| public SetFromCustomMatrix ( Matrix localMatrix ) : void | ||
| localMatrix | Matrix | |
| return | void | |
public ITransform CreateFromCustomMatrix(Matrix localMatrix)
{
var transform = new DefaultTransform();
transform.SetFromCustomMatrix(localMatrix);
return(transform);
}
public sealed override ITransform Get(int tick)
{
int previousTick, nextTick;
this.FindSurroundingTickValues(
this.KnownKeys,
tick,
out previousTick,
out nextTick);
if (previousTick != -1)
{
previousTick = this.KnownKeys[previousTick];
}
if (nextTick != -1)
{
nextTick = this.KnownKeys[nextTick];
}
if (previousTick != -1 && nextTick != -1)
{
// If they are the same, skip and return the value.
if (previousTick == nextTick)
{
return(this.KnownValues[previousTick]);
}
// Construct a new transform based on linearly interpolating
// the values within the transform.
var previousValue = this.KnownValues[previousTick];
var nextValue = this.KnownValues[nextTick];
if (previousValue.IsSRTMatrix != nextValue.IsSRTMatrix)
{
// We can't interpolate this.
return(this.KnownValues[previousTick]);
}
var ratio = (tick - previousTick) / (nextTick - (float)previousTick);
if (previousValue.IsSRTMatrix && nextValue.IsSRTMatrix)
{
// Interpolate based on local position, rotation and scale.
return(new DefaultTransform
{
LocalPosition = Vector3.Lerp(previousValue.LocalPosition, nextValue.LocalPosition, ratio),
LocalRotation = Quaternion.Lerp(previousValue.LocalRotation, nextValue.LocalRotation, ratio),
LocalScale = Vector3.Lerp(previousValue.LocalScale, nextValue.LocalScale, ratio),
});
}
if (!previousValue.IsSRTMatrix && !nextValue.IsSRTMatrix)
{
// Interpolate using the custom matrix. This will probably give a nonsensical
// result in most cases?
var transform = new DefaultTransform();
transform.SetFromCustomMatrix(Matrix.Lerp(previousValue.LocalMatrix, nextValue.LocalMatrix, ratio));
return(transform);
}
}
if (previousTick != -1 && nextTick == -1)
{
// Return the previous value and don't attempt to predict the future.
return(this.KnownValues[previousTick]);
}
if (nextTick == -1 && previousTick != -1)
{
// TODO: Extrapolation
return(this.KnownValues[previousTick]);
}
return(new DefaultTransform());
}
public ITransform CreateFromCustomMatrix(Matrix localMatrix)
{
var transform = new DefaultTransform();
transform.SetFromCustomMatrix(localMatrix);
return transform;
}