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71 lines
2.5 KiB
C++
71 lines
2.5 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* Additional copyright for this file:
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* Copyright (C) 1995-1997 Presto Studios, Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#include "pegasus/pegasus.h"
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#include "pegasus/neighborhood/mars/energybeam.h"
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namespace Pegasus {
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static const TimeValue kEnergyBeamTime = kOneSecond * kShuttleWeaponScale / 2;
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static const CoordType kEnergyBeamOriginH = kShuttleWindowMidH;
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static const CoordType kEnergyBeamOriginV = kShuttleWindowTop + kShuttleWindowHeight;
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static const float kBeamXOrigin = convertScreenHToSpaceX(kEnergyBeamOriginH, kEnergyBeamMinDistance);
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static const float kBeamYOrigin = convertScreenVToSpaceY(kEnergyBeamOriginV, kEnergyBeamMinDistance);
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static const float kBeamZOrigin = kEnergyBeamMinDistance;
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EnergyBeam::EnergyBeam() {
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_weaponDuration = kEnergyBeamTime;
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setSegment(0, kEnergyBeamTime);
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_weaponOrigin = Point3D(kBeamXOrigin, kBeamYOrigin, kBeamZOrigin);
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}
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void EnergyBeam::draw(const Common::Rect &) {
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static const int kBeamColorRed1 = 224;
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static const int kBeamColorRed2 = 64;
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Graphics::Surface *surface = ((PegasusEngine *)g_engine)->_gfx->getWorkArea();
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byte red = linearInterp(0, kEnergyBeamTime, _lastTime, kBeamColorRed1, kBeamColorRed2);
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uint32 color = surface->format.RGBToColor(red, 0, 0);
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Point3D startPoint;
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if (_weaponTime < 0.1)
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startPoint = _weaponOrigin;
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else
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linearInterp(_weaponOrigin, _weaponTarget, _weaponTime - 0.1, startPoint);
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Common::Point lineStart;
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project3DTo2D(startPoint, lineStart);
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Common::Point lineEnd;
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project3DTo2D(_weaponLocation, lineEnd);
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surface->drawThickLine(lineStart.x, lineStart.y, lineEnd.x, lineEnd.y, 2, 1, color);
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}
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} // End of namespace Pegasus
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