DarthAffe/Artemis
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Implemented animated simplex noise

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Robert committed 2019-12-05 17:29:52 +01:00
1 parent 34c38ca2fe
commit e5b23075dd
7 files changed
+621 -130
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src/Artemis.Plugins.LayerElements.Noise/NoiseLayerElement.cs
+26 -30
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@@ -1,6 +1,4 @@
using System;
using System.Collections.Generic;
using System.Linq;
using Artemis.Core.Models.Profile;
using Artemis.Core.Models.Surface;
using Artemis.Core.Plugins.LayerElement;
@@ -10,42 +8,26 @@ namespace Artemis.Plugins.LayerElements.Noise
{
public class NoiseLayerElement : LayerElement
{
private SKShader _shader;
private List<SKColor> _testColors;
private SKPaint _paint;
private readonly OpenSimplexNoise _noise;
private float _z;
public NoiseLayerElement(Layer layer, Guid guid, NoiseLayerElementSettings settings, LayerElementDescriptor descriptor) : base(layer, guid, settings, descriptor)
{
Settings = settings;
_testColors = new List<SKColor>();
for (var i = 0; i < 9; i++)
{
if (i != 8)
_testColors.Add(SKColor.FromHsv(i * 32, 100, 100));
else
_testColors.Add(SKColor.FromHsv(0, 100, 100));
}
CreateShader();
Layer.RenderPropertiesUpdated += (sender, args) => CreateShader();
Settings.PropertyChanged += (sender, args) => CreateShader();
}
private void CreateShader()
{
var shader = SKShader.CreatePerlinNoiseFractalNoise(1, 1, 1, 1);
var oldShader = _shader;
var oldPaint = _paint;
_shader = shader;
_paint = new SKPaint {Shader = _shader, FilterQuality = SKFilterQuality.Low};
oldShader?.Dispose();
oldPaint?.Dispose();
_z = 0.001f;
_noise = new OpenSimplexNoise(Guid.GetHashCode());
}
public new NoiseLayerElementSettings Settings { get; }
public override void Update(double deltaTime)
{
_z += Settings.AnimationSpeed;
base.Update(deltaTime);
}
public override LayerElementViewModel GetViewModel()
{
return new NoiseLayerElementViewModel(this);
@@ -53,7 +35,21 @@ namespace Artemis.Plugins.LayerElements.Noise
public override void Render(ArtemisSurface surface, SKCanvas canvas)
{
canvas.DrawRect(Layer.AbsoluteRenderRectangle, _paint);
var width = Layer.AbsoluteRenderRectangle.Width / 2;
var height = Layer.AbsoluteRenderRectangle.Height / 2;
using (var bitmap = new SKBitmap(new SKImageInfo((int) Layer.AbsoluteRenderRectangle.Width, (int) Layer.AbsoluteRenderRectangle.Height)))
{
for (var x = 0; x < width; x++)
{
for (var y = 0; y < height; y++)
{
var v = _noise.Evaluate(Settings.XScale * x / width, Settings.YScale * y / height, _z);
bitmap.SetPixel(x, y, new SKColor(255, 255, 255, (byte) ((v + 1) * 127)));
}
}
canvas.DrawBitmap(bitmap, SKRect.Create(0, 0, width, height), Layer.AbsoluteRenderRectangle, new SKPaint {BlendMode = Settings.BlendMode});
}
}
}
}