mirror of
https://github.com/sigmasternchen/DrunkenMan
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34 lines
932 B
JavaScript
Executable file
34 lines
932 B
JavaScript
Executable file
Debug.log("Path", "module loaded");
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/*
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* class for paths
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*/
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function Path() {
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this.positions = new Array();
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Debug.log("Path", "instance created");
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}
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// contains edge array
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Path.prototype.positions;
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// calculates new edges and adds them to positions
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// params: x, y -> start point
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// length -> number of random points to add
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Path.prototype.calculate = function (x, y, length) {
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var position = new Position(x, y);
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this.positions.push(position);
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for (var i = 0; i < length; i++) {
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position = this.getNext(position);
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this.positions.push(position);
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}
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Debug.log("Path", "new path calculated");
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}
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// calculates next point
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Path.prototype.getNext = function (oldPosition) {
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var rotation = Math.random() * 2 * Math.PI;
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var result = new Position();
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result.x = parseInt(Math.cos(rotation) * lengthOfStep + oldPosition.x);
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result.y = parseInt(Math.sin(rotation) * lengthOfStep + oldPosition.y);
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return result;
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}
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