diff options
Diffstat (limited to 'intern/cycles')
| -rw-r--r-- | intern/cycles/util/util_math_intersect.h | 43 |
1 files changed, 0 insertions, 43 deletions
diff --git a/intern/cycles/util/util_math_intersect.h b/intern/cycles/util/util_math_intersect.h index 5bd3a52dcea..9e0587e1afb 100644 --- a/intern/cycles/util/util_math_intersect.h +++ b/intern/cycles/util/util_math_intersect.h @@ -290,49 +290,6 @@ ccl_device_forceinline bool ray_triangle_intersect( #undef IDX -ccl_device_inline bool ray_triangle_intersect_uv( - float3 ray_P, float3 ray_D, float ray_t, - float3 v0, float3 v1, float3 v2, - float *isect_u, float *isect_v, float *isect_t) -{ - /* Calculate intersection. */ - const float3 e1 = v1 - v0; - const float3 e2 = v2 - v0; - const float3 s1 = cross(ray_D, e2); - - const float divisor = dot(s1, e1); - if(UNLIKELY(divisor == 0.0f)) { - return false; - } - const float inv_divisor = 1.0f/divisor; - - /* Compute first barycentric coordinate. */ - const float3 d = ray_P - v0; - const float u = dot(d, s1)*inv_divisor; - if(u < 0.0f) { - return false; - } - /* Compute second barycentric coordinate. */ - const float3 s2 = cross(d, e1); - const float v = dot(ray_D, s2)*inv_divisor; - if(v < 0.0f) { - return false; - } - const float b0 = 1.0f - u - v; - if(b0 < 0.0f) { - return false; - } - /* Compute distance to intersection point. */ - const float t = dot(e2, s2)*inv_divisor; - if(t < 0.0f || t > ray_t) { - return false; - } - *isect_u = u; - *isect_v = v; - *isect_t = t; - return true; -} - ccl_device bool ray_quad_intersect(float3 ray_P, float3 ray_D, float ray_mint, float ray_maxt, float3 quad_P, |