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Diffstat (limited to 'source/gameengine/Ketsji/KX_RayCast.cpp')
| -rw-r--r-- | source/gameengine/Ketsji/KX_RayCast.cpp | 121 |
1 files changed, 0 insertions, 121 deletions
diff --git a/source/gameengine/Ketsji/KX_RayCast.cpp b/source/gameengine/Ketsji/KX_RayCast.cpp deleted file mode 100644 index 5d3c943b842..00000000000 --- a/source/gameengine/Ketsji/KX_RayCast.cpp +++ /dev/null @@ -1,121 +0,0 @@ -/* - * ***** BEGIN GPL LICENSE BLOCK ***** - * - * This program 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. - * - * This program 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 this program; if not, write to the Free Software Foundation, - * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * The Original Code is Copyright (C) 2001-2002 by NaN Holding BV. - * All rights reserved. - * - * The Original Code is: all of this file. - * - * Contributor(s): none yet. - * - * ***** END GPL LICENSE BLOCK ***** - * KX_MouseFocusSensor determines mouse in/out/over events. - */ - -/** \file gameengine/Ketsji/KX_RayCast.cpp - * \ingroup ketsji - */ - - -#include <stdlib.h> -#include <stdio.h> - -#include "KX_RayCast.h" - -#include "MT_Point3.h" -#include "MT_Vector3.h" - -#include "PHY_IPhysicsEnvironment.h" -#include "PHY_IPhysicsController.h" - -KX_RayCast::KX_RayCast(PHY_IPhysicsController* ignoreController, bool faceNormal, bool faceUV) - :PHY_IRayCastFilterCallback(ignoreController, faceNormal, faceUV) -{ -} - -void KX_RayCast::reportHit(PHY_RayCastResult* result) -{ - m_hitFound = true; - m_hitPoint = MT_Vector3(result->m_hitPoint); - m_hitNormal = MT_Vector3(result->m_hitNormal); - m_hitUVOK = result->m_hitUVOK; - m_hitUV = MT_Vector2(result->m_hitUV); - m_hitMesh = result->m_meshObject; - m_hitPolygon = result->m_polygon; -} - -bool KX_RayCast::RayTest(PHY_IPhysicsEnvironment* physics_environment, const MT_Point3& _frompoint, const MT_Point3& topoint, KX_RayCast& callback) -{ - if (physics_environment==NULL) return false; /* prevents crashing in some cases */ - - // Loops over all physics objects between frompoint and topoint, - // calling callback.RayHit for each one. - // - // callback.RayHit should return true to stop looking, or false to continue. - // - // returns true if an object was found, false if not. - - MT_Point3 frompoint(_frompoint); - const MT_Vector3 todir( (topoint - frompoint).safe_normalized() ); - MT_Point3 prevpoint(_frompoint+todir*(-1.f)); - - PHY_IPhysicsController* hit_controller; - - while ((hit_controller = physics_environment->RayTest(callback, - frompoint.x(),frompoint.y(),frompoint.z(), - topoint.x(),topoint.y(),topoint.z())) != NULL) - { - KX_ClientObjectInfo *info = static_cast<KX_ClientObjectInfo*>(hit_controller->GetNewClientInfo()); - - if (!info) - { - printf("no info!\n"); - MT_assert(info && "Physics controller with no client object info"); - break; - } - - // The biggest danger to endless loop, prevent this by checking that the - // hit point always progresses along the ray direction.. - prevpoint -= callback.m_hitPoint; - if (prevpoint.length2() < MT_EPSILON) - break; - - if (callback.RayHit(info)) - // caller may decide to stop the loop and still cancel the hit - return callback.m_hitFound; - - // Skip past the object and keep tracing. - // Note that retrieving in a single shot multiple hit points would be possible - // but it would require some change in Bullet. - prevpoint = callback.m_hitPoint; - /* We add 0.001 of fudge, so that if the margin && radius == 0.0, we don't endless loop. */ - MT_Scalar marg = 0.001f + hit_controller->GetMargin(); - marg *= 2.f; - /* Calculate the other side of this object */ - MT_Scalar h = MT_abs(todir.dot(callback.m_hitNormal)); - if (h <= 0.01f) - // the normal is almost orthogonal to the ray direction, cannot compute the other side - break; - marg /= h; - frompoint = callback.m_hitPoint + marg * todir; - // verify that we are not passed the to point - if ((topoint - frompoint).dot(todir) < 0.f) - break; - } - return false; -} - |