (result is a) to 1 (result is b)
 |ossl_example=<source lang="lsl">
-    //Test osSlerp. Kayaker Mangic Sept 2019
+//
-   //This isn't the right way to wiggle a stick (llSetKeyframedMotion is better)
+// osSlerp Script Exemple
-  //but it does demostrate osSlerp working!
+// Author: Kayaker Mangic Sept 2019
- //Put this script in a prim that is long in the X direction,
+//
-//it will wave it's tip around in a figure 8 (infinity) pattern.
 default
+{
      state_entry()
+     {
-         llSetTimerEvent(0.1);
+         llSay(PUBLIC_CHANNEL, "Touch to see osSlerp usage.");
+     }
-−
-     timer()
+     touch_start(integer number)
+     {
-        ratio += 0.1;       //step in 0.1 incriments
+         if (switch = !switch)
-         if (ratio>1.0)      //between 0 and 1
+         {
-             ratio = 0.1;    //start over
+             llSetTimerEvent(1.0);
-            lastrot=nextrot;    //save the last rotation
-            t += PI/10.0;       //bump t to generate points on a Lissajous curve
-            float y=llSin(t);       //this will generate points around an
+        else
-            float z=llSin(2.0*t);   //infinity sympol
-            vector fwd=llVecNorm(<2.0,y,z>);    //tip of this vector carves out the shape
+             llSetTimerEvent(0.0);
-             vector lft=llVecNorm(<0,0,1>%fwd);  //convert that into a rotation
-            nextrot = llAxes2Rot(fwd,lft,fwd%lft);  //this will be the next rotation to slerp to
+         }
+     }
-−
-</source>
+    timer()
-|additional_info=Implemented Set, 2019 by Ubit Umarov
+            rotation rot = osSlerp(lastrot, nextrot, ratio);    // slerp generates rotations between these
 }}