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- /****************
- * drones101.js *
- ****************
- *
- * Do you remember, my dear Professor, a certain introductory
- * computational rationality class you taught long ago? Assignment
- * #2, behavior functions of autonomous agents? I remember that one
- * fondly - but attack drones are so much easier to reason about
- * when they're not staring you in the face, I would imagine!
- */
- function startLevel(map) {
- function moveToward(obj, type) {
- var target = obj.findNearest(type);
- var leftDist = obj.getX() - target.x;
- var upDist = obj.getY() - target.y;
- var direction;
- if (upDist == 0 && leftDist == 0) {
- return;
- } if (upDist > 0 && upDist >= leftDist) {
- direction = 'up';
- } else if (upDist < 0 && upDist < leftDist) {
- direction = 'down';
- } else if (leftDist > 0 && leftDist >= upDist) {
- direction = 'left';
- } else {
- direction = 'right';
- }
- if (obj.canMove(direction)) {
- obj.move(direction);
- }
- }
- map.defineObject('attackDrone', {
- 'type': 'dynamic',
- 'symbol': 'd',
- 'color': 'red',
- 'onCollision': function (player) {
- player.killedBy('an attack drone');
- },
- 'behavior': function (me) {
- moveToward(me, 'player');
- }
- });
- map.placePlayer(1, 1);
- map.placeObject(map.getWidth()-2, 12, 'attackDrone');
- map.placeObject(map.getWidth()-1, 12, 'exit');
- map.placeObject(map.getWidth()-1, 11, 'block');
- map.placeObject(map.getWidth()-2, 11, 'block');
- map.placeObject(map.getWidth()-1, 13, 'block');
- map.placeObject(map.getWidth()-2, 13, 'block');
- map.placeObject(15,15,'block');
- map.placeObject(14,14,'block');
- }
- function validateLevel(map) {
- map.validateExactlyXManyObjects(1, 'exit');
- }
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