public void Initialize(Vector2 p0, Vector2 p1, Vector2 p2, Vector2 p3, DynamicRenderMeshes m, Camera camera, int t)
{
type = t;
var verticesMap = new Dictionary <Vector3, int>(new VectorEqualityComparer());
MeshesInfo.Clear();
var invProjection = camera.ProjectMatrix.Inverted();
point0 = SliceController.UnprojectPoint(p0, camera.WindowWidth, camera.WindowHeight, invProjection);
point1 = SliceController.UnprojectPoint(p1, camera.WindowWidth, camera.WindowHeight, invProjection);
point2 = SliceController.UnprojectPoint(p2, camera.WindowWidth, camera.WindowHeight, invProjection);
point3 = SliceController.UnprojectPoint(p3, camera.WindowWidth, camera.WindowHeight, invProjection);
var d0 = (point0 + point1) * 0.5f;
var d1 = (point2 + point3) * 0.5f;
center = (d0 + d1) * 0.5f;
directionHorisontal = d1 - d0;
halfSize.X = directionHorisontal.Length * 0.5f;
directionHorisontal.Normalize();
directionVertical = point0 - point1;
halfSize.Y = directionVertical.Length * 0.5f;
directionVertical.Normalize();
meshes = m;
foreach (var mesh in meshes)
{
verticesMap.Clear();
var meshInfo = new ShapeMeshInfo();
var tempVertices = mesh.GetVertices();
var tempNormals = mesh.GetNormals();
var transform = mesh.Transform * camera.ViewMatrix;
meshInfo.InverceTransform = transform.Inverted();
var normals = new List <Vector3>();
for (var i = 0; i < tempVertices.Count; i++)
{
var vertex = tempVertices[i];
int index;
if (!verticesMap.TryGetValue(vertex, out index))
{
index = meshInfo.Vertices.Count;
meshInfo.Vertices.Add(vertex);
normals.Add(tempNormals[i]);
verticesMap.Add(vertex, index);
}
meshInfo.Indices.Add(index);
}
var dt = halfSize.X / linesCount;
foreach (var p in verticesMap)
{
var position = Vector3.Transform(p.Key, transform);
if (PointInRectangle(ref point0, ref point1, ref point2, ref point3, ref position))
{
var shapePoint = new ShapePoint();
meshInfo.Points.Add(p.Value, shapePoint);
shapePoint.OriginalPosition = position;
var v = position.Xy - center;
shapePoint.LocalPosition.X = Vector2.Dot(directionHorisontal, v);
shapePoint.LocalPosition.Y = Vector2.Dot(directionVertical, v);
switch (type)
{
case 0: //shape
shapePoint.K = 1.0f - Math.Abs(shapePoint.LocalPosition.Y / halfSize.Y);
break;
case 1: //stretch
shapePoint.K = Math.Abs((shapePoint.LocalPosition.X + halfSize.X) / (halfSize.X * 2.0f));
break;
case 2: //pleat
var x = shapePoint.LocalPosition.X + halfSize.X;
var l0 = (int)Math.Floor(x / dt);
x -= l0 * dt;
var ky = 1.0f - Math.Abs(shapePoint.LocalPosition.Y / halfSize.Y);
shapePoint.K = Math.Abs((x / dt) * 2.0f - 1.0f) * ky;
var normal = Vector3.Transform(normals[p.Value], transform);
if (normal.Z < 0.0f)
{
shapePoint.K = -shapePoint.K;
}
break;
}
}
}
MeshesInfo.Add(mesh.Id, meshInfo);
}
}
public void Initialize(Vector2 p0, Vector2 p1, Vector2 p2, Vector2 p3, DynamicRenderMeshes m, Camera camera, int t)
{
type = t;
var verticesMap = new Dictionary<Vector3, int>(new VectorEqualityComparer());
MeshesInfo.Clear();
var invProjection = camera.ProjectMatrix.Inverted();
point0 = SliceController.UnprojectPoint(p0, camera.WindowWidth, camera.WindowHeight, invProjection);
point1 = SliceController.UnprojectPoint(p1, camera.WindowWidth, camera.WindowHeight, invProjection);
point2 = SliceController.UnprojectPoint(p2, camera.WindowWidth, camera.WindowHeight, invProjection);
point3 = SliceController.UnprojectPoint(p3, camera.WindowWidth, camera.WindowHeight, invProjection);
var d0 = (point0 + point1) * 0.5f;
var d1 = (point2 + point3) * 0.5f;
center = (d0 + d1) * 0.5f;
directionHorisontal = d1 - d0;
halfSize.X = directionHorisontal.Length * 0.5f;
directionHorisontal.Normalize();
directionVertical = point0 - point1;
halfSize.Y = directionVertical.Length * 0.5f;
directionVertical.Normalize();
meshes = m;
foreach (var mesh in meshes)
{
verticesMap.Clear();
var meshInfo = new ShapeMeshInfo();
var tempVertices = mesh.GetVertices();
var tempNormals = mesh.GetNormals();
var transform = mesh.Transform * camera.ViewMatrix;
meshInfo.InverceTransform = transform.Inverted();
var normals = new List<Vector3>();
for (var i = 0; i < tempVertices.Count; i++)
{
var vertex = tempVertices[i];
int index;
if (!verticesMap.TryGetValue(vertex, out index))
{
index = meshInfo.Vertices.Count;
meshInfo.Vertices.Add(vertex);
normals.Add(tempNormals[i]);
verticesMap.Add(vertex, index);
}
meshInfo.Indices.Add(index);
}
var dt = halfSize.X / linesCount;
foreach (var p in verticesMap)
{
var position = Vector3.Transform(p.Key, transform);
if (PointInRectangle(ref point0, ref point1, ref point2, ref point3, ref position))
{
var shapePoint = new ShapePoint();
meshInfo.Points.Add(p.Value, shapePoint);
shapePoint.OriginalPosition = position;
var v = position.Xy - center;
shapePoint.LocalPosition.X = Vector2.Dot(directionHorisontal, v);
shapePoint.LocalPosition.Y = Vector2.Dot(directionVertical, v);
switch (type)
{
case 0://shape
shapePoint.K = 1.0f - Math.Abs(shapePoint.LocalPosition.Y / halfSize.Y);
break;
case 1://stretch
shapePoint.K = Math.Abs((shapePoint.LocalPosition.X + halfSize.X) / (halfSize.X * 2.0f));
break;
case 2://pleat
var x = shapePoint.LocalPosition.X + halfSize.X;
var l0 = (int)Math.Floor(x / dt);
x -= l0 * dt;
var ky = 1.0f - Math.Abs(shapePoint.LocalPosition.Y / halfSize.Y);
shapePoint.K = Math.Abs((x / dt) * 2.0f - 1.0f) * ky;
var normal = Vector3.Transform(normals[p.Value], transform);
if (normal.Z < 0.0f)
shapePoint.K = -shapePoint.K;
break;
}
}
}
MeshesInfo.Add(mesh.Id, meshInfo);
}
}
