/*
-Copyright (C) 2001-2006, William Joseph.
-All Rights Reserved.
+ Copyright (C) 2001-2006, William Joseph.
+ All Rights Reserved.
-This file is part of GtkRadiant.
+ This file is part of GtkRadiant.
-GtkRadiant is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ GtkRadiant is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
-GtkRadiant 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 General Public License for more details.
+ GtkRadiant 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 General Public License for more details.
-You should have received a copy of the GNU General Public License
-along with GtkRadiant; if not, write to the Free Software
-Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
-*/
+ You should have received a copy of the GNU General Public License
+ along with GtkRadiant; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ */
-#if !defined(INCLUDED_MATH_PLANE_H)
+#if !defined( INCLUDED_MATH_PLANE_H )
#define INCLUDED_MATH_PLANE_H
/// \file
class Plane3
{
public:
- double a, b, c, d;
-
- Plane3()
- {
- }
- Plane3(double _a, double _b, double _c, double _d)
- : a(_a), b(_b), c(_c), d(_d)
- {
- }
- template<typename Element>
- Plane3(const BasicVector3<Element>& normal, double dist)
- : a(normal.x()), b(normal.y()), c(normal.z()), d(dist)
- {
- }
-
- BasicVector3<double>& normal()
- {
- return reinterpret_cast<BasicVector3<double>&>(*this);
- }
- const BasicVector3<double>& normal() const
- {
- return reinterpret_cast<const BasicVector3<double>&>(*this);
- }
- double& dist()
- {
- return d;
- }
- const double& dist() const
- {
- return d;
- }
+double a, b, c, d;
+
+Plane3(){
+}
+Plane3( double _a, double _b, double _c, double _d )
+ : a( _a ), b( _b ), c( _c ), d( _d ){
+}
+template<typename Element>
+Plane3( const BasicVector3<Element>& normal, double dist )
+ : a( normal.x() ), b( normal.y() ), c( normal.z() ), d( dist ){
+}
+
+BasicVector3<double>& normal(){
+ return reinterpret_cast<BasicVector3<double>&>( *this );
+}
+const BasicVector3<double>& normal() const {
+ return reinterpret_cast<const BasicVector3<double>&>( *this );
+}
+double& dist(){
+ return d;
+}
+const double& dist() const {
+ return d;
+}
};
-inline Plane3 plane3_normalised(const Plane3& plane)
-{
- double rmagnitude = 1.0 / sqrt(plane.a * plane.a + plane.b * plane.b + plane.c * plane.c);
- return Plane3(
- plane.a * rmagnitude,
- plane.b * rmagnitude,
- plane.c * rmagnitude,
- plane.d * rmagnitude
- );
+inline Plane3 plane3_normalised( const Plane3& plane ){
+ double rmagnitude = 1.0 / sqrt( plane.a * plane.a + plane.b * plane.b + plane.c * plane.c );
+ return Plane3(
+ plane.a * rmagnitude,
+ plane.b * rmagnitude,
+ plane.c * rmagnitude,
+ plane.d * rmagnitude
+ );
}
-inline Plane3 plane3_translated(const Plane3& plane, const Vector3& translation)
-{
- Plane3 transformed;
- transformed.a = plane.a;
- transformed.b = plane.b;
- transformed.c = plane.c;
- transformed.d = -((-plane.d * transformed.a + translation.x()) * transformed.a +
- (-plane.d * transformed.b + translation.y()) * transformed.b +
- (-plane.d * transformed.c + translation.z()) * transformed.c);
- return transformed;
+inline Plane3 plane3_translated( const Plane3& plane, const Vector3& translation ){
+ Plane3 transformed;
+ transformed.a = plane.a;
+ transformed.b = plane.b;
+ transformed.c = plane.c;
+ transformed.d = -( ( -plane.d * transformed.a + translation.x() ) * transformed.a +
+ ( -plane.d * transformed.b + translation.y() ) * transformed.b +
+ ( -plane.d * transformed.c + translation.z() ) * transformed.c );
+ return transformed;
}
-inline Plane3 plane3_transformed(const Plane3& plane, const Matrix4& transform)
-{
- Plane3 transformed;
- transformed.a = transform[0] * plane.a + transform[4] * plane.b + transform[8] * plane.c;
- transformed.b = transform[1] * plane.a + transform[5] * plane.b + transform[9] * plane.c;
- transformed.c = transform[2] * plane.a + transform[6] * plane.b + transform[10] * plane.c;
- transformed.d = -((-plane.d * transformed.a + transform[12]) * transformed.a +
- (-plane.d * transformed.b + transform[13]) * transformed.b +
- (-plane.d * transformed.c + transform[14]) * transformed.c);
- return transformed;
+inline Plane3 plane3_transformed( const Plane3& plane, const Matrix4& transform ){
+ Plane3 transformed;
+ transformed.a = transform[0] * plane.a + transform[4] * plane.b + transform[8] * plane.c;
+ transformed.b = transform[1] * plane.a + transform[5] * plane.b + transform[9] * plane.c;
+ transformed.c = transform[2] * plane.a + transform[6] * plane.b + transform[10] * plane.c;
+ transformed.d = -( ( -plane.d * transformed.a + transform[12] ) * transformed.a +
+ ( -plane.d * transformed.b + transform[13] ) * transformed.b +
+ ( -plane.d * transformed.c + transform[14] ) * transformed.c );
+ return transformed;
}
-inline Plane3 plane3_inverse_transformed(const Plane3& plane, const Matrix4& transform)
-{
- return Plane3
- (
- transform[ 0] * plane.a + transform[ 1] * plane.b + transform[ 2] * plane.c + transform[ 3] * plane.d,
- transform[ 4] * plane.a + transform[ 5] * plane.b + transform[ 6] * plane.c + transform[ 7] * plane.d,
- transform[ 8] * plane.a + transform[ 9] * plane.b + transform[10] * plane.c + transform[11] * plane.d,
- transform[12] * plane.a + transform[13] * plane.b + transform[14] * plane.c + transform[15] * plane.d
- );
+inline Plane3 plane3_inverse_transformed( const Plane3& plane, const Matrix4& transform ){
+ return Plane3
+ (
+ transform[ 0] * plane.a + transform[ 1] * plane.b + transform[ 2] * plane.c + transform[ 3] * plane.d,
+ transform[ 4] * plane.a + transform[ 5] * plane.b + transform[ 6] * plane.c + transform[ 7] * plane.d,
+ transform[ 8] * plane.a + transform[ 9] * plane.b + transform[10] * plane.c + transform[11] * plane.d,
+ transform[12] * plane.a + transform[13] * plane.b + transform[14] * plane.c + transform[15] * plane.d
+ );
}
-inline Plane3 plane3_flipped(const Plane3& plane)
-{
- return Plane3(vector3_negated(plane.normal()), -plane.dist());
+inline Plane3 plane3_flipped( const Plane3& plane ){
+ return Plane3( vector3_negated( plane.normal() ), -plane.dist() );
}
const double c_PLANE_NORMAL_EPSILON = 0.0001f;
const double c_PLANE_DIST_EPSILON = 0.02;
-inline bool plane3_equal(const Plane3& self, const Plane3& other)
-{
- return vector3_equal_epsilon(self.normal(), other.normal(), c_PLANE_NORMAL_EPSILON)
- && float_equal_epsilon(self.dist(), other.dist(), c_PLANE_DIST_EPSILON);
+inline bool plane3_equal( const Plane3& self, const Plane3& other ){
+ return vector3_equal_epsilon( self.normal(), other.normal(), c_PLANE_NORMAL_EPSILON )
+ && float_equal_epsilon( self.dist(), other.dist(), c_PLANE_DIST_EPSILON );
}
-inline bool plane3_opposing(const Plane3& self, const Plane3& other)
-{
- return plane3_equal(self, plane3_flipped(other));
+inline bool plane3_opposing( const Plane3& self, const Plane3& other ){
+ return plane3_equal( self, plane3_flipped( other ) );
}
-inline bool plane3_valid(const Plane3& self)
-{
- return float_equal_epsilon(vector3_dot(self.normal(), self.normal()), 1.0, 0.01);
+inline bool plane3_valid( const Plane3& self ){
+ return float_equal_epsilon( vector3_dot( self.normal(), self.normal() ), 1.0, 0.01 );
}
template<typename Element>
-inline Plane3 plane3_for_points(const BasicVector3<Element>& p0, const BasicVector3<Element>& p1, const BasicVector3<Element>& p2)
-{
+inline Plane3 plane3_for_points( const BasicVector3<Element>& p0, const BasicVector3<Element>& p1, const BasicVector3<Element>& p2 ){
Plane3 self;
- self.normal() = vector3_normalised(vector3_cross(vector3_subtracted(p1, p0), vector3_subtracted(p2, p0)));
- self.dist() = vector3_dot(p0, self.normal());
+ self.normal() = vector3_normalised( vector3_cross( vector3_subtracted( p1, p0 ), vector3_subtracted( p2, p0 ) ) );
+ self.dist() = vector3_dot( p0, self.normal() );
return self;
}
template<typename Element>
-inline Plane3 plane3_for_points(const BasicVector3<Element> planepts[3])
-{
- return plane3_for_points(planepts[2], planepts[1], planepts[0]);
+inline Plane3 plane3_for_points( const BasicVector3<Element> planepts[3] ){
+ return plane3_for_points( planepts[2], planepts[1], planepts[0] );
}
projects / xonotic / netradiant.git / blobdiff