05 Re­ori­en­tate the par­ti­cles

3D World - - TUTORIALS -

Also play with set­tings such as Life­span and Opac­ity. Use these to make it look like sparks. At this point, you might have an is­sue – the par­ti­cles aren’t gen­er­ated in the right ori­en­ta­tion. Use an ex­pres­sion on your emit­ter’s ro­ta­tion (X or Z, based on your setup) and tie it to the Uvalue of the Mo­tion path. 360 * Uvalue is the ba­sic logic.

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