protected override void ManageInstancingData()
{
var transformUsage = (ModelTransformUsage)(((int)Game.UpdateTime.Total.TotalSeconds) % 3);
instancingUserArray.ModelTransformUsage = ModelTransformUsage.PostMultiply;
instancingUserArray.UpdateWorldMatrices(instanceWorldTransformations);
}
public override void Update()
{
// generate some matrices
var offset = InstanceCount / 2;
var seconds = (float)Game.UpdateTime.Total.TotalSeconds;
for (int i = 0; i < InstanceCount; i++)
{
var x = i * 1 - offset;
var y = 0;
var z = (float)Math.Cos(new Vector2(x, y).Length() * 0.5f + seconds);
instanceWorldTransformations[i] = Matrix.RotationY(seconds) * Matrix.Translation(x * 0.1f, y, z * 0.1f);
}
instancingMany.UpdateWorldMatrices(instanceWorldTransformations);
}
