value(at:)
Returns the value at the specified position in the noise map’s discrete sample grid.
Declaration
func value(at position: vector_int2) -> FloatParameters
- position:
The position to query in the noise map’s grid of sampled noise values. Must be within the rectangle from
[0, 0]to the noise map’s Samplecount value.
Return Value
The value at the specified position.
Discussion
When you create a noise map from a GKNoise object, GameplayKit performs the noise generation and processing computations necessary to fill a discrete grid with noise samples. (You specify the size of the grid and its number of samples in the init(_:size:origin:sampleCount:seamless:) initializer.) Use this method to get sample values from that grid.
You can also use the interpolatedValue(at:) method to query positions that are not on the discrete integer grid of samples.