public ConvexHull(Renderer renderer, Mesh polygonGeometry)
{
if (renderer == null)
throw new ArgumentNullException("renderer", "Can't create a ConvexHull with a null renderer.");
if (polygonGeometry == null)
throw new ArgumentNullException("polygonGeometry", "Can't create a ConvexHull without a valid " +
"mesh.");
this.renderer = renderer;
this.polygonGeometry = polygonGeometry;
effect = GlobalResourceCache.CreateEffectFromFile(renderer,
"Effect Files\\Dynamic2DLightingEffect.fx");
}
/// <summary>
/// Initializes the game. Loads all resources.
/// </summary>
protected override void InitializeGame()
{
Cursor.Hide();
mouse = new MouseDevice(this);
renderer.ProjectionMode = ProjectionMode.Orthogonal;
renderer.ViewMatrix = Matrix.LookAtLH(new Vector3(0, 0, 5.0f), new Vector3(),
new Vector3(0, 1, 0));
effect = GlobalResourceCache.CreateEffectFromFile(renderer,
"Effect Files\\Dynamic2DLightingEffect.fx");
rectMesh = Mesh.Rectangle(renderer, Color.White, renderer.FullscreenSize.Width,
renderer.FullscreenSize.Height, 1.0f);
material = GlobalResourceCache.CreateMaterialFromFile(renderer, "Materials\\roughWallMaterial.xml");
light = new Light(renderer, 350, 1.0f, new Vector2(), Color.Red);
sceneImage = new Texture(renderer, renderer.FullscreenSize.Width, renderer.FullscreenSize.Height,
true);
lightMesh = Mesh.Circle(renderer, Color.Yellow, Color.Yellow, 6, 16);
bloomPostProcessor = new BloomPostProcessor(renderer);
bloomPostProcessor.Blur = 3.5f;
bloomPostProcessor.BloomScale = 1.5f;
bloomPostProcessor.BrightPassThreshold = 0.4f;
poly1 = new ConvexHull(renderer, Mesh.Circle(renderer, Color.Blue, Color.Blue, 65, 8));
poly1.Position = new Vector2(-150.0f, 150.0f);
poly2 = new ConvexHull(renderer, Mesh.Circle(renderer, Color.Red, Color.Purple, 50, 4));
poly2.Position = new Vector2(200.0f, 0.0f);
poly3 = new ConvexHull(renderer, Mesh.Circle(renderer, Color.SaddleBrown, Color.SeaGreen,
60, 32));
poly3.Position = new Vector2(-250.0f, -200.0f);
this.KeyDown += new KeyEventHandler(OnKeyDown);
}
public ConvexHull(Renderer renderer, Mesh polygonGeometry, Vector2 position,
float rotation, float size)
{
if (renderer == null)
throw new ArgumentNullException("renderer", "Can't create a ConvexHull with a null renderer.");
if (polygonGeometry == null)
throw new ArgumentNullException("polygonGeometry", "Can't create a ConvexHull without a valid " +
"mesh.");
this.renderer = renderer;
this.polygonGeometry = polygonGeometry;
this.position = position;
this.rotation = rotation;
this.size = size;
effect = GlobalResourceCache.CreateEffectFromFile(renderer,
"Effect Files\\Dynamic2DLightingEffect.fx");
CalculateWorldMatrix();
}
/// <summary>
/// Initializes the BloomPostProcessor.
/// </summary>
public BloomPostProcessor(Renderer renderer)
{
if (renderer == null)
throw new ArgumentNullException("renderer", "Can't create the BloomPostProcessor with a "
+ "null Renderer reference.");
this.renderer = renderer;
brightPassTex = new Texture(renderer, renderer.FullscreenSize.Width / 2,
renderer.FullscreenSize.Height / 2, true);
blurHorizontalTex = new Texture(renderer, renderer.FullscreenSize.Width / 2,
renderer.FullscreenSize.Height / 2, true);
blurVerticalTex = new Texture(renderer, renderer.FullscreenSize.Width / 2,
renderer.FullscreenSize.Height / 2, true);
finalBloomImage = new Texture(renderer, renderer.FullscreenSize.Width,
renderer.FullscreenSize.Height, true);
fullscreenQuad = Mesh.Rectangle(renderer, Color.Black, renderer.FullscreenSize.Width,
renderer.FullscreenSize.Height);
bloomEffect = GlobalResourceCache.CreateEffectFromFile(renderer,
"Effect Files\\Bloom.fx");
}
/// <summary>
/// Builds a rectangular mesh, centered around the origin.
/// </summary>
public static Mesh Rectangle(Renderer renderer, Color color, float width, float height,
float textureMapTiling)
{
Mesh rectMesh = new Mesh(renderer, 4, 2);
rectMesh.AddVertex(0, new Vector3(-width / 2, height / 2, 1.0f), color,
new Vector2(0.0f, 0.0f));
rectMesh.AddVertex(1, new Vector3(width / 2, height / 2, 1.0f), color,
new Vector2(textureMapTiling, 0.0f));
rectMesh.AddVertex(2, new Vector3(width / 2, -height / 2, 1.0f), color,
new Vector2(textureMapTiling, textureMapTiling));
rectMesh.AddVertex(3, new Vector3(-width / 2, -height / 2, 1.0f), color,
new Vector2(0.0f, textureMapTiling));
rectMesh.AddTriangle(0, 0, 1, 2);
rectMesh.AddTriangle(1, 0, 2, 3);
return rectMesh;
}
/// <summary>
/// Builds a circular mesh centered around the origin.
/// </summary>
public static Mesh Circle(Renderer renderer, Color centerColor, Color rimColor, float radius,
int numSubdivisions)
{
Mesh circleMesh = new Mesh(renderer, numSubdivisions, numSubdivisions - 2);
float angleStep = (2 * (float)Math.PI) / numSubdivisions;
for (int i = 0; i < numSubdivisions; ++i)
{
circleMesh.AddVertex(i, new Vector3(radius * (float)Math.Cos(angleStep * i),
radius * (float)Math.Sin(angleStep * i), 1.0f), rimColor, new Vector2());
}
for (int i = 2, count = 0; i < numSubdivisions - 1; ++i, ++count)
{
circleMesh.AddTriangle(count, 0, i, i - 1);
}
circleMesh.AddTriangle(numSubdivisions - 3, 0, numSubdivisions - 2, numSubdivisions - 1);
return circleMesh;
}
private void CreateAttenuationCircle()
{
if (attenuationCircle != null)
attenuationCircle.Dispose();
attenuationCircle = Mesh.Circle(renderer, Color.FromArgb((int)(intensity * 255), 0, 0, 0),
Color.FromArgb(0, 0, 0, 0), range, 32);
}
