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1. Vector math - understanding the output to use in code

   

   Topic by jt_knight · Jul 2021 · Home› Coding, Scripting, Shaders

   Hi everyone! This is a general question that I hope I can get some clarification on. But I'm getting the vector direction, angle, distance, and dot product of an object. I cannot for the life of me understand what some of the output means or how I can use it to set conditions in my code for the direction. For example:…

2. Re: Vector math - understanding the output to use in code

   

   Reply by jt_knight · Jul 2021 · Home› Coding, Scripting, Shaders

   Thank you so much for the explanation! I sincerely appreciate it. I've been doing Udemy 3d math for gaming to help understand this. It's helped a little. But I'm thinking I need to take a linear algebra course, which I never took in school. For context, I'm using the data to rotate a rocket and depending on it's tilt, I…

3. Re: Vector math - understanding the output to use in code

   

   Reply by Axi5 · Jul 2021 · Home› Coding, Scripting, Shaders

   You may need to brush up on some linear algebra it seems, I'll help you understand what you've got but it's worthwhile doing some internet digging. It's a little tricky to understand you without knowing all the inputs and context to this though so this is the best I've come up with without much thought: Direction Imagine…

4. Re: Vector math - understanding the output to use in code

   

   Reply by poopipe · Jul 2021 · Home› Coding, Scripting, Shaders

   Subscribe to 3Blue1Brown on YouTube. No need to spend moneys on a course.

5. Re: Vector math - understanding the output to use in code

   

   Reply by Axi5 · Jul 2021 · Home› Coding, Scripting, Shaders

   Yeah vectors are perfect for this. So I'm guessing you have a rocket which has something like 4 RCS modules spread out around the middle of the craft? Then whichever is closest to the ground is activated? You could do that with dot product. So you need to get the direction the models are facing somehow, in Unity it'd be…

6. Re: Vector math - understanding the output to use in code

   

   Reply by Axi5 · Jul 2021 · Home› Coding, Scripting, Shaders

   Yeah that works too, it's the same logic as above but applied differently. Have a play around with it and you'll start getting it.

7. Re: Vector math - understanding the output to use in code

   

   Reply by jt_knight · Jul 2021 · Home› Coding, Scripting, Shaders

   Thank you for that! Never heard of that till now. Just checked it out, SAVED and now party of my study material!

8. Re: Vector math - understanding the output to use in code

   

   Reply by jt_knight · Jul 2021 · Home› Coding, Scripting, Shaders

   Thanks again! Best explanation!

9. Re: Vector math - understanding the output to use in code

   

   Reply by jt_knight · Jul 2021 · Home› Coding, Scripting, Shaders

   That's almost exactly the scenario and yes it's in Unity. I'm really enjoying working in it. But the difference being that the thrusters are on either side of the rocket and are used to stabilize versus landing. So if I rotated on one axis, the particles on that side would be enabled to rotate it straight again. Same would…