All Questions
Tagged with raycasting java
11 questions
1
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0
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74
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Floorcasting not scrolling in raycaster?
I'm currently working on a raycaster in Java, and so far, I have the floor correctly textured. The problem, however, is that the floor doesn't scroll. In other words, when I move the camera in the ...
0
votes
1
answer
193
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Raycaster Textures Scrolling?
I am making a raycaster, I Have currently got textures rendering, but with North and South faces it appears that the texture is scrolling infinitely. I have read Shimmering, scrolling/panning a ...
1
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0
answers
212
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MousePicking in LWJGL - How to do it?
I have been working on a mouse picker for a scene in 3d for a client, and been having issues implementing a proper mouse pick. His application does not use a camera, and I am trying to get the ray ...
3
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0
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2k
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ray-casting, floor-casting part fails
I'm currently working on a ray-casting engine in Java and I can't figure out what's wrong with my code.
For the learning and theory I use:
The permadi tutorial: ( https://permadi.com/1996/05/ray-...
0
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1
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741
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Raycasting. Corner trap
In my top-down game character moves to target (pathfinding) also avoiding obstacles with Raycasting(Central ray with whiskers), but situation like on picture causes shiver and unneeded turning (...
0
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1
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544
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Ray casting problem using JOGL
I'm trying to port an old perfectly functioning ray casting implementation from my lwjgl project (FF pipeline) to a new project using JOGL and shaders. My problem is that my ray no longer intersects ...
-1
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2
answers
427
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Libgdx, find Vector3 direction
I am using Libgdx along with Bullet physics. I have a vehicle moving. I would like to use a ray from the vehicles origin and in the vehicles forward direction.
How can I create the forward Vector3 ...
1
vote
1
answer
1k
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Is this the correct way to detect ray-sphere intersection?
I have this java function that should return a true or false for any sphere passed to it if they intersect. However it seems to end being true a lot of the time when it shouldn't and false sometimes ...
2
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1
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1k
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Ray picking and bounding boxes in Java
How do I check which bounding boxes (of different types) a ray, sent from the camera through the mouse-click coordinates, intersects with first in Java (and where)? I have arrays (box_X, box_Y, box_Z, ...
0
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0
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415
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Block picking / ray casting through 3d blocks always slightly off
I've been working on adding a line-of-sight/ray-tracing system to my 3d block-world game. I've tried several different methods and they all work fairly well. At the moment I'm using something similar ...
13
votes
2
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5k
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Finding which tiles are intersected by a line, without looping through all of them or skipping any
I've been staring at this problem for a few days now. I rigged up this graphic to help me visualise the issue:
(from the graph, we know that the line intersects [1, 1], [1, 2], [2, 2], [2, 3], ending ...