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source: code/trunk/src/orxonox/graphics/BlinkingBillboard.cc @ 12211

Last change on this file since 12211 was 9667, checked in by landauf, 11 years ago

merged core6 back to trunk

  • Property svn:eol-style set to native
File size: 3.1 KB
Line 
1/*
2 *   ORXONOX - the hottest 3D action shooter ever to exist
3 *                    > www.orxonox.net <
4 *
5 *
6 *   License notice:
7 *
8 *   This program is free software; you can redistribute it and/or
9 *   modify it under the terms of the GNU General Public License
10 *   as published by the Free Software Foundation; either version 2
11 *   of the License, or (at your option) any later version.
12 *
13 *   This program is distributed in the hope that it will be useful,
14 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
15 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 *   GNU General Public License for more details.
17 *
18 *   You should have received a copy of the GNU General Public License
19 *   along with this program; if not, write to the Free Software
20 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
21 *
22 *   Author:
23 *      Fabian 'x3n' Landau
24 *   Co-authors:
25 *      ...
26 *
27 */
28
29#include "BlinkingBillboard.h"
30
31#include "core/CoreIncludes.h"
32#include "core/GameMode.h"
33#include "core/XMLPort.h"
34
35namespace orxonox
36{
37    RegisterClass(BlinkingBillboard);
38
39    BlinkingBillboard::BlinkingBillboard(Context* context) : Billboard(context)
40    {
41        RegisterObject(BlinkingBillboard);
42
43        this->amplitude_ = 1.0f;
44        this->frequency_ = 1.0f;
45        this->phase_ = 0;
46        this->bQuadratic_ = false;
47        this->time_ = 0;
48
49        this->registerVariables();
50    }
51
52    BlinkingBillboard::~BlinkingBillboard()
53    {
54    }
55
56    void BlinkingBillboard::XMLPort(Element& xmlelement, XMLPort::Mode mode)
57    {
58        SUPER(BlinkingBillboard, XMLPort, xmlelement, mode);
59
60        XMLPortParam(BlinkingBillboard, "amplitude", setAmplitude, getAmplitude, xmlelement, mode).defaultValues(1.0f);
61        XMLPortParam(BlinkingBillboard, "frequency", setFrequency, getFrequency, xmlelement, mode).defaultValues(1.0f);
62        XMLPortParam(BlinkingBillboard, "phase",     setPhase,     getPhase,     xmlelement, mode).defaultValues(Degree(0));
63        XMLPortParam(BlinkingBillboard, "quadratic", setQuadratic, isQuadratic,  xmlelement, mode).defaultValues(false);
64    }
65
66    void BlinkingBillboard::registerVariables()
67    {
68        unregisterVariable(this->getScale3D());
69        registerVariable(this->amplitude_,  VariableDirection::ToClient);
70        registerVariable(this->frequency_,  VariableDirection::ToClient);
71        registerVariable(this->phase_,      VariableDirection::ToClient);
72        registerVariable(this->bQuadratic_, VariableDirection::ToClient);
73    }
74
75    void BlinkingBillboard::tick(float dt)
76    {
77        SUPER(BlinkingBillboard, tick, dt);
78
79        if (this->isActive())
80        {
81            // Wrap around to avoid loosing floating point precision
82            this->time_ = std::fmod(this->time_ + dt, 1.0f / this->frequency_);
83            float value = sin((math::twoPi * this->time_ + this->phase_.valueRadians()) * this->frequency_);
84            if (this->bQuadratic_)
85                this->setScale(this->amplitude_ * square(value));
86            else
87                this->setScale(this->amplitude_ * std::abs(value));
88        }
89    }
90}
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