36 lines
1 KiB
C#
36 lines
1 KiB
C#
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using System;
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using UnityEngine;
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namespace cylvester
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{
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public interface ISpectrumGenerator
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{
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Texture2D Spectrum { get; }
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int Update(Rect selectionRect);
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}
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public abstract class SpectrumGenerator
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{
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public Texture2D Spectrum { get; }
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protected SpectrumGenerator(int textureWidth, int textureHeight)
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{
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Spectrum = new Texture2D(textureWidth, textureHeight);
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}
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protected void OnAllPixels(Action<int, int> action)
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{
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for (var x = 0; x < Spectrum.width; x++)
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for (var y = 0; y < Spectrum.height; y++)
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action(x, y);
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}
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protected bool IsInSelection(int x, int y, ref Rect selectionRect)
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{
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var inRectHorizontally = selectionRect.x < x && x < selectionRect.x + (selectionRect.width-1);
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var mY = Spectrum.height - selectionRect.y;
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var inRectVertically = mY - (selectionRect.height-1) < y && y < mY;
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return inRectHorizontally && inRectVertically;
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}
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}
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}
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