/// Produces a heightmap using the Perlin noise generator.
/// Returns true if the map must be renormalized.
/// The debugHeightmap parameter is used for debug to display the generated curve (with higher precision).
/// See e2dGeneratorCurveMethod for details.
private bool GenerateCurvePerlin(float[] heightMap, Rect targetRect, ref float[] debugHeightmap)
{
// init the noise
int frequency = 1 + Mathf.RoundToInt(Perlin.frequencyPerUnit * targetRect.width);
frequency = Mathf.Max(frequency, 2);
e2dPerlinNoise function = new e2dPerlinNoise(Perlin.octaves, 1.0f, frequency, Perlin.persistence);
// produce some values
function.Regenerate();
// fill the heightmap
for (int i = 0; i < heightMap.Length; i++)
{
float x = (float)i / (float)(heightMap.Length - 1);
heightMap[i] = function.GetValue(x);
}
// fill the heightmap for debug
if (e2dUtils.DEBUG_GENERATOR_CURVE)
{
debugHeightmap = new float[10 * heightMap.Length];
for (int i = 0; i < debugHeightmap.Length; i++)
{
float x = (float)i / (float)(debugHeightmap.Length - 1);
debugHeightmap[i] = function.GetValue(x) * targetRect.height;
}
}
return(true);
}
private bool GenerateCurvePerlin(float[] heightMap, Rect targetRect, ref float[] debugHeightmap)
{
int num = 1 + Mathf.RoundToInt(this.Perlin.frequencyPerUnit * targetRect.width);
num = Mathf.Max(num, 2);
e2dPerlinNoise e2dPerlinNoise = new e2dPerlinNoise(this.Perlin.octaves, 1f, num, this.Perlin.persistence);
e2dPerlinNoise.Regenerate();
for (int i = 0; i < heightMap.Length; i++)
{
float x = (float)i / (float)(heightMap.Length - 1);
heightMap[i] = e2dPerlinNoise.GetValue(x);
}
if (e2dUtils.DEBUG_GENERATOR_CURVE)
{
debugHeightmap = new float[10 * heightMap.Length];
for (int j = 0; j < debugHeightmap.Length; j++)
{
float x2 = (float)j / (float)(debugHeightmap.Length - 1);
debugHeightmap[j] = e2dPerlinNoise.GetValue(x2) * targetRect.height;
}
}
return(true);
}
