matrix_rotate_arbitrary_axis 1.0.1+2

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Simple library to generate rotation matrix around arbitrary axis

matrix_rotate_arbitrary_axis #

Library to generate rotation matrix around arbitrary axis.

Original implementation of RotationMatrix class (matrix_rotate_arbitrary_axis.dart) by Glenn Murray.

Usage #

If you want to apply rotation matrix to canvas in Flutter you can just call:

// Build a rotation matrix for rotations about the line through (a, b, c) 
// parallel to [uUn, vUn, wUn] by the angle theta. 
final rotationMatrix = RotationMatrix(a, b, c, uUn, vUn, wUn, angleInRadians);
final matrix = rotationMatrix.getMatrix();
canvas.transform(matrix2);

The parameters are:

  • [a] x-coordinate of a point on the line of rotation.
  • [b] y-coordinate of a point on the line of rotation.
  • [c] z-coordinate of a point on the line of rotation.
  • [uUn] x-coordinate of the line's direction vector (unnormalized).
  • [vUn] y-coordinate of the line's direction vector (unnormalized).
  • [wUn] z-coordinate of the line's direction vector (unnormalized).
  • [theta] The angle of rotation, in radians.

Example #

See example in the example folder

example animation

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Publisher

roszkowski.dev

Simple library to generate rotation matrix around arbitrary axis

Repository (GitHub)
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Documentation

API reference

License

Apache 2.0 (LICENSE)

Dependencies

vector_math

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