private void UpdateMoleculeSetPositionByVelocity(double t)
{
bool isStop = true;
for (int i = 0; i < MoleculeSet.Count; i++)
{
Molecule m = MoleculeSet[i];
bool ballIsStop = true;
if (Math.Abs(m.currentVelocity.X) < e)
{
m.currentVelocity.X = 0;
}
else
{
ballIsStop = false;
}
if (Math.Abs(m.currentVelocity.Y) < e)
{
m.currentVelocity.Y = 0;
}
else
{
ballIsStop = false;
}
if (Math.Abs(m.currentVelocity.Z) < e)
{
m.currentVelocity.Z = 0;
}
else
{
ballIsStop = false;
}
if (ballIsStop)
{
continue;
}
else
{
isStop = false;
//通过小球的速度来更新小球位置
if (m.position != m.oldPosition)
{
PhysicEngine.UpdatePositionByVelocity(ref m.position, ref m.oldPosition, ref m.currentVelocity, t);
}
CDE.UpdateToGridmap(i);
//更新小球显示的位置
TranslateTransform3D temp = (TranslateTransform3D)(m.MoleculeGeometryModel.Transform);
temp.OffsetX = m.position.X;
temp.OffsetY = m.position.Y;
temp.OffsetZ = m.position.Z;
}
}
if (isStop)
{
StopGameLoop();
stick.UpdateStickPosition(new Vector3D(whiteBall.position.X, whiteBall.position.Y, whiteBall.position.Z), shotDirection);
stick.Visible = true;
gameWindows.SetShootDirectionAndForceFactor();
}
}
public void CollisionDetection()
{
if (CollisionResponse != null)
{
foreach (int index in movingList)
{
Molecule m = moleculeSet[index];
//if (!m.isNeedDetected) continue; //只对运动物体碰撞检测
int x = TransferToGridX(m.position.X);
int y = TransferToGridY(m.position.Y);
int z = TransferToGridZ(m.position.Z);
List <int> grid = gridMap[x, y, z];
//if (grid == null) continue;
for (int i = ((x - 1) > 0 ? (x - 1) : 0); i <= ((x + 1) < (length - 1) ? (x + 1) : (length - 1)); i++)
{
for (int j = ((y - 1) > 0 ? (y - 1) : 0); j <= ((y + 1) < (width - 1) ? (y + 1) : (width - 1)); j++)
{
for (int k = ((z - 1) > 0 ? (z - 1) : 0); k <= ((z + 1) < (height - 1) ? (z + 1) : (height - 1)); k++)
{
List <int> neighborGrid = gridMap[i, j, k];
if (neighborGrid != null)
{
for (int l = 0; l < neighborGrid.Count; l++)
{
int neighborIndex = neighborGrid[l];
if (neighborIndex == index)
{
continue;
}
//if (!moleculeSet[neighborIndex].isNeedDetected) continue; //避免两个运动物体重复碰撞检测
if (Collide(index, neighborIndex))
{
//moleculeSet[neighborIndex].isNeedDetected = false;
//moleculeSet[index].isNeedDetected = false;
CollisionResponse(index, neighborIndex);
//每一帧对于每个球只跟另外的一个球进行碰撞
//goto jumpOut;
}
}
}
}
}
}
jumpOut:
{
}
}
//foreach (int index in movingList)
//{
// moleculeSet[movingList[index]].isNeedDetected = true;
//}
//foreach (Molecule m in moleculeSet)
//{
// m.isNeedDetected = true;
//}
}
movingList.Clear();
}
void Initializtion()
{
//画星空
{
SphereMesh StarMesh = new SphereMesh();
StarMesh.Slices = 8;
StarMesh.Stacks = 4;
StarMesh.Radius = 0.6;
MeshGeometry3D Star = StarMesh.Geometry;
var Star3DGroup = new Model3DGroup();
Material specularMaterial = new SpecularMaterial(new SolidColorBrush(Color.FromArgb(255, 255, 255, 255)), 1024);
for (int i = 0; i < 1500; i++)
{
//创建每个球体的GeometryModel并添加进显示窗口
MaterialGroup materialGroup = new MaterialGroup();
byte value = (byte)random.Next(150, 255);
DiffuseMaterial diffuseMaterial = new DiffuseMaterial(new SolidColorBrush(Color.FromRgb(value, value, value)));
materialGroup.Children.Add(diffuseMaterial);
materialGroup.Children.Add(specularMaterial);
var StarGeometryModel = new GeometryModel3D(Star, materialGroup);
Vector3D starPosition;
while (true)
{
double range = 300;
double x = GetRandomInRange(range);
double y = GetRandomInRange(range);
double z = GetRandomInRange(range);
if (Math.Abs(x) < Length && Math.Abs(y) < Width * 2 && Math.Abs(z) < Height * 2)
{
continue;
}
else
{
starPosition = new Vector3D(x, y, z);
break;
}
}
StarGeometryModel.Transform = new TranslateTransform3D(starPosition);
Star3DGroup.Children.Add(StarGeometryModel);
}
//StarMesh.Slices = 8;
//StarMesh.Stacks = 4;
//StarMesh.Radius = 2;
//Star = StarMesh.Geometry;
//for (int i = 0; i < 500; i++)
//{
// //创建每个球体的GeometryModel并添加进显示窗口
// MaterialGroup materialGroup = new MaterialGroup();
// byte value = (byte)random.Next(150, 255);
// DiffuseMaterial diffuseMaterial = new DiffuseMaterial(new SolidColorBrush(Color.FromRgb(value, value, value)));
// materialGroup.Children.Add(diffuseMaterial);
// materialGroup.Children.Add(specularMaterial);
// var StarGeometryModel = new GeometryModel3D(Star, materialGroup);
// Vector3D starPosition;
// while (true)
// {
// double range = 600;
// double x = GetRandomInRange(range);
// double y = GetRandomInRange(range);
// double z = GetRandomInRange(range);
// if (Math.Abs(x) < Length && Math.Abs(y) < Width * 1.5 && Math.Abs(z) < Height * 1.5)
// {
// continue;
// }
// else
// {
// starPosition = new Vector3D(x, y, z);
// break;
// }
// }
// StarGeometryModel.Transform = new TranslateTransform3D(starPosition);
// Star3DGroup.Children.Add(StarGeometryModel);
//}
{
ModelVisual3D starSetModel = new ModelVisual3D();
starSetModel.Content = Star3DGroup;
gameWindows.model.Children.Add(starSetModel);
}
}
//画球台
{
BoxMesh boardMeshBase = new BoxMesh();
boardMeshBase.Width = Length;
boardMeshBase.Height = Height;
boardMeshBase.Depth = Width;
Geometry3D boardMesh = boardMeshBase.Geometry;
GeometryModel3D boardGeometryModel = new GeometryModel3D(boardMesh, null);
boardGeometryModel.Material = null;//材料
ImageBrush imageBrush = new ImageBrush();
imageBrush.ImageSource = new BitmapImage(new Uri("res/board.jpg", UriKind.Relative));
//imageBrush.Viewbox = new Rect(0, 0, imageBrush.ImageSource.Width, imageBrush.ImageSource.Height);
imageBrush.Viewbox = new Rect(0, 0, 100, 100);
//imageBrush.TileMode = TileMode.FlipXY;
imageBrush.TileMode = TileMode.Tile;
imageBrush.ViewboxUnits = BrushMappingMode.Absolute;
imageBrush.Viewport = new Rect(0, 0, 0.1, 0.1);
MaterialGroup materialGroup = new MaterialGroup();
//materialGroup.Children.Add(new SpecularMaterial(new SolidColorBrush(Colors.Gray), 1024));
//materialGroup.Children.Add(new DiffuseMaterial(new SolidColorBrush(Colors.GreenYellow)));
materialGroup.Children.Add(new DiffuseMaterial(imageBrush));
boardGeometryModel.BackMaterial = materialGroup;
ModelVisual3D moleculeSetModel = new ModelVisual3D();
moleculeSetModel.Content = boardGeometryModel;
gameWindows.model.Children.Add(moleculeSetModel);
}
gridMapOrigin = new Point3D(-0.5 * length, -0.5 * width, -0.5 * height);
//画球体
{
SphereMesh sphereMesh = new SphereMesh();
sphereMesh.Slices = 72 / 1;
sphereMesh.Stacks = 36 / 1;
sphereMesh.Radius = radius;
MeshGeometry3D sphere = sphereMesh.Geometry;
//用于保存所有小球的Model
moleculeModel3DGroup = new Model3DGroup();
Material material = (Material)gameWindows.viewport.Resources["ER_Vector___Glossy_Yellow___MediumMR2"];
Material specularMaterial = new SpecularMaterial(new SolidColorBrush(Color.FromArgb(255, 255, 255, 255)), 1024);
//定义二维数组，分别存放molelecule的数量，和x,y,z的坐标
double[,] moleculePositionSet = new double[moleculeNum, 3];
moleculePositionSet[0, 0] = 50;
moleculePositionSet[0, 1] = 0;
moleculePositionSet[0, 2] = 0;
//layer1 begin
moleculePositionSet[1, 0] = 0.0000000001;
moleculePositionSet[1, 1] = 0;
moleculePositionSet[1, 2] = 0;
//layer2
moleculePositionSet[2, 0] = -8;
moleculePositionSet[2, 1] = 4.8;
moleculePositionSet[2, 2] = 0;
moleculePositionSet[3, 0] = -8;
moleculePositionSet[3, 1] = -2.4;
moleculePositionSet[3, 2] = 4;
moleculePositionSet[4, 0] = -8;
moleculePositionSet[4, 1] = -2.4;
moleculePositionSet[4, 2] = -4;
//layer3
moleculePositionSet[5, 0] = -16;
moleculePositionSet[5, 1] = 9.6;
moleculePositionSet[5, 2] = 0;
moleculePositionSet[6, 0] = -16;
moleculePositionSet[6, 1] = 2.4;
moleculePositionSet[6, 2] = 4;
moleculePositionSet[7, 0] = -16;
moleculePositionSet[7, 1] = 2.4;
moleculePositionSet[7, 2] = -4;
moleculePositionSet[8, 0] = -16;
moleculePositionSet[8, 1] = -4.8;
moleculePositionSet[8, 2] = 0;
moleculePositionSet[9, 0] = -16;
moleculePositionSet[9, 1] = -4.8;
moleculePositionSet[9, 2] = 8;
moleculePositionSet[10, 0] = -16;
moleculePositionSet[10, 1] = -4.8;
moleculePositionSet[10, 2] = -8;
//layer4 begin
moleculePositionSet[11, 0] = -24;
moleculePositionSet[11, 1] = 14.4;
moleculePositionSet[11, 2] = 0;
moleculePositionSet[12, 0] = -24;
moleculePositionSet[12, 1] = 7.2;
moleculePositionSet[12, 2] = 4;
moleculePositionSet[13, 0] = -24;
moleculePositionSet[13, 1] = 7.2;
moleculePositionSet[13, 2] = -4;
moleculePositionSet[14, 0] = -24;
moleculePositionSet[14, 1] = 0;
moleculePositionSet[14, 2] = 0;
moleculePositionSet[15, 0] = -24;
moleculePositionSet[15, 1] = 0;
moleculePositionSet[15, 2] = 8;
moleculePositionSet[16, 0] = -24;
moleculePositionSet[16, 1] = 0;
moleculePositionSet[16, 2] = -8;
moleculePositionSet[17, 0] = -24;
moleculePositionSet[17, 1] = -7.2;
moleculePositionSet[17, 2] = 4;
moleculePositionSet[18, 0] = -24;
moleculePositionSet[18, 1] = -7.2;
moleculePositionSet[18, 2] = -4;
moleculePositionSet[19, 0] = -24;
moleculePositionSet[19, 1] = -7.2;
moleculePositionSet[19, 2] = 12;
moleculePositionSet[20, 0] = -24;
moleculePositionSet[20, 1] = -7.2;
moleculePositionSet[20, 2] = -12;
for (int i = 0; (i < moleculeNum); i++)
{
//创建并初始化molecule的属性
Molecule molecule = new Molecule()
{
//position = new Point3D(GetRandomInRange(positionRange), GetRandomInRange(positionRange), GetRandomInRange(positionRange)),
position = new Point3D(moleculePositionSet[i, 0], moleculePositionSet[i, 1], moleculePositionSet[i, 2]),
//currentVelocity = new Vector3D(GetRandomInRange(velocityRange), GetRandomInRange(velocityRange), GetRandomInRange(velocityRange)),
mass = 1,
radius = radius
};
//创建每个球体的GeometryModel并添加进显示窗口
MaterialGroup materialGroup = new MaterialGroup();
int R, G, B;
while (true)
{
R = random.Next(255);
G = random.Next(255);
B = random.Next(255);
if (R + G + B < 350)
{
continue;
}
else
{
break;
}
}
DiffuseMaterial diffuseMaterial = new DiffuseMaterial(new SolidColorBrush(Color.FromRgb((byte)R, (byte)G, (byte)B)));
materialGroup.Children.Add(diffuseMaterial);
materialGroup.Children.Add(specularMaterial);
molecule.MoleculeGeometryModel = new GeometryModel3D(sphere, materialGroup);
//molecule.MoleculeGeometryModel.BackMaterial = materialGroup;
molecule.MoleculeGeometryModel.Transform = new TranslateTransform3D(molecule.position.X, molecule.position.Y, molecule.position.Z);
moleculeModel3DGroup.Children.Add(molecule.MoleculeGeometryModel);
MoleculeSet.Add(molecule);
}
{
ModelVisual3D moleculeSetModel = new ModelVisual3D();
moleculeSetModel.Content = moleculeModel3DGroup;
gameWindows.model.Children.Add(moleculeSetModel);
}
//设置白球
whiteBall = MoleculeSet[0];
((MaterialGroup)whiteBall.MoleculeGeometryModel.Material).Children[0] = new DiffuseMaterial(new SolidColorBrush(Color.FromRgb(255, 255, 255)));
//Material specularMaterial = new SpecularMaterial(new SolidColorBrush(Color.FromArgb(255, 255, 255, 255)), 1024);
//DiffuseMaterial white= new DiffuseMaterial(new SolidColorBrush(Color.FromRgb(255,255,255)));
//whiteBall.Add(white);
}
//画球棍
stick.Length = 120;
stick.Init(gameWindows.model, new Vector3D(whiteBall.position.X, whiteBall.position.Y, whiteBall.position.Z), shotDirection);
stick.Visible = false;
//初始化碰撞检测引擎
CDE.InitCollisionDetectionEngine(MoleculeSet, gridMapOrigin, length, width, height, radius * 2);
CDE.CollisionResponse += delegate(int index1, int index2)
{
gameWindows.PlayBallCollisionSound();
gameWindows.myMediaElement.Stop();
gameWindows.myMediaElement.Play();
PhysicEngine.UpdateVelocityByCollide(MoleculeSet[index1].position, MoleculeSet[index2].position, ref MoleculeSet[index1].currentVelocity, ref MoleculeSet[index2].currentVelocity,
MoleculeSet[index1].mass, MoleculeSet[index2].mass, MoleculeSet[index1].radius, MoleculeSet[index2].radius);
};
CDE.CollideWithWall += delegate(int index)
{
Molecule m = MoleculeSet[index];
if (m.position.X < gridMapOrigin.X + m.radius)
{
m.position.X = gridMapOrigin.X + m.radius;
m.currentVelocity.X = -m.currentVelocity.X;
if (BallInHole(m))
{
BallInHoleList.Add(m);
gameWindows.PlayBallCollisionWithWallSound();
}
else
{
gameWindows.PlayBallInHoleSound();
}
}
if (m.position.X > gridMapOrigin.X + length - m.radius)
{
m.position.X = gridMapOrigin.X + length - m.radius;
m.currentVelocity.X = -m.currentVelocity.X;
if (BallInHole(m))
{
BallInHoleList.Add(m);
gameWindows.PlayBallCollisionWithWallSound();
}
else
{
gameWindows.PlayBallInHoleSound();
}
}
if (m.position.Y < gridMapOrigin.Y + m.radius)
{
m.position.Y = gridMapOrigin.Y + m.radius;
m.currentVelocity.Y = -m.currentVelocity.Y;
if (BallInHole(m))
{
BallInHoleList.Add(m);
gameWindows.PlayBallCollisionWithWallSound();
}
else
{
gameWindows.PlayBallInHoleSound();
}
}
if (m.position.Y > gridMapOrigin.Y + width - m.radius)
{
m.position.Y = gridMapOrigin.Y + width - m.radius;
m.currentVelocity.Y = -m.currentVelocity.Y;
if (BallInHole(m))
{
BallInHoleList.Add(m);
gameWindows.PlayBallCollisionWithWallSound();
}
else
{
gameWindows.PlayBallInHoleSound();
}
}
if (m.position.Z < gridMapOrigin.Z + m.radius)
{
m.position.Z = gridMapOrigin.Z + m.radius;
m.currentVelocity.Z = -m.currentVelocity.Z;
if (BallInHole(m))
{
BallInHoleList.Add(m);
gameWindows.PlayBallCollisionWithWallSound();
}
else
{
gameWindows.PlayBallInHoleSound();
}
}
if (m.position.Z > gridMapOrigin.Z + height - m.radius)
{
m.position.Z = gridMapOrigin.Z + height - m.radius;
m.currentVelocity.Z = -m.currentVelocity.Z;
if (BallInHole(m))
{
BallInHoleList.Add(m);
gameWindows.PlayBallCollisionWithWallSound();
}
else
{
gameWindows.PlayBallInHoleSound();
}
}
};
}