0 ) { // same direction if( dx * cos( heading ) + dy * sin( heading ) < 0 ) { // this agent is behind the other slowDown(); } else { // this agent is in front of the other speedUp(); } } else { // going opposite directions if( dx * cos( heading ) + dy * sin( heading ) < 0 ) { // head-on collision course slowDown(); } } ]]> 0 ) { //going right if( sin( heading ) < 0 ) { //going up-right if( dxr < sensorRange ) { //right wall slowDown(); for( int i=0; i<1+(int)(sensorRange/dxr); i++ ) turnLeft(); } else if( y < sensorRange ) { //upper wall slowDown(); for( int i=0; i<1+(int)(sensorRange/y); i++ ) turnRight(); } } else { //going down-right if( dxr < sensorRange ) { //right wall slowDown(); for( int i=0; i<1+(int)(sensorRange/dxr); i++ ) turnRight(); } else if( dyd < sensorRange ) { //down wall slowDown(); for( int i=0; i<1+(int)(sensorRange/dyd); i++ ) turnLeft(); } } } else { //going left if( sin( heading ) < 0 ) { //going up-left if( x < sensorRange ) { //left wall slowDown(); for( int i=0; i<1+(int)(sensorRange/x); i++ ) turnRight(); } else if( y < sensorRange ) { //upper wall slowDown(); for( int i=0; i<1+(int)(sensorRange/y); i++ ) turnLeft(); } } else { //going down-left if( x < sensorRange ) { //left wall slowDown(); for( int i=0; i<1+(int)(sensorRange/x); i++ ) turnLeft(); } else if( dyd < sensorRange ) { //down wall slowDown(); for( int i=0; i<1+(int)(sensorRange/dyd); i++ ) turnRight(); } } } ]]> 0 ) { // if there are some friends around turnToward( friendsX, friendsY ); if ( friendsSpeed > speed ) { speedUp(); } else if ( friendsSpeed < speed ) { slowDown(); } } else { // no one around slowDown(); if ( uniform() < 0.5 ) // do random turns turnLeft(); else turnRight(); } ]]> width ) x -= width; else if ( x < 0 ) x += width; if ( y > height ) y -= height; else if ( y < 0 ) y += height; // add current position to trace - just for animation for ( int i = traceX.length - 1; i > 0; i-- ) { traceX[i] = traceX[i-1]; traceY[i] = traceY[i-1]; } traceX[0] = x; traceY[0] = y; ]]> 0 ) turnLeft(); else turnRight(); ]]> traceX.length; i++ ) { traceX[i] = x; traceY[i] = y; } ]]> AAAAAKwAAAABAAAAAQAAAKAAAAABAAAAAQAAAP//AAASAENYSk1ESU1vbm9DaGlsZFduZAAA AAAAAAAAAQAAALsBAAD//wAADgBDQW5pbWF0aW9uVmlldwMAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAACwAAAACAAAAAwAAAP//////////+v///+f///9YAAAAWAAAAAwE AACtAgAAAQAAAGQAAAAAAAAA AAAAANUDAAABAAAABAAAAOoAAAABAAAAAQAAAP//AAASAENYSk1ESU1vbm9DaGlsZFduZAAA AAAAAAAAAQAAAIYBAAD//wAAFQBDU3RydWN0dXJlRGlhZ3JhbVZpZXcDAAAAMVxQcm9qZWN0 c1xGbG9ja3Mgb2YgQWdlbnRzXGZsb2Nrc19vZl9hZ2VudHNcQWdlbnQAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAALAAAAAAAAAADAAAA///////////6////5////24AAABuAAAA MwEAABACAAADAAAAAABkAAAAQgUAAHwEAAAAAAAAAQAAAAAAAADuAAAAAQAAAAEAAAD//wAA EgBDWEpNRElNb25vQ2hpbGRXbmQAAAAAAAAAAAEAAACGAQAA//8AABUAQ1N0cnVjdHVyZURp YWdyYW1WaWV3AwAAADFcUHJvamVjdHNcRmxvY2tzIG9mIEFnZW50c1xmbG9ja3Nfb2ZfYWdl bnRzXEZsb2NrAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAACwAAAAAAAAAAwAAAP// ////////+v///+f///+EAAAAhAAAAFkBAAAdAgAAAwAAAAEABQAAAGQAAADCBAAAogQAAAAA AAABAAAAAAAAAPEAAAABAAAAAQAAAP//AAASAENYSk1ESU1vbm9DaGlsZFduZAAAAAAAAAAA AQAAAIYBAAD//wAAFQBDU3RydWN0dXJlRGlhZ3JhbVZpZXcDAAAANFxQcm9qZWN0c1xGbG9j a3Mgb2YgQWdlbnRzXGZsb2Nrc19vZl9hZ2VudHNcT2JzdGFjbGUAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAALAAAAAAAAAADAAAA///////////6////5////5oAAACaAAAAbwEA ADMCAAADAAAAAQADAAAAZAAAAPYEAACqBAAAAAAAAAEAAAAAAAAA9AAAAAEAAAABAAAA//8A ABIAQ1hKTURJTW9ub0NoaWxkV25kAAAAAAAAAAABAAAAigEAAP//AAAVAENBbmltYXRpb25E aWFncmFtVmlldwMAAAA7XFByb2plY3RzXEZsb2NrcyBvZiBBZ2VudHNcZmxvY2tzX29mX2Fn ZW50c1xGbG9ja1xhbmltYXRpb24AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAALAAA AAIAAAADAAAA///////////6////5////7AAAACwAAAAhQEAAEkCAAADAAAAAQABAAAAZAAA AIIEAADBAwAAAAAAAAAAAAA=