diff options
Diffstat (limited to 'src/3rdparty/assimp/include/assimp/camera.h')
| -rw-r--r-- | src/3rdparty/assimp/include/assimp/camera.h | 250 |
1 files changed, 125 insertions, 125 deletions
diff --git a/src/3rdparty/assimp/include/assimp/camera.h b/src/3rdparty/assimp/include/assimp/camera.h index 78d3a9e57..37f1bdaa0 100644 --- a/src/3rdparty/assimp/include/assimp/camera.h +++ b/src/3rdparty/assimp/include/assimp/camera.h @@ -3,12 +3,12 @@ Open Asset Import Library (assimp) --------------------------------------------------------------------------- -Copyright (c) 2006-2012, assimp team +Copyright (c) 2006-2016, assimp team All rights reserved. -Redistribution and use of this software in source and binary forms, -with or without modification, are permitted provided that the following +Redistribution and use of this software in source and binary forms, +with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above @@ -25,16 +25,16 @@ conditions are met: derived from this software without specific prior written permission of the assimp team. -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR -A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, -SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, -DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY -THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT -(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. --------------------------------------------------------------------------- */ @@ -53,16 +53,16 @@ extern "C" { #endif // --------------------------------------------------------------------------- -/** Helper structure to describe a virtual camera. +/** Helper structure to describe a virtual camera. * * Cameras have a representation in the node graph and can be animated. * An important aspect is that the camera itself is also part of the - * scenegraph. This means, any values such as the look-at vector are not + * scenegraph. This means, any values such as the look-at vector are not * *absolute*, they're <b>relative</b> to the coordinate system defined * by the node which corresponds to the camera. This allows for camera * animations. For static cameras parameters like the 'look-at' or 'up' vectors * are usually specified directly in aiCamera, but beware, they could also - * be encoded in the node transformation. The following (pseudo)code sample + * be encoded in the node transformation. The following (pseudo)code sample * shows how to do it: <br><br> * @code * // Get the camera matrix for a camera at a specific time @@ -93,124 +93,124 @@ extern "C" { * called "<camName>.Target". However this is just additional information * then the transformation tracks of the camera main node make the * camera already look in the right direction. - * + * */ struct aiCamera { - /** The name of the camera. - * - * There must be a node in the scenegraph with the same name. - * This node specifies the position of the camera in the scene - * hierarchy and can be animated. - */ - C_STRUCT aiString mName; - - /** Position of the camera relative to the coordinate space - * defined by the corresponding node. - * - * The default value is 0|0|0. - */ - C_STRUCT aiVector3D mPosition; - - - /** 'Up' - vector of the camera coordinate system relative to - * the coordinate space defined by the corresponding node. - * - * The 'right' vector of the camera coordinate system is - * the cross product of the up and lookAt vectors. - * The default value is 0|1|0. The vector - * may be normalized, but it needn't. - */ - C_STRUCT aiVector3D mUp; - - - /** 'LookAt' - vector of the camera coordinate system relative to - * the coordinate space defined by the corresponding node. - * - * This is the viewing direction of the user. - * The default value is 0|0|1. The vector - * may be normalized, but it needn't. - */ - C_STRUCT aiVector3D mLookAt; - - - /** Half horizontal field of view angle, in radians. - * - * The field of view angle is the angle between the center - * line of the screen and the left or right border. - * The default value is 1/4PI. - */ - float mHorizontalFOV; - - /** Distance of the near clipping plane from the camera. - * - * The value may not be 0.f (for arithmetic reasons to prevent - * a division through zero). The default value is 0.1f. - */ - float mClipPlaneNear; - - /** Distance of the far clipping plane from the camera. - * - * The far clipping plane must, of course, be further away than the - * near clipping plane. The default value is 1000.f. The ratio - * between the near and the far plane should not be too - * large (between 1000-10000 should be ok) to avoid floating-point - * inaccuracies which could lead to z-fighting. - */ - float mClipPlaneFar; - - - /** Screen aspect ratio. - * - * This is the ration between the width and the height of the - * screen. Typical values are 4/3, 1/2 or 1/1. This value is - * 0 if the aspect ratio is not defined in the source file. - * 0 is also the default value. - */ - float mAspect; + /** The name of the camera. + * + * There must be a node in the scenegraph with the same name. + * This node specifies the position of the camera in the scene + * hierarchy and can be animated. + */ + C_STRUCT aiString mName; + + /** Position of the camera relative to the coordinate space + * defined by the corresponding node. + * + * The default value is 0|0|0. + */ + C_STRUCT aiVector3D mPosition; + + + /** 'Up' - vector of the camera coordinate system relative to + * the coordinate space defined by the corresponding node. + * + * The 'right' vector of the camera coordinate system is + * the cross product of the up and lookAt vectors. + * The default value is 0|1|0. The vector + * may be normalized, but it needn't. + */ + C_STRUCT aiVector3D mUp; + + + /** 'LookAt' - vector of the camera coordinate system relative to + * the coordinate space defined by the corresponding node. + * + * This is the viewing direction of the user. + * The default value is 0|0|1. The vector + * may be normalized, but it needn't. + */ + C_STRUCT aiVector3D mLookAt; + + + /** Half horizontal field of view angle, in radians. + * + * The field of view angle is the angle between the center + * line of the screen and the left or right border. + * The default value is 1/4PI. + */ + float mHorizontalFOV; + + /** Distance of the near clipping plane from the camera. + * + * The value may not be 0.f (for arithmetic reasons to prevent + * a division through zero). The default value is 0.1f. + */ + float mClipPlaneNear; + + /** Distance of the far clipping plane from the camera. + * + * The far clipping plane must, of course, be further away than the + * near clipping plane. The default value is 1000.f. The ratio + * between the near and the far plane should not be too + * large (between 1000-10000 should be ok) to avoid floating-point + * inaccuracies which could lead to z-fighting. + */ + float mClipPlaneFar; + + + /** Screen aspect ratio. + * + * This is the ration between the width and the height of the + * screen. Typical values are 4/3, 1/2 or 1/1. This value is + * 0 if the aspect ratio is not defined in the source file. + * 0 is also the default value. + */ + float mAspect; #ifdef __cplusplus - aiCamera() - : mUp (0.f,1.f,0.f) - , mLookAt (0.f,0.f,1.f) - , mHorizontalFOV (0.25f * (float)AI_MATH_PI) - , mClipPlaneNear (0.1f) - , mClipPlaneFar (1000.f) - , mAspect (0.f) - {} - - /** @brief Get a *right-handed* camera matrix from me - * @param out Camera matrix to be filled - */ - void GetCameraMatrix (aiMatrix4x4& out) const - { - /** todo: test ... should work, but i'm not absolutely sure */ - - /** We don't know whether these vectors are already normalized ...*/ - aiVector3D zaxis = mLookAt; zaxis.Normalize(); - aiVector3D yaxis = mUp; yaxis.Normalize(); - aiVector3D xaxis = mUp^mLookAt; xaxis.Normalize(); - - out.a4 = -(xaxis * mPosition); - out.b4 = -(yaxis * mPosition); - out.c4 = -(zaxis * mPosition); - - out.a1 = xaxis.x; - out.a2 = xaxis.y; - out.a3 = xaxis.z; - - out.b1 = yaxis.x; - out.b2 = yaxis.y; - out.b3 = yaxis.z; - - out.c1 = zaxis.x; - out.c2 = zaxis.y; - out.c3 = zaxis.z; - - out.d1 = out.d2 = out.d3 = 0.f; - out.d4 = 1.f; - } + aiCamera() + : mUp (0.f,1.f,0.f) + , mLookAt (0.f,0.f,1.f) + , mHorizontalFOV (0.25f * (float)AI_MATH_PI) + , mClipPlaneNear (0.1f) + , mClipPlaneFar (1000.f) + , mAspect (0.f) + {} + + /** @brief Get a *right-handed* camera matrix from me + * @param out Camera matrix to be filled + */ + void GetCameraMatrix (aiMatrix4x4& out) const + { + /** todo: test ... should work, but i'm not absolutely sure */ + + /** We don't know whether these vectors are already normalized ...*/ + aiVector3D zaxis = mLookAt; zaxis.Normalize(); + aiVector3D yaxis = mUp; yaxis.Normalize(); + aiVector3D xaxis = mUp^mLookAt; xaxis.Normalize(); + + out.a4 = -(xaxis * mPosition); + out.b4 = -(yaxis * mPosition); + out.c4 = -(zaxis * mPosition); + + out.a1 = xaxis.x; + out.a2 = xaxis.y; + out.a3 = xaxis.z; + + out.b1 = yaxis.x; + out.b2 = yaxis.y; + out.b3 = yaxis.z; + + out.c1 = zaxis.x; + out.c2 = zaxis.y; + out.c3 = zaxis.z; + + out.d1 = out.d2 = out.d3 = 0.f; + out.d4 = 1.f; + } #endif }; |