private void InitResources(ResourceFactory factory)
{
_cl.Begin();
_cl.UpdateBuffer(_screenSizeBuffer, 0, new Vector4(_window.Width, _window.Height, 0, 0));
ParticleInfo[] initialParticles = new ParticleInfo[ParticleCount];
System.Random r = new System.Random();
for (int i = 0; i < ParticleCount; i++)
{
ParticleInfo pi = new ParticleInfo();
pi.Position = new Vector2((float)(r.NextDouble() * _window.Width), (float)(r.NextDouble() * _window.Height));
pi.Velocity = new Vector2((float)(r.NextDouble() * 0.03), (float)(r.NextDouble() * 0.03));
pi.Color = new Vector4(0.4f + (float)r.NextDouble() * .6f, 0.4f + (float)r.NextDouble() * .6f, 0.4f + (float)r.NextDouble() * .6f, 1);
initialParticles[i] = pi;
}
_cl.UpdateBuffer(_particleBuffer, 0, initialParticles);
_cl.End();
_gd.ExecuteCommands(_cl);
_gd.WaitForIdle();
}
private void InitResources(ResourceFactory factory)
{
_cl.Begin();
_cl.UpdateBuffer(_screenSizeBuffer, 0, new Vector4(Window.Width, Window.Height, 0, 0));
ParticleInfo[] initialParticles = new ParticleInfo[ParticleCount];
Random r = new Random();
for (int i = 0; i < ParticleCount; i++)
{
ParticleInfo pi = new ParticleInfo(
new Vector2((float)(r.NextDouble() * Window.Width), (float)(r.NextDouble() * Window.Height)),
new Vector2((float)(r.NextDouble() * 3), (float)(r.NextDouble() * 3)),
new Vector4(0.4f + (float)r.NextDouble() * .6f, 0.4f + (float)r.NextDouble() * .6f, 0.4f + (float)r.NextDouble() * .6f, 1));
initialParticles[i] = pi;
}
_cl.UpdateBuffer(_particleBuffer, 0, initialParticles);
_cl.End();
GraphicsDevice.SubmitCommands(_cl);
GraphicsDevice.WaitForIdle();
}
