public void CreateContainingBoxSquareTest()
{
var width = 10f;
var height = 10f;
var aspect = width / height;
var fitBox = Box2DExtensions.CreateContainingBox(width, height, aspect);
Assert.AreEqual(new Box2D(0, 0, width, height), fitBox);
}
private static void LandscapeTest(float width, float height, float aspect)
{
var fitBox = Box2DExtensions.CreateContainingBox(width, height, aspect);
var delta = .0001f;
Assert.AreEqual(0f, fitBox.MinX, delta);
Assert.AreEqual(-.5f * (aspect * width - height), fitBox.MinY, delta);
Assert.AreEqual(width, fitBox.SizeX, delta);
Assert.AreEqual(width / aspect, fitBox.SizeY, delta);
}
private static void PortraitTest(float width, float height, float aspect)
{
var fitBox = Box2DExtensions.CreateContainingBox(width, height, aspect);
var delta = .0001f;
Assert.AreEqual(-.5f * (aspect * height - width), fitBox.MinX, delta);
Assert.AreEqual(0f, fitBox.MinY, delta);
Assert.AreEqual(height * aspect, fitBox.SizeX, delta);
Assert.AreEqual(height, fitBox.SizeY, delta);
}
public void Render(IReadOnlyBox2D bounds)
{
GL.Clear(ClearBufferMask.ColorBufferBit);
GL.MatrixMode(MatrixMode.Projection);
GL.LoadIdentity();
var fitBox = Box2DExtensions.CreateContainingBox(bounds.SizeX, bounds.SizeY, aspect);
GL.Ortho(fitBox.MinX, fitBox.MaxX, fitBox.MinY, fitBox.MaxY, 0, 1);
GL.MatrixMode(MatrixMode.Modelview);
foreach (var layer in layers)
{
layer.Value.Draw();
}
}
internal void DrawLevelState(ILevelGrid levelState, Color tint)
{
UpdateLevelGeometry(levelState);
shdTexColor.Activate();
texArray.Activate();
var fitBox = Box2DExtensions.CreateContainingBox(levelState.Width, levelState.Height, windowAspect);
var camera = Matrix4x4.CreateOrthographicOffCenter(fitBox.MinX, fitBox.MaxX, fitBox.MinY, fitBox.MaxY, 0, 1);
shdTexColor.Uniform(nameof(tint), tint.ToVector4());
shdTexColor.Uniform(nameof(camera), camera, true);
vaoLevelGeometry.Draw(levelState.Width * levelState.Height);
texArray.Deactivate();
shdTexColor.Deactivate();
}
public void DrawLevelState(ILevelGrid level, Color tint)
{
GL.Color3(tint);
GL.LoadIdentity();
var fitBox = Box2DExtensions.CreateContainingBox(level.Width, level.Height, windowAspect);
GL.Ortho(fitBox.MinX, fitBox.MaxX, fitBox.MinY, fitBox.MaxY, 0.0, 1.0);
for (int x = 0; x < level.Width; ++x)
{
for (int y = 0; y < level.Height; ++y)
{
var tile = new Box2D(x, y, 1.0f, 1.0f);
var element = level.GetElement(x, y);
var tex = tileSet[element];
tex.Activate();
tile.DrawTexturedRect(Box2D.BOX01);
tex.Deactivate();
}
}
}
public void Resize(IGameState gameState, int width, int height)
{
var fitBox = Box2DExtensions.CreateContainingBox(gameState.GridWidth, gameState.GridHeight, width / (float)height);
toClipSpace = Matrix4.CreateOrthographicOffCenter(fitBox.MinX, fitBox.MaxX, fitBox.MinY, fitBox.MaxY, 0f, 1f);
}