public void Damage(Vector3 position, float depth)
{
var local = position - transform.position;
var nlocal = new Vector3(Mathf.InverseLerp(0f, data.size.x, local.x), 0f, Mathf.InverseLerp(0f, data.size.z, local.z));
var job = new TerrainDeformerJob ();
job.hx = Mathf.FloorToInt(nlocal.x * data.heightmapWidth);
job.hy = Mathf.FloorToInt(nlocal.z * data.heightmapHeight);
job.hw = Mathf.FloorToInt(craterSize / (data.size.x / data.heightmapWidth));
job.hh = Mathf.FloorToInt(craterSize / (data.size.z / data.heightmapHeight));
job.hx -= (job.hw / 2);
job.hy -= (job.hh / 2);
job.ax = Mathf.FloorToInt(nlocal.x * data.alphamapWidth);
job.ay = Mathf.FloorToInt(nlocal.z * data.alphamapHeight);
job.aw = Mathf.FloorToInt(craterSize / (data.size.x / data.alphamapWidth));
job.ah = Mathf.FloorToInt(craterSize / (data.size.z / data.alphamapHeight));
job.ax -= (job.aw / 2);
job.ay -= (job.ah / 2);
job.useLayer = Random.Range (0, 3);
job.heights = data.GetHeights (job.hx, job.hy, job.hw, job.hh);
job.splat = data.GetAlphamaps (job.ax, job.ay, job.aw, job.ah);
job.depthScale = depth / data.size.y;
job.alphamapLayers = data.alphamapLayers;
lock (inbox) {
inbox.Add (job);
}
}
void ProcessJob(TerrainDeformerJob job)
{
for (var x = 0; x < job.hw; x++) {
for (var y = 0; y < job.hh; y++) {
var cx = Mathf.RoundToInt(Mathf.InverseLerp(0, job.hw, x) * craterWidth);
var cy = Mathf.RoundToInt(Mathf.InverseLerp(0, job.hh, y) * craterHeight);
var d = template[cy * craterWidth + cx][job.useLayer];
job.heights[x, y] -= (d * job.depthScale);
}
}
for (var x = 0; x < job.aw; x++) {
for (var y = 0; y < job.ah; y++) {
var cx = Mathf.RoundToInt(Mathf.InverseLerp(0, job.aw, x) * craterWidth);
var cy = Mathf.RoundToInt(Mathf.InverseLerp(0, job.ah, y) * craterHeight);
var d = template[cy * craterWidth + cx][job.useLayer];
for (var z = 0; z < job.alphamapLayers; z++) {
job.splat[x, y, z] += z == 0 ? d : -d;
}
}
}
}
void ApplyJob(TerrainDeformerJob job)
{
data.SetAlphamaps (job.ax, job.ay, job.splat);
data.SetHeights (job.hx, job.hy, job.heights);
}
