public override void Execute()
{
bool copyBitmaps = false;
for (int i = 0; i < Owner.MaxObjects; i++)
{
if (Owner.WorldObjects.Host[i].life > 0)
{
Owner.WorldObjects.Host[i].position += Owner.WorldObjects.Host[i].velocity;
float2 pos = Owner.WorldObjects.Host[i].position;
float size = Owner.WorldObjects.Host[i].size;
if (pos.x < -1 - size || pos.x > 1 + size || pos.y < -1 - size || pos.y > 1 + size)
{
Owner.WorldObjects.Host[i].life = 0;
}
else
{
Owner.WorldObjects.Host[i].life--;
}
}
if (Owner.WorldObjects.Host[i].life <= 0 && m_random.NextDouble() < CreateObjectChance)
{
MyWorldObject newObject = new MyWorldObject();
newObject.life = (int)(m_random.NextDouble() * MaxLife);
newObject.size = (float)m_random.NextDouble() * (MaxSize - MinSize) + MinSize;
newObject.position = new float2((float)m_random.NextDouble() * 2 - 1, (float)m_random.NextDouble() * 2 - 1);
if (m_random.NextDouble() > StaticObjectChance)
{
newObject.velocity = new float2((float)m_random.NextDouble() * 2 - 1, (float)m_random.NextDouble() * 2 - 1);
float velocitySize = (float)(
(m_random.NextDouble() * (MaxVelocity - MinVelocity) + MinVelocity) /
Math.Sqrt(newObject.velocity.x * newObject.velocity.x + newObject.velocity.y * newObject.velocity.y)
);
newObject.velocity *= velocitySize;
}
IExample example = m_dataset.GetNext();
Array.Copy(example.Input, 0, Owner.Bitmaps.Host, i * IMG_WIDTH * IMG_WIDTH, IMG_WIDTH * IMG_WIDTH);
copyBitmaps = true;
CudaDeviceVariable <float> devBitmaps = Owner.Bitmaps.GetDevice(Owner);
newObject.bitmap = devBitmaps.DevicePointer + (devBitmaps.TypeSize * i * IMG_WIDTH * IMG_WIDTH);
Owner.WorldObjects.Host[i] = newObject;
}
}
Owner.WorldObjects.SafeCopyToDevice();
if (copyBitmaps)
{
Owner.Bitmaps.SafeCopyToDevice();
}
}