public FluidSimHeightMap(int size, int iterations) { if (size <= 0 || iterations <= 0) {
public FluidSimHeightMap(int size, int iterations, int minInitialHeight, int maxInitialHeight, float viscosity, float waveSpeed, float timestep, float nodeDistance, long seed) { if (size <= 0 || iterations <= 0 || minInitialHeight >= maxInitialHeight) {
	public FluidSimHeightMap(int size, int iterations) {		if (size <= 0 || iterations <= 0) {			throw new JmeException(					"Either size of the terrain is not greater that zero, "							+ "or number of iterations is not greater that zero");		}				this.size = size;		this.iterations = iterations;		load();	}