Math Trig

Calculate trigonometric values and work with angles.

Feature: Math

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float llSin(float theta)Returns the sine of theta. Theta is in radians.float llCos(float theta)Returns the cosine of theta. Theta is in radians.float llAtan2(float y, float x)Returns the arctangent of y/x in radians, using the signs to determine the quadrant. Note the argument order: Y is the first parameter, X is the second parameter.

Reference

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15 topic entries

• float llAcos(float val)function

  Returns the arccosine of val in radians.

• float llAngleBetween(rotation start_rot, rotation end_rot)function

  Returns the angle, in radians, between rotations start_rot and and end_rot.

• float llAsin(float val)function

  Returns the arcsine of val in radians.

• float llAtan2(float y, float x)function

  Returns the arctangent of y/x in radians, using the signs to determine the quadrant. Note the argument order: Y is the first parameter, X is the second parameter.

• rotation llAxes2Rot(vector fwd, vector left, vector up)function

  Returns the rotation defined by the coordinate axes fwd, left, and up.

• rotation llAxisAngle2Rot(vector axis, float angle)function

  Returns the rotation that rotates angle radians around the axis vector.

• float llCos(float theta)function

  Returns the cosine of theta. Theta is in radians.

• float llRot2Angle(rotation q)function

  Returns the angle, in radians, that q rotates.

• vector llRot2Axis(rotation q)function

  Returns the unit vector axis that q rotates around.

• vector llRot2Fwd(rotation q)function

  Returns the unit vector pointing toward positive X (forward) in the coordinate space of rotation q. Equivalent to <1, 0, 0> * q.

• vector llRot2Left(rotation q)function

  Returns the unit vector pointing toward positive Y (left) in the coordinate space of rotation q. Equivalent to <0, 1, 0> * q.

• vector llRot2Up(rotation q)function

  Returns the unit vector pointing toward positive Z (up) in the coordinate space of rotation q. Equivalent to <0, 0, 1> * q.

• rotation llRotBetween(vector start_vec, vector end_vec)function

  Returns the shortest-path quaternion that rotates start_vec onto end_vec.

• float llSin(float theta)function

  Returns the sine of theta. Theta is in radians.

• float llTan(float theta)function

  Returns the tangent of theta. Theta is in radians.