// adds a new graph
public void AddNewGraph(GraphableDescription _graphableDescription)
{
// future: add some validation
graphableDescriptionList.Add(_graphableDescription);
// also add a new empty List to ListList that will later be filled by AddData
graphableDataListList.Add(new List <GraphableData>());
}
// creates empty graphs that are later used to be filled with data
private void createEmptyGraphs()
{
GraphableDescription speedGraph = new GraphableDescription("Speed", "Speed", "Time [s]", "Speed [m/s]");
GraphableDescription accelerationGraph = new GraphableDescription("Acceleration", "Acceleration", "Time [s]", "Acceleration [m/s^2]");
GraphableDescription distanceGraph = new GraphableDescription("Distance", "Distance", "Time [s]", "Distance [m]");
GraphableDescription fResGraph = new GraphableDescription("F(res)", "F(res)", "Time [s]", "F(res) [N]");
graphCreator.CreateEmptyGraph(speedGraph);
graphCreator.CreateEmptyGraph(accelerationGraph);
graphCreator.CreateEmptyGraph(distanceGraph);
graphCreator.CreateEmptyGraph(fResGraph);
}
private void createEmptyGraphs()
{
GraphableDescription eKinGraph = new GraphableDescription("Kinetic Energy", "Kinetic Energy", "Time [s]", "Energy [kJ]");
GraphableDescription ePotGraph = new GraphableDescription("Potential Energy", "Potential Energy", "Time [s]", "Energy [kJ]");
GraphableDescription eTotGraph = new GraphableDescription("Total Energy", "Total Energy", "Time [s]", "Energy [kJ]");
GraphableDescription speedGraph = new GraphableDescription("Speed", "Speed", "Time [s]", "Speed [m/s]");
GraphableDescription accelerationGraph = new GraphableDescription("Acceleration", "Acceleration", "Time [s]", "Acceleration [m/s^2]");
GraphableDescription heightGraph = new GraphableDescription("Height", "Height", "Time [s]", "Height [m]");
graphCreator.CreateEmptyGraph(eKinGraph);
graphCreator.CreateEmptyGraph(ePotGraph);
graphCreator.CreateEmptyGraph(eTotGraph);
graphCreator.CreateEmptyGraph(speedGraph);
graphCreator.CreateEmptyGraph(accelerationGraph);
graphCreator.CreateEmptyGraph(heightGraph);
}
// creates empty graphs to be filled later
public void CreateEmptyGraph(GraphableDescription graphableDescription)
{
dataSet.AddNewGraph(graphableDescription);
}
// charts multiple data sets on one graph
public void GraphLines(List <GraphableData> graphableDataList, GraphableDescription graphableDescription, int _blockWidthLine, int _blockHeightLine)
{
// stop executing if no data
if (graphableDataList.Count == 0)
{
return;
}
blockWidthLine = _blockWidthLine;
blockHeightLine = _blockHeightLine;
xAxisTitle = graphableDescription.XAxisTitle;
yAxisTitle = graphableDescription.YAxisTitle;
// loop through every list and get maximum values and minimum values
// creates temp new lists
List <float> xMaxList = new List <float>();
List <float> yMaxList = new List <float>();
List <float> xMinList = new List <float>();
List <float> yMinList = new List <float>();
for (int i = 0; i < graphableDataList.Count; i++)
{
// get max and min from each value set
// future: maybe do it more efficiently with List.Select() or something
xMaxList.Add(graphableDataList[i].XDataList.Max());
yMaxList.Add(graphableDataList[i].YDataList.Max());
xMinList.Add(graphableDataList[i].XDataList.Min());
yMinList.Add(graphableDataList[i].YDataList.Min());
}
// from those list, again get max and min values
float xMax = xMaxList.Max();
float yMax = yMaxList.Max();
float xMin = xMinList.Min();
float yMin = yMinList.Min();
// create arrays with axis label values
xAxisLabelValues = createAxisLabelValues(xMax, xMin);
yAxisLabelValues = createAxisLabelValues(yMax, yMin);
float xLabelMax = xAxisLabelValues[nGridLines];
float yLabelMax = yAxisLabelValues[nGridLines];
float xLabelMin = xAxisLabelValues[0];
float yLabelMin = yAxisLabelValues[0];
// get ratio to length of axes
float xFactor = (lengthX - blockWidthLine) / (xLabelMax - xLabelMin);
float yFactor = (lengthY - blockHeightLine) / (yLabelMax - yLabelMin);
// scale up / down values
// List<int[]> scaledXValuesList = new List<int[]>();
// List<int[]> scaledYValuesList = new List<int[]>();
List <GraphableData> scaledGraphableDataList = new List <GraphableData>();
for (int i = 0; i < graphableDataList.Count; i++)
{
List <float> scaledXValues = graphableDataList[i].XDataList.Select(x => x * xFactor).ToList();
List <float> scaledYValues = graphableDataList[i].YDataList.Select(x => x * yFactor).ToList();
scaledGraphableDataList.Add(new GraphableData(scaledXValues, scaledYValues, graphableDataList[i].Name, graphableDataList[i].Color));
}
// draw x and y axes
colorsAxis = Enumerable.Repeat <Color>(new Color(0.95f, 0.95f, 0.95f), blockWidthLine * blockHeightLine).ToArray <Color>();
// scale also the min values so we can use them as offset later
int xLabelMinScaled = (int)(xLabelMin * xFactor);
int yLabelMinScaled = (int)(yLabelMin * yFactor);
drawAxis("x", yLabelMinScaled, colorsAxis);
drawAxis("y", xLabelMinScaled, colorsAxis);
// set their description
setAxesTitles();
// draw grid
drawGrid();
for (int i = 0; i < scaledGraphableDataList.Count; i++)
{
// loop through xValues and call drawPixelBlock for each xValue-yValue pair
// add border so that it's drawn within the axes
Color[] currentColors = Enumerable.Repeat <Color>(scaledGraphableDataList[i].Color, blockWidthLine * blockHeightLine).ToArray <Color>();
// draw legend
drawLegend(scaledGraphableDataList[i].Name, scaledGraphableDataList[i].Color, i);
for (int y = 0; y < scaledGraphableDataList[i].XDataList.Count; y++)
{
// draw each pixel based on start of axis (= border) and origin offset (= xLabelMin and yLabelMin)
drawPixelBlock(border - xLabelMinScaled + (int)scaledGraphableDataList[i].XDataList[y], border - yLabelMinScaled + (int)scaledGraphableDataList[i].YDataList[y], blockWidthLine, blockHeightLine, currentColors);
// interpolate between current and last pixel
// linear interpolation to set pixels between previous and new point
if (y > 0)
{
for (float t = 0.05f; t < 1.0f; t += 0.05f)
{
int lerpX = (int)Mathf.Lerp(border - xLabelMinScaled + scaledGraphableDataList[i].XDataList[y - 1], border - xLabelMinScaled + scaledGraphableDataList[i].XDataList[y], t);
int lerpY = (int)Mathf.Lerp(border - yLabelMinScaled + scaledGraphableDataList[i].YDataList[y - 1], border - yLabelMinScaled + scaledGraphableDataList[i].YDataList[y], t);
drawPixelBlock(lerpX, lerpY, blockWidthLine, blockHeightLine, currentColors);
}
}
}
}
// upload to graphics card
texture.Apply();
}
