MinecraftMods/BetterEnd
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Fixes and splines

Browse source
This commit is contained in:
paulevsGitch 2020-09-29 13:11:28 +03:00
parent c638a20ae6
commit 64614bc487
6 changed files with 99 additions and 14 deletions
Download patch file Download diff file Expand all files Collapse all files

61
src/main/java/ru/betterend/util/SplineHelper.java Normal file
View file

@ -0,0 +1,61 @@
package ru.betterend.util;
import java.util.List;
import java.util.Random;
import java.util.function.Function;
import com.google.common.collect.Lists;
import net.minecraft.block.BlockState;
import net.minecraft.client.util.math.Vector3f;
import net.minecraft.util.math.BlockPos;
import net.minecraft.util.math.MathHelper;
import ru.betterend.util.sdf.ISDF;
import ru.betterend.util.sdf.operator.SDFUnion;
import ru.betterend.util.sdf.primitive.SDFLine;
public class SplineHelper {
public static List<Vector3f> makeSpline(float x1, float y1, float z1, float x2, float y2, float z2, int points) {
List<Vector3f> spline = Lists.newArrayList();
spline.add(new Vector3f(x1, y1, z1));
int count = points - 1;
for (int i = 1; i < count; i++) {
float delta = (float) i / (float) count;
float x = MathHelper.lerp(delta, x1, x2);
float y = MathHelper.lerp(delta, y1, y2);
float z = MathHelper.lerp(delta, z1, z2);
spline.add(new Vector3f(x, y, z));
}
spline.add(new Vector3f(x2, y2, z2));
return spline;
}
public static void offsetParts(List<Vector3f> spline, Random random, float dx, float dy, float dz) {
int count = spline.size();
for (int i = 1; i < count; i++) {
Vector3f pos = spline.get(i);
float x = pos.getX() + (float) random.nextGaussian() * dx;
float y = pos.getY() + (float) random.nextGaussian() * dy;
float z = pos.getZ() + (float) random.nextGaussian() * dz;
pos.set(x, y, z);
}
}
public static ISDF buildSDF(List<Vector3f> spline, float radius1, float radius2, Function<BlockPos, BlockState> placerFunction) {
int count = spline.size();
float max = count - 2;
ISDF result = null;
Vector3f start = spline.get(0);
for (int i = 1; i < count; i++) {
Vector3f pos = spline.get(i);
float delta = (float) (i - 1) / max;
SDFLine line = new SDFLine(placerFunction)
.setRadius(MathHelper.lerp(delta, radius1, radius2))
.setStart(start.getX(), start.getY(), start.getZ())
.setEnd(pos.getX(), pos.getY(), pos.getZ());
result = result == null ? line : new SDFUnion().setSourceA(result).setSourceB(line);
start = pos;
}
return result;
}
}