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Motion Vectorization

Input video: format

Output SVG motion program code

Output SVG motion program

Motion Program Transformation

Spatial Motion Adjustment

Motion textures

Input SVG motion program

MPTransformer(P, args):
    // OBJECT SELECTOR: Select all objs.
    selObjs = objSelector(P, propQuery, "all", 
                          None, [0, P.endFrame])

    // OBJECT TRANSFORMER: Pad each object 
    // timeline at the beginning for 4 seconds
    // and add a random translational jitter.
    linearRetimeObjTransformer(selObjs, 96, [0, 1])

    function randomShakeX(t, [x, amp, freq]):
        return x[t] + amp * sin(freq * t)

    function randomShakeY(t, [y, amp, freq]):
        return y[t] + amp * sin(freq * t)
    
    motionTexObjTransformer(selObjs, randomShakeX, 
                            [randFloat(),randFloat()], 
                            [0, 96])
    motionTexObjTransformer(selObjs, randomShakeY, 
                            [randFloat(),randFloat()], 
                            [0, 96])

Motion program transformer code. Here we pad the beginning of the video for 4 seconds with linearRetimeObjTransformer. We then fill that time with a random jitter motion texture to simulate an earthquake by using motionTexObjTransformer.

Output SVG motion program