Top Down Ship Movement

An example of Top Down Space Ship Movement in Unity 3D

Based on the World of Zero YouTube video series:

1. http://worldofzero.com/?v=TUIHY-5MvWQ
2. http://worldofzero.com/?v=xYl5qRgOw_M
3. http://worldofzero.com/?v=8-UBALp1xQc
4. http://worldofzero.com/?v=yOnth9uTLlA

An example of dot products which are used heavily in this code: http://worldofzero.com/?v=8cZo-c-f1yc