SDFs in the scene - raymarching

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In example 3, there is a very simple movement using sin/cos.

I now wanted to realize a movement like in my example FlightRouteQuaternion .

However, I was only partially successful. The movement on the space curve works, but the alignment of the capsule obviously does not. Also, the whole curve should appear as a yellow line (similar to Shader - Shadertoy BETA), but only a blinking point on the capsule is the result of my efforts. My knowledge and experience with shaders is still too poor.

To integrate the movement, I added the files quaternions.js and curveMovement.js to the BasicFiles and added them to shaderParts.js.

For the quaternions I use as in the source Shader - Shadertoy BETA @author jt
justified


struct quat
{
    float s;
    vec3 v;
};

The addition is a modification of Quaternion - method .setFromBasis( e1, e2, e3 )

If you only want to achieve a fixed alignment with rotate(quat q, vec3 p), you can convert the values there, for example, and try them out visually: Quaternion - Axis, Angle Visualization