/indra/newview/llcylinder.cpp
https://bitbucket.org/lindenlab/viewer-beta/ · C++ · 75 lines · 36 code · 11 blank · 28 comment · 2 complexity · 1bef633c361d3d7b685dfec88a307de4 MD5 · raw file
- /**
- * @file llcylinder.cpp
- * @brief Draws a cylinder using display lists for speed.
- *
- * $LicenseInfo:firstyear=2001&license=viewerlgpl$
- * 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
- * $/LicenseInfo$
- */
- #include "llviewerprecompiledheaders.h"
- #include "llcylinder.h"
- #include "llerror.h"
- #include "math.h"
- #include "llmath.h"
- #include "noise.h"
- #include "v3math.h"
- #include "llvertexbuffer.h"
- #include "llgl.h"
- #include "llglheaders.h"
- LLCone gCone;
- //
- // Cones
- //
- void LLCone::render(S32 sides)
- {
- gGL.begin(LLRender::TRIANGLE_FAN);
- gGL.vertex3f(0,0,0);
- for (U32 i = 0; i < sides; i++)
- {
- F32 a = (F32) i/sides * F_PI*2.f;
- F32 x = cosf(a)*0.5f;
- F32 y = sinf(a)*0.5f;
- gGL.vertex3f(x,y,-.5f);
- }
- gGL.vertex3f(cosf(0.f)*0.5f, sinf(0.f)*0.5f, -0.5f);
- gGL.end();
- gGL.begin(LLRender::TRIANGLE_FAN);
- gGL.vertex3f(0.f, 0.f, 0.5f);
- for (U32 i = 0; i < sides; i++)
- {
- F32 a = (F32) i/sides * F_PI*2.f;
- F32 x = cosf(a)*0.5f;
- F32 y = sinf(a)*0.5f;
- gGL.vertex3f(x,y,-0.5f);
- }
- gGL.vertex3f(cosf(0.f)*0.5f, sinf(0.f)*0.5f, -0.5f);
- gGL.end();
- }