| package jme3test.terrain; |
| |
| import com.jme3.app.SimpleApplication; |
| import com.jme3.app.state.ScreenshotAppState; |
| import com.jme3.bullet.control.CharacterControl; |
| import com.jme3.material.Material; |
| import com.jme3.math.ColorRGBA; |
| import com.jme3.math.Vector3f; |
| import com.jme3.terrain.geomipmap.TerrainGrid; |
| import com.jme3.terrain.geomipmap.TerrainLodControl; |
| import com.jme3.terrain.geomipmap.grid.FractalTileLoader; |
| import com.jme3.terrain.geomipmap.lodcalc.DistanceLodCalculator; |
| import com.jme3.terrain.noise.ShaderUtils; |
| import com.jme3.terrain.noise.basis.FilteredBasis; |
| import com.jme3.terrain.noise.filter.IterativeFilter; |
| import com.jme3.terrain.noise.filter.OptimizedErode; |
| import com.jme3.terrain.noise.filter.PerturbFilter; |
| import com.jme3.terrain.noise.filter.SmoothFilter; |
| import com.jme3.terrain.noise.fractal.FractalSum; |
| import com.jme3.terrain.noise.modulator.NoiseModulator; |
| import com.jme3.texture.Texture; |
| import com.jme3.texture.Texture.WrapMode; |
| |
| public class TerrainFractalGridTest extends SimpleApplication { |
| |
| private Material mat_terrain; |
| private TerrainGrid terrain; |
| private float grassScale = 64; |
| private float dirtScale = 16; |
| private float rockScale = 128; |
| |
| public static void main(final String[] args) { |
| TerrainFractalGridTest app = new TerrainFractalGridTest(); |
| app.start(); |
| } |
| private CharacterControl player3; |
| private FractalSum base; |
| private PerturbFilter perturb; |
| private OptimizedErode therm; |
| private SmoothFilter smooth; |
| private IterativeFilter iterate; |
| |
| @Override |
| public void simpleInitApp() { |
| this.flyCam.setMoveSpeed(100f); |
| ScreenshotAppState state = new ScreenshotAppState(); |
| this.stateManager.attach(state); |
| |
| // TERRAIN TEXTURE material |
| this.mat_terrain = new Material(this.assetManager, "Common/MatDefs/Terrain/HeightBasedTerrain.j3md"); |
| |
| // Parameters to material: |
| // regionXColorMap: X = 1..4 the texture that should be appliad to state X |
| // regionX: a Vector3f containing the following information: |
| // regionX.x: the start height of the region |
| // regionX.y: the end height of the region |
| // regionX.z: the texture scale for the region |
| // it might not be the most elegant way for storing these 3 values, but it packs the data nicely :) |
| // slopeColorMap: the texture to be used for cliffs, and steep mountain sites |
| // slopeTileFactor: the texture scale for slopes |
| // terrainSize: the total size of the terrain (used for scaling the texture) |
| // GRASS texture |
| Texture grass = this.assetManager.loadTexture("Textures/Terrain/splat/grass.jpg"); |
| grass.setWrap(WrapMode.Repeat); |
| this.mat_terrain.setTexture("region1ColorMap", grass); |
| this.mat_terrain.setVector3("region1", new Vector3f(15, 200, this.grassScale)); |
| |
| // DIRT texture |
| Texture dirt = this.assetManager.loadTexture("Textures/Terrain/splat/dirt.jpg"); |
| dirt.setWrap(WrapMode.Repeat); |
| this.mat_terrain.setTexture("region2ColorMap", dirt); |
| this.mat_terrain.setVector3("region2", new Vector3f(0, 20, this.dirtScale)); |
| |
| // ROCK texture |
| Texture rock = this.assetManager.loadTexture("Textures/Terrain/Rock2/rock.jpg"); |
| rock.setWrap(WrapMode.Repeat); |
| this.mat_terrain.setTexture("region3ColorMap", rock); |
| this.mat_terrain.setVector3("region3", new Vector3f(198, 260, this.rockScale)); |
| |
| this.mat_terrain.setTexture("region4ColorMap", rock); |
| this.mat_terrain.setVector3("region4", new Vector3f(198, 260, this.rockScale)); |
| |
| this.mat_terrain.setTexture("slopeColorMap", rock); |
| this.mat_terrain.setFloat("slopeTileFactor", 32); |
| |
| this.mat_terrain.setFloat("terrainSize", 513); |
| |
| this.base = new FractalSum(); |
| this.base.setRoughness(0.7f); |
| this.base.setFrequency(1.0f); |
| this.base.setAmplitude(1.0f); |
| this.base.setLacunarity(2.12f); |
| this.base.setOctaves(8); |
| this.base.setScale(0.02125f); |
| this.base.addModulator(new NoiseModulator() { |
| |
| @Override |
| public float value(float... in) { |
| return ShaderUtils.clamp(in[0] * 0.5f + 0.5f, 0, 1); |
| } |
| }); |
| |
| FilteredBasis ground = new FilteredBasis(this.base); |
| |
| this.perturb = new PerturbFilter(); |
| this.perturb.setMagnitude(0.119f); |
| |
| this.therm = new OptimizedErode(); |
| this.therm.setRadius(5); |
| this.therm.setTalus(0.011f); |
| |
| this.smooth = new SmoothFilter(); |
| this.smooth.setRadius(1); |
| this.smooth.setEffect(0.7f); |
| |
| this.iterate = new IterativeFilter(); |
| this.iterate.addPreFilter(this.perturb); |
| this.iterate.addPostFilter(this.smooth); |
| this.iterate.setFilter(this.therm); |
| this.iterate.setIterations(1); |
| |
| ground.addPreFilter(this.iterate); |
| |
| this.terrain = new TerrainGrid("terrain", 33, 129, new FractalTileLoader(ground, 256f)); |
| |
| this.terrain.setMaterial(this.mat_terrain); |
| this.terrain.setLocalTranslation(0, 0, 0); |
| this.terrain.setLocalScale(2f, 1f, 2f); |
| this.rootNode.attachChild(this.terrain); |
| |
| TerrainLodControl control = new TerrainLodControl(this.terrain, this.getCamera()); |
| control.setLodCalculator(new DistanceLodCalculator(33, 2.7f)); // patch size, and a multiplier |
| this.terrain.addControl(control); |
| |
| |
| |
| this.getCamera().setLocation(new Vector3f(0, 300, 0)); |
| |
| this.viewPort.setBackgroundColor(new ColorRGBA(0.7f, 0.8f, 1f, 1f)); |
| |
| |
| } |
| |
| @Override |
| public void simpleUpdate(final float tpf) { |
| } |
| } |