Toney snippets for development blog

gameModel.js

getPlayerScore: function (line) {
	if (this._referenceLine != null) {
		
		var playerSize = line.getSize();
		var referenceSize = this._referenceLine.getSize();

		var longest = Math.max(playerSize[0], referenceSize[0]);
		var highest = Math.max(Math.abs(playerSize[1]), Math.abs(referenceSize[1]));

		var ratio = 0.5; // Importance of total line length VS total line slope: [0->1]

		var xDiff = Math.abs(playerSize[0]-referenceSize[0]);
		var yDiff = Math.abs(playerSize[1]-referenceSize[1]);

		var xScore = (longest == 0) ? ratio * 1 : ratio * (1-xDiff/longest);
		var yScore = (highest == 0) ? (1-ratio) * 1 : (1-ratio) * (1-yDiff/highest) ;

		var starScore = Math.round(Math.min(xScore+yScore,1)*this.get('maxStars'));

		this.trigger('game:newScore', starScore);
	}
},

spectrogramModel.js

updateHighpassSpectrogram: function () {
		var sum, filter, i, h, shift;

	// filter = [-1, 3, -1];
	// filter = [ 1];
	filter = [-1, -1, 5, -1, -1];
	shift = Math.floor(filter.length/2);
	this._highpassSpectrogram = [];

	for (i = 0; i < this._spectrogram.length; i++) {
		if (i > shift && i < this._spectrogram.length - shift) {
			sum = 0;
			for (h = 0; h < filter.length; h++) {
				sum += filter[h]*this._spectrogram[i+h-shift];
			};
			sum /= filter.length;
			sum = Math.min(Math.max(sum, 0), 128);
			this._highpassSpectrogram[i] = sum;
		}
		else {
			this._highpassSpectrogram[i] = this._spectrogram[i];
		}

	};
},