/// <summary>
/// スカラーで除算する。
/// </summary>
/// <param name="v1">値1</param>
/// <param name="v2">値2</param>
/// <returns>v1/v2</returns>
public static Vector2DI DivideByScalar(Vector2DI v1, float v2)
{
var ret = new Vector2DI();
ret.X = (int)(v1.X / v2);
ret.Y = (int)(v1.Y / v2);
return(ret);
}
private static Vector2DF GetPosition(Vector2DI size, CenterPosition centerPosition)
{
switch(centerPosition)
{
case CenterPosition.TopLeft: return new Vector2DF(0, 0);
case CenterPosition.TopCenter: return new Vector2DF((float)size.X / 2, 0);
case CenterPosition.TopRight: return new Vector2DF(size.X, 0);
case CenterPosition.CenterLeft: return new Vector2DF(0, (float)size.Y / 2);
case CenterPosition.CenterCenter: return new Vector2DF((float)size.X / 2, (float)size.Y / 2);
case CenterPosition.CenterRight: return new Vector2DF(size.X, (float)size.Y / 2);
case CenterPosition.BottomLeft: return new Vector2DF(0, size.Y);
case CenterPosition.BottomCenter: return new Vector2DF((float)size.X / 2, size.Y);
case CenterPosition.BottomRight: return new Vector2DF(size.X, size.Y);
default: throw new Exception();
}
}
/// <summary>
/// コンストラクタ
/// </summary>
/// <param name="position">左上座標</param>
/// <param name="size">大きさ</param>
public RectI(Vector2DI position, Vector2DI size)
: this(position.X, position.Y, size.X, size.Y)
{
}
public bool Equals(Vector2DI other)
{
return(X == other.X && Y == other.Y);
}
/// <summary>
/// マウスカーソルを作成する。
/// </summary>
/// <param name="path">画像のパス</param>
/// <param name="hot">カーソルの相対座標</param>
/// <returns>カーソル</returns>
public static Cursor CreateCursor(string path, Vector2DI hot)
{
return(GC.GenerateCursor(core.CreateCursor(path, hot), GenerationType.Create));
}
protected override void OnDraw(RenderTexture2D dst, RenderTexture2D src)
{
Vector4DF weights1 = new Vector4DF();
Vector4DF weights2 = new Vector4DF();
float[] ws = new float[8];
float total = 0.0f;
float dispersion = intensity * intensity;
for (int i = 0; i < 8; i++)
{
float pos = 1.0f + 2.0f * i;
ws[i] = (float)Math.Exp(-0.5f * pos * pos / dispersion);
total += ws[i] * 2.0f;
}
weights1.X = ws[0] / total;
weights1.Y = ws[1] / total;
weights1.Z = ws[2] / total;
weights1.W = ws[3] / total;
weights2.X = ws[4] / total;
weights2.Y = ws[5] / total;
weights2.Z = ws[6] / total;
weights2.W = ws[7] / total;
var size = src.Size;
var format = src.Format;
if (tempTexture0 == null ||
(!tempTexture0.Size.Equals(Vector2DI.DivideByScalar(size, 2)) ||
tempTexture0.Format != format))
{
if (format == TextureFormat.R32G32B32A32_FLOAT)
{
tempTexture0 = Engine.Graphics.CreateRenderTexture2D(size.X / 2, size.Y / 2, TextureFormat.R32G32B32A32_FLOAT);
tempTexture1 = Engine.Graphics.CreateRenderTexture2D(size.X / 4, size.Y / 4, TextureFormat.R32G32B32A32_FLOAT);
tempTexture2 = Engine.Graphics.CreateRenderTexture2D(size.X / 8, size.Y / 8, TextureFormat.R32G32B32A32_FLOAT);
tempTexture3 = Engine.Graphics.CreateRenderTexture2D(size.X / 16, size.Y / 16, TextureFormat.R32G32B32A32_FLOAT);
downsampledTexture0 = Engine.Graphics.CreateRenderTexture2D(size.X / 2, size.Y / 2, TextureFormat.R32G32B32A32_FLOAT);
downsampledTexture1 = Engine.Graphics.CreateRenderTexture2D(size.X / 4, size.Y / 4, TextureFormat.R32G32B32A32_FLOAT);
downsampledTexture2 = Engine.Graphics.CreateRenderTexture2D(size.X / 8, size.Y / 8, TextureFormat.R32G32B32A32_FLOAT);
downsampledTexture3 = Engine.Graphics.CreateRenderTexture2D(size.X / 16, size.Y / 16, TextureFormat.R32G32B32A32_FLOAT);
}
else
{
tempTexture0 = Engine.Graphics.CreateRenderTexture2D(size.X / 2, size.Y / 2, TextureFormat.R8G8B8A8_UNORM);
tempTexture1 = Engine.Graphics.CreateRenderTexture2D(size.X / 4, size.Y / 4, TextureFormat.R8G8B8A8_UNORM);
tempTexture2 = Engine.Graphics.CreateRenderTexture2D(size.X / 8, size.Y / 8, TextureFormat.R8G8B8A8_UNORM);
tempTexture3 = Engine.Graphics.CreateRenderTexture2D(size.X / 16, size.Y / 16, TextureFormat.R8G8B8A8_UNORM);
downsampledTexture0 = Engine.Graphics.CreateRenderTexture2D(size.X / 2, size.Y / 2, TextureFormat.R8G8B8A8_UNORM);
downsampledTexture1 = Engine.Graphics.CreateRenderTexture2D(size.X / 4, size.Y / 4, TextureFormat.R8G8B8A8_UNORM);
downsampledTexture2 = Engine.Graphics.CreateRenderTexture2D(size.X / 8, size.Y / 8, TextureFormat.R8G8B8A8_UNORM);
downsampledTexture3 = Engine.Graphics.CreateRenderTexture2D(size.X / 16, size.Y / 16, TextureFormat.R8G8B8A8_UNORM);
}
}
downsample.SetTexture2D("g_texture", src);
downsample.SetTextureFilterType("g_texture", TextureFilterType.Linear);
downsample.SetVector2DF("g_offset", new Vector2DF(0.5f / (float)(size.X / 1.0f), 0.5f / (float)(size.Y / 1.0f)));
DrawOnTexture2DWithMaterial(downsampledTexture0, downsample);
downsample.SetTexture2D("g_texture", downsampledTexture0);
downsample.SetTextureFilterType("g_texture", TextureFilterType.Linear);
downsample.SetVector2DF("g_offset", new Vector2DF(0.5f / (float)(size.X / 2.0f), 0.5f / (float)(size.Y / 2.0f)));
DrawOnTexture2DWithMaterial(downsampledTexture1, downsample);
downsample.SetTexture2D("g_texture", downsampledTexture1);
downsample.SetTextureFilterType("g_texture", TextureFilterType.Linear);
downsample.SetVector2DF("g_offset", new Vector2DF(0.5f / (float)(size.X / 4.0f), 0.5f / (float)(size.Y / 4.0f)));
DrawOnTexture2DWithMaterial(downsampledTexture2, downsample);
downsample.SetTexture2D("g_texture", downsampledTexture2);
downsample.SetTextureFilterType("g_texture", TextureFilterType.Linear);
downsample.SetVector2DF("g_offset", new Vector2DF(0.5f / (float)(size.X / 8.0f), 0.5f / (float)(size.Y / 8.0f)));
DrawOnTexture2DWithMaterial(downsampledTexture3, downsample);
Material2D blurX = null;
if (isLuminanceMode)
{
blurX = material2dX_Lum;
}
else
{
blurX = material2dX;
}
// ブラー1
blurX.SetTexture2D("g_blurredTexture", downsampledTexture1);
blurX.SetVector4DF("g_weight1", weights1);
blurX.SetVector4DF("g_weight2", weights2);
blurX.SetFloat("g_threshold", threshold);
blurX.SetFloat("g_exposure", exposure);
blurX.SetTextureFilterType("g_blurredTexture", TextureFilterType.Linear);
DrawOnTexture2DWithMaterial(tempTexture1, blurX);
material2dY.SetTexture2D("g_blurredTexture", tempTexture1);
material2dY.SetVector4DF("g_weight1", weights1);
material2dY.SetVector4DF("g_weight2", weights2);
material2dY.SetTextureFilterType("g_blurredTexture", TextureFilterType.Linear);
DrawOnTexture2DWithMaterial(downsampledTexture1, material2dY);
// ブラー2
blurX.SetTexture2D("g_blurredTexture", downsampledTexture2);
blurX.SetVector4DF("g_weight1", weights1);
blurX.SetVector4DF("g_weight2", weights2);
blurX.SetFloat("g_threshold", threshold);
blurX.SetFloat("g_exposure", exposure);
blurX.SetTextureFilterType("g_blurredTexture", TextureFilterType.Linear);
DrawOnTexture2DWithMaterial(tempTexture2, blurX);
material2dY.SetTexture2D("g_blurredTexture", tempTexture2);
material2dY.SetVector4DF("g_weight1", weights1);
material2dY.SetVector4DF("g_weight2", weights2);
material2dY.SetTextureFilterType("g_blurredTexture", TextureFilterType.Linear);
DrawOnTexture2DWithMaterial(downsampledTexture2, material2dY);
// ブラー3
blurX.SetTexture2D("g_blurredTexture", downsampledTexture3);
blurX.SetVector4DF("g_weight1", weights1);
blurX.SetVector4DF("g_weight2", weights2);
blurX.SetFloat("g_threshold", threshold);
blurX.SetFloat("g_exposure", exposure);
blurX.SetTextureFilterType("g_blurredTexture", TextureFilterType.Linear);
DrawOnTexture2DWithMaterial(tempTexture3, blurX);
material2dY.SetTexture2D("g_blurredTexture", tempTexture3);
material2dY.SetVector4DF("g_weight1", weights1);
material2dY.SetVector4DF("g_weight2", weights2);
material2dY.SetTextureFilterType("g_blurredTexture", TextureFilterType.Linear);
DrawOnTexture2DWithMaterial(downsampledTexture3, material2dY);
// 合計
materialSum.SetTexture2D("g_blurred0Texture", downsampledTexture1);
materialSum.SetTexture2D("g_blurred1Texture", downsampledTexture2);
materialSum.SetTexture2D("g_blurred2Texture", downsampledTexture3);
materialSum.SetTexture2D("g_originalTexture", src);
materialSum.SetTextureFilterType("g_blurred0Texture", TextureFilterType.Linear);
materialSum.SetTextureFilterType("g_blurred1Texture", TextureFilterType.Linear);
materialSum.SetTextureFilterType("g_blurred2Texture", TextureFilterType.Linear);
materialSum.SetTextureFilterType("g_originalTexture", TextureFilterType.Linear);
DrawOnTexture2DWithMaterial(dst, materialSum);
}
public static RectI WithPosition(this RectI source, Vector2DI position)
{
return new RectI(position.X, position.Y, source.Width, source.Height);
}
public static RectI Shift(this RectI source, Vector2DI shift)
{
return new RectI(source.X + shift.X, source.Y + shift.Y, source.Width, source.Height);
}