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@@ -5,6 +5,7 @@ var Controller = function(){
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this.collectibles = [];
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this.views = [];
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this.snake = new Snake(this.initial_length);
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+ this.canTurn = true;
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var pos0 = {x: -1, y: -1};
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var higgs = new Particle(pos0);
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@@ -72,23 +73,49 @@ Controller.prototype.bind_events = function(){
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var c = this;
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window.onkeydown = function(e){
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var direction = null;
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+ var dir = {x: c.snake.physicists[0].direction.x, y: c.snake.physicists[0].direction.y};
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+
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switch (e.keyCode){
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case 37:
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- direction = {x: -1, y: 0};
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- break;
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+ case 65:
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+ if(dir.x == 1)
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+ {
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+ break;}
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+ else {
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+ direction = {x: -1, y: 0};
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+ break;
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+ }
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case 38:
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- direction = {x: 0, y: -1};
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- break;
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+ case 87:
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+ if(dir.y == 1)
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+ {
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+ break;}
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+ else {
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+ direction = {x: 0, y: -1};
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+ break;
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+ }
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case 39:
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- direction = {x: 1, y: 0};
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- break;
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+ case 68:
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+ if(dir.x == -1)
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+ {
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+ break;}
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+ else {
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+ direction = {x: 1, y: 0};
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+ break;
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+ }
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case 40:
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- direction = {x: 0, y: 1};
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- break;
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-
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+ case 83:
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+ if(dir.y == -1)
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+ {
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+ break;}
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+ else {
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+ direction = {x: 0, y: 1};
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+ break;
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+ }
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}
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- if (direction){
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+ if (direction && c.canTurn){
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c.turn_snake(direction);
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+ c.canTurn = false;
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}
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}
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}
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@@ -105,6 +132,7 @@ Controller.prototype.tick = function(event){
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var next_cell = this.get_next_cell_position();
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var next_cell_content = this.is_position_occupied(next_cell);
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this.snake.move(next_cell);
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+ this.canTurn = true;
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if (next_cell_content && next_cell_content.collectible) this.snake.physicists[0].collect(next_cell_content.collectible);
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if(this.collectibles.length < 2){
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this.spawn_collectibles();
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