/// <summary>
/// Constructor.
/// </summary>
/// <param name="graphics"></param>
/// <param name="maxSprites">The maximum number of sprites which can be batched.</param>
public SpriteRenderer(GraphicsContext graphics, int maxSprites)
{
if (graphics == null)
throw new ArgumentNullException("graphics");
if (maxSprites <= 0)
throw new ArgumentOutOfRangeException("maxSprites", "MaxSprites must be >= 1.");
this.graphics = graphics;
this.vertices = new Vertex[maxSprites * 4];
this.vertexBuffer = new DynamicVertexBuffer<Vertex>(this.graphics);
ushort[] indices = new ushort[1024 * 6];
for (ushort i = 0, vertex = 0; i < indices.Length; i += 6, vertex += 4)
{
indices[i] = vertex;
indices[i + 1] = (ushort)(vertex + 1);
indices[i + 2] = (ushort)(vertex + 3);
indices[i + 3] = (ushort)(vertex + 1);
indices[i + 4] = (ushort)(vertex + 2);
indices[i + 5] = (ushort)(vertex + 3);
}
this.indexBuffer = new StaticIndexBuffer<ushort>(this.graphics, indices);
this.transform = new Matrix4()
{
M33 = 1f,
M44 = 1f,
M41 = -1f,
M42 = 1f
};
}
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 = Texture2D.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);
}
protected override void DisposeManagedResources()
{
this.vertexBuffer.Dispose();
this.vertexBuffer = null;
this.indexBuffer.Dispose();
this.indexBuffer = null;
}
public DemoGame()
{
this.Window.Title = "Samurai Demo";
this.Graphics.BlendEnabled = true;
this.Graphics.SourceBlendFactor = SourceBlendFactor.SourceAlpha;
this.Graphics.DestinationBlendFactor = DestinationBlendFactor.OneMinusDestinationAlpha;
this.Graphics.DepthBufferEnabled = true;
this.Graphics.DepthFunction = DepthFunction.LessThanOrEqual;
this.Graphics.FrontFace = FrontFace.Clockwise;
this.Graphics.CullMode = CullMode.Back;
this.shaderProgram = new ShaderProgram(
this.Graphics,
VertexShader.Compile(this.Graphics, File.ReadAllText("Shader.vert")),
FragmentShader.Compile(this.Graphics, File.ReadAllText("Shader.frag")));
this.vertexBuffer = new StaticVertexBuffer<Vertex>(this.Graphics, this.vertexData);
this.indexBuffer = new StaticIndexBuffer<byte>(this.Graphics, this.indexData);
this.texture0 = Texture2D.LoadFromFile(this.Graphics, "Texture0.png", new TextureParams()
{
WrapS = TextureWrap.Repeat,
WrapT = TextureWrap.Repeat
});
this.texture1 = Texture2D.LoadFromFile(this.Graphics, "Texture1.png", new TextureParams()
{
WrapS = TextureWrap.Clamp,
WrapT = TextureWrap.Clamp
});
this.gamePad1 = new GamePad(GamePadIndex.One);
this.controlInputHandler = new ControlInputHandler(this.Window);
this.controlRenderer = new ControlRenderer(this.Graphics);
this.controlRenderer.DefaultFont = TextureFont.Build(this.Graphics, "Segoe UI", 72, new TextureFontParams()
{
BackgroundColor = Color4.Transparent
});
this.panel = new Panel()
{
Position = new Vector2(100, 100),
Size = new Size(100, 100)
};
this.label = new Label()
{
Text = "Hello World!",
Font = TextureFont.Build(this.Graphics, "Segoe UI", 24, new TextureFontParams() { BackgroundColor = Color4.Transparent })
};
this.label.CursorEnter += (s, e) => { this.label.ForegroundColor = Color4.Black; };
this.label.CursorLeave += (s, e) => { this.label.ForegroundColor = Color4.White; };
this.panel.Controls.Add(label);
}
