mirror of
https://github.com/g-truc/glm.git
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Rewrapped GL compatibility and GLU replacement functions
This commit is contained in:
Christophe Riccio
parent
d56da3b541
commit
2baf870c49
@ -11,12 +11,8 @@
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#define glm_ext
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#define glm_ext
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#include "./gtc/double_float.hpp"
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#include "./gtc/double_float.hpp"
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#include "./gtc/gl_replacement.hpp"
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#include "./gtc/glu_replacement.hpp"
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#include "./gtc/half_float.hpp"
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#include "./gtc/half_float.hpp"
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#include "./gtc/matrix_access.hpp"
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#include "./gtc/matrix_access.hpp"
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#include "./gtc/matrix_operation.hpp"
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#include "./gtc/matrix_projection.hpp"
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#include "./gtc/matrix_transform.hpp"
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#include "./gtc/matrix_transform.hpp"
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#include "./gtc/quaternion.hpp"
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#include "./gtc/quaternion.hpp"
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#include "./gtc/swizzle.hpp"
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#include "./gtc/swizzle.hpp"
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@ -49,11 +45,9 @@
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#include "./gtx/inverse.hpp"
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#include "./gtx/inverse.hpp"
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#include "./gtx/inverse_transpose.hpp"
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#include "./gtx/inverse_transpose.hpp"
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#include "./gtx/log_base.hpp"
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#include "./gtx/log_base.hpp"
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#include "./gtx/matrix_access.hpp"
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#include "./gtx/matrix_cross_product.hpp"
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#include "./gtx/matrix_cross_product.hpp"
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#include "./gtx/matrix_major_storage.hpp"
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#include "./gtx/matrix_major_storage.hpp"
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#include "./gtx/matrix_operation.hpp"
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#include "./gtx/matrix_operation.hpp"
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#include "./gtx/matrix_projection.hpp"
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#include "./gtx/matrix_query.hpp"
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#include "./gtx/matrix_query.hpp"
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#include "./gtx/matrix_selection.hpp"
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#include "./gtx/matrix_selection.hpp"
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#include "./gtx/mixed_product.hpp"
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#include "./gtx/mixed_product.hpp"
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@ -15,7 +15,8 @@
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// Dependency:
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// Dependency:
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#include "../glm.hpp"
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#include "../glm.hpp"
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#include "../gtc/gl_replacement.hpp"
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#include "../gtc/matrix_transform.hpp"
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#include "../gtc/matrix_projection.hpp"
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namespace glm
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namespace glm
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{
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{
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@ -27,49 +28,6 @@ namespace glm
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//! GLM_GTC_gl_replacement extension: GLM replacement functions for OpenGL compatibility function
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//! GLM_GTC_gl_replacement extension: GLM replacement functions for OpenGL compatibility function
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namespace gl_replacement
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namespace gl_replacement
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{
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{
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//! Builds a translation 4 * 4 matrix created from a vector of 3 components.
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//! From GLM_GTC_gl_replacement extension.
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template <typename T>
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detail::tmat4x4<T> translate(
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detail::tmat4x4<T> const & m,
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detail::tvec3<T> const & v);
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//! Builds a rotation 4 * 4 matrix created from an axis vector and an angle expressed in degrees.
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//! From GLM_GTC_gl_replacement extension.
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template <typename T>
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detail::tmat4x4<T> rotate(
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detail::tmat4x4<T> const & m,
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T const & angle,
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detail::tvec3<T> const & v);
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//! Builds a scale 4 * 4 matrix created from 3 scalars.
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//! From GLM_GTC_gl_replacement extension.
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template <typename T>
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detail::tmat4x4<T> scale(
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detail::tmat4x4<T> const & m,
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detail::tvec3<T> const & v);
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//! Creates a matrix for an orthographic parallel viewing volume.
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//! From GLM_GTC_matrix_projection extension.
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template <typename T>
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detail::tmat4x4<T> ortho(
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T const & left,
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T const & right,
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T const & bottom,
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T const & top,
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T const & zNear,
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T const & zFar);
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//! Creates a frustum matrix.
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//! From GLM_GTC_matrix_projection extension.
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template <typename T>
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detail::tmat4x4<T> frustum(
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T const & left,
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T const & right,
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T const & bottom,
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T const & top,
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T const & nearVal,
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T const & farVal);
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}//namespace gl_replacement
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}//namespace gl_replacement
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}//namespace gtc
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}//namespace gtc
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@ -11,176 +11,7 @@ namespace glm{
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namespace gtc{
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namespace gtc{
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namespace gl_replacement
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namespace gl_replacement
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{
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{
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template <typename T>
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inline detail::tmat4x4<T> translate
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(
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detail::tmat4x4<T> const & m,
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detail::tvec3<T> const & v
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)
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{
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detail::tmat4x4<T> Result(m);
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Result[3] = m[0] * v[0] + m[1] * v[1] + m[2] * v[2] + m[3];
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return Result;
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}
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template <typename T>
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inline detail::tmat4x4<T> rotate
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(
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detail::tmat4x4<T> const & m,
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T const & angle,
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detail::tvec3<T> const & v
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)
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{
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T a = radians(angle);
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T c = cos(a);
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T s = sin(a);
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detail::tvec3<T> axis = normalize(v);
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detail::tvec3<T> temp = (T(1) - c) * axis;
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detail::tmat4x4<T> Rotate(detail::tmat4x4<T>::null);
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Rotate[0][0] = c + temp[0] * axis[0];
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Rotate[0][1] = 0 + temp[0] * axis[1] + s * axis[2];
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Rotate[0][2] = 0 + temp[0] * axis[2] - s * axis[1];
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Rotate[1][0] = 0 + temp[1] * axis[0] - s * axis[2];
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Rotate[1][1] = c + temp[1] * axis[1];
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Rotate[1][2] = 0 + temp[1] * axis[2] + s * axis[0];
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Rotate[2][0] = 0 + temp[2] * axis[0] + s * axis[1];
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Rotate[2][1] = 0 + temp[2] * axis[1] - s * axis[0];
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Rotate[2][2] = c + temp[2] * axis[2];
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detail::tmat4x4<T> Result(detail::tmat4x4<T>::null);
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Result[0] = m[0] * Rotate[0][0] + m[1] * Rotate[0][1] + m[2] * Rotate[0][2];
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Result[1] = m[0] * Rotate[1][0] + m[1] * Rotate[1][1] + m[2] * Rotate[1][2];
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Result[2] = m[0] * Rotate[2][0] + m[1] * Rotate[2][1] + m[2] * Rotate[2][2];
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Result[3] = m[3];
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return Result;
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}
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template <typename T>
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inline detail::tmat4x4<T> scale
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(
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detail::tmat4x4<T> const & m,
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detail::tvec3<T> const & v
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)
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{
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detail::tmat4x4<T> Result(detail::tmat4x4<T>::null);
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Result[0] = m[0] * v[0];
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Result[1] = m[1] * v[1];
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Result[2] = m[2] * v[2];
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Result[3] = m[3];
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return Result;
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}
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template <typename T>
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inline detail::tmat4x4<T> translate_slow
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(
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detail::tmat4x4<T> const & m,
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detail::tvec3<T> const & v
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)
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{
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detail::tmat4x4<T> Result(T(1));
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Result[3] = detail::tvec4<T>(v, T(1));
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return m * Result;
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//detail::tmat4x4<valType> Result(m);
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Result[3] = m[0] * v[0] + m[1] * v[1] + m[2] * v[2] + m[3];
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//Result[3][0] = m[0][0] * v[0] + m[1][0] * v[1] + m[2][0] * v[2] + m[3][0];
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//Result[3][1] = m[0][1] * v[0] + m[1][1] * v[1] + m[2][1] * v[2] + m[3][1];
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//Result[3][2] = m[0][2] * v[0] + m[1][2] * v[1] + m[2][2] * v[2] + m[3][2];
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//Result[3][3] = m[0][3] * v[0] + m[1][3] * v[1] + m[2][3] * v[2] + m[3][3];
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//return Result;
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}
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template <typename T>
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inline detail::tmat4x4<T> rotate_slow
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(
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detail::tmat4x4<T> const & m,
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T const & angle,
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detail::tvec3<T> const & v
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)
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{
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T a = radians(angle);
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T c = cos(a);
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T s = sin(a);
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detail::tmat4x4<T> Result;
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detail::tvec3<T> axis = normalize(v);
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Result[0][0] = c + (1 - c) * axis.x * axis.x;
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Result[0][1] = (1 - c) * axis.x * axis.y + s * axis.z;
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Result[0][2] = (1 - c) * axis.x * axis.z - s * axis.y;
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Result[0][3] = 0;
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Result[1][0] = (1 - c) * axis.y * axis.x - s * axis.z;
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Result[1][1] = c + (1 - c) * axis.y * axis.y;
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Result[1][2] = (1 - c) * axis.y * axis.z + s * axis.x;
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Result[1][3] = 0;
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Result[2][0] = (1 - c) * axis.z * axis.x + s * axis.y;
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Result[2][1] = (1 - c) * axis.z * axis.y - s * axis.x;
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Result[2][2] = c + (1 - c) * axis.z * axis.z;
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Result[2][3] = 0;
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Result[3] = detail::tvec4<T>(0, 0, 0, 1);
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return m * Result;
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}
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template <typename T>
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inline detail::tmat4x4<T> scale_slow
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(
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detail::tmat4x4<T> const & m,
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detail::tvec3<T> const & v
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)
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{
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detail::tmat4x4<T> Result(T(1));
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Result[0][0] = v.x;
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Result[1][1] = v.y;
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Result[2][2] = v.z;
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return m * Result;
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}
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template <typename valType>
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inline detail::tmat4x4<valType> ortho(
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valType const & left,
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valType const & right,
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valType const & bottom,
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valType const & top,
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valType const & zNear,
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valType const & zFar)
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{
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detail::tmat4x4<valType> Result(1);
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Result[0][0] = valType(2) / (right - left);
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Result[1][1] = valType(2) / (top - bottom);
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Result[2][2] = - valType(2) / (zFar - zNear);
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Result[3][0] = - (right + left) / (right - left);
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Result[3][1] = - (top + bottom) / (top - bottom);
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Result[3][2] = - (zFar + zNear) / (zFar - zNear);
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return Result;
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}
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template <typename valType>
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inline detail::tmat4x4<valType> frustum(
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valType const & left,
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valType const & right,
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valType const & bottom,
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valType const & top,
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valType const & nearVal,
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valType const & farVal)
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{
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detail::tmat4x4<valType> Result(0);
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Result[0][0] = (valType(2) * nearVal) / (right - left);
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Result[1][1] = (valType(2) * nearVal) / (top - bottom);
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Result[2][0] = (right + left) / (right - left);
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Result[2][1] = (top + bottom) / (top - bottom);
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Result[2][2] = -(farVal + nearVal) / (farVal - nearVal);
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Result[2][3] = valType(-1);
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Result[3][2] = -(valType(2) * farVal * nearVal) / (farVal - nearVal);
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return Result;
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}
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}//namespace gl_replacement
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}//namespace gl_replacement
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}//namespace gtc
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}//namespace gtc
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@ -29,50 +29,6 @@ namespace glm
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{
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{
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using namespace gtc::gl_replacement;
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using namespace gtc::gl_replacement;
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//! Creates a matrix for projecting two-dimensional coordinates onto the screen.
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//! From GLM_GTC_glu_replacement extension.
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template <typename T>
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detail::tmat4x4<T> ortho(
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T const & left,
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T const & right,
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T const & bottom,
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T const & top);
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//! Creates a matrix for a symetric perspective-view frustum.
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//! From GLM_GTC_glu_replacement extension.
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template <typename T>
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detail::tmat4x4<T> perspective(
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T const & fovy,
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T const & aspect,
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T const & zNear,
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T const & zFar);
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//! Map the specified object coordinates (obj.x, obj.y, obj.z) into window coordinates.
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//! From GLM_GTC_glu_replacement extension.
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template <typename T, typename U>
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detail::tvec3<T> project(
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detail::tvec3<T> const & obj,
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detail::tmat4x4<T> const & model,
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detail::tmat4x4<T> const & proj,
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detail::tvec4<U> const & viewport);
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//! Map the specified window coordinates (win.x, win.y, win.z) into object coordinates.
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//! From GLM_GTC_glu_replacement extension.
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template <typename T, typename U>
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detail::tvec3<T> unProject(
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detail::tvec3<T> const & win,
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detail::tmat4x4<T> const & model,
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detail::tmat4x4<T> const & proj,
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detail::tvec4<U> const & viewport);
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//! Build a look at view matrix.
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//! From GLM_GTC_glu_replacement extension.
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template <typename T>
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detail::tmat4x4<T> lookAt(
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detail::tvec3<T> const & eye,
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detail::tvec3<T> const & center,
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detail::tvec3<T> const & up);
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}//namespace glu_replacement
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}//namespace glu_replacement
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}//namespace gtc
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}//namespace gtc
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}//namespace glm
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}//namespace glm
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@ -11,111 +11,7 @@ namespace glm{
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namespace gtc{
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namespace gtc{
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namespace glu_replacement
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namespace glu_replacement
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{
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{
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template <typename valType>
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inline detail::tmat4x4<valType> ortho(
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valType const & left,
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valType const & right,
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valType const & bottom,
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valType const & top)
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{
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detail::tmat4x4<valType> Result(1);
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Result[0][0] = valType(2) / (right - left);
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Result[1][1] = valType(2) / (top - bottom);
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Result[2][2] = - valType(1);
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Result[3][0] = - (right + left) / (right - left);
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Result[3][1] = - (top + bottom) / (top - bottom);
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return Result;
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}
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|
|
||||||
template <typename valType>
|
|
||||||
inline detail::tmat4x4<valType> perspective(
|
|
||||||
valType const & fovy,
|
|
||||||
valType const & aspect,
|
|
||||||
valType const & zNear,
|
|
||||||
valType const & zFar)
|
|
||||||
{
|
|
||||||
valType range = tan(radians(fovy / valType(2))) * zNear;
|
|
||||||
valType left = -range * aspect;
|
|
||||||
valType right = range * aspect;
|
|
||||||
valType bottom = -range;
|
|
||||||
valType top = range;
|
|
||||||
|
|
||||||
detail::tmat4x4<valType> Result(valType(0));
|
|
||||||
Result[0][0] = (valType(2) * zNear) / (right - left);
|
|
||||||
Result[1][1] = (valType(2) * zNear) / (top - bottom);
|
|
||||||
Result[2][2] = - (zFar + zNear) / (zFar - zNear);
|
|
||||||
Result[2][3] = - valType(1);
|
|
||||||
Result[3][2] = - (valType(2) * zFar * zNear) / (zFar - zNear);
|
|
||||||
return Result;
|
|
||||||
}
|
|
||||||
|
|
||||||
template <typename T, typename U>
|
|
||||||
inline detail::tvec3<T> project(
|
|
||||||
detail::tvec3<T> const & obj,
|
|
||||||
detail::tmat4x4<T> const & model,
|
|
||||||
detail::tmat4x4<T> const & proj,
|
|
||||||
detail::tvec4<U> const & viewport)
|
|
||||||
{
|
|
||||||
detail::tvec4<T> tmp = detail::tvec4<T>(obj, T(1));
|
|
||||||
tmp = model * tmp;
|
|
||||||
tmp = proj * tmp;
|
|
||||||
|
|
||||||
tmp /= tmp.w;
|
|
||||||
tmp = tmp * T(0.5) + T(0.5);
|
|
||||||
tmp[0] = tmp[0] * T(viewport[2]) + T(viewport[0]);
|
|
||||||
tmp[1] = tmp[1] * T(viewport[3]) + T(viewport[1]);
|
|
||||||
|
|
||||||
return detail::tvec3<T>(tmp);
|
|
||||||
}
|
|
||||||
|
|
||||||
template <typename T, typename U>
|
|
||||||
inline detail::tvec3<T> unProject(
|
|
||||||
detail::tvec3<T> const & win,
|
|
||||||
detail::tmat4x4<T> const & model,
|
|
||||||
detail::tmat4x4<T> const & proj,
|
|
||||||
detail::tvec4<U> const & viewport)
|
|
||||||
{
|
|
||||||
detail::tmat4x4<T> inverse = glm::inverse(proj * model);
|
|
||||||
|
|
||||||
detail::tvec4<T> tmp = detail::tvec4<T>(win, T(1));
|
|
||||||
tmp.x = (tmp.x - T(viewport[0])) / T(viewport[2]);
|
|
||||||
tmp.y = (tmp.y - T(viewport[1])) / T(viewport[3]);
|
|
||||||
tmp = tmp * T(2) - T(1);
|
|
||||||
|
|
||||||
detail::tvec4<T> obj = inverse * tmp;
|
|
||||||
obj /= obj.w;
|
|
||||||
|
|
||||||
return detail::tvec3<T>(obj);
|
|
||||||
}
|
|
||||||
|
|
||||||
template <typename T>
|
|
||||||
inline detail::tmat4x4<T> lookAt(
|
|
||||||
const detail::tvec3<T>& eye,
|
|
||||||
const detail::tvec3<T>& center,
|
|
||||||
const detail::tvec3<T>& up)
|
|
||||||
{
|
|
||||||
detail::tvec3<T> f = normalize(center - eye);
|
|
||||||
detail::tvec3<T> u = normalize(up);
|
|
||||||
detail::tvec3<T> s = normalize(cross(f, u));
|
|
||||||
u = cross(s, f);
|
|
||||||
|
|
||||||
detail::tmat4x4<T> Result(1);
|
|
||||||
Result[0][0] = s.x;
|
|
||||||
Result[1][0] = s.y;
|
|
||||||
Result[2][0] = s.z;
|
|
||||||
Result[0][1] = u.x;
|
|
||||||
Result[1][1] = u.y;
|
|
||||||
Result[2][1] = u.z;
|
|
||||||
Result[0][2] =-f.x;
|
|
||||||
Result[1][2] =-f.y;
|
|
||||||
Result[2][2] =-f.z;
|
|
||||||
/* Test this instead of translate3D
|
|
||||||
Result[3][0] =-dot(s, eye);
|
|
||||||
Result[3][1] =-dot(y, eye);
|
|
||||||
Result[3][2] = dot(f, eye);
|
|
||||||
*/
|
|
||||||
return gtc::matrix_transform::translate(Result, -eye);
|
|
||||||
}
|
|
||||||
|
|
||||||
}//namespace glu_replacement
|
}//namespace glu_replacement
|
||||||
}//namespace gtc
|
}//namespace gtc
|
||||||
|
|||||||
@ -16,7 +16,6 @@
|
|||||||
|
|
||||||
// Dependency:
|
// Dependency:
|
||||||
#include "../glm.hpp"
|
#include "../glm.hpp"
|
||||||
#include "../gtc/glu_replacement.hpp"
|
|
||||||
|
|
||||||
namespace glm
|
namespace glm
|
||||||
{
|
{
|
||||||
@ -28,7 +27,7 @@ namespace glm
|
|||||||
//! GLM_GTC_matrix_projection: Varius ways to build and operate on projection matrices
|
//! GLM_GTC_matrix_projection: Varius ways to build and operate on projection matrices
|
||||||
namespace matrix_projection
|
namespace matrix_projection
|
||||||
{
|
{
|
||||||
using namespace gtc::glu_replacement;
|
|
||||||
|
|
||||||
}//namespace matrix_projection
|
}//namespace matrix_projection
|
||||||
}//namespace gtc
|
}//namespace gtc
|
||||||
|
|||||||
@ -12,7 +12,6 @@ namespace gtc{
|
|||||||
namespace matrix_projection
|
namespace matrix_projection
|
||||||
{
|
{
|
||||||
|
|
||||||
|
|
||||||
}//namespace matrix_projection
|
}//namespace matrix_projection
|
||||||
}//namespace gtc
|
}//namespace gtc
|
||||||
}//namespace glm
|
}//namespace glm
|
||||||
|
|||||||
@ -28,7 +28,93 @@ namespace glm
|
|||||||
//! GLM_GTC_matrix_transform extension: Add transformation matrices
|
//! GLM_GTC_matrix_transform extension: Add transformation matrices
|
||||||
namespace matrix_transform
|
namespace matrix_transform
|
||||||
{
|
{
|
||||||
using namespace gtc::gl_replacement;
|
//! Builds a translation 4 * 4 matrix created from a vector of 3 components.
|
||||||
|
//! From GLM_GTC_matrix_transform extension.
|
||||||
|
template <typename T>
|
||||||
|
detail::tmat4x4<T> translate(
|
||||||
|
detail::tmat4x4<T> const & m,
|
||||||
|
detail::tvec3<T> const & v);
|
||||||
|
|
||||||
|
//! Builds a rotation 4 * 4 matrix created from an axis vector and an angle expressed in degrees.
|
||||||
|
//! From GLM_GTC_matrix_transform extension.
|
||||||
|
template <typename T>
|
||||||
|
detail::tmat4x4<T> rotate(
|
||||||
|
detail::tmat4x4<T> const & m,
|
||||||
|
T const & angle,
|
||||||
|
detail::tvec3<T> const & v);
|
||||||
|
|
||||||
|
//! Builds a scale 4 * 4 matrix created from 3 scalars.
|
||||||
|
//! From GLM_GTC_matrix_transform extension.
|
||||||
|
template <typename T>
|
||||||
|
detail::tmat4x4<T> scale(
|
||||||
|
detail::tmat4x4<T> const & m,
|
||||||
|
detail::tvec3<T> const & v);
|
||||||
|
|
||||||
|
//! Creates a matrix for an orthographic parallel viewing volume.
|
||||||
|
//! From GLM_GTC_matrix_transform extension.
|
||||||
|
template <typename T>
|
||||||
|
detail::tmat4x4<T> ortho(
|
||||||
|
T const & left,
|
||||||
|
T const & right,
|
||||||
|
T const & bottom,
|
||||||
|
T const & top,
|
||||||
|
T const & zNear,
|
||||||
|
T const & zFar);
|
||||||
|
|
||||||
|
//! Creates a matrix for projecting two-dimensional coordinates onto the screen.
|
||||||
|
//! From GLM_GTC_matrix_transform extension.
|
||||||
|
template <typename T>
|
||||||
|
detail::tmat4x4<T> ortho(
|
||||||
|
T const & left,
|
||||||
|
T const & right,
|
||||||
|
T const & bottom,
|
||||||
|
T const & top);
|
||||||
|
|
||||||
|
//! Creates a frustum matrix.
|
||||||
|
//! From GLM_GTC_matrix_transform extension.
|
||||||
|
template <typename T>
|
||||||
|
detail::tmat4x4<T> frustum(
|
||||||
|
T const & left,
|
||||||
|
T const & right,
|
||||||
|
T const & bottom,
|
||||||
|
T const & top,
|
||||||
|
T const & nearVal,
|
||||||
|
T const & farVal);
|
||||||
|
|
||||||
|
//! Creates a matrix for a symetric perspective-view frustum.
|
||||||
|
//! From GLM_GTC_matrix_transform extension.
|
||||||
|
template <typename T>
|
||||||
|
detail::tmat4x4<T> perspective(
|
||||||
|
T const & fovy,
|
||||||
|
T const & aspect,
|
||||||
|
T const & zNear,
|
||||||
|
T const & zFar);
|
||||||
|
|
||||||
|
//! Map the specified object coordinates (obj.x, obj.y, obj.z) into window coordinates.
|
||||||
|
//! From GLM_GTC_glu_replacement extension.
|
||||||
|
template <typename T, typename U>
|
||||||
|
detail::tvec3<T> project(
|
||||||
|
detail::tvec3<T> const & obj,
|
||||||
|
detail::tmat4x4<T> const & model,
|
||||||
|
detail::tmat4x4<T> const & proj,
|
||||||
|
detail::tvec4<U> const & viewport);
|
||||||
|
|
||||||
|
//! Map the specified window coordinates (win.x, win.y, win.z) into object coordinates.
|
||||||
|
//! From GLM_GTC_glu_replacement extension.
|
||||||
|
template <typename T, typename U>
|
||||||
|
detail::tvec3<T> unProject(
|
||||||
|
detail::tvec3<T> const & win,
|
||||||
|
detail::tmat4x4<T> const & model,
|
||||||
|
detail::tmat4x4<T> const & proj,
|
||||||
|
detail::tvec4<U> const & viewport);
|
||||||
|
|
||||||
|
//! Build a look at view matrix.
|
||||||
|
//! From GLM_GTC_matrix_transform extension.
|
||||||
|
template <typename T>
|
||||||
|
detail::tmat4x4<T> lookAt(
|
||||||
|
detail::tvec3<T> const & eye,
|
||||||
|
detail::tvec3<T> const & center,
|
||||||
|
detail::tvec3<T> const & up);
|
||||||
|
|
||||||
}//namespace matrix_transform
|
}//namespace matrix_transform
|
||||||
}//namespace gtc
|
}//namespace gtc
|
||||||
|
|||||||
@ -11,7 +11,282 @@ namespace glm{
|
|||||||
namespace gtc{
|
namespace gtc{
|
||||||
namespace matrix_transform
|
namespace matrix_transform
|
||||||
{
|
{
|
||||||
|
template <typename T>
|
||||||
|
inline detail::tmat4x4<T> translate
|
||||||
|
(
|
||||||
|
detail::tmat4x4<T> const & m,
|
||||||
|
detail::tvec3<T> const & v
|
||||||
|
)
|
||||||
|
{
|
||||||
|
detail::tmat4x4<T> Result(m);
|
||||||
|
Result[3] = m[0] * v[0] + m[1] * v[1] + m[2] * v[2] + m[3];
|
||||||
|
return Result;
|
||||||
|
}
|
||||||
|
|
||||||
|
template <typename T>
|
||||||
|
inline detail::tmat4x4<T> rotate
|
||||||
|
(
|
||||||
|
detail::tmat4x4<T> const & m,
|
||||||
|
T const & angle,
|
||||||
|
detail::tvec3<T> const & v
|
||||||
|
)
|
||||||
|
{
|
||||||
|
T a = radians(angle);
|
||||||
|
T c = cos(a);
|
||||||
|
T s = sin(a);
|
||||||
|
|
||||||
|
detail::tvec3<T> axis = normalize(v);
|
||||||
|
|
||||||
|
detail::tvec3<T> temp = (T(1) - c) * axis;
|
||||||
|
|
||||||
|
detail::tmat4x4<T> Rotate(detail::tmat4x4<T>::null);
|
||||||
|
Rotate[0][0] = c + temp[0] * axis[0];
|
||||||
|
Rotate[0][1] = 0 + temp[0] * axis[1] + s * axis[2];
|
||||||
|
Rotate[0][2] = 0 + temp[0] * axis[2] - s * axis[1];
|
||||||
|
|
||||||
|
Rotate[1][0] = 0 + temp[1] * axis[0] - s * axis[2];
|
||||||
|
Rotate[1][1] = c + temp[1] * axis[1];
|
||||||
|
Rotate[1][2] = 0 + temp[1] * axis[2] + s * axis[0];
|
||||||
|
|
||||||
|
Rotate[2][0] = 0 + temp[2] * axis[0] + s * axis[1];
|
||||||
|
Rotate[2][1] = 0 + temp[2] * axis[1] - s * axis[0];
|
||||||
|
Rotate[2][2] = c + temp[2] * axis[2];
|
||||||
|
|
||||||
|
detail::tmat4x4<T> Result(detail::tmat4x4<T>::null);
|
||||||
|
Result[0] = m[0] * Rotate[0][0] + m[1] * Rotate[0][1] + m[2] * Rotate[0][2];
|
||||||
|
Result[1] = m[0] * Rotate[1][0] + m[1] * Rotate[1][1] + m[2] * Rotate[1][2];
|
||||||
|
Result[2] = m[0] * Rotate[2][0] + m[1] * Rotate[2][1] + m[2] * Rotate[2][2];
|
||||||
|
Result[3] = m[3];
|
||||||
|
return Result;
|
||||||
|
}
|
||||||
|
|
||||||
|
template <typename T>
|
||||||
|
inline detail::tmat4x4<T> scale
|
||||||
|
(
|
||||||
|
detail::tmat4x4<T> const & m,
|
||||||
|
detail::tvec3<T> const & v
|
||||||
|
)
|
||||||
|
{
|
||||||
|
detail::tmat4x4<T> Result(detail::tmat4x4<T>::null);
|
||||||
|
Result[0] = m[0] * v[0];
|
||||||
|
Result[1] = m[1] * v[1];
|
||||||
|
Result[2] = m[2] * v[2];
|
||||||
|
Result[3] = m[3];
|
||||||
|
return Result;
|
||||||
|
}
|
||||||
|
|
||||||
|
template <typename T>
|
||||||
|
inline detail::tmat4x4<T> translate_slow
|
||||||
|
(
|
||||||
|
detail::tmat4x4<T> const & m,
|
||||||
|
detail::tvec3<T> const & v
|
||||||
|
)
|
||||||
|
{
|
||||||
|
detail::tmat4x4<T> Result(T(1));
|
||||||
|
Result[3] = detail::tvec4<T>(v, T(1));
|
||||||
|
return m * Result;
|
||||||
|
|
||||||
|
//detail::tmat4x4<valType> Result(m);
|
||||||
|
Result[3] = m[0] * v[0] + m[1] * v[1] + m[2] * v[2] + m[3];
|
||||||
|
//Result[3][0] = m[0][0] * v[0] + m[1][0] * v[1] + m[2][0] * v[2] + m[3][0];
|
||||||
|
//Result[3][1] = m[0][1] * v[0] + m[1][1] * v[1] + m[2][1] * v[2] + m[3][1];
|
||||||
|
//Result[3][2] = m[0][2] * v[0] + m[1][2] * v[1] + m[2][2] * v[2] + m[3][2];
|
||||||
|
//Result[3][3] = m[0][3] * v[0] + m[1][3] * v[1] + m[2][3] * v[2] + m[3][3];
|
||||||
|
//return Result;
|
||||||
|
}
|
||||||
|
|
||||||
|
template <typename T>
|
||||||
|
inline detail::tmat4x4<T> rotate_slow
|
||||||
|
(
|
||||||
|
detail::tmat4x4<T> const & m,
|
||||||
|
T const & angle,
|
||||||
|
detail::tvec3<T> const & v
|
||||||
|
)
|
||||||
|
{
|
||||||
|
T a = radians(angle);
|
||||||
|
T c = cos(a);
|
||||||
|
T s = sin(a);
|
||||||
|
detail::tmat4x4<T> Result;
|
||||||
|
|
||||||
|
detail::tvec3<T> axis = normalize(v);
|
||||||
|
|
||||||
|
Result[0][0] = c + (1 - c) * axis.x * axis.x;
|
||||||
|
Result[0][1] = (1 - c) * axis.x * axis.y + s * axis.z;
|
||||||
|
Result[0][2] = (1 - c) * axis.x * axis.z - s * axis.y;
|
||||||
|
Result[0][3] = 0;
|
||||||
|
|
||||||
|
Result[1][0] = (1 - c) * axis.y * axis.x - s * axis.z;
|
||||||
|
Result[1][1] = c + (1 - c) * axis.y * axis.y;
|
||||||
|
Result[1][2] = (1 - c) * axis.y * axis.z + s * axis.x;
|
||||||
|
Result[1][3] = 0;
|
||||||
|
|
||||||
|
Result[2][0] = (1 - c) * axis.z * axis.x + s * axis.y;
|
||||||
|
Result[2][1] = (1 - c) * axis.z * axis.y - s * axis.x;
|
||||||
|
Result[2][2] = c + (1 - c) * axis.z * axis.z;
|
||||||
|
Result[2][3] = 0;
|
||||||
|
|
||||||
|
Result[3] = detail::tvec4<T>(0, 0, 0, 1);
|
||||||
|
return m * Result;
|
||||||
|
}
|
||||||
|
|
||||||
|
template <typename T>
|
||||||
|
inline detail::tmat4x4<T> scale_slow
|
||||||
|
(
|
||||||
|
detail::tmat4x4<T> const & m,
|
||||||
|
detail::tvec3<T> const & v
|
||||||
|
)
|
||||||
|
{
|
||||||
|
detail::tmat4x4<T> Result(T(1));
|
||||||
|
Result[0][0] = v.x;
|
||||||
|
Result[1][1] = v.y;
|
||||||
|
Result[2][2] = v.z;
|
||||||
|
return m * Result;
|
||||||
|
}
|
||||||
|
|
||||||
|
template <typename valType>
|
||||||
|
inline detail::tmat4x4<valType> ortho(
|
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|
valType const & left,
|
||||||
|
valType const & right,
|
||||||
|
valType const & bottom,
|
||||||
|
valType const & top,
|
||||||
|
valType const & zNear,
|
||||||
|
valType const & zFar)
|
||||||
|
{
|
||||||
|
detail::tmat4x4<valType> Result(1);
|
||||||
|
Result[0][0] = valType(2) / (right - left);
|
||||||
|
Result[1][1] = valType(2) / (top - bottom);
|
||||||
|
Result[2][2] = - valType(2) / (zFar - zNear);
|
||||||
|
Result[3][0] = - (right + left) / (right - left);
|
||||||
|
Result[3][1] = - (top + bottom) / (top - bottom);
|
||||||
|
Result[3][2] = - (zFar + zNear) / (zFar - zNear);
|
||||||
|
return Result;
|
||||||
|
}
|
||||||
|
|
||||||
|
template <typename valType>
|
||||||
|
inline detail::tmat4x4<valType> ortho(
|
||||||
|
valType const & left,
|
||||||
|
valType const & right,
|
||||||
|
valType const & bottom,
|
||||||
|
valType const & top)
|
||||||
|
{
|
||||||
|
detail::tmat4x4<valType> Result(1);
|
||||||
|
Result[0][0] = valType(2) / (right - left);
|
||||||
|
Result[1][1] = valType(2) / (top - bottom);
|
||||||
|
Result[2][2] = - valType(1);
|
||||||
|
Result[3][0] = - (right + left) / (right - left);
|
||||||
|
Result[3][1] = - (top + bottom) / (top - bottom);
|
||||||
|
return Result;
|
||||||
|
}
|
||||||
|
|
||||||
|
template <typename valType>
|
||||||
|
inline detail::tmat4x4<valType> frustum(
|
||||||
|
valType const & left,
|
||||||
|
valType const & right,
|
||||||
|
valType const & bottom,
|
||||||
|
valType const & top,
|
||||||
|
valType const & nearVal,
|
||||||
|
valType const & farVal)
|
||||||
|
{
|
||||||
|
detail::tmat4x4<valType> Result(0);
|
||||||
|
Result[0][0] = (valType(2) * nearVal) / (right - left);
|
||||||
|
Result[1][1] = (valType(2) * nearVal) / (top - bottom);
|
||||||
|
Result[2][0] = (right + left) / (right - left);
|
||||||
|
Result[2][1] = (top + bottom) / (top - bottom);
|
||||||
|
Result[2][2] = -(farVal + nearVal) / (farVal - nearVal);
|
||||||
|
Result[2][3] = valType(-1);
|
||||||
|
Result[3][2] = -(valType(2) * farVal * nearVal) / (farVal - nearVal);
|
||||||
|
return Result;
|
||||||
|
}
|
||||||
|
|
||||||
|
template <typename valType>
|
||||||
|
inline detail::tmat4x4<valType> perspective(
|
||||||
|
valType const & fovy,
|
||||||
|
valType const & aspect,
|
||||||
|
valType const & zNear,
|
||||||
|
valType const & zFar)
|
||||||
|
{
|
||||||
|
valType range = tan(radians(fovy / valType(2))) * zNear;
|
||||||
|
valType left = -range * aspect;
|
||||||
|
valType right = range * aspect;
|
||||||
|
valType bottom = -range;
|
||||||
|
valType top = range;
|
||||||
|
|
||||||
|
detail::tmat4x4<valType> Result(valType(0));
|
||||||
|
Result[0][0] = (valType(2) * zNear) / (right - left);
|
||||||
|
Result[1][1] = (valType(2) * zNear) / (top - bottom);
|
||||||
|
Result[2][2] = - (zFar + zNear) / (zFar - zNear);
|
||||||
|
Result[2][3] = - valType(1);
|
||||||
|
Result[3][2] = - (valType(2) * zFar * zNear) / (zFar - zNear);
|
||||||
|
return Result;
|
||||||
|
}
|
||||||
|
|
||||||
|
template <typename T, typename U>
|
||||||
|
inline detail::tvec3<T> project(
|
||||||
|
detail::tvec3<T> const & obj,
|
||||||
|
detail::tmat4x4<T> const & model,
|
||||||
|
detail::tmat4x4<T> const & proj,
|
||||||
|
detail::tvec4<U> const & viewport)
|
||||||
|
{
|
||||||
|
detail::tvec4<T> tmp = detail::tvec4<T>(obj, T(1));
|
||||||
|
tmp = model * tmp;
|
||||||
|
tmp = proj * tmp;
|
||||||
|
|
||||||
|
tmp /= tmp.w;
|
||||||
|
tmp = tmp * T(0.5) + T(0.5);
|
||||||
|
tmp[0] = tmp[0] * T(viewport[2]) + T(viewport[0]);
|
||||||
|
tmp[1] = tmp[1] * T(viewport[3]) + T(viewport[1]);
|
||||||
|
|
||||||
|
return detail::tvec3<T>(tmp);
|
||||||
|
}
|
||||||
|
|
||||||
|
template <typename T, typename U>
|
||||||
|
inline detail::tvec3<T> unProject(
|
||||||
|
detail::tvec3<T> const & win,
|
||||||
|
detail::tmat4x4<T> const & model,
|
||||||
|
detail::tmat4x4<T> const & proj,
|
||||||
|
detail::tvec4<U> const & viewport)
|
||||||
|
{
|
||||||
|
detail::tmat4x4<T> inverse = glm::inverse(proj * model);
|
||||||
|
|
||||||
|
detail::tvec4<T> tmp = detail::tvec4<T>(win, T(1));
|
||||||
|
tmp.x = (tmp.x - T(viewport[0])) / T(viewport[2]);
|
||||||
|
tmp.y = (tmp.y - T(viewport[1])) / T(viewport[3]);
|
||||||
|
tmp = tmp * T(2) - T(1);
|
||||||
|
|
||||||
|
detail::tvec4<T> obj = inverse * tmp;
|
||||||
|
obj /= obj.w;
|
||||||
|
|
||||||
|
return detail::tvec3<T>(obj);
|
||||||
|
}
|
||||||
|
|
||||||
|
template <typename T>
|
||||||
|
inline detail::tmat4x4<T> lookAt(
|
||||||
|
const detail::tvec3<T>& eye,
|
||||||
|
const detail::tvec3<T>& center,
|
||||||
|
const detail::tvec3<T>& up)
|
||||||
|
{
|
||||||
|
detail::tvec3<T> f = normalize(center - eye);
|
||||||
|
detail::tvec3<T> u = normalize(up);
|
||||||
|
detail::tvec3<T> s = normalize(cross(f, u));
|
||||||
|
u = cross(s, f);
|
||||||
|
|
||||||
|
detail::tmat4x4<T> Result(1);
|
||||||
|
Result[0][0] = s.x;
|
||||||
|
Result[1][0] = s.y;
|
||||||
|
Result[2][0] = s.z;
|
||||||
|
Result[0][1] = u.x;
|
||||||
|
Result[1][1] = u.y;
|
||||||
|
Result[2][1] = u.z;
|
||||||
|
Result[0][2] =-f.x;
|
||||||
|
Result[1][2] =-f.y;
|
||||||
|
Result[2][2] =-f.z;
|
||||||
|
/* Test this instead of translate3D
|
||||||
|
Result[3][0] =-dot(s, eye);
|
||||||
|
Result[3][1] =-dot(y, eye);
|
||||||
|
Result[3][2] = dot(f, eye);
|
||||||
|
*/
|
||||||
|
return gtc::matrix_transform::translate(Result, -eye);
|
||||||
|
}
|
||||||
}//namespace matrix_transform
|
}//namespace matrix_transform
|
||||||
}//namespace gtc
|
}//namespace gtc
|
||||||
}//namespace glm
|
}//namespace glm
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user