public static void AddModel(Search3DBase<FacetRef> search, KModel model)
{
for (int facetIndex = 0; facetIndex < model.Facets.Count; facetIndex++)
{
var facet = model.Facets[facetIndex];
search.AddTriangle(new FacetRef() { Model = model, faId = facetIndex },
model.Vertices[facet.Ve0].Pt, model.Vertices[facet.Ve1].Pt, model.Vertices[facet.Ve2].Pt);
}
}
public void Update(Search3DBase<FacetRef> levelSearch)
{
// Gravity
Velocity.Z -= 0.005f;
// Resistance (friction)
if (IsOnTheGround)
{
const float lmod = 256*0.02f;
var T1 = lmod*Velocity.LengthSquared();
if (T1 < 0.05f) T1 = 0.05f;
Velocity *= (1 - T1);
// max 1.5 pixels!
}
// Move
PositionLast = Position;
Position += Velocity;
// Collision
IsOnTheGround = false;
Vector3d ptClosest;
while (levelSearch.ClosestPointToPoint(Position, Radius, out ptClosest) != null)
{
var vOut = Position - (Vector3)ptClosest;
var dirOut = vOut.Normalized();
var penetration = Radius - vOut.Length();
Position += (penetration + 0.001f) * dirOut;
var velocityTangential = Velocity.ProjectOrthogonal(dirOut);
var velocityNormal = Velocity - velocityTangential;
velocityNormal *= -0.5f;
if (velocityNormal.Length() < 0.01f)
velocityNormal = Vector3.Zero;
Velocity = velocityTangential + velocityNormal;
if (dirOut.Z > 0.5)
IsOnTheGround = true;
}
// Rotate
var move = Position - PositionLast;
var axis = new Vector2(-move.Y, move.X);
var angle = new Vector2(move.X, move.Y).Length() / Radius;
if (angle > 0.1 * Math.PI / 180)
{
Orientation = Orientation * Matrix.CreateFromAxisAngle(new Vector3(axis, 0).Normalized(), angle);
//ToDo: enforce orthogonality
}
}
/// <summary>
/// LoadContent will be called once per game and is the place to load
/// all of your content.
/// </summary>
protected override void LoadContent()
{
// Create a new SpriteBatch, which can be used to draw textures.
_spriteBatch = new SpriteBatch(GraphicsDevice);
_font = Content.Load<SpriteFont>(@"Fonts\TestFont");
// TODO: use this.Content to load your game content here
_imageKK = Content.Load<Texture2D>(@"Images\KK");
var imageFloor = Content.Load<Texture2D>(@"Images\FloorWoodLight");
var imageBox = Content.Load<Texture2D>(@"Images\BoxSides");
var imageBall = Content.Load<Texture2D>(@"Images\football");
var imageSpikyBall = Content.Load<Texture2D>(@"Images\spiky");
_levelSearch = new Search3DSimple<FacetRef>();
var model = new KModel();
model.TexCoordsAreInPixels = false;
int size = 100;
model.AddQuad(
model.AddVertex(new Vector3(-size, -size, 0)),
model.AddVertex(new Vector3(size, -size, 0)),
model.AddVertex(new Vector3(-size, size, 0)),
model.AddVertex(new Vector3(size, size, 0)),
new Rectangle(0, 0, 10, 10));
_drawableKK = new DrawableModel(model, imageFloor, GraphicsDevice, false);
ModelSearch.AddModel(_levelSearch, model);
model = new KModel();
var boxes = new List<Vector3>
{
new Vector3(1, 1, 0), new Vector3(2, 1, 0), new Vector3(2, 1, 1), new Vector3(2, 1, 2),
new Vector3(3, 1, 0), new Vector3(3, 1, 1), new Vector3(3, 1, 2),
new Vector3(-2, 1, 0), new Vector3(-2, 1, 1),
new Vector3(-3, -3, 0), new Vector3(-3, -3, 1), new Vector3(-3, -3, 2), new Vector3(-3, -3, 3),
new Vector3(-3, -6, 0), new Vector3(-3, -6, 1), new Vector3(-3, -6, 2), new Vector3(-3, -6, 3),
new Vector3(-3, -4, 3), new Vector3(-3, -5, 3),
};
for (int j = 0; j < 5; j++)
for (int i = -20; i < 20; i++)
{
//boxes.Add(new Vector3(i, -20, j));
boxes.Add(new Vector3(-20, i + 1, j));
boxes.Add(new Vector3(i + 1, 20, j));
boxes.Add(new Vector3(20, i, j));
}
foreach (var corner in boxes)
model.AddBox(new BoundingBox(corner, corner + new Vector3(1, 1, 1)), new Rectangle(0, 128, 225, 225), false);
/* model.AddBox(new BoundingBox(new Vector3(3, 3, 1), new Vector3(5, 5, 3)), new Rectangle(0, 0, 64, 64), true);
model.AddBox(new BoundingBox(new Vector3(-5, -5, 1), new Vector3(-3, -3, 3)), new Rectangle(0, 0, 64, 64), true); */
model.AddBox(new BoundingBox(new Vector3(2, -5, 0), new Vector3(2, -5, 0) + new Vector3(2.5f, 2.5f, 2.5f)), new Rectangle(0, 128, 225, 225), false);
_drawableBox = new DrawableModel(model, imageBox, GraphicsDevice, false);
ModelSearch.AddModel(_levelSearch, model);
model = GeometricalPrimitives.CreateBall(2, new Rectangle(0, 0, 1, 1));
model.TexCoordsAreInPixels = false;
_drawableBall = new DrawableModel(model, imageBall, GraphicsDevice, true);
model = GeometricalPrimitives.CreateSpikyBall(3, 0.2f, new Rectangle(0, 0, 1, 1));
model.TexCoordsAreInPixels = false;
_drawableSpikyBall = new DrawableModel(model, imageSpikyBall, GraphicsDevice, true);
SceneRenderer.EnableShadows(GraphicsDevice, Content.Load<Effect>(@"Shaders\ShadowCasting"), 4, 2048);
InitLights();
}
