diff options
Diffstat (limited to 'indra/llmath/v3dmath.cpp')
| -rw-r--r-- | indra/llmath/v3dmath.cpp | 294 |
1 files changed, 147 insertions, 147 deletions
diff --git a/indra/llmath/v3dmath.cpp b/indra/llmath/v3dmath.cpp index cc7121da38..faa877a5cb 100644 --- a/indra/llmath/v3dmath.cpp +++ b/indra/llmath/v3dmath.cpp @@ -1,147 +1,147 @@ -/** - * @file v3dmath.cpp - * @brief LLVector3d class implementation. - * - * $LicenseInfo:firstyear=2000&license=viewerlgpl$ - * Second Life Viewer Source Code - * Copyright (C) 2010, Linden Research, Inc. - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; - * version 2.1 of the License only. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * - * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA - * $/LicenseInfo$ - */ - -#include "linden_common.h" - -//#include <sstream> // gcc 2.95.2 doesn't support sstream - -#include "v3dmath.h" - -//#include "vmath.h" -#include "v4math.h" -#include "m4math.h" -#include "m3math.h" -#include "llquaternion.h" -#include "llquantize.h" - -// LLVector3d -// WARNING: Don't use these for global const definitions! -// For example: -// const LLQuaternion(0.5f * F_PI, LLVector3d::zero); -// at the top of a *.cpp file might not give you what you think. -const LLVector3d LLVector3d::zero(0,0,0); -const LLVector3d LLVector3d::x_axis(1, 0, 0); -const LLVector3d LLVector3d::y_axis(0, 1, 0); -const LLVector3d LLVector3d::z_axis(0, 0, 1); -const LLVector3d LLVector3d::x_axis_neg(-1, 0, 0); -const LLVector3d LLVector3d::y_axis_neg(0, -1, 0); -const LLVector3d LLVector3d::z_axis_neg(0, 0, -1); - - -// Clamps each values to range (min,max). -// Returns true if data changed. -bool LLVector3d::clamp(F64 min, F64 max) -{ - bool ret{ false }; - - if (mdV[0] < min) { mdV[0] = min; ret = true; } - if (mdV[1] < min) { mdV[1] = min; ret = true; } - if (mdV[2] < min) { mdV[2] = min; ret = true; } - - if (mdV[0] > max) { mdV[0] = max; ret = true; } - if (mdV[1] > max) { mdV[1] = max; ret = true; } - if (mdV[2] > max) { mdV[2] = max; ret = true; } - - return ret; -} - -// Sets all values to absolute value of their original values -// Returns true if data changed -bool LLVector3d::abs() -{ - bool ret{ false }; - - if (mdV[0] < 0.0) { mdV[0] = -mdV[0]; ret = true; } - if (mdV[1] < 0.0) { mdV[1] = -mdV[1]; ret = true; } - if (mdV[2] < 0.0) { mdV[2] = -mdV[2]; ret = true; } - - return ret; -} - -std::ostream& operator<<(std::ostream& s, const LLVector3d &a) -{ - s << "{ " << a.mdV[VX] << ", " << a.mdV[VY] << ", " << a.mdV[VZ] << " }"; - return s; -} - -const LLVector3d& LLVector3d::operator=(const LLVector4 &a) -{ - mdV[0] = a.mV[0]; - mdV[1] = a.mV[1]; - mdV[2] = a.mV[2]; - return *this; -} - -const LLVector3d& LLVector3d::rotVec(const LLMatrix3 &mat) -{ - *this = *this * mat; - return *this; -} - -const LLVector3d& LLVector3d::rotVec(const LLQuaternion &q) -{ - *this = *this * q; - return *this; -} - -const LLVector3d& LLVector3d::rotVec(F64 angle, const LLVector3d &vec) -{ - if ( !vec.isExactlyZero() && angle ) - { - *this = *this * LLMatrix3((F32)angle, vec); - } - return *this; -} - -const LLVector3d& LLVector3d::rotVec(F64 angle, F64 x, F64 y, F64 z) -{ - LLVector3d vec(x, y, z); - if ( !vec.isExactlyZero() && angle ) - { - *this = *this * LLMatrix3((F32)angle, vec); - } - return *this; -} - - -bool LLVector3d::parseVector3d(const std::string& buf, LLVector3d* value) -{ - if( buf.empty() || value == nullptr) - { - return false; - } - - LLVector3d v; - S32 count = sscanf( buf.c_str(), "%lf %lf %lf", v.mdV + 0, v.mdV + 1, v.mdV + 2 ); - if( 3 == count ) - { - value->setVec( v ); - return true; - } - - return false; -} - +/**
+ * @file v3dmath.cpp
+ * @brief LLVector3d class implementation.
+ *
+ * $LicenseInfo:firstyear=2000&license=viewerlgpl$
+ * Second Life Viewer Source Code
+ * Copyright (C) 2010, Linden Research, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License only.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
+ * $/LicenseInfo$
+ */
+
+#include "linden_common.h"
+
+//#include <sstream> // gcc 2.95.2 doesn't support sstream
+
+#include "v3dmath.h"
+
+//#include "vmath.h"
+#include "v4math.h"
+#include "m4math.h"
+#include "m3math.h"
+#include "llquaternion.h"
+#include "llquantize.h"
+
+// LLVector3d
+// WARNING: Don't use these for global const definitions!
+// For example:
+// const LLQuaternion(0.5f * F_PI, LLVector3d::zero);
+// at the top of a *.cpp file might not give you what you think.
+const LLVector3d LLVector3d::zero(0,0,0);
+const LLVector3d LLVector3d::x_axis(1, 0, 0);
+const LLVector3d LLVector3d::y_axis(0, 1, 0);
+const LLVector3d LLVector3d::z_axis(0, 0, 1);
+const LLVector3d LLVector3d::x_axis_neg(-1, 0, 0);
+const LLVector3d LLVector3d::y_axis_neg(0, -1, 0);
+const LLVector3d LLVector3d::z_axis_neg(0, 0, -1);
+
+
+// Clamps each values to range (min,max).
+// Returns true if data changed.
+bool LLVector3d::clamp(F64 min, F64 max)
+{
+ bool ret{ false };
+
+ if (mdV[0] < min) { mdV[0] = min; ret = true; }
+ if (mdV[1] < min) { mdV[1] = min; ret = true; }
+ if (mdV[2] < min) { mdV[2] = min; ret = true; }
+
+ if (mdV[0] > max) { mdV[0] = max; ret = true; }
+ if (mdV[1] > max) { mdV[1] = max; ret = true; }
+ if (mdV[2] > max) { mdV[2] = max; ret = true; }
+
+ return ret;
+}
+
+// Sets all values to absolute value of their original values
+// Returns true if data changed
+bool LLVector3d::abs()
+{
+ bool ret{ false };
+
+ if (mdV[0] < 0.0) { mdV[0] = -mdV[0]; ret = true; }
+ if (mdV[1] < 0.0) { mdV[1] = -mdV[1]; ret = true; }
+ if (mdV[2] < 0.0) { mdV[2] = -mdV[2]; ret = true; }
+
+ return ret;
+}
+
+std::ostream& operator<<(std::ostream& s, const LLVector3d &a)
+{
+ s << "{ " << a.mdV[VX] << ", " << a.mdV[VY] << ", " << a.mdV[VZ] << " }";
+ return s;
+}
+
+const LLVector3d& LLVector3d::operator=(const LLVector4 &a)
+{
+ mdV[0] = a.mV[0];
+ mdV[1] = a.mV[1];
+ mdV[2] = a.mV[2];
+ return *this;
+}
+
+const LLVector3d& LLVector3d::rotVec(const LLMatrix3 &mat)
+{
+ *this = *this * mat;
+ return *this;
+}
+
+const LLVector3d& LLVector3d::rotVec(const LLQuaternion &q)
+{
+ *this = *this * q;
+ return *this;
+}
+
+const LLVector3d& LLVector3d::rotVec(F64 angle, const LLVector3d &vec)
+{
+ if ( !vec.isExactlyZero() && angle )
+ {
+ *this = *this * LLMatrix3((F32)angle, vec);
+ }
+ return *this;
+}
+
+const LLVector3d& LLVector3d::rotVec(F64 angle, F64 x, F64 y, F64 z)
+{
+ LLVector3d vec(x, y, z);
+ if ( !vec.isExactlyZero() && angle )
+ {
+ *this = *this * LLMatrix3((F32)angle, vec);
+ }
+ return *this;
+}
+
+
+bool LLVector3d::parseVector3d(const std::string& buf, LLVector3d* value)
+{
+ if( buf.empty() || value == nullptr)
+ {
+ return false;
+ }
+
+ LLVector3d v;
+ S32 count = sscanf( buf.c_str(), "%lf %lf %lf", v.mdV + 0, v.mdV + 1, v.mdV + 2 );
+ if( 3 == count )
+ {
+ value->setVec( v );
+ return true;
+ }
+
+ return false;
+}
+
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