mirrors/Terra
1
0
Fork 0
mirror of https://github.com/PolyhedralDev/Terra.git synced 2026-04-05 07:16:10 +00:00
Code Issues Packages Projects Releases Wiki Activity

flatten array

Browse Source
This commit is contained in:
Zoë Gidiere
2023-10-05 20:47:52 -06:00
parent 9444f9236d
commit 8fba3f9e60
1 changed files with 14 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
common/addons/config-noise-function/src/main/java/com/dfsek/terra/addons/noise/samplers/noise/PseudoErosionSampler.java
View File

@@ -240,7 +240,7 @@ public class PseudoErosionSampler implements NoiseSampler {
int gridY = fastRound(y);
// Precompute cell positions and lookup values
double[][][] cellData = new double[PRECOMPUTE_SIZE][PRECOMPUTE_SIZE][3];
double[] cellData = new double[PRECOMPUTE_SIZE * PRECOMPUTE_SIZE * 3];
for(int xi = -PRECOMPUTE_RADIUS; xi <= PRECOMPUTE_RADIUS; xi++) {
for(int yi = -PRECOMPUTE_RADIUS; yi <= PRECOMPUTE_RADIUS; yi++) {
int jitterIdx = jitterIdx2D(seed, gridX + xi, gridY + yi);
@@ -255,10 +255,12 @@ public class PseudoErosionSampler implements NoiseSampler {
double lookup = this.lookup.noise(seed, actualCellX, actualCellY);
double[] data = cellData[xi+PRECOMPUTE_RADIUS][yi+PRECOMPUTE_RADIUS];
data[0] = cellX;
data[1] = cellY;
data[2] = lookup;
// Calculate linear index for flattened array
int linearIndex = ((xi + PRECOMPUTE_RADIUS) * PRECOMPUTE_SIZE + (yi + PRECOMPUTE_RADIUS)) * 3;
cellData[linearIndex] = cellX;
cellData[linearIndex + 1] = cellY;
cellData[linearIndex + 2] = lookup;
}
}
@@ -272,19 +274,19 @@ public class PseudoErosionSampler implements NoiseSampler {
double connectedCellY = 0;
for(int xni = xi - MAX_CONNECTION_RADIUS; xni <= xi + MAX_CONNECTION_RADIUS; xni++) {
for(int yni = yi - MAX_CONNECTION_RADIUS; yni <= yi + MAX_CONNECTION_RADIUS; yni++) {
double[] data = cellData[xni+PRECOMPUTE_RADIUS][yni+PRECOMPUTE_RADIUS];
double lookup = data[2];
int linearIndex = ((xni + PRECOMPUTE_RADIUS) * PRECOMPUTE_SIZE + (yni + PRECOMPUTE_RADIUS)) * 3;
double lookup = cellData[linearIndex + 2];
if(lookup < lowestLookup) {
lowestLookup = lookup;
connectedCellX = data[0];
connectedCellY = data[1];
connectedCellX = cellData[linearIndex];
connectedCellY = cellData[linearIndex + 1];
}
}
}
double[] data = cellData[xi+PRECOMPUTE_RADIUS][yi+PRECOMPUTE_RADIUS];
double cellX = data[0];
double cellY = data[1];
int linearIndex = ((xi + PRECOMPUTE_RADIUS) * PRECOMPUTE_SIZE + (yi + PRECOMPUTE_RADIUS)) * 3;
double cellX = cellData[linearIndex];
double cellY = cellData[linearIndex + 1];
// Calculate SDF for line between the current cell position and the surrounding cell with the lowest lookup
double distance = lineSdf2D(x, y, cellX, cellY, connectedCellX, connectedCellY);