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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* Additional copyright for this file:
* Copyright (C) 1995-1997 Presto Studios, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
* This program 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 General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "pegasus/pegasus.h"
#include "pegasus/neighborhood/mars/energybeam.h"
namespace Pegasus {
const TimeValue kEnergyBeamTime = kOneSecond * kShuttleWeaponScale / 2;
const CoordType kEnergyBeamOriginH = kShuttleWindowMidH;
const CoordType kEnergyBeamOriginV = kShuttleWindowTop + kShuttleWindowHeight;
const float kBeamXOrigin = convertScreenHToSpaceX(kEnergyBeamOriginH, kEnergyBeamMinDistance);
const float kBeamYOrigin = convertScreenVToSpaceY(kEnergyBeamOriginV, kEnergyBeamMinDistance);
const float kBeamZOrigin = kEnergyBeamMinDistance;
EnergyBeam::EnergyBeam() {
_weaponDuration = kEnergyBeamTime;
setSegment(0, kEnergyBeamTime);
_weaponOrigin = Point3D(kBeamXOrigin, kBeamYOrigin, kBeamZOrigin);
}
void EnergyBeam::draw(const Common::Rect &) {
static const int kBeamColorRed1 = 224;
static const int kBeamColorRed2 = 64;
Graphics::Surface *surface = ((PegasusEngine *)g_engine)->_gfx->getWorkArea();
byte red = linearInterp(0, kEnergyBeamTime, _lastTime, kBeamColorRed1, kBeamColorRed2);
uint32 color = surface->format.RGBToColor(red, 0, 0);
Point3D startPoint;
if (_weaponTime < 0.1)
startPoint = _weaponOrigin;
else
linearInterp(_weaponOrigin, _weaponTarget, _weaponTime - 0.1, startPoint);
Common::Point lineStart;
project3DTo2D(startPoint, lineStart);
Common::Point lineEnd;
project3DTo2D(_weaponLocation, lineEnd);
surface->drawThickLine(lineStart.x, lineStart.y, lineEnd.x, lineEnd.y, 2, 1, color);
}
} // End of namespace Pegasus
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