81 lines
2.2 KiB
C++
81 lines
2.2 KiB
C++
/**
|
|
* @file llcylinder.cpp
|
|
* @brief Draws a cylinder using display lists for speed.
|
|
*
|
|
* $LicenseInfo:firstyear=2001&license=viewergpl$
|
|
*
|
|
* Copyright (c) 2001-2009, Linden Research, Inc.
|
|
*
|
|
* Second Life Viewer Source Code
|
|
* The source code in this file ("Source Code") is provided by Linden Lab
|
|
* to you under the terms of the GNU General Public License, version 2.0
|
|
* ("GPL"), unless you have obtained a separate licensing agreement
|
|
* ("Other License"), formally executed by you and Linden Lab. Terms of
|
|
* the GPL can be found in doc/GPL-license.txt in this distribution, or
|
|
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
|
|
*
|
|
* There are special exceptions to the terms and conditions of the GPL as
|
|
* it is applied to this Source Code. View the full text of the exception
|
|
* in the file doc/FLOSS-exception.txt in this software distribution, or
|
|
* online at
|
|
* http://secondlifegrid.net/programs/open_source/licensing/flossexception
|
|
*
|
|
* By copying, modifying or distributing this software, you acknowledge
|
|
* that you have read and understood your obligations described above,
|
|
* and agree to abide by those obligations.
|
|
*
|
|
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
|
|
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
|
|
* COMPLETENESS OR PERFORMANCE.
|
|
* $/LicenseInfo$
|
|
*/
|
|
|
|
#include "llviewerprecompiledheaders.h"
|
|
|
|
#include "llcylinder.h"
|
|
|
|
#include "llerror.h"
|
|
#include "math.h"
|
|
#include "llmath.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 (S32 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 (S32 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();
|
|
}
|
|
|