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Noise boxing

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Daniel Mills
2021-07-16 03:54:09 -04:00
parent 24242db981
commit 377a4c2284
12 changed files with 243 additions and 47 deletions
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133
src/main/java/com/volmit/iris/engine/object/InterpolationMethod.java
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@@ -1,133 +0,0 @@
/*
* Iris is a World Generator for Minecraft Bukkit Servers
* Copyright (c) 2021 Arcane Arts (Volmit Software)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
package com.volmit.iris.engine.object;
import com.volmit.iris.engine.object.annotations.Desc;
@Desc("An interpolation method (or function) is simply a method of smoothing a position based on surrounding points on a grid. Bicubic for example is smoother, but has 4 times the checks than Bilinear for example. Try using BILINEAR_STARCAST_9 for beautiful results.")
public enum InterpolationMethod {
@Desc("No interpolation. Nearest Neighbor (bad for terrain, great for performance).")
NONE,
@Desc("Uses 4 nearby points in a square to calculate a 2d slope. Very fast but creates square artifacts. See: https://en.wikipedia.org/wiki/Bilinear_interpolation")
BILINEAR,
@Desc("Starcast is Iris's own creation. It uses raytrace checks to find a horizontal boundary nearby. 3 Checks in a circle. Typically starcast is used with another interpolation method. See BILINEAR_STARCAST_9 For example. Starcast is meant to 'break up' large, abrupt cliffs to make cheap interpolation smoother.")
STARCAST_3,
@Desc("Starcast is Iris's own creation. It uses raytrace checks to find a horizontal boundary nearby. 6 Checks in a circle. Typically starcast is used with another interpolation method. See BILINEAR_STARCAST_9 For example. Starcast is meant to 'break up' large, abrupt cliffs to make cheap interpolation smoother.")
STARCAST_6,
@Desc("Starcast is Iris's own creation. It uses raytrace checks to find a horizontal boundary nearby. 9 Checks in a circle. Typically starcast is used with another interpolation method. See BILINEAR_STARCAST_9 For example. Starcast is meant to 'break up' large, abrupt cliffs to make cheap interpolation smoother.")
STARCAST_9,
@Desc("Starcast is Iris's own creation. It uses raytrace checks to find a horizontal boundary nearby. 12 Checks in a circle. Typically starcast is used with another interpolation method. See BILINEAR_STARCAST_9 For example. Starcast is meant to 'break up' large, abrupt cliffs to make cheap interpolation smoother.")
STARCAST_12,
@Desc("Uses starcast to break up the abrupt sharp cliffs, then smooths the rest out with bilinear.")
BILINEAR_STARCAST_3,
@Desc("Uses starcast to break up the abrupt sharp cliffs, then smooths the rest out with bilinear.")
BILINEAR_STARCAST_6,
@Desc("Uses starcast to break up the abrupt sharp cliffs, then smooths the rest out with bilinear.")
BILINEAR_STARCAST_9,
@Desc("Uses starcast to break up the abrupt sharp cliffs, then smooths the rest out with bilinear.")
BILINEAR_STARCAST_12,
@Desc("Uses starcast to break up the abrupt sharp cliffs, then smooths the rest out with hermite.")
HERMITE_STARCAST_3,
@Desc("Uses starcast to break up the abrupt sharp cliffs, then smooths the rest out with hermite.")
HERMITE_STARCAST_6,
@Desc("Uses starcast to break up the abrupt sharp cliffs, then smooths the rest out with hermite.")
HERMITE_STARCAST_9,
@Desc("Uses starcast to break up the abrupt sharp cliffs, then smooths the rest out with hermite.")
HERMITE_STARCAST_12,
@Desc("Uses bilinear but on a bezier curve. See: https://en.wikipedia.org/wiki/Bezier_curve")
BILINEAR_BEZIER,
@Desc("Uses Bilinear but with parametric curves alpha 2.")
BILINEAR_PARAMETRIC_2,
@Desc("Uses Bilinear but with parametric curves alpha 4.")
BILINEAR_PARAMETRIC_4,
@Desc("Uses Bilinear but with parametric curves alpha 1.5.")
BILINEAR_PARAMETRIC_1_5,
@Desc("Bicubic noise creates 4, 4-point splines for a total of 16 checks. Bcubic can go higher than expected and lower than expected right before a large change in slope.")
BICUBIC,
@Desc("Hermite is similar to bicubic, but faster and it can be tuned a little bit")
HERMITE,
@Desc("Essentially bicubic with zero tension")
CATMULL_ROM_SPLINE,
@Desc("Essentially bicubic with max tension")
HERMITE_TENSE,
@Desc("Hermite is similar to bicubic, this variant reduces the dimple artifacts of bicubic")
HERMITE_LOOSE,
@Desc("Hermite is similar to bicubic, this variant reduces the dimple artifacts of bicubic")
HERMITE_LOOSE_HALF_POSITIVE_BIAS,
@Desc("Hermite is similar to bicubic, this variant reduces the dimple artifacts of bicubic")
HERMITE_LOOSE_HALF_NEGATIVE_BIAS,
@Desc("Hermite is similar to bicubic, this variant reduces the dimple artifacts of bicubic")
HERMITE_LOOSE_FULL_POSITIVE_BIAS,
@Desc("Hermite is similar to bicubic, this variant reduces the dimple artifacts of bicubic")
HERMITE_LOOSE_FULL_NEGATIVE_BIAS,
}

1
src/main/java/com/volmit/iris/engine/object/IrisFeature.java
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@@ -20,6 +20,7 @@ package com.volmit.iris.engine.object;
import com.google.gson.Gson;
import com.volmit.iris.engine.cache.AtomicCache;
import com.volmit.iris.engine.interpolation.InterpolationMethod;
import com.volmit.iris.engine.interpolation.IrisInterpolation;
import com.volmit.iris.engine.object.annotations.Desc;
import com.volmit.iris.engine.object.annotations.MaxNumber;

1
src/main/java/com/volmit/iris/engine/object/IrisInterpolator.java
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@@ -18,6 +18,7 @@
package com.volmit.iris.engine.object;
import com.volmit.iris.engine.interpolation.InterpolationMethod;
import com.volmit.iris.engine.interpolation.IrisInterpolation;
import com.volmit.iris.engine.object.annotations.Desc;
import com.volmit.iris.engine.object.annotations.MaxNumber;