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GRID with Ray tracing + Reshade - YouTube
https://www.youtube.com/watch?v=M6HYXnwHVro
GRID with Ray tracing + Reshade. GRID with Ray tracing + Reshade. Watch later. Share. Copy link. Info. Shopping. Tap to unmute. If playback doesn't begin …
GRID RTX ON vs. RTX OFF – Ray Tracing with Graphics …
https://www.youtube.com/watch?v=4MuXI0r_m-g
GRID 2019 Graphics MOD - Ray Tracing enabled with Marty McFly ReShade Ray Tracing shader. RTX on - global illumination effect.CHANNEL MAIN TEST RIGs setup as...
GitHub - acschaefer/ray_tracing: Fast grid-based ray …
https://github.com/acschaefer/ray_tracing
This library implements ray tracing through a uniform grid according to the algorithm proposed by Amanatides and Woo: Amanatides, John, and Andrew Woo. A fast voxel traversal algorithm for ray tracing. Eurographics. Vol. 87. No. 3. 1987. The ray_tracing library is written in C++. In addition, it comes with Python bindings via pybind11.
Grid Creation Strategies for Efficient Ray Tracing
https://www.sci.utah.edu/~thiago/papers/rgrid_slides.pdf
Uniform Grid Acceleration Structure •We use the standard 3D uniform grid for ray tracing (examples are in 2D for simplicity) •Use cubical shaped cells •Choose number of cells in each dimension according to: d is the diagonal of the object (length) Nis number of triangles (primitives) kis a user supplied parameter nx= d x3 ! kN d xd yd z ny= d y3
Ray tracing (graphics) - Wikipedia
https://en.wikipedia.org/wiki/Ray_tracing_(graphics)
Ray Casting in 2D Grids - theshoemaker
https://theshoemaker.de/2016/02/ray-casting-in-2d-grids/
grid.cellSize. The distance to these edges can then be divided by the corresponding components of our direction vector to give us these distances in units of t! local tileX, tileY = tileCoords(grid.cellSize, curX, curY) local dtX = ((tileX)*grid.cellSize - curX) / ray.dirX local dtY = ((tileY)*grid.cellSize - curY) / ray.dirY
Scratchapixel
https://www.scratchapixel.com/lessons/advanced-rendering/introduction-acceleration-structure/grid
An Overview of the Ray-Tracing Rendering Technique. Ray-Tracing: Generating Camera Rays. A Minimal Ray-Tracer: Rendering Simple Shapes (Sphere, Cube, Disk, Plane, etc.) Ray Tracing: Rendering a Triangle. Introduction to Polygon Meshes. Ray-Tracing a Polygon Mesh. Transforming Objects using Matrices.
Ray Tracing - Stanford University
https://graphics.stanford.edu/courses/cs348b-05/lectures/lecture3/raytrace_ii.pdf
Ray Tracing Acceleration Techniques N1 Faster Intersection Fewer Rays Generalized Rays Approaches Tighter bounds Faster intersector Uniform grids Spatial hierarchies k-d, oct-tree, bsp hierarchical grids Hierarchical bounding volumes (HBV) Early ray termination Adaptive sampling Beam tracing Cone tracing Pencil tracing Page 2
Computer Graphics from Scratch - Gabriel Gambetta
https://www.gabrielgambetta.com/computer-graphics-from-scratch/02-basic-raytracing.html
We know the ray passes through O, and we know its direction (from O to V ), so we can express any point P in the ray as P = O + t ( V − O) where t is any real number. By plugging every value of t from − ∞ to + ∞ into this equation, we get every point P along the ray. Let’s call ( V − O), the direction of the ray, D →. The equation becomes
Lecture 17: Lenses and ray tracing - Physics
https://physicscourses.colorado.edu/phys1230/phys1230_fa18/lectures/Lecture17_Lenses_and_Ray_Tracing_fa18.pdf
Rays entering “slower”material bend toward normal Rays entering “faster”material bend away from normal n=1 Ray tracing: 1. As long as ray stays in same medium, it goes straight. 2. At each interface to a different medium, calculate how it will bend. Go back to 1. Ray tracing to understand lenses and images This gets tedious! 13 F F foci
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