/// <summary>
/// 响应鼠标的操作
/// </summary>
public void Fire()
{
if (Start)
{
PhysicsWorld.RemoveObject(_elasticatedNet);
DrawQueue.Remove(_elasticatedNet);
}
// 创建弹性网并加入到物理世界和绘制队列
_elasticatedNet = new ElasticatedNet(
new Vector2D(40, 120).ToSimUnits(),
Width, Height, GridSize, Factor
);
DrawQueue.Add(_elasticatedNet);
PhysicsWorld.AddObject(_elasticatedNet);
// 拉扯弹性网
var net = _elasticatedNet.Net;
for (int i = 0; i < Width; i++)
{
net[i, Height - 1].Velocity = new Vector2D(0, 0.1) * 4 * (i >= Width / 2 ? -1 : 1);
net[i, Height - 1].InverseMass = 0;
}
Start = true;
}
public ContactDemo(Image image)
: base(image)
{
Settings.ContactIteration = 1;
const int num = 5;
for (int i = 0; i < num; i++)
{
var fB = PhysicsWorld.CreateFixedParticle((new Vector2D(160 + 40 * i, 0)).ToSimUnits());
var pB = PhysicsWorld.CreateParticle((new Vector2D(160 + 40 * i, 200)).ToSimUnits(), new Vector2D(0, 0), 2);
var ball = new Ball
{
FixedParticle = fB,
Particle = pB,
R = 20
};
// 为质体绑定形状
ball.Particle.BindShape(new Circle(ball.R.ToSimUnits()));
PhysicsWorld.CreateRope(200.ToSimUnits(), 0, fB, pB);
DrawQueue.Add(ball);
_ballList.Add(ball);
}
// 增加重力和空气阻力
PhysicsWorld.CreateGlobalZone(new ParticleGravity(new Vector2D(0, 40)));
PhysicsWorld.CreateParticle(Vector2D.Zero, new Vector2D(1, 0), 1);
Slot = 1 / 120.0;
Start = true;
}
public FluidDemo(Image image)
: base(image)
{
// 创建液体容器
_water = new Water((int)image.Width, (int)image.Height);
// 添加到绘制队列
DrawQueue.Add(_water);
}
public void DrawQueueTest_CheckBasicAdd_NumberAndContentOfRequestsOK()
{
var messenger = Substitute.For <IFrameworkMessenger>();
IComparerCollection comparers = new ComparerCollection();
IDrawQueue queue = new DrawQueue(messenger, comparers, 32, 4, false);
for (var n = 0; n < 10; n++)
{
var even = n % 2 == 0;
var target = even ? CoordinateSpace.Screen : CoordinateSpace.World;
var fill = even ? FillType.Coloured : FillType.Textured;
if (n == 1)
{
fill = FillType.DualTextured;
}
var val = 0.1f * n;
var colour = new Colour(val, val, val, val);
var verts = new Vertex2D[] { new Vertex2D {
Colour = Colour.White, Position = Vector2.Zero, TexCoord0 = Vector2.Zero, TexCoord1 = Vector2.One, TexWeighting = 0.9f
} };
var indices = new int[] { 0, 1, 0 };
var texture0 = (ulong)n;
var texture1 = (ulong)n;
var texMode0 = TextureCoordinateMode.Mirror;
var texMode1 = TextureCoordinateMode.Wrap;
var depth = 0.05f * n;
var layer = n;
queue.Add(
ref target,
ref fill,
ref colour,
ref verts,
ref indices,
ref texture0,
ref texture1,
ref texMode0,
ref texMode1,
ref depth,
ref layer);
}
Assert.Equal(10, queue.Data.NumRequests);
var data = queue.Data;
//Test values in single request
Assert.Equal(CoordinateSpace.World, data.Targets[5]);
Assert.Equal(FillType.Textured, data.Types[5]);
Assert.Equal(0.5f, data.BaseColours[5].R, 5);
Assert.Equal(0.9f, data.Vertices[data.FirstVertexPosition[5]].TexWeighting, 5);
Assert.Equal(1, data.Indices[data.FirstIndexPosition[5] + 1]);
Assert.Equal((ulong)5, data.Texture1[5]);
Assert.Equal(0.25f, data.Depths[5], 5);
Assert.Equal(5, data.Layers[5]);
}
public void DrawQueueTest_CheckBasicClear_ConfirmZeroPostClear()
{
var messenger = Substitute.For <IFrameworkMessenger>();
IComparerCollection comparers = new ComparerCollection();
IDrawQueue queue = new DrawQueue(messenger, comparers, 32, 4, false);
for (var n = 0; n < 10; n++)
{
var even = n % 2 == 0;
var target = even ? CoordinateSpace.Screen : CoordinateSpace.World;
var fill = even ? FillType.Coloured : FillType.Textured;
if (n == 1)
{
fill = FillType.DualTextured;
}
var val = 0.1f * n;
var colour = new Colour(val, val, val, val);
var verts = new Vertex2D[] { new Vertex2D {
Colour = Colour.White, Position = Vector2.Zero, TexCoord0 = Vector2.Zero, TexCoord1 = Vector2.One, TexWeighting = 0.9f
} };
var indices = new int[] { 0, 1, 0 };
var texture0 = (ulong)n;
var texture1 = (ulong)n;
var texMode0 = TextureCoordinateMode.Mirror;
var texMode1 = TextureCoordinateMode.Wrap;
var depth = 0.05f * n;
var layer = n;
queue.Add(
ref target,
ref fill,
ref colour,
ref verts,
ref indices,
ref texture0,
ref texture1,
ref texMode0,
ref texMode1,
ref depth,
ref layer);
}
Assert.Equal(10, queue.Data.NumRequests);
queue.Clear();
Assert.Equal(0, queue.Data.NumRequests);
}
public CircleDemo(Image image)
: base(image)
{
// 初始化中心点
_centerObj = PhysicsWorld.CreateFixedParticle
(
new Vector2D
(
250.ToSimUnits(),
200.ToSimUnits()
)
);
// 注册绘制对象
DrawQueue.Add(this);
}
public FireworksDemo(Image image)
: base(image)
{
DrawQueue.Add(this);
_dragZone = new RectangleZone
(
0.ToSimUnits(),
(WorldHeight * 2 / 3.0).ToSimUnits(),
500.ToSimUnits(),
400.ToSimUnits()
);
_dragZone.Add(_drag);
_windZone = new RectangleZone
(
0.ToSimUnits(),
(WorldHeight * 1 / 3.0).ToSimUnits(),
500.ToSimUnits(),
(WorldHeight * 2 / 3.0).ToSimUnits()
);
_windZone.Add(_wind);
}
public RobDemo(Image image)
: base(image)
{
Settings.ContactIteration = 20;
_combinedParticle = new CombinedParticle(_vertexs, 3, 1, true);
PhysicsWorld.AddObject(_combinedParticle);
// 为顶点绑定形状
foreach (var vertex in _combinedParticle.Vertexs)
{
vertex.BindShape(new Circle(4.ToSimUnits()));
}
// 增加边缘
PhysicsWorld.CreatePolygonEdge(_edgePoints.ToArray());
// 增加重力
PhysicsWorld.CreateGravity(9.8);
DrawQueue.Add(this);
Start = true;
}
