001 package com.croftsoft.apps.cyborg;
002
003 import java.util.*;
004
005 import com.croftsoft.core.lang.NullArgumentException;
006 import com.croftsoft.core.math.MathConstants;
007
008 /*********************************************************************
009 * Simulates user input.
010 *
011 * @version
012 * $Id: CyborgOperator.java,v 1.10 2008/04/19 21:30:58 croft Exp $
013 * @since
014 * 2005-08-24
015 * @author
016 * <a href="https://www.croftsoft.com/">David Wallace Croft</a>
017 *********************************************************************/
018
019 public final class CyborgOperator
020 //////////////////////////////////////////////////////////////////////
021 //////////////////////////////////////////////////////////////////////
022 {
023
024 private static final int ARRAY_LENGTH = 1 + ( int )
025 ( ( CyborgConfig.OPERATOR_DELAY_MILLIS * CyborgConfig.FRAME_RATE )
026 / MathConstants.MILLISECONDS_PER_SECOND );
027
028 //
029
030 private final CyborgModel cyborgModel;
031
032 private final Random random;
033
034 private final double [ ]
035 arrayX,
036 arrayY,
037 targetCenterXs,
038 targetCenterYs;
039
040 //
041
042 private int index;
043
044 //////////////////////////////////////////////////////////////////////
045 //////////////////////////////////////////////////////////////////////
046
047 public CyborgOperator ( CyborgModel cyborgModel )
048 //////////////////////////////////////////////////////////////////////
049 {
050 NullArgumentException.check (
051 this.cyborgModel = cyborgModel );
052
053 random = new Random ( );
054
055 arrayX = new double [ ARRAY_LENGTH ];
056
057 arrayY = new double [ ARRAY_LENGTH ];
058
059 targetCenterXs = new double [ ARRAY_LENGTH ];
060
061 targetCenterYs = new double [ ARRAY_LENGTH ];
062
063
064 }
065
066 //////////////////////////////////////////////////////////////////////
067 //////////////////////////////////////////////////////////////////////
068
069 public void update ( )
070 //////////////////////////////////////////////////////////////////////
071 {
072 arrayX [ index ] = cyborgModel.getX ( );
073
074 arrayY [ index ] = cyborgModel.getY ( );
075
076 targetCenterXs [ index ] = cyborgModel.getTargetCenterX ( );
077
078 targetCenterYs [ index ] = cyborgModel.getTargetCenterY ( );
079
080 index++;
081
082 if ( index == ARRAY_LENGTH )
083 {
084 index = 0;
085 }
086
087 double x = arrayX [ index ];
088
089 double y = arrayY [ index ];
090
091 double targetCenterX = targetCenterXs [ index ];
092
093 double targetCenterY = targetCenterYs [ index ];
094
095 double aimX = cyborgModel.getAimX ( );
096
097 double aimY = cyborgModel.getAimY ( );
098
099 double deltaX
100 = CyborgConfig.OPERATOR_DELTA * ( targetCenterX - x );
101
102 double deltaY
103 = CyborgConfig.OPERATOR_DELTA * ( targetCenterY - y );
104
105 aimX += deltaX; // + 0.01 * ( 2.0 * random.nextDouble ( ) - 1.0 );
106
107 aimY += deltaY; // + 0.01 * ( 2.0 * random.nextDouble ( ) - 1.0 );
108
109 if ( aimX < -1.0 )
110 {
111 aimX = -1.0;
112 }
113 else if ( aimX > 1.0 )
114 {
115 aimX = 1.0;
116 }
117
118 if ( aimY < -1.0 )
119 {
120 aimY = -1.0;
121 }
122 else if ( aimY > 1.0 )
123 {
124 aimY = 1.0;
125 }
126
127 cyborgModel.setAimX ( aimX );
128
129 cyborgModel.setAimY ( aimY );
130 }
131
132 //////////////////////////////////////////////////////////////////////
133 //////////////////////////////////////////////////////////////////////
134 }