MinecraftMods/BetterEnd
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Different island terrain (WIP)

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This commit is contained in:
paulevsGitch 2021-03-28 20:04:52 +03:00
parent 83f4f923b1
commit 21358808e4
3 changed files with 90 additions and 4 deletions
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59
src/main/java/ru/betterend/util/sdf/operator/SDFHeightmap.java Normal file
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package ru.betterend.util.sdf.operator;
import net.minecraft.client.texture.NativeImage;
import net.minecraft.util.math.MathHelper;
public class SDFHeightmap extends SDFDisplacement {
private float intensity = 1F;
private NativeImage map;
private float offsetX;
private float offsetZ;
private float angle;
private float scale;
public SDFHeightmap() {
setFunction((pos) -> {
if (map == null) {
return 0F;
}
float dx = MathHelper.clamp(pos.getX() * scale + offsetX, 0, map.getWidth() - 2);
float dz = MathHelper.clamp(pos.getZ() * scale + offsetZ, 0, map.getHeight() - 2);
int x1 = MathHelper.floor(dx);
int z1 = MathHelper.floor(dz);
int x2 = x1 + 1;
int z2 = z1 + 1;
dx = dx - x1;
dz = dz - z1;
float a = (map.getPixelColor(x1, z1) & 255) / 255F;
float b = (map.getPixelColor(x2, z1) & 255) / 255F;
float c = (map.getPixelColor(x1, z2) & 255) / 255F;
float d = (map.getPixelColor(x2, z2) & 255) / 255F;
a = MathHelper.lerp(dx, a, b);
b = MathHelper.lerp(dx, c, d);
return -MathHelper.lerp(dz, a, b) * intensity;
});
}
public SDFHeightmap setMap(NativeImage map) {
this.map = map;
offsetX = map.getWidth() * 0.5F;
offsetZ = map.getHeight() * 0.5F;
scale = map.getWidth();
return this;
}
public SDFHeightmap setAngle(float angle) {
this.angle = angle;
return this;
}
public SDFHeightmap setScale(float scale) {
this.scale = map.getWidth() * scale;
return this;
}
public SDFHeightmap setIntensity(float intensity) {
this.intensity = intensity;
return this;
}
}