Difference between revisions of "Interpolation/Linear/Rotation"
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rotation x = llEuler2Rot(<0,0,30*DEG_TO_RAD>); | rotation x = llEuler2Rot(<0,0,30*DEG_TO_RAD>); | ||
rotation y = llEuler2Rot(<0,0,90*DEG_TO_RAD>); | rotation y = llEuler2Rot(<0,0,90*DEG_TO_RAD>); | ||
rotation z = rLin(x, y, 0.5); // z equivalent to euler rotation of 60 degrees on Z axis</lsl> | rotation z = rLin(x, y, 0.5); // z equivalent to euler rotation of 60 degrees on Z axis | ||
llOwnerSay((string)(llRot2Euler(z)*RAD_TO_DEG)); // <0.00000, 0.00000, 60.00001> | |||
</lsl> | |||
|cat1=Examples | |cat1=Examples | ||
}} | }} | ||
Revision as of 08:40, 17 November 2012
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Summary
Function: rotation rLin( rotation x, rotation y, float t );
Interpolates between two rotation values in a linear fashion.
Returns a rotation
| • rotation | x | |||
| • rotation | y | |||
| • float | t |
Specification
<lsl>rotation rLin(rotation x, rotation y, float t) {
float ang = llAngleBetween(x, y); if(ang > PI) ang -= TWO_PI; return x * llAxisAngle2Rot(llRot2Axis(y/x)*x, ang*t);
} // Released into public domain. By Nexii Malthus.</lsl>
Examples
<lsl> rotation x = llEuler2Rot(<0,0,30*DEG_TO_RAD>); rotation y = llEuler2Rot(<0,0,90*DEG_TO_RAD>); rotation z = rLin(x, y, 0.5); // z equivalent to euler rotation of 60 degrees on Z axis llOwnerSay((string)(llRot2Euler(z)*RAD_TO_DEG)); // <0.00000, 0.00000, 60.00001>
</lsl>