Combining particle system with motion-tracking

In the previous chapter, we have experimented with the motion-tracking technique by using a graphical shape to follow the user. Earlier in this chapter, we have tested how to control the particle system with the mouse. We can combine the two methods to use the user's body movement to control the particle system. Let's revisit the motion-tracking patch as shown in the following screenshot:

The pix_blob object sends the movement position to the translateXYZ object for the square to display the pixel image as texture. To combine particle system with motion tracking, it is pretty straightforward. Send the X and Y positions of movement to the X and Y positions of the part_source object. In this case, the user's body movement will trigger emission of the particles. In the following patch, Motion001.pd, the movement center will generate particles as spheres. We use a pack object to pack the X and Y positions together with a 0 as Z value for the part_source...