91 lines
No EOL
3.3 KiB
C#
91 lines
No EOL
3.3 KiB
C#
using UnityEngine;
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namespace cylvester
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{
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public class SpectrumGeneratorPlayMode : SpectrumGenerator, ISpectrumGenerator
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{
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private IPdArraySelector arraySelector_;
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private Color32[] resetColorArray;
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public SpectrumGeneratorPlayMode(int textureWidth, int textureHeight, IPdArraySelector arraySelector)
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:base(textureWidth, textureHeight)
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{
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arraySelector_ = arraySelector;
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//generate empty texture
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Color32 resetColor = new Color32(0, 0, 0, 64); //black with alpha
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resetColorArray = Spectrum.GetPixels32();
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for (int i = 0; i < resetColorArray.Length; i++)
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{
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resetColorArray[i] = resetColor;
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}
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}
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public int Update(Rect selectionRect)
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{
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/* ## Old implementation
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var numPixels = 0;
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var data = arraySelector_.SelectedArray;
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OnAllPixels((x, y) =>
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{
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var magnitude = data[x] * 20f;
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var validPixel = magnitude > y;
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var color = validPixel ? Color.green : Color.black;
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if (IsInSelection(x, y, ref selectionRect))
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{
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color.a = 1f;
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if (validPixel)
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numPixels++;
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}
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else
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color.a = 0.2f;
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Spectrum.SetPixel(x, y, color);
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});
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Spectrum.Apply();
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return numPixels;
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*/
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//New Implementation
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var numPixels = 0;
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var data = arraySelector_.SelectedArray;
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Spectrum.SetPixels32(resetColorArray); // Reset all pixels color
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var rectcolor = Color.red;
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//Draw selection Rectangle border
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for (int i=(int)selectionRect.x;i< (selectionRect.x + (selectionRect.width - 1)); i++) //horizontal lines
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{
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Spectrum.SetPixel(i, (int) (Spectrum.height - selectionRect.y - (selectionRect.height - 1)), rectcolor); //end line
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Spectrum.SetPixel(i, (int)(Spectrum.height - selectionRect.y), rectcolor); //start line
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}
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for (int i = (int)(Spectrum.height - selectionRect.y - (selectionRect.height - 1)); i < (int)(Spectrum.height - selectionRect.y); i++) //vertical lines
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{
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Spectrum.SetPixel((int)selectionRect.x, i, rectcolor); // line left
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Spectrum.SetPixel((int)(selectionRect.x + (selectionRect.width - 1)), i, rectcolor); // line right
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}
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//Draw Spectrum and calculate numPixels
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var spectrumcolor = Color.green;
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for (int x = 0; x < Spectrum.width; x++) //iterate over sprectrum length
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{
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var magnitude = data[x] * 20f; //TODO: implement logarithmic scale for y values
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for (int y=0; y<magnitude; y++) //all pixels below spectrum value at x position
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{
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Spectrum.SetPixel(x, y, spectrumcolor);
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if (IsInSelection(x, y, ref selectionRect)) //current spectrum pixel is inside rect
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{
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numPixels++;
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}
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}
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}
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Spectrum.Apply();
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return numPixels;
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}
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}
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} |