Then you create a material with a value driven by the rotation of the knob You can also modify the mesh data of one led and link the object data to the others quickly. If you want to change the shape of the leds (in edit mode), you can and they will be all modified at the same time as they are linked duplicate. You just have to change the range in degree, the number of leds you want, and it will create the strip with the correct number of leds around the 3D cursor. Override = )īpy.(override, value=steprad, axis=(-0, -0, -1), constraint_axis=(False, False, False), constraint_orientation='GLOBAL')
import bpyĭef get_override(area_type, region_type): I am not a great coder, you will find the script (poor one) I did in the blend file. The idea is to duplicate linked the led, then rotate to a determined amount around the 3D cursor, then add a custom property or as I have done here, use the pass index in the object tab and increment it for each duplicata. Then you switch to 3D cursor pivot mode and you snap the cursor to the center of your knob. Add a material to the led, a simple diffuse one, it will be modified later. Knob must have first rotation applied and rotation mode must be set to xyz euler, if you set it in quaternion or axis angle it will lit only on 180°. Let's assume you are looking at your knob from top view.įor convenience, you model a led and you parent led and knob to an empty. This one is driven by the knob rotation, so you animate the knob and the lights are good.
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