optixfaceforward

Name. faceforward - returns a normal as-is if a vertex's eye-space position vector points in the opposite direction of a geometric normal, otherwise return ...

What is OptiX? General Purpose Ray Tracing API ... float3 ffnormal = faceforward( world_shade_normal, -ray.direction, world_geo_normal ); ... optix::Ray ...

2015年11月7日 — 第一步，这个程式会精确地计算世界空间的法线。为实现这个计算，需要获取阴影法线和几何体法线，并将他们转换到世界空间，然后使用faceforward函数确保 ...

Optix' faceforward() seems to do the opposite to Cg, GLSL, HLSL and RSL. Makes sense.

OptiX public API. Author: NVIDIA Corporation This ... optix::copysignf (const float dst, const float src) ... optix::faceforward (const float2 &n, const float2 &i, ...

... faceforward( world_shade_normal, -ray.direction, world_geo_normal ); float3 hit_point = ray.origin + t_hit * ray.direction; /* Sum several octaves of abs ...

2019年5月4日 — float3 ffnormal = faceforward(world_geometry_normal, -ray.direction, world_geometry_normal);. phongShade(Kd, Ka, Ks, Kr, phong_exp, ffnormal);.

optix::Ray ray = optix::make_Ray(ray_origin, ray_direction, ... Nrust = faceforward (Nrust, -ray.direction, world_geo_normal); ... ▫ OptiX used to create its own ...

//确保法线的方向与光线方向的逆方向是锐角，以让面有光照效果. float3 ffnormal = faceforward(world_geometry_normal, -ray.direction, world_geometry_normal);.