public PhysicsTest()
{
var scene = Game.World.Scene;
Game.Invoke(() =>
{
Object3dInfo point3dinfo = new Object3dInfo(new VertexInfo[] { new VertexInfo()
{
Position = Vector3.One,
Normal = Vector3.UnitZ,
UV = Vector2.Zero
} });
Object3dInfo point3dinfo2 = Object3dGenerator.CreateCube(Vector3.One * 0.1f, Vector2.One).AsObject3dInfo();
OpenTK.Graphics.OpenGL4.GL.PointSize(111);
GenericMaterial whitemat = new GenericMaterial()
{
DiffuseColor = Vector3.One
};
Mesh3d points = Mesh3d.Create(point3dinfo2, whitemat);
//point3dinfo.DrawMode = OpenTK.Graphics.OpenGL4.PrimitiveType.Points;
//whitemat.CustomShaderProgram = ShaderProgram.Compile("Points.vertex.glsl", "Points.fragment.glsl");
points.ClearInstances();
ComputeShader updateShader = new ComputeShader("PhysicsUpdater.compute.glsl");
ShaderStorageBuffer pointsBuffer = new ShaderStorageBuffer();
var parts = new List <Particle>();
List <byte> bytes = new List <byte>();
for (int i = 0; i < 1024 * 2; i++)
{
var part = new Particle()
{
Position = new Vector3(rand(-20, 20), rand(0, 20), rand(-10, 10)),
Velocity = Vector3.Zero
};
points.AddInstance(new TransformationManager(part.Position));
bytes.AddRange(BitConverter.GetBytes(part.Position.X));
bytes.AddRange(BitConverter.GetBytes(part.Position.Y));
bytes.AddRange(BitConverter.GetBytes(part.Position.Z));
bytes.AddRange(BitConverter.GetBytes(part.Position.X));
bytes.AddRange(BitConverter.GetBytes(part.Velocity.X));
bytes.AddRange(BitConverter.GetBytes(part.Velocity.Y));
bytes.AddRange(BitConverter.GetBytes(part.Velocity.Z));
bytes.AddRange(BitConverter.GetBytes(part.Velocity.X));
}
pointsBuffer.MapData(bytes.ToArray());
pointsBuffer.Use(9);
Game.OnBeforeDraw += (z, x) =>
{
updateShader.Use();
pointsBuffer.Use(9);
updateShader.SetUniform("ParticlesCount", 1024 * 2);
updateShader.Dispatch(2, 1, 1);
pointsBuffer.Use(9);
};
points.UpdateMatrix();
scene.Add(points);
});
}
