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Code viewer for World: Agent and Enemy (clone by... 

// Cloned by Abdelshafa Abdala on 5 Nov 2022 from World "Agent and Enemy  (clone by Abdelshafa Abdala) (clone by Abdelshafa Abdala) (clone by Abdelshafa Abdala) (clone by Abdelshafa Abdala)" by Abdelshafa Abdala 
// Please leave this clone trail here.
 


// Cloned by Abdelshafa Abdala on 5 Nov 2022 from World "Agent and Enemy  (clone by Abdelshafa Abdala) (clone by Abdelshafa Abdala) (clone by Abdelshafa Abdala)" by Abdelshafa Abdala 
// Please leave this clone trail here.
 


// Cloned by Abdelshafa Abdala on 5 Nov 2022 from World "Agent and Enemy  (clone by Abdelshafa Abdala) (clone by Abdelshafa Abdala)" by Abdelshafa Abdala 
// Please leave this clone trail here.
 


// Cloned by Abdelshafa Abdala on 5 Nov 2022 from World "Agent and Enemy  (clone by Abdelshafa Abdala)" by Abdelshafa Abdala 
// Please leave this clone trail here.
 
AB.clockTick=150,AB.maxSteps=1e3,AB.screenshotStep=50;var start,end,diagonal=!0,openSet=[],closedSet=[],neighbors=[],path=[];const show3d=!0,TEXTURE_WALL="/uploads/rania/door6.jpg",TEXTURE_MAZE="/uploads/rania/latin9.gif",TEXTURE_AGENT="/uploads/starter/pacman.jpg",TEXTURE_ENEMY="/uploads/rania/ghost1.jpg",MUSIC_BACK="/uploads/rania/Ultimate.mp3",SOUND_ALARM="/uploads/rania/mixkit-classic-winner-alarm-1997.wav",gridsize=50,NOBOXES=Math.trunc(gridsize*gridsize/3),squaresize=100,MAXPOS=gridsize*squaresize,SKYCOLOR=14548957,startRadiusConst=.8*MAXPOS,maxRadiusConst=10*MAXPOS;ABHandler.MAXCAMERAPOS=maxRadiusConst,ABHandler.GROUNDZERO=!0;const SKYBOX_ARRAY=["/uploads/rania/dawnmountain-xpos2.jpg","/uploads/rania/dawnmountain-xpos2.jpg","/uploads/rania/dawnmountain-xpos2.jpg","/uploads/rania/dawnmountain-xpos2.jpg","/uploads/rania/dawnmountain-xpos2.jpg","/uploads/rania/dawnmountain-xpos2.jpg"],ACTION_LEFT=0,ACTION_RIGHT=1,ACTION_UP=2,ACTION_DOWN=3,ACTION_STAYSTILL=4,GRID_BLANK=0,GRID_WALL=1,GRID_MAZE=2;var BOXHEIGHT,theagent,theenemy,wall_texture,agent_texture,enemy_texture,maze_texture,ei,ej,ai,aj,badsteps,goodsteps,GRID=new Array(gridsize),shownPath=[];path=[];function loadResources(){var e=new THREE.TextureLoader,a=new THREE.TextureLoader,t=new THREE.TextureLoader,i=new THREE.TextureLoader;e.load(TEXTURE_WALL,function(e){e.minFilter=THREE.LinearFilter,wall_texture=e,asynchFinished()&&initScene()}),a.load(TEXTURE_AGENT,function(e){e.minFilter=THREE.LinearFilter,agent_texture=e,asynchFinished()&&initScene()}),t.load(TEXTURE_ENEMY,function(e){e.minFilter=THREE.LinearFilter,enemy_texture=e,asynchFinished()&&initScene()}),i.load(TEXTURE_MAZE,function(e){e.minFilter=THREE.LinearFilter,maze_texture=e,asynchFinished()&&initScene()})}function asynchFinished(){return!!(wall_texture&&agent_texture&&enemy_texture&&maze_texture)}function occupied(e,a){return ei==e&&ej==a||ai==e&&aj==a||GRID[e][a]==GRID_WALL||GRID[e][a]==GRID_MAZE}function translate(e,a){var t=new THREE.Vector3;return t.y=0,t.x=e*squaresize-MAXPOS/2,t.z=a*squaresize-MAXPOS/2,t}function initScene(){var e,a,t,i;for(e=0;e<gridsize;e++)GRID[e]=new Array(gridsize);for(e=0;e<gridsize;e++)for(a=0;a<gridsize;a++)0==e||e==gridsize-1||0==a||a==gridsize-1?(GRID[e][a]=GRID_WALL,t=new THREE.BoxGeometry(squaresize,BOXHEIGHT,squaresize),(i=new THREE.Mesh(t)).material=new THREE.MeshBasicMaterial({map:wall_texture}),i.position.copy(translate(e,a)),ABWorld.scene.add(i)):GRID[e][a]=GRID_BLANK;for(var n=1;n<=NOBOXES;n++)e=AB.randomIntAtoB(1,gridsize-2),a=AB.randomIntAtoB(1,gridsize-2),GRID[e][a]=GRID_MAZE,t=new THREE.BoxGeometry(squaresize,BOXHEIGHT,squaresize),(i=new THREE.Mesh(t)).material=new THREE.MeshBasicMaterial({map:maze_texture}),i.position.copy(translate(e,a)),ABWorld.scene.add(i);do{e=AB.randomIntAtoB(1,gridsize-2),a=AB.randomIntAtoB(1,gridsize-2)}while(occupied(e,a));ei=e,ej=a,t=new THREE.BoxGeometry(squaresize,BOXHEIGHT,squaresize),(theenemy=new THREE.Mesh(t)).material=new THREE.MeshBasicMaterial({map:enemy_texture}),ABWorld.scene.add(theenemy),drawEnemy();do{e=AB.randomIntAtoB(1,gridsize-2),a=AB.randomIntAtoB(1,gridsize-2)}while(occupied(e,a));ai=e,aj=a,t=new THREE.BoxGeometry(squaresize,BOXHEIGHT,squaresize),(theagent=new THREE.Mesh(t)).material=new THREE.MeshBasicMaterial({map:agent_texture}),ABWorld.scene.add(theagent),drawAgent(),ABWorld.scene.background=(new THREE.CubeTextureLoader).load(SKYBOX_ARRAY,function(){ABWorld.render(),AB.removeLoading(),AB.runReady=!0})}function drawEnemy(){theenemy.position.copy(translate(ei,ej)),ABWorld.lookat.copy(theenemy.position)}function drawAgent(){theagent.position.copy(translate(ai,aj)),ABWorld.follow.copy(theagent.position)}function removeFromArray(e,a){for(var t=e.length-1;t>=0;t--)e[t]==a&&e.splice(t,1)}function MakeSpot(e,a){this.i=e,this.j=a,this.f=0,this.g=0,this.h=0,this.neighbors=[],this.previous=void 0,this.wall=GRID[e][a]!==GRID_BLANK,this.addNeighbors=function(e){var a=this.i,t=this.j;a<gridsize-1&&this.neighbors.push(e[a+1][t]),t<gridsize-1&&this.neighbors.push(e[a][t+1]),a>0&&this.neighbors.push(e[a-1][t]),t>0&&this.neighbors.push(e[a][t-1])}}function heuristic(e,a){return Math.abs(e.i-a.i)+Math.abs(e.j-a.j)}function euc_heuristic(e,a){return Math.sqrt(Math.pow(e.i-a.i,2)+Math.pow(e.j-a.j,2))}function oct_heuristic(e,a){return Math.max(Math.abs(e.i-a.i),Math.abs(e.j-a.j))+(Math.sqrt(2)-1)*Math.min(Math.abs(e.i-a.i),Math.abs(e.j-a.j))}function chebyshev_heuristic(e,a){return Math.max((Math.abs(e.i-a.i),Math.abs(e.j-a.j)))}function highlightPath(e,a){for(var t=0;t<e.length-1;t++)shape=new THREE.BoxGeometry(squaresize,.1,squaresize),ShownPath=new THREE.Mesh(shape),ShownPath.material=new THREE.MeshBasicMaterial({color:a}),ShownPath.position.copy(translate(e[t].i,e[t].j)),ABWorld.scene.add(ShownPath),shownPath.push(ShownPath)}function moveLogicalEnemy(){for(var e=new Array(gridsize),a=[],t=[],i=0;i<shownPath.length;i++)ABWorld.scene.remove(shownPath[i]);for(i=0;i<gridsize;i++)e[i]=new Array(gridsize);for(i=0;i<gridsize;i++)for(var n=0;n<gridsize;n++)e[i][n]=new MakeSpot(i,n);for(i=0;i<gridsize;i++)for(n=0;n<gridsize;n++)e[i][n].addNeighbors(e);for(a.push(e[ei][ej]);a.length>0;){var r=0;for(i=0;i<a.length;i++)a[i].f<a[r].f&&(r=i);var o=a[r];if(o===e[ai][aj]){var s=[],u=o;for(s.push(u);u.previous;)s.push(u.previous),u=u.previous;highlightPath(s,255);var d=s.length-2;occupied(s[d].i,s[d].j)||(ei=s[d].i,ej=s[d].j);break}removeFromArray(a,o),t.push(o);var c=o.neighbors;for(i=0;i<c.length;i++){var h=c[i];if(h[i]===e[ai][aj]){h.previous=o;break}if(!t.includes(h)&&!h.wall){var l=o.g+heuristic(h,o),p=!1;a.includes(h)?l<h.g&&(h.g=l,p=!0):(h.g=l,p=!0,a.push(h)),p&&(h.h=heuristic(h,e[ai][aj]),h.f=h.g+h.h,h.previous=o)}}}}function moveLogicalAgent(e){var a=ai,t=aj;e==ACTION_LEFT?a--:e==ACTION_RIGHT?a++:e==ACTION_UP?t++:e==ACTION_DOWN&&t--,occupied(a,t)||(ai=a,aj=t)}var OURKEYS=[37,38,39,40];function ourKeys(e){return OURKEYS.includes(e.keyCode)}function keyHandler(e){return!AB.runReady||!ourKeys(e)||(37==e.keyCode&&moveLogicalAgent(ACTION_LEFT),38==e.keyCode&&moveLogicalAgent(ACTION_DOWN),39==e.keyCode&&moveLogicalAgent(ACTION_RIGHT),40==e.keyCode&&moveLogicalAgent(ACTION_UP),e.stopPropagation(),e.preventDefault(),!1)}function badstep(){return Math.abs(ei-ai)<2&&Math.abs(ej-aj)<2}function agentBlocked(){return occupied(ai-1,aj)&&occupied(ai+1,aj)&&occupied(ai,aj+1)&&occupied(ai,aj-1)}function updateStatusBefore(e){var a=AB.world.getState();AB.msg(" Step: "+AB.step+"   x = ("+a.toString()+")   a = ("+e+") ")}function updateStatusAfter(){var e=AB.world.getState(),a=goodsteps/AB.step*100;AB.msg("   y = ("+e.toString()+") <br> Bad steps: "+badsteps+"   Good steps: "+goodsteps+"   Score: "+a.toFixed(2)+"% ",2)}AB.world.newRun=function(){AB.loadingScreen(),AB.runReady=!1,badsteps=0,goodsteps=0,BOXHEIGHT=squaresize,ABWorld.init3d(startRadiusConst,maxRadiusConst,14548957),loadResources(),document.onkeydown=keyHandler},AB.world.getState=function(){return[ai,aj,ei,ej]},AB.world.takeAction=function(e){updateStatusBefore(e),moveLogicalAgent(e),AB.step%2==0&&moveLogicalEnemy(),badstep()?badsteps++:goodsteps++,drawAgent(),drawEnemy(),updateStatusAfter(),agentBlocked()&&(AB.abortRun=!0,goodsteps=0,musicPause(),soundAlarm())},AB.world.endRun=function(){musicPause(),AB.abortRun?AB.msg(" <br> <font color=yellow> <B> Agent trapped. Final score zero. </B> </font>   ",3):AB.msg(" <br> <font color=coral> <B> Run over. </B> </font>   ",3)},AB.world.getScore=function(){var e=goodsteps/AB.maxSteps*100;return Math.round(100*e)/100};var backmusic=AB.backgroundMusic("/uploads/rania/Ultimate.mp3");function musicPlay(){backmusic.play()}function musicPause(){backmusic.pause()}function soundAlarm(){new Audio("/uploads/rania/mixkit-classic-winner-alarm-1997.wav").play()}