Merge pull request #3 from saurabhb17/master

secondary files

1 files changed, 154 insertions, 0 deletions

diff --git a/include/gal/opengl/glm/gtx/transform2.inl b/include/gal/opengl/glm/gtx/transform2.inl
new file mode 100644
index 0000000..06b65f5
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/transform2.inl
@@ -0,0 +1,154 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 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
+{
+	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 glm
+