From e62817b8252974b8a98393275874ee303840bf13 Mon Sep 17 00:00:00 2001 From: LaG1924 <12997935+LaG1924@users.noreply.github.com> Date: Fri, 12 May 2017 18:49:50 +0500 Subject: 2017-05-12 --- .../include/glm/gtx/scalar_multiplication.hpp | 69 ++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 depedencies/include/glm/gtx/scalar_multiplication.hpp (limited to 'depedencies/include/glm/gtx/scalar_multiplication.hpp') diff --git a/depedencies/include/glm/gtx/scalar_multiplication.hpp b/depedencies/include/glm/gtx/scalar_multiplication.hpp new file mode 100644 index 0000000..695e841 --- /dev/null +++ b/depedencies/include/glm/gtx/scalar_multiplication.hpp @@ -0,0 +1,69 @@ +/// @ref gtx +/// @file glm/gtx/scalar_multiplication.hpp +/// @author Joshua Moerman +/// +/// @brief Enables scalar multiplication for all types +/// +/// Since GLSL is very strict about types, the following (often used) combinations do not work: +/// double * vec4 +/// int * vec4 +/// vec4 / int +/// So we'll fix that! Of course "float * vec4" should remain the same (hence the enable_if magic) + +#pragma once + +#include "../detail/setup.hpp" + +#if !GLM_HAS_TEMPLATE_ALIASES && !(GLM_COMPILER & GLM_COMPILER_GCC) +# error "GLM_GTX_scalar_multiplication requires C++11 support or alias templates and if not support for GCC" +#endif + +#include "../vec2.hpp" +#include "../vec3.hpp" +#include "../vec4.hpp" +#include "../mat2x2.hpp" +#include + +namespace glm +{ + template + using return_type_scalar_multiplication = typename std::enable_if< + !std::is_same::value // T may not be a float + && std::is_arithmetic::value, Vec // But it may be an int or double (no vec3 or mat3, ...) + >::type; + +#define GLM_IMPLEMENT_SCAL_MULT(Vec) \ + template \ + return_type_scalar_multiplication \ + operator*(T const & s, Vec rh){ \ + return rh *= static_cast(s); \ + } \ + \ + template \ + return_type_scalar_multiplication \ + operator*(Vec lh, T const & s){ \ + return lh *= static_cast(s); \ + } \ + \ + template \ + return_type_scalar_multiplication \ + operator/(Vec lh, T const & s){ \ + return lh *= 1.0f / s; \ + } + +GLM_IMPLEMENT_SCAL_MULT(vec2) +GLM_IMPLEMENT_SCAL_MULT(vec3) +GLM_IMPLEMENT_SCAL_MULT(vec4) + +GLM_IMPLEMENT_SCAL_MULT(mat2) +GLM_IMPLEMENT_SCAL_MULT(mat2x3) +GLM_IMPLEMENT_SCAL_MULT(mat2x4) +GLM_IMPLEMENT_SCAL_MULT(mat3x2) +GLM_IMPLEMENT_SCAL_MULT(mat3) +GLM_IMPLEMENT_SCAL_MULT(mat3x4) +GLM_IMPLEMENT_SCAL_MULT(mat4x2) +GLM_IMPLEMENT_SCAL_MULT(mat4x3) +GLM_IMPLEMENT_SCAL_MULT(mat4) + +#undef GLM_IMPLEMENT_SCAL_MULT +} // namespace glm -- cgit v1.2.3