diff options
Diffstat (limited to 'indra/llrender/llrendersphere.cpp')
| -rw-r--r-- | indra/llrender/llrendersphere.cpp | 88 |
1 files changed, 44 insertions, 44 deletions
diff --git a/indra/llrender/llrendersphere.cpp b/indra/llrender/llrendersphere.cpp index 26bfe036e8..9570180554 100644 --- a/indra/llrender/llrendersphere.cpp +++ b/indra/llrender/llrendersphere.cpp @@ -1,32 +1,32 @@ -/** +/** * @file llrendersphere.cpp * @brief implementation of the LLRenderSphere class. * * $LicenseInfo:firstyear=2001&license=viewerlgpl$ * 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 * $/LicenseInfo$ */ -// Sphere creates a set of display lists that can then be called to create -// a lit sphere at different LOD levels. You only need one instance of sphere -// per viewer - then call the appropriate list. +// Sphere creates a set of display lists that can then be called to create +// a lit sphere at different LOD levels. You only need one instance of sphere +// per viewer - then call the appropriate list. #include "linden_common.h" @@ -39,53 +39,53 @@ LLRenderSphere gSphere; void LLRenderSphere::render() { - renderGGL(); - gGL.flush(); + renderGGL(); + gGL.flush(); } inline LLVector3 polar_to_cart(F32 latitude, F32 longitude) { - return LLVector3(sin(F_TWO_PI * latitude) * cos(F_TWO_PI * longitude), - sin(F_TWO_PI * latitude) * sin(F_TWO_PI * longitude), - cos(F_TWO_PI * latitude)); + return LLVector3(sin(F_TWO_PI * latitude) * cos(F_TWO_PI * longitude), + sin(F_TWO_PI * latitude) * sin(F_TWO_PI * longitude), + cos(F_TWO_PI * latitude)); } void LLRenderSphere::renderGGL() { - S32 const LATITUDE_SLICES = 20; - S32 const LONGITUDE_SLICES = 30; + S32 const LATITUDE_SLICES = 20; + S32 const LONGITUDE_SLICES = 30; + + if (mSpherePoints.empty()) + { + mSpherePoints.resize(LATITUDE_SLICES + 1); + for (S32 lat_i = 0; lat_i < LATITUDE_SLICES + 1; lat_i++) + { + mSpherePoints[lat_i].resize(LONGITUDE_SLICES + 1); + for (S32 lon_i = 0; lon_i < LONGITUDE_SLICES + 1; lon_i++) + { + F32 lat = (F32)lat_i / LATITUDE_SLICES; + F32 lon = (F32)lon_i / LONGITUDE_SLICES; - if (mSpherePoints.empty()) - { - mSpherePoints.resize(LATITUDE_SLICES + 1); - for (S32 lat_i = 0; lat_i < LATITUDE_SLICES + 1; lat_i++) - { - mSpherePoints[lat_i].resize(LONGITUDE_SLICES + 1); - for (S32 lon_i = 0; lon_i < LONGITUDE_SLICES + 1; lon_i++) - { - F32 lat = (F32)lat_i / LATITUDE_SLICES; - F32 lon = (F32)lon_i / LONGITUDE_SLICES; + mSpherePoints[lat_i][lon_i] = polar_to_cart(lat, lon); + } + } + } - mSpherePoints[lat_i][lon_i] = polar_to_cart(lat, lon); - } - } - } - - gGL.begin(LLRender::TRIANGLES); + gGL.begin(LLRender::TRIANGLES); - for (S32 lat_i = 0; lat_i < LATITUDE_SLICES; lat_i++) - { - for (S32 lon_i = 0; lon_i < LONGITUDE_SLICES; lon_i++) - { - gGL.vertex3fv(mSpherePoints[lat_i][lon_i].mV); - gGL.vertex3fv(mSpherePoints[lat_i][lon_i+1].mV); - gGL.vertex3fv(mSpherePoints[lat_i+1][lon_i].mV); + for (S32 lat_i = 0; lat_i < LATITUDE_SLICES; lat_i++) + { + for (S32 lon_i = 0; lon_i < LONGITUDE_SLICES; lon_i++) + { + gGL.vertex3fv(mSpherePoints[lat_i][lon_i].mV); + gGL.vertex3fv(mSpherePoints[lat_i][lon_i+1].mV); + gGL.vertex3fv(mSpherePoints[lat_i+1][lon_i].mV); - gGL.vertex3fv(mSpherePoints[lat_i+1][lon_i].mV); - gGL.vertex3fv(mSpherePoints[lat_i][lon_i+1].mV); - gGL.vertex3fv(mSpherePoints[lat_i+1][lon_i+1].mV); - } - } - gGL.end(); + gGL.vertex3fv(mSpherePoints[lat_i+1][lon_i].mV); + gGL.vertex3fv(mSpherePoints[lat_i][lon_i+1].mV); + gGL.vertex3fv(mSpherePoints[lat_i+1][lon_i+1].mV); + } + } + gGL.end(); } |