81 lines
2.3 KiB
C#
81 lines
2.3 KiB
C#
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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public static class Drawing
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{
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//transform parameters to draw the chart;
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public static double a, b, x0, y0;
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public static LineRenderer linR;
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public static void drawChart(Transform tf, double[] X_inputValues, double[]Y_inputValues, string type, float? customYScale = null)
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{
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linR =tf.GetComponent<LineRenderer>();
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//transform parameters to draw the heart rate
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a = tf.localScale.x;
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b = tf.localScale.y;
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x0 = tf.position.x;
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y0 = tf.position.y;
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//do not resize array
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if (type=="time")
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{
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}
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//resize array
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else if(type=="frequency")
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{
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X_inputValues=ArrayResize(X_inputValues, (int)X_inputValues.Length/2);
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Y_inputValues=ArrayResize(Y_inputValues, (int)Y_inputValues.Length/2);
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}
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linR.positionCount = X_inputValues.Length;
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double max_X = FastFourierTransform.MaxD(X_inputValues);
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double min_X = FastFourierTransform.MinD(X_inputValues);
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double max_Y = FastFourierTransform.MaxD(Y_inputValues);
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double min_Y = FastFourierTransform.MinD(Y_inputValues);
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double dY = max_Y - min_Y;
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if (customYScale.HasValue) {
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dY = customYScale.Value;
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}
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//drawing factors
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double factorA_X = (x0 + a / 2 - (x0 - a / 2)) / (max_X - min_X + 0.01f);
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double factorB_X = factorA_X * (-min_X) + (x0 - a / 2);
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double factorA_Y = (y0 + b / 2 - (y0 - b / 2)) / (dY + 0.01f);
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double factorB_Y = factorA_Y * (-min_Y) + (y0 - b / 2);
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//draw using the lineRender
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for (int ii = 0; ii < linR.positionCount; ii++)
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{
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// Debug.Log(ii);
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double xt = X_inputValues[ii] * factorA_X + factorB_X;
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double yt = Y_inputValues[ii] * factorA_Y + factorB_Y;
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linR.SetPosition(ii, new UnityEngine.Vector3((float)xt, (float)yt, tf.position.z));
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}
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}
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//gets an array and resizes it to a fixed value
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public static double[] ArrayResize(double[] a, int Size)
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{
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double[] temp = new double[Size];
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for (int c = 1; c < Mathf.Min(Size, a.Length); c++)
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{
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temp[c] = a[c];
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}
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return temp;
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}
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}
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