Merge pull request #3 from saurabhb17/master

secondary files

1 files changed, 244 insertions, 0 deletions

diff --git a/include/gal/opengl/glm/gtx/euler_angles.inl b/include/gal/opengl/glm/gtx/euler_angles.inl
new file mode 100644
index 0000000..a6ca0ab
--- /dev/null
+++ b/include/gal/opengl/glm/gtx/euler_angles.inl
@@ -0,0 +1,244 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// OpenGL Mathematics Copyright (c) 2005 - 2013 G-Truc Creation (www.g-truc.net)
+///////////////////////////////////////////////////////////////////////////////////////////////////
+// Created : 2005-12-21
+// Updated : 2007-08-14
+// Licence : This source is under MIT License
+// File    : glm/gtx/euler_angles.inl
+///////////////////////////////////////////////////////////////////////////////////////////////////
+
+namespace glm
+{
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER detail::tmat4x4<valType> eulerAngleX
+	(
+		valType const & angleX
+	)
+	{
+		valType cosX = glm::cos(angleX);
+		valType sinX = glm::sin(angleX);
+	
+		return detail::tmat4x4<valType>(
+			valType(1), valType(0), valType(0), valType(0),
+			valType(0), cosX,		sinX,		valType(0),
+			valType(0),-sinX,		cosX,		valType(0),
+			valType(0), valType(0), valType(0), valType(1));
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER detail::tmat4x4<valType> eulerAngleY
+	(
+		valType const & angleY
+	)
+	{
+		valType cosY = glm::cos(angleY);
+		valType sinY = glm::sin(angleY);
+
+		return detail::tmat4x4<valType>(
+			cosY,		valType(0),-sinY,		valType(0),
+			valType(0),	valType(1),	valType(0), valType(0),
+			sinY,		valType(0),	cosY,		valType(0),
+			valType(0),	valType(0),	valType(0), valType(1));
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER detail::tmat4x4<valType> eulerAngleZ
+	(
+		valType const & angleZ
+	)
+	{
+		valType cosZ = glm::cos(angleZ); 
+		valType sinZ = glm::sin(angleZ);
+
+		return detail::tmat4x4<valType>(
+			cosZ,		sinZ,		valType(0), valType(0),
+			-sinZ,		cosZ,		valType(0), valType(0),
+			valType(0),	valType(0),	valType(1), valType(0),
+			valType(0),	valType(0),	valType(0), valType(1));
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER detail::tmat4x4<valType> eulerAngleXY
+	(
+		valType const & angleX, 
+		valType const & angleY
+	)
+	{
+		valType cosX = glm::cos(angleX);
+		valType sinX = glm::sin(angleX);
+		valType cosY = glm::cos(angleY);
+		valType sinY = glm::sin(angleY);
+
+		return detail::tmat4x4<valType>(
+			cosY,		-sinX * sinY,	cosX * sinY,	valType(0),
+			valType(0), cosX,			sinX,			valType(0),
+			-sinY ,		-sinX * cosY,	cosX * cosY,	valType(0),
+			valType(0), valType(0),     valType(0),		valType(1));
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER detail::tmat4x4<valType> eulerAngleYX
+	(
+		valType const & angleY, 
+		valType const & angleX
+	)
+	{
+		valType cosX = glm::cos(angleX); 
+		valType sinX = glm::sin(angleX); 
+		valType cosY = glm::cos(angleY); 
+		valType sinY = glm::sin(angleY);
+
+		return detail::tmat4x4<valType>(
+			cosY,			valType(0),		sinY,			valType(0),
+			-sinX * sinY,	cosX,			sinX * cosY,	valType(0),
+			-cosX * sinY,	-sinX,			cosX * cosY,	valType(0),
+			valType(0),		valType(0),		valType(0),		valType(1));
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER detail::tmat4x4<valType> eulerAngleXZ
+	(
+		valType const & angleX, 
+		valType const & angleZ
+	)
+	{
+		return eulerAngleX(angleX) * eulerAngleZ(angleZ);
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER detail::tmat4x4<valType> eulerAngleZX
+	(
+		valType const & angleZ, 
+		valType const & angleX
+	)
+	{
+		return eulerAngleZ(angleZ) * eulerAngleX(angleX);
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER detail::tmat4x4<valType> eulerAngleYXZ
+	(
+		valType const & yaw, 
+		valType const & pitch, 
+		valType const & roll
+	)
+	{
+		valType tmp_ch = glm::cos(yaw);
+		valType tmp_sh = glm::sin(yaw);
+		valType tmp_cp = glm::cos(pitch);
+		valType tmp_sp = glm::sin(pitch);
+		valType tmp_cb = glm::cos(roll);
+		valType tmp_sb = glm::sin(roll);
+
+		detail::tmat4x4<valType> Result;
+		Result[0][0] = tmp_ch * tmp_cb + tmp_sh * tmp_sp * tmp_sb;
+		Result[0][1] = tmp_sb * tmp_cp;
+		Result[0][2] = -tmp_sh * tmp_cb + tmp_ch * tmp_sp * tmp_sb;
+		Result[0][3] = valType(0);
+		Result[1][0] = -tmp_ch * tmp_sb + tmp_sh * tmp_sp * tmp_cb;
+		Result[1][1] = tmp_cb * tmp_cp;
+		Result[1][2] = tmp_sb * tmp_sh + tmp_ch * tmp_sp * tmp_cb;
+		Result[1][3] = valType(0);
+		Result[2][0] = tmp_sh * tmp_cp;
+		Result[2][1] = -tmp_sp;
+		Result[2][2] = tmp_ch * tmp_cp;
+		Result[2][3] = valType(0);
+		Result[3][0] = valType(0);
+		Result[3][1] = valType(0);
+		Result[3][2] = valType(0);
+		Result[3][3] = valType(1);
+		return Result;
+	}
+
+	template <typename valType> 
+	GLM_FUNC_QUALIFIER detail::tmat4x4<valType> yawPitchRoll
+	(
+		valType const & yaw, 
+		valType const & pitch, 
+		valType const & roll
+	)
+	{
+		valType tmp_ch = glm::cos(yaw);
+		valType tmp_sh = glm::sin(yaw);
+		valType tmp_cp = glm::cos(pitch);
+		valType tmp_sp = glm::sin(pitch);
+		valType tmp_cb = glm::cos(roll);
+		valType tmp_sb = glm::sin(roll);
+
+		detail::tmat4x4<valType> Result;
+		Result[0][0] = tmp_ch * tmp_cb + tmp_sh * tmp_sp * tmp_sb;
+		Result[0][1] = tmp_sb * tmp_cp;
+		Result[0][2] = -tmp_sh * tmp_cb + tmp_ch * tmp_sp * tmp_sb;
+		Result[0][3] = valType(0);
+		Result[1][0] = -tmp_ch * tmp_sb + tmp_sh * tmp_sp * tmp_cb;
+		Result[1][1] = tmp_cb * tmp_cp;
+		Result[1][2] = tmp_sb * tmp_sh + tmp_ch * tmp_sp * tmp_cb;
+		Result[1][3] = valType(0);
+		Result[2][0] = tmp_sh * tmp_cp;
+		Result[2][1] = -tmp_sp;
+		Result[2][2] = tmp_ch * tmp_cp;
+		Result[2][3] = valType(0);
+		Result[3][0] = valType(0);
+		Result[3][1] = valType(0);
+		Result[3][2] = valType(0);
+		Result[3][3] = valType(1);
+		return Result;
+	}
+
+	template <typename valType>
+	GLM_FUNC_QUALIFIER detail::tmat2x2<valType> orientate2
+	(
+		valType const & angle
+	)
+	{
+		valType c = glm::cos(angle);
+		valType s = glm::sin(angle);
+
+		detail::tmat2x2<valType> Result;
+		Result[0][0] = c;
+		Result[0][1] = s;
+		Result[1][0] = -s;
+		Result[1][1] = c;
+		return Result;
+	}
+
+	template <typename valType>
+	GLM_FUNC_QUALIFIER detail::tmat3x3<valType> orientate3
+	(
+		valType const & angle
+	)
+	{
+		valType c = glm::cos(angle);
+		valType s = glm::sin(angle);
+
+		detail::tmat3x3<valType> Result;
+		Result[0][0] = c;
+		Result[0][1] = s;
+		Result[0][2] = 0.0f;
+		Result[1][0] = -s;
+		Result[1][1] = c;
+		Result[1][2] = 0.0f;
+		Result[2][0] = 0.0f;
+		Result[2][1] = 0.0f;
+		Result[2][2] = 1.0f;
+		return Result;
+	}
+
+	template <typename valType>
+	GLM_FUNC_QUALIFIER detail::tmat3x3<valType> orientate3
+	(
+		detail::tvec3<valType> const & angles
+	)
+	{
+		return detail::tmat3x3<valType>(yawPitchRoll(angles.x, angles.y, angles.z));
+	}
+
+	template <typename valType>
+	GLM_FUNC_QUALIFIER detail::tmat4x4<valType> orientate4
+	(
+		detail::tvec3<valType> const & angles
+	)
+	{
+		return yawPitchRoll(angles.z, angles.x, angles.y);
+	}
+}//namespace glm