Raycast constant v shape in front of player on any rotation

Question

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Hey guys so I need to make a raycast with constant v shape in front of player and so that it raycast horizontally and doesn't intersect with player(just like in pic 1 but on any rotation, I need to place hands according to those rays). Problem is that whenever I turn the player rays do not turn with it(I make rays out of the child empty object). alt text

Code:

 Physics.Raycast(IKRayOrigin.transform.position + originOffset, -IKRayOrigin.transform.up + leftVector, out L_hit, ledgeScript.grabHeight)
 
 Physics.Raycast(IKRayOrigin.transform.position + originOffset, -IKRayOrigin.transform.up + rightVector, out R_hit, ledgeScript.grabHeight)

Ray Offset values:

left vector: x: -0.47ff y:0f z:0.23

right vector 0.35f,0,0.23

Empty game object(origin local position): -0.108,2.03,0.366

Answer 1

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Answer by Duckocide · Oct 26, 2020 at 10:49 AM

I'm assuming the blue diamond / cube is attached as a child to the character.

If so a really quick way of getting the right direction out of the blue diamond / cube is to add two empty game objects in turn to it. Orientate those objects transforms so the z-axis (blue) is point the way you want each ray to go. Then use (of those two gameobjects) transform.forward for the ray direction.

I think the should work.

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conguerror · Oct 26, 2020 at 11:01 AM 0

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I will try it out, thanks for answer. Any other suggestions?

Duckocide conguerror · Oct 26, 2020 at 11:06 AM 0

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You can do the rotational math based on the player, but I think provided the blue cube game object is attached to the character (to pick up transform position / rotation) and in turn the ray direction empty gameobjects is the easiest way. The math will be similar to what unity is doing with the transforms anyway.

It's also very visual in the editor (gizmo's and option to attach visual debug shapes to those empty transforms).

conguerror Duckocide · Oct 26, 2020 at 11:20 AM 0

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I hate choosing the hard way, anyway

Raycast constant v shape in front of player on any rotation

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