public BreakableObj1(
World world,
ScreenManager screenManager,
Vector2 position,
Camera2D camera,
string texturePath,
TriangulationAlgorithm triangulationAlgorithm,
Vector2 scale,
float strength,
float massKoef)
{
_world = world;
_screenManager = screenManager;
_camera = camera;
_texturePath = texturePath;
_textureScale = scale;
_triangulationAlgorithm = triangulationAlgorithm;
#region "Триангуляция текстуры в полигоны"
Texture2D alphabet = _screenManager.Content.Load <Texture2D>(_texturePath);
uint[] data = new uint[alphabet.Width * alphabet.Height];
alphabet.GetData(data);
List <Vertices> list = PolygonTools.CreatePolygon(data, alphabet.Width, 3.5f, 20, true, true);
for (int i = 0; i < list.Count; i++)
{
list[i].Scale(new Vector2(1f, -1f)); // flip Vert
}
List <Vertices> triangulated = new List <Vertices>();
for (int i = 0; i < list.Count; i++)
{
polygon = list[i];
centroid = -polygon.GetCentroid();
polygon.Translate(ref centroid);
polygon = SimplifyTools.CollinearSimplify(polygon);
polygon = SimplifyTools.ReduceByDistance(polygon, 4);
triangulated = Triangulate.ConvexPartition(polygon, triangulationAlgorithm);
Vector2 vertScale = _textureScale /*new Vector2(0.01f, 0.01f)*//*(new Vector2(13.916667f, 23.25f) / new Vector2(alphabet.Width, alphabet.Height)) * scale*//*0.5f*/;
foreach (Vertices vertices in triangulated)
{
vertices.Scale(ref vertScale);
}
}
_breakableBody = new SegmentableBody(_world, triangulated, 1);
_breakableBody.MainBody.Position = position;
//_breakableBody.MainBody.Mass = 5f;
_breakableBody.MainBody.SetFriction(_breakableBody.MainBody.Mass * 50f);
_breakableBody.Strength = /*50*/ strength * massKoef;
#endregion
#region "Массивы для индексного рассчета вершин под графен"
//2.1)лист вершин для каждого полигона
List <Vertices> temp = _breakableBody.Parts
.Select(a => ((PolygonShape)(a.Shape)).Vertices)
.ToList();
//2.2)коллекция для подсчета суммарного количества вершин
IEnumerable <VertexPositionTexture> temp2 = new VertexPositionTexture[0];
//2.3)буфер вершин под каждый полигон
vertexBuffers = new List <VertexBuffer>();
//2.4)координаты центров полигонов для сортировки вершин этих полигонов относительно их центров
centroids = new List <Vector2>();
//2.5)сортированый массив вершин и их цветов полигонов для отрисовки
TESTListOfVertices = new List <VertexPositionTexture[]>();
//Поиск размера исходного объекта
float mainBodyWidth = 0f;
float mainBodyHeight = 0f;
//Поиск смещения объекта в отрицательную часть координатной плоскости
float leftOffsetFromZero = temp.First().First().X; //для всего объекта, а не отдельных полигонов
float downOffsetFromZero = temp.First().First().Y;
float rightOffsetFromZero = temp.First().First().X; //для всего объекта, а не отдельных полигонов
float upOffsetFromZero = temp.First().First().Y;
for (int i = 0; i < temp.Count; i++)
{
for (int j = 0; j < temp[i].Count; j++)
{
if (temp[i][j].X <= leftOffsetFromZero)
{
leftOffsetFromZero = temp[i][j].X;
}
if (temp[i][j].Y <= downOffsetFromZero)
{
downOffsetFromZero = temp[i][j].Y;
}
if (temp[i][j].X >= rightOffsetFromZero)
{
rightOffsetFromZero = temp[i][j].X;
}
if (temp[i][j].Y >= upOffsetFromZero)
{
upOffsetFromZero = temp[i][j].Y;
}
}
}
mainBodyWidth = Math.Abs(leftOffsetFromZero - rightOffsetFromZero);
mainBodyHeight = Math.Abs(downOffsetFromZero - upOffsetFromZero);
leftOffsetFromZero = Math.Abs(leftOffsetFromZero);
downOffsetFromZero = Math.Abs(downOffsetFromZero);
//rightOffsetFromZero = Math.Abs(rightOffsetFromZero);
//upOffsetFromZero = Math.Abs(upOffsetFromZero);
for (int i = 0; i < temp.Count; i++)
{
var tempUnsorted = temp[i]
.Select(a => new VertexPositionTexture(
new Vector3(a.X, a.Y, 0f),
/*Color.Crimson*/ new Vector2(a.X, a.Y)))
.ToArray();
temp2 = temp2.Concat(tempUnsorted);
var centr = temp[i].GetCentroid();
centroids.Add(centr);
var temp3 = VertexClockwiseSort(tempUnsorted, centr);
//for (int j = 0; j < temp3.Length; j++)
//{
// temp3[j].Position.Z = -10f;/////////////////////////////////////////////
//}
for (int j = 0; j < temp3.Length; j++)
{
temp3[j].TextureCoordinate.X = ((temp3[j].TextureCoordinate.X + leftOffsetFromZero) / ((mainBodyWidth /*width*/)));
temp3[j].TextureCoordinate.Y = 1f - ((temp3[j].TextureCoordinate.Y + downOffsetFromZero) / ((mainBodyHeight /*height*/)));
}
TESTListOfVertices.Add(temp3);
}
triangleVertices = temp2.ToArray();
//(2.2)
int verticesCount = 0;
foreach (var e in TESTListOfVertices)
{
verticesCount += e.Length;
}
//(2.3)
foreach (var e in TESTListOfVertices)
{
var vb = new VertexBuffer(
_screenManager.GraphicsDevice,
typeof(VertexPositionTexture),
e.Length,
BufferUsage.None);
vb.SetData(e);
vertexBuffers.Add(vb);
}
#endregion
effect = new BasicEffect(_screenManager.GraphicsDevice);
texture = _screenManager.Content.Load <Texture2D>(/*"wood2"*//*"wood-plank2"*/ texturePath);
effect.TextureEnabled = true;
effect.Texture = texture;
//буферы индексов для полигонов с разным числом вершин
indexBuffer3 = new IndexBuffer(_screenManager.GraphicsDevice, typeof(short), 36, BufferUsage.WriteOnly);
indexBuffer3.SetData <short>(TriangleCubeIndices.triangleCubeIndices3_1);
indexBuffer4 = new IndexBuffer(_screenManager.GraphicsDevice, typeof(short), 36, BufferUsage.WriteOnly);
indexBuffer4.SetData <short>(TriangleCubeIndices.triangleCubeIndices4_1);
indexBuffer5 = new IndexBuffer(_screenManager.GraphicsDevice, typeof(short), 36, BufferUsage.WriteOnly);
indexBuffer5.SetData <short>(TriangleCubeIndices.triangleCubeIndices5_1);
indexBuffer6 = new IndexBuffer(_screenManager.GraphicsDevice, typeof(short), 36, BufferUsage.WriteOnly);
indexBuffer6.SetData <short>(TriangleCubeIndices.triangleCubeIndices6_1);
indexBuffer7 = new IndexBuffer(_screenManager.GraphicsDevice, typeof(short), 36, BufferUsage.WriteOnly);
indexBuffer7.SetData <short>(TriangleCubeIndices.triangleCubeIndices7_1);
indexBuffer8 = new IndexBuffer(_screenManager.GraphicsDevice, typeof(short), 36, BufferUsage.WriteOnly);
indexBuffer8.SetData <short>(TriangleCubeIndices.triangleCubeIndices8_1);
//точка для отрисовки центрода(ТЕСТ)
TESTCentroid = new Sprite(_screenManager.Assets.CircleTexture(0.1f, MaterialType.Squares, Color.Black, 1f, 24f));
//IsCanDraw = true;
}