public void GetDensities(Vector3 offset, out float[] densities, out Vector3[] colors)
{
int kernelHandle = shader.FindKernel("CSMain");
ComputeBuffer densitiesBuffer = new ComputeBuffer(40 * 40 * 40, sizeof(float) * 4);
ComputeBuffer biomesBuffer = new ComputeBuffer(biomeGenerator.biomePoints.Length, sizeof(int) + sizeof(float) * 12);
biomesBuffer.SetData(biomeGenerator.biomePoints);
shader.SetBuffer(kernelHandle, "biomes", biomesBuffer);
shader.SetBuffer(kernelHandle, "densities", densitiesBuffer);
shader.SetFloat("xOff", offset.x);
shader.SetFloat("yOff", offset.y);
shader.SetFloat("zOff", offset.z);
LoadSettingsToGPU();
shader.Dispatch(kernelHandle, 5, 5, 5);
biomesBuffer.Dispose();
DensityPoint[] densityPoints = new DensityPoint[40 * 40 * 40];
densitiesBuffer.GetData(densityPoints);
densitiesBuffer.Dispose();
densities = new float[40 * 40 * 40];
colors = new Vector3[40 * 40 * 40];
for (int i = 0; i < densityPoints.Length; i++)
{
densities[i] = densityPoints[i].density;
colors[i] = densityPoints[i].color;
}
}
void OnSceneGUI(SceneView sv)
{
var e = Event.current;
if (settings.densityPoints.Count <= 0)
{
settings.densityPoints.Add(new DensityPoint());
}
DensityPoint last = default(DensityPoint);
for (int i = 0; i < settings.densityPoints.Count; i++)
{
var dp = settings.densityPoints[i];
dp.position = Handles.PositionHandle(dp.position, Quaternion.identity);
Handles.Label(dp.position, dp.position.ToString("F2"));
settings.densityPoints[i] = dp;
last = dp;
}
if (GUI.changed)
{
changed = true;
changedTime = Time.time;
}
//draw normal preview:
Vector3 normalDir = settings.GetNormal(normalTest.x, normalTest.y, normalTest.z);
if (inst == GetHashCode())
{
Handles.ArrowHandleCap(0, normalTest, Quaternion.LookRotation(normalDir), .1f, e.type);
}
normalTest = Handles.FreeMoveHandle(normalTest, Quaternion.identity, .02f, Vector3.zero, Handles.DotHandleCap);
if (e.type == EventType.KeyDown && e.keyCode == KeyCode.N)
{
settings.densityPoints.Add(last);
changed = true;
changedTime = Time.time;
e.Use();
}
if (changed && Time.time - changedTime > delayedChangeTimeout)
{
Undo.RecordObject(this, "changed density point");
UpdatePreview();
Repaint();
changed = false;
}
if (Time.time - lastSaveTime > saveTimeout)
{
EditorUtility.SetDirty(this);
AssetDatabase.SaveAssets();
lastSaveTime = Time.time;
}
}
