public PlanesSample()
: base()
{
this.Window.Title = "Samurai Planes Sample";
this.spriteRenderer = new SpriteRenderer(this.Graphics);
this.shaderProgram = new BasicSpriteShaderProgram(this.Graphics);
this.planesTexture = Texture.LoadFromFile(this.Graphics, "Planes.png", new TextureParams()
{
});
this.planeSpriteSheet = SpriteSheet.Build(this.planesTexture, 64, 64);
this.font = TextureFont.Build(this.Graphics, "Segoe UI", 72, new TextureFontParams()
{
Color = Color4.White,
BackgroundColor = Color4.Transparent,
});
Random random = new Random();
this.planes = new List<Plane>();
for (int i = 0; i < PlaneCount; i++)
{
this.planes.Add(new Plane(
random.Next(4) * 3,
new Vector2(random.Next(this.Window.Width), random.Next(this.Window.Height)),
(float)random.Next(360),
new Size(this.Window.Width, this.Window.Height)
));
}
}
public WavingFlagSample()
: base()
{
this.Window.Title = "Samurai Waving Flag Sample";
this.shader = new ShaderProgram(
this.Graphics,
VertexShader.Compile(this.Graphics, File.ReadAllText("WavingFlagSample.vert")),
FragmentShader.Compile(this.Graphics, File.ReadAllText("WavingFlagSample.frag")));
this.Graphics.ShaderProgram = this.shader;
this.texture = Texture.LoadFromFile(this.Graphics, "Flag.png", TextureParams.Default);
int totalChunks = 100;
int chunkSize = this.texture.Width / totalChunks;
Rectangle destination = new Rectangle(
(this.Window.Width - this.texture.Width) / 2,
(this.Window.Height - this.texture.Height) / 2,
chunkSize,
this.texture.Height);
Rectangle source = new Rectangle(0, 0, chunkSize, this.texture.Height);
Vertex[] vertexData = new Vertex[totalChunks * 4];
for (int i = 0; i < totalChunks * 4; i += 4)
{
vertexData[i] = new Vertex() { Position = new Vector2(destination.X, destination.Y), UV = new Vector2(source.X / (float)texture.Width, 0) };
vertexData[i + 1] = new Vertex() { Position = new Vector2(destination.X + chunkSize, destination.Y), UV = new Vector2((source.X + chunkSize) / (float)texture.Width, 0) };
vertexData[i + 2] = new Vertex() { Position = new Vector2(destination.X + chunkSize, destination.Y + this.texture.Height), UV = new Vector2((source.X + chunkSize) / (float)texture.Width, 1.0f) };
vertexData[i + 3] = new Vertex() { Position = new Vector2(destination.X, destination.Y + this.texture.Height), UV = new Vector2(source.X / (float)texture.Width, 1.0f) };
destination.X += chunkSize;
source.X += chunkSize;
}
this.vertexBuffer = new StaticVertexBuffer<Vertex>(this.Graphics, vertexData);
ushort[] indexData = new ushort[vertexData.Length * 6];
for (ushort i = 0, vertex = 0; i < indexData.Length; i += 6, vertex += 4)
{
indexData[i] = vertex;
indexData[i + 1] = (ushort)(vertex + 1);
indexData[i + 2] = (ushort)(vertex + 2);
indexData[i + 3] = vertex;
indexData[i + 4] = (ushort)(vertex + 2);
indexData[i + 5] = (ushort)(vertex + 3);
}
this.indexBuffer = new StaticIndexBuffer<ushort>(this.Graphics, indexData);
}
public FractalSample()
{
this.Window.Title = "Fractals";
this.shaderProgram = new ShaderProgram(
this.Graphics,
VertexShader.Compile(this.Graphics, File.ReadAllText("Mandelbrot.vert")),
FragmentShader.Compile(this.Graphics, File.ReadAllText("Mandelbrot.frag")));
this.Graphics.ShaderProgram = this.shaderProgram;
this.vertexBuffer = new StaticVertexBuffer<Vertex>(this.Graphics, this.vertexData);
this.palette = Texture.LoadFromFile(this.Graphics, "Palette.png", new TextureParams()
{
WrapS = TextureWrap.Repeat,
WrapT = TextureWrap.Repeat
});
this.keyboard = new Keyboard(this.Window);
}
public static Texture LoadFromBytes(GraphicsContext graphics, byte[] bytes, int width, int height, TextureParams parameters)
{
if (graphics == null)
throw new ArgumentNullException("graphics");
if (bytes == null)
throw new ArgumentNullException("bytes");
Texture texture = new Texture(graphics);
graphics.GL.ActiveTexture(GLContext.Texture0 + texture.Index);
graphics.GL.BindTexture(GLContext.Texture2D, texture.Handle);
if (parameters.ColorKey != null)
{
for (int i = 0; i < bytes.Length; i += 4)
{
uint pixel = GLHelper.MakePixelRGBA(bytes[i], bytes[i + 1], bytes[i + 2], bytes[i + 3]);
if (pixel == parameters.ColorKey.Value.ToRgba())
GLHelper.DecomposePixelRGBA(parameters.TransparentPixel.ToRgba(), out bytes[i], out bytes[i + 1], out bytes[i + 2], out bytes[i + 3]);
}
}
graphics.GL.TexParameteri(GLContext.Texture2D, GLContext.TextureMagFilter, (int)parameters.MagFilter);
graphics.GL.TexParameteri(GLContext.Texture2D, GLContext.TextureMinFilter, (int)parameters.MinFilter);
graphics.GL.TexParameteri(GLContext.Texture2D, GLContext.TextureWrapS, (int)parameters.WrapS);
graphics.GL.TexParameteri(GLContext.Texture2D, GLContext.TextureWrapT, (int)parameters.WrapT);
graphics.GL.TexImage2D(
GLContext.Texture2D,
0,
(int)GLContext.Rgba8,
width,
height,
0,
GLContext.Rgba,
(int)GLContext.UnsignedByte,
bytes);
texture.Width = width;
texture.Height = height;
return texture;
}
protected override void InitializeControl()
{
IUIContentLoader contentLoader = (IUIContentLoader)this.Services.GetRequiredService<IUIContentLoader>();
this.Texture = contentLoader.LoadButtonTexture();
if (this.Texture == null)
throw new InvalidOperationException("IUIContentLoader failed to load Button texture.");
}
public void SetValue(string name, Texture texture)
{
int location = this.GetUniformLocation(name);
this.Graphics.GL.Uniform1i(location, (int)texture.Index);
}
