private bool GenerateCurveMidpoint(float[] heightMap, Rect targetRect, ref float[] debugHeightmap)
{
List <Vector2> peaks = null;
if (this.Midpoint.usePeaks)
{
peaks = this.PreparePeaks(this.Peaks.Count, 0f, true, targetRect);
}
int initialStep = Mathf.RoundToInt((float)heightMap.Length / (this.Midpoint.frequencyPerUnit * targetRect.width));
e2dMidpoint e2dMidpoint = new e2dMidpoint(heightMap.Length, initialStep, this.Midpoint.roughness, peaks);
e2dMidpoint.Regenerate();
for (int i = 0; i < heightMap.Length; i++)
{
heightMap[i] = e2dMidpoint.GetValueAt(i);
if (this.Midpoint.usePeaks)
{
heightMap[i] = Mathf.Clamp01(heightMap[i]);
}
}
if (e2dUtils.DEBUG_GENERATOR_CURVE)
{
debugHeightmap = new float[heightMap.Length];
for (int j = 0; j < heightMap.Length; j++)
{
debugHeightmap[j] = e2dMidpoint.GetValueAt(j) * targetRect.height;
}
}
return(!this.Midpoint.usePeaks);
}
/// Produces a heightmap using the Midpoint 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 GenerateCurveMidpoint(float[] heightMap, Rect targetRect, ref float[] debugHeightmap)
{
// prepare and normalize the custom peaks
List <Vector2> peaks = null;
if (Midpoint.usePeaks)
{
peaks = PreparePeaks(Peaks.Count, 0, true, targetRect);
}
// init the function
int step = Mathf.RoundToInt(heightMap.Length / (Midpoint.frequencyPerUnit * targetRect.width));
e2dMidpoint function = new e2dMidpoint(heightMap.Length, step, Midpoint.roughness, peaks);
// generate values
function.Regenerate();
// fill the heightmap
for (int i = 0; i < heightMap.Length; i++)
{
heightMap[i] = function.GetValueAt(i);
if (Midpoint.usePeaks)
{
heightMap[i] = Mathf.Clamp01(heightMap[i]);
}
}
// fill the heightmap for debug
if (e2dUtils.DEBUG_GENERATOR_CURVE)
{
debugHeightmap = new float[heightMap.Length];
for (int i = 0; i < heightMap.Length; i++)
{
debugHeightmap[i] = function.GetValueAt(i) * targetRect.height;
}
}
return(!Midpoint.usePeaks);
}
