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Question by lilsheep · Mar 06, 2014 at 01:21 AM · raycastraycastingraycasts

Want ray cast to be true when intersecting any object

I have this ray

Physics.Raycast (transform.position, dwn, 5)

in an if statement which is true when I am close to the terrain at the bottom. [ so basically it only seems to respond to terrain, I have print statements at the bottom to make sure ]

How can I get it to be true when I am above ANY object!

??

Thank you = )

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avatar image getyour411 · Mar 06, 2014 at 01:26 AM 0
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do the objects you want to RayCastHit have colliders and are on layers that are set to interact in Physics.$$anonymous$$atrix?

Add: https://docs.unity3d.com/Documentation/Components/LayerBasedCollision.html

avatar image Mulldor · Mar 06, 2014 at 01:27 AM 0
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You must declare a hit

RaycastHit hit; Physics.Raycast(from, to, hit) Debug.Log(hit.collider.gameObject);

avatar image lilsheep · Mar 06, 2014 at 01:29 AM 0
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the objects are irregularly shaped ( trees ) ! How do I get a collidor on that? Also what do you mean PHysics.matrix? I just set collidor to cube and it works but I don't want it to work with a cube. $$anonymous$$ust be the trees shape!

avatar image Mulldor · Mar 06, 2014 at 01:31 AM 0
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The irregular shapes does not matter, as long as their colliders are according to their meshes, because the raycast will collide with the first collider it hits!

avatar image getyour411 · Mar 06, 2014 at 01:32 AM 0
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Are these project Trees (shown in the Project Hierarchy) with colliders (mesh, box, etc) or are these Terrain trees painted on via brush or via $$anonymous$$ass Placed?

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Answer by getyour411 · Mar 06, 2014 at 02:32 AM

I haven't seen a reply re: terrain or placed tree. If it's a placed tree, you can work through Mulldor's suggestions. If it's a terrain tree (or you plan to make them terrain trees) you'll need to consider a few additional things. Details here

http://answers.unity3d.com/questions/650308/how-do-i-interact-with-terrain-trees.html

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