diff options
Diffstat (limited to 'gfx/gl/shadowStenciller.cpp')
| -rw-r--r-- | gfx/gl/shadowStenciller.cpp | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/gfx/gl/shadowStenciller.cpp b/gfx/gl/shadowStenciller.cpp index 55ad8e1..89b61cc 100644 --- a/gfx/gl/shadowStenciller.cpp +++ b/gfx/gl/shadowStenciller.cpp @@ -10,8 +10,6 @@ #include "maths.h" #include <stdexcept> -template<typename T> constexpr T STENCIL_ANGLES = 8; - ShadowStenciller::ShadowStenciller() : shadowCaster {shadowStencil_vs, shadowStencil_gs, shadowStencil_fs}, viewProjections {} { @@ -24,9 +22,11 @@ ShadowStenciller::ShadowStenciller() : void ShadowStenciller::setLightDirection(const LightDirection & lightDir) { - viewProjections = std::array<float, 8> {0, 1, 2, 3, 4, 5, 6, 7} * [&lightDir](const auto & ep) { - return rotate_pitch(half_pi - lightDir.position().y) * rotate_yaw((ep * quarter_pi) - lightDir.position().x); - }; + viewProjections = [&lightDir]<GLint... Ep>(std::integer_sequence<GLint, Ep...>) { + constexpr float STEP = two_pi / STENCIL_ANGLES<decltype(two_pi)>; + return std::array { + rotate_pitch(half_pi - lightDir.position().y) * rotate_yaw((Ep * STEP) - lightDir.position().x)...}; + }(std::make_integer_sequence<GLint, STENCIL_ANGLES<GLint>>()); } glTexture |