public void Update()
{
const int objectCount = 20;
_renderers.ForEach(_ => _.Dispose());
for (int i = 0; i < objectCount; i++)
{
var sceneObject = new Node(Scene);
sceneObject.Transform.Parent = Transform;
sceneObject.Transform.LocalPosition = 0.3f * new Vector3(-objectCount / 2 + i, 0, 0);
var renderer = sceneObject.AddComponent <MeshRenderable>();
renderer.Mesh = _mesh;
var material = renderer.Material = new Material(MaterialType.DiffuseColor);
material.Color = new Vector4(RandomF.InsideUnitSphere().Normalized, 1);
_renderers.Add(renderer);
}
}
public static Mesh Create(CloudShape shape, float diameter = 1, int vertexCount = 300000)
{
var vertices = new Vector3Buffer(vertexCount);
var normals = new Vector3Buffer(vertexCount);
var texCoords = new Vector2Buffer(vertices.Length);
for (int i = 0; i < vertices.Length; i++)
{
Vector3 point;
switch (shape)
{
case CloudShape.Sphere:
point = RandomF.InsideUnitSphere();
break;
case CloudShape.Cube:
point = RandomF.InsideUnitCube();
break;
default:
throw new InvalidOperationException();
}
vertices[i] = point * diameter;
normals[i] = point.Normalized;
texCoords[i] = new Vector2(vertices[i].X + 0.5f, -vertices[i].Y + 0.5f);
}
var result = new Mesh()
{
Vertices = vertices,
TexCoords = texCoords,
Normals = normals,
Type = PrimitiveType.Points
};
result.CalculateBounds();
return(result);
}
private void AddDeferredTest()
{
var planeSo = new Node(_scene, "plane");
planeSo.AddComponent <MeshRenderable>().Mesh = Plane.Create(10, 10);
planeSo.Transform.LocalRotation = new Quaternion(Vector3.Left, MathF.PI / 2);
var sphereMesh = Icosahedron.Create(0.01f, 2);
var sphereMaterial = new Material(MaterialType.FlatColor);
sphereMaterial.Color = Vector4.One;
var lightsParent = new Node(_scene, "lights");
lightsParent.AddComponent <Rotator>().Rotation = new Vector3(0.7, 0, 0);
var lightCount = 50;
for (int i = 0; i < lightCount; i++)
{
var so = new Node(_scene);
so.Transform.Parent = lightsParent.Transform;
var light = so.AddComponent <LightSource>();
var color = new Vector3(RandomF.Float(), RandomF.Float(), RandomF.Float());
color /= MathF.Max(color.X, color.Y, color.Z);
light.Diffuse = color;
light.Attenuation = new Vector3(0, 4f, 0);
var position = Vector3.Zero;
while (position.LengthSquared < 0.05f)
{
position = RandomF.InsideUnitSphere();
}
so.Transform.LocalPosition = position * 5;
var meshRenderer = so.AddComponent <MeshRenderable>();
meshRenderer.Mesh = sphereMesh;
meshRenderer.Material = sphereMaterial;
}
}
private void InitBufferValues()
{
for (int i = 0; i < MaxParticles; i++)
{
_particlePositions[i] = RandomF.InsideUnitSphere();
var color = RandomF.InsideUnitCube();
var maxColor = MathF.Max(color.X, color.Y, color.Z);
color /= maxColor;
_particleColors[i] = new Vector4(color, 1);
_particleData1[i] = new Vector4(50, 0, 0, 0);
_particleData2[i] = new Vector4(0);
_particleData3[i] = new Vector4(0);
}
var data = _computeData.Data;
data.CurrentParticles = MaxParticles;
data.MaxParticles = MaxParticles;
data.Time = 0;
data.DeltaTime = 0;
_computeData.Data = data;
}
