animated spinning top with Cardan mounting: EuMat( phi, theta, psi ) - File Exchange

Code covered by the BSD License

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animated spinning top with Cardan mounting

... CREATEINNERBARS Creates the bars of the inner (blue) ring
... CREATEOUTERBARS Creates the red motionless supporting bar
EuMat( phi, theta, psi ) EUMAT returns a rotation matrix rotating an object by the Cardan angles
cylinderWeights(r1,r2) CYLINDERWEIGHTS creates the innermost blue bars with heavy looking cylinders
multiplyEuMat( EuMat, X,Y,Z ) MULTIPLYEUMAT takes the X, Y, Z coordinates of an object and returns the
sTopMain(fileToRead) STOPMAIN Plots an animated spinning top with Cardan mounting from raw
torus (a, n, r, kpi) TORUS Generate a torus.
sTopEuler.m
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from animated spinning top with Cardan mounting by Alexander Erlich
Plots an animated spinning top with Cardan mounting from raw animation data.

EuMat( phi, theta, psi )

function [ ret_mat ] = EuMat( phi, theta, psi )
%EUMAT returns a rotation matrix rotating an object by the Cardan angles 
%(phi, theta, psi)

    Dphi = [cos(phi),-sin(phi),0;sin(phi),cos(phi),0;0,0,1];
    Dtheta = [1,0,0;0,cos(theta),-sin(theta);0,sin(theta), cos(theta)];
    Dpsi = [cos(psi),-sin(psi),0;sin(psi),cos(psi),0;0,0,1];

    ret_mat = Dphi*Dtheta*Dpsi;

Highlights from animated spinning top with Cardan mounting

Highlights from
animated spinning top with Cardan mounting