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Question by jmarchuk · Feb 01, 2020 at 09:34 AM · physicsraycastcollider

Raycast hits when missing a collider, misses when hitting a collider?

alt text

alt text

These screenshots are the best way to explain. Blue rays are misses, and red rays are hits. The raytrace is looking for collision with the sphere colliders, but the points where a hit is returned are...weird and inconsistent, as you can see. Here's the code where the raytraces are happening:

        //Shoot raycast on click
         if (Input.GetMouseButtonDown (0))
         {
             RaycastHit hit;
             if (Physics.Raycast(lineStart, lineEnd, out hit, 200.0f))
             {
                 //Debug draw a red line on a Person hit, a blue line on a miss
                 string hitName = hit.collider.gameObject.name;
                 if (hitName.Contains("Person")) 
                 {
                     Debug.DrawLine (lineStart, lineEnd, Color.red, 120.0f);
                     Debug.Log(hitName);
                 } else
                 {
                     Debug.DrawLine (lineStart, lineEnd, Color.blue, 120.0f);
                 }
             }
         }

edit: I've found that if I reset the position of the source object (the object that the raycasts originate from), it works correctly. I also noticed that the LineRenderer component is causing the source object's transform to behave strangely. When LineRenderer is enabled, a small white plane appears at 0, 0, 0. That plane doesn't move, but if I move the source object, it's transform will always be halfway between the object mesh and the LineRenderer white plane thingy. I suppose this may have something to do with the problem?

screen-shot-2020-02-01-at-52523-pm.png (189.3 kB)
screen-shot-2020-02-01-at-52514-pm.png (198.9 kB)
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