210 lines
8.5 KiB
Java
210 lines
8.5 KiB
Java
package electrosphere.renderer;
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import electrosphere.main.Globals;
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import electrosphere.engine.assetmanager.AssetDataStrings;
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import electrosphere.renderer.texture.Texture;
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import java.nio.FloatBuffer;
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import java.nio.IntBuffer;
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import java.util.ArrayList;
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import java.util.LinkedList;
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import java.util.List;
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import org.joml.Vector3f;
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import org.lwjgl.BufferUtils;
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import static org.lwjgl.opengl.GL30.glBindVertexArray;
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import static org.lwjgl.opengl.GL30.glGenVertexArrays;
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/**
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*
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* @author satellite
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*/
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public class ModelUtils {
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// public static Model createTerrainModel(float[][] heightfield, int stride){
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// Model rVal = new Model();
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// rVal.meshes = new ArrayList();
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// Mesh m = new Mesh();
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// int width = heightfield.length;
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// int height = heightfield[0].length;
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//
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// int actualWidth = (int)Math.ceil(1.0 * width / stride);
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// int actualHeight = (int)Math.ceil(1.0 * height / stride);
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//
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//// System.out.println(actualWidth + " " + actualHeight);
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//
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//// System.out.println((actualWidth - 1) * (actualHeight - 1));
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//
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// FloatBuffer vertices = BufferUtils.createFloatBuffer(actualWidth * actualHeight * 3);
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// FloatBuffer normals = BufferUtils.createFloatBuffer(actualWidth * actualHeight * 3);
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// IntBuffer faces = BufferUtils.createIntBuffer((actualWidth - 1) * (actualHeight - 1) * 2 * 3);
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// FloatBuffer texture_coords = BufferUtils.createFloatBuffer(actualWidth * actualHeight * 2);
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// for(int x = 0; x < width; x = x + stride){
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// for(int y = 0; y < height; y = y + stride){
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// //deal with vertex
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// vertices.put(x);
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// vertices.put(heightfield[x][y]);
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// vertices.put(y);
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// //deal with normal
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// if(x / stride < actualWidth - 1){
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// if(y / stride < actualHeight - 1){
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// float hL;
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// if(x > 0){
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// hL = heightfield[x-1][y];
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// } else {
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// hL = heightfield[x][y];
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// }
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// float hR = heightfield[x+1][y];
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// float hD = heightfield[x][y+1];
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// float hU;
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// if(y > 0){
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// hU = heightfield[x][y-1];
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// } else {
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// hU = heightfield[x][y];
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// }
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// Vector3f Normal = new Vector3f(hL - hR, 2.0f, hD - hU);
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// Normal.normalize();
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// normals.put(Normal.x);
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// normals.put(Normal.y);
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// normals.put(Normal.z);
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// } else {
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// float hL;
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// if(x > 0){
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// hL = heightfield[x-1][y];
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// } else {
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// hL = heightfield[x][y];
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// }
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// float hR = heightfield[x+1][y];
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// float hD = heightfield[x][y];
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// float hU = heightfield[x][y-1];
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// Vector3f Normal = new Vector3f(hL - hR, 2.0f, hD - hU);
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// Normal.normalize();
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// normals.put(Normal.x);
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// normals.put(Normal.y);
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// normals.put(Normal.z);
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// }
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// } else {
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// if(y / stride < actualHeight - 1){
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// float hL = heightfield[x-1][y];
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// float hR = heightfield[x][y];
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// float hD = heightfield[x][y+1];
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// float hU;
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// if(y > 0){
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// hU = heightfield[x][y-1];
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// } else {
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// hU = heightfield[x][y];
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// }
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// Vector3f Normal = new Vector3f(hL - hR, 2.0f, hD - hU);
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// Normal.normalize();
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// normals.put(Normal.x);
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// normals.put(Normal.y);
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// normals.put(Normal.z);
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// } else {
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// float hL = heightfield[x-1][y];
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// float hR = heightfield[x][y];
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// float hD = heightfield[x][y];
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// float hU = heightfield[x][y-1];
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// Vector3f Normal = new Vector3f(hL - hR, 2.0f, hD - hU);
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// Normal.normalize();
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// normals.put(Normal.x);
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// normals.put(Normal.y);
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// normals.put(Normal.z);
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// }
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// }
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// //deal with texture coordinates
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// if(x / stride % 2 == 0){
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// if(y / stride % 2 == 0){
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// texture_coords.put(0);
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// texture_coords.put(0);
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// } else {
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// texture_coords.put(0);
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// texture_coords.put(1);
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// }
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// } else {
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// if(y / stride % 2 == 0){
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// texture_coords.put(1);
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// texture_coords.put(0);
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// } else {
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// texture_coords.put(1);
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// texture_coords.put(1);
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// }
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// }
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// //deal with faces
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// if(x / stride < actualWidth - 1 && y / stride < actualHeight - 1){
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// faces.put((x / stride + 0) * actualHeight + (y / stride + 0));
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// faces.put((x / stride + 0) * actualHeight + (y / stride + 1));
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// faces.put((x / stride + 1) * actualHeight + (y / stride + 0));
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// faces.put((x / stride + 1) * actualHeight + (y / stride + 0));
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// faces.put((x / stride + 0) * actualHeight + (y / stride + 1));
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// faces.put((x / stride + 1) * actualHeight + (y / stride + 1));
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// }
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// }
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// }
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// vertices.flip();
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// normals.flip();
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// faces.flip();
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// texture_coords.flip();
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//
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// m.vertexArrayObject = glGenVertexArrays();
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// glBindVertexArray(m.vertexArrayObject);
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// //buffer vertices
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// m.buffer_vertices(vertices, 3);
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// //buffer normals
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// m.buffer_normals(normals, 3);
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// //buffer faces
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// m.buffer_faces(faces);
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// //buffer texture coords
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// m.buffer_texture_coords(texture_coords, 2);
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// m.shader = ShaderProgram.loadSpecificShader("/Shaders/terrain/terrain.vs", "/Shaders/terrain/terrain.fs");
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// glBindVertexArray(0);
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// m.parent = rVal;
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//
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// Material groundMat = new Material();
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// Globals.assetManager.addTexturePathtoQueue("/Textures/Ground/Dirt1.png");
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// groundMat.set_diffuse("/Textures/Ground/Dirt1.png");
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// groundMat.set_specular("/Textures/Ground/Dirt1.png");
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// m.set_material(groundMat);
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//
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// rVal.meshes.add(m);
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// return rVal;
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// }
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public static void printModelDimension(Model m){
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float minX = 0;
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float maxX = 0;
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float minY = 0;
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float maxY = 0;
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float minZ = 0;
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float maxZ = 0;
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boolean initiated = false;
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for(Mesh currentMesh : m.meshes){
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if(initiated){
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if(currentMesh.vertexMinX < minX){ minX = currentMesh.vertexMinX; }
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if(currentMesh.vertexMaxX > maxX){ maxX = currentMesh.vertexMaxX; }
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if(currentMesh.vertexMinY < minY){ minY = currentMesh.vertexMinY; }
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if(currentMesh.vertexMaxY > maxY){ maxY = currentMesh.vertexMaxY; }
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if(currentMesh.vertexMinZ < minZ){ minZ = currentMesh.vertexMinZ; }
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if(currentMesh.vertexMaxZ > maxZ){ maxZ = currentMesh.vertexMaxZ; }
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} else {
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initiated = true;
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minX = currentMesh.vertexMinX;
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maxX = currentMesh.vertexMaxX;
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minY = currentMesh.vertexMinY;
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maxY = currentMesh.vertexMaxY;
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minZ = currentMesh.vertexMinZ;
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maxZ = currentMesh.vertexMaxZ;
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}
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}
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System.out.println("dimensions: " + (maxX - minX) + "," + (maxY - minY) + "," + (maxZ-minZ));
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}
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}
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