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Diffstat (limited to 'src/glm/gtx/transform2.inl')
| -rw-r--r-- | src/glm/gtx/transform2.inl | 159 |
1 files changed, 159 insertions, 0 deletions
diff --git a/src/glm/gtx/transform2.inl b/src/glm/gtx/transform2.inl new file mode 100644 index 0000000..8b7e4d6 --- /dev/null +++ b/src/glm/gtx/transform2.inl @@ -0,0 +1,159 @@ +///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2011 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2005-02-28
+// Updated : 2005-04-23
+// Licence : This source is under MIT License
+// File : glm/gtx/transform2.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm{
+namespace gtx{
+namespace transform2
+{
+ template <typename T>
+ GLM_FUNC_QUALIFIER detail::tmat3x3<T> shearX2D(
+ const detail::tmat3x3<T>& m,
+ T s)
+ {
+ detail::tmat3x3<T> r(1);
+ r[0][1] = s;
+ return m * r;
+ }
+
+ template <typename T>
+ GLM_FUNC_QUALIFIER detail::tmat3x3<T> shearY2D(
+ const detail::tmat3x3<T>& m,
+ T s)
+ {
+ detail::tmat3x3<T> r(1);
+ r[1][0] = s;
+ return m * r;
+ }
+
+ template <typename T>
+ GLM_FUNC_QUALIFIER detail::tmat4x4<T> shearX3D(
+ const detail::tmat4x4<T>& m,
+ T s,
+ T t)
+ {
+ detail::tmat4x4<T> r(1);
+ r[1][0] = s;
+ r[2][0] = t;
+ return m * r;
+ }
+
+ template <typename T>
+ GLM_FUNC_QUALIFIER detail::tmat4x4<T> shearY3D(
+ const detail::tmat4x4<T>& m,
+ T s,
+ T t)
+ {
+ detail::tmat4x4<T> r(1);
+ r[0][1] = s;
+ r[2][1] = t;
+ return m * r;
+ }
+
+ template <typename T>
+ GLM_FUNC_QUALIFIER detail::tmat4x4<T> shearZ3D(
+ const detail::tmat4x4<T>& m,
+ T s,
+ T t)
+ {
+ detail::tmat4x4<T> r(1);
+ r[0][2] = s;
+ r[1][2] = t;
+ return m * r;
+ }
+
+ template <typename T>
+ GLM_FUNC_QUALIFIER detail::tmat3x3<T> reflect2D(
+ const detail::tmat3x3<T>& m,
+ const detail::tvec3<T>& normal)
+ {
+ detail::tmat3x3<T> r(1);
+ r[0][0] = 1 - 2 * normal.x * normal.x;
+ r[0][1] = -2 * normal.x * normal.y;
+ r[1][0] = -2 * normal.x * normal.y;
+ r[1][1] = 1 - 2 * normal.y * normal.y;
+ return m * r;
+ }
+
+ template <typename T>
+ GLM_FUNC_QUALIFIER detail::tmat4x4<T> reflect3D(
+ const detail::tmat4x4<T>& m,
+ const detail::tvec3<T>& normal)
+ {
+ detail::tmat4x4<T> r(1);
+ r[0][0] = 1 - 2 * normal.x * normal.x;
+ r[0][1] = -2 * normal.x * normal.y;
+ r[0][2] = -2 * normal.x * normal.z;
+
+ r[1][0] = -2 * normal.x * normal.y;
+ r[1][1] = 1 - 2 * normal.y * normal.y;
+ r[1][2] = -2 * normal.y * normal.z;
+
+ r[2][0] = -2 * normal.x * normal.z;
+ r[2][1] = -2 * normal.y * normal.z;
+ r[2][2] = 1 - 2 * normal.z * normal.z;
+ return m * r;
+ }
+
+ template <typename T>
+ GLM_FUNC_QUALIFIER detail::tmat3x3<T> proj2D(
+ const detail::tmat3x3<T>& m,
+ const detail::tvec3<T>& normal)
+ {
+ detail::tmat3x3<T> r(1);
+ r[0][0] = 1 - normal.x * normal.x;
+ r[0][1] = - normal.x * normal.y;
+ r[1][0] = - normal.x * normal.y;
+ r[1][1] = 1 - normal.y * normal.y;
+ return m * r;
+ }
+
+ template <typename T>
+ GLM_FUNC_QUALIFIER detail::tmat4x4<T> proj3D(
+ const detail::tmat4x4<T>& m,
+ const detail::tvec3<T>& normal)
+ {
+ detail::tmat4x4<T> r(1);
+ r[0][0] = 1 - normal.x * normal.x;
+ r[0][1] = - normal.x * normal.y;
+ r[0][2] = - normal.x * normal.z;
+ r[1][0] = - normal.x * normal.y;
+ r[1][1] = 1 - normal.y * normal.y;
+ r[1][2] = - normal.y * normal.z;
+ r[2][0] = - normal.x * normal.z;
+ r[2][1] = - normal.y * normal.z;
+ r[2][2] = 1 - normal.z * normal.z;
+ return m * r;
+ }
+
+ template <typename T>
+ GLM_FUNC_QUALIFIER detail::tmat4x4<T> scaleBias(
+ T scale,
+ T bias)
+ {
+ detail::tmat4x4<T> result;
+ result[3] = detail::tvec4<T>(detail::tvec3<T>(bias), T(1));
+ result[0][0] = scale;
+ result[1][1] = scale;
+ result[2][2] = scale;
+ return result;
+ }
+
+ template <typename T>
+ GLM_FUNC_QUALIFIER detail::tmat4x4<T> scaleBias(
+ const detail::tmat4x4<T>& m,
+ T scale,
+ T bias)
+ {
+ return m * scaleBias(scale, bias);
+ }
+
+}//namespace transform2
+}//namespace gtx
+}//namespace glm
+
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