Moved all files one dir upwards (should've done that long ago)
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project/jni/application/alienblaster/sonic.cpp
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69
project/jni/application/alienblaster/sonic.cpp
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/***************************************************************************
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alienBlaster
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Copyright (C) 2004
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Paul Grathwohl, Arne Hormann, Daniel Kuehn, Soenke Schwardt
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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***************************************************************************/
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#include <iostream>
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#include <math.h>
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#include "sonic.h"
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#include "global.h"
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#include "surfaceDB.h"
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#include "geometry.h"
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#include "video.h"
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using namespace std;
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Sonic::Sonic() {
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sonicBall = surfaceDB.loadSurface( FN_SONIC_EFFECT, true );
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timeStage = 0;
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active = false;
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waveLength = 6.0f;
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}
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void Sonic::setPos( Vector2D pos1, Vector2D pos2 ) {
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this->pos1 = pos1;
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this->pos2 = pos2;
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active = true;
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}
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void Sonic::drawAtPos( SdlCompat_AcceleratedSurface *screen, Vector2D pos1, Vector2D pos2 ) {
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setPos( pos1, pos2 );
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draw( screen );
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}
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void Sonic::draw( SdlCompat_AcceleratedSurface *screen ) {
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if ( !active ) return;
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timeStage += 2;
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timeStage = (timeStage % (int)(waveLength + 0.5f)) + 1;
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SDL_Rect rect;
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rect.w = sonicBall->w;
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rect.h = sonicBall->h;
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Vector2D sonicIncrement = pos2 - pos1;
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float dist = sonicIncrement.getLength() - waveLength;
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sonicIncrement.setLength((float) timeStage);
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Vector2D sonicActual = pos1;
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sonicActual += sonicIncrement;
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sonicIncrement.setLength(waveLength);
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while (dist >= 5) {
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sonicActual += sonicIncrement;
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dist -= waveLength;
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rect.x = (int) sonicActual.getX() - sonicBall->w / 2;
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rect.y = (int) sonicActual.getY() - sonicBall->h / 2;
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SDL_BlitSurface( sonicBall, 0, screen, &rect );
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}
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}
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