| 163 | class VOXMesh extends Mesh { |
| 164 | |
| 165 | constructor( chunk ) { |
| 166 | |
| 167 | const data = chunk.data; |
| 168 | const size = chunk.size; |
| 169 | const palette = chunk.palette; |
| 170 | |
| 171 | // |
| 172 | |
| 173 | const vertices = []; |
| 174 | const colors = []; |
| 175 | |
| 176 | const nx = [ 0, 0, 0, 0, 0, 1, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1 ]; |
| 177 | const px = [ 1, 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0 ]; |
| 178 | const py = [ 0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 1, 1, 1, 0, 1 ]; |
| 179 | const ny = [ 0, 0, 0, 0, 1, 0, 1, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1, 0 ]; |
| 180 | const nz = [ 0, 0, 1, 0, 0, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 0, 0, 0 ]; |
| 181 | const pz = [ 0, 1, 1, 1, 1, 1, 0, 1, 0, 1, 1, 0, 0, 1, 0, 1, 1, 1 ]; |
| 182 | |
| 183 | function add( tile, x, y, z, r, g, b ) { |
| 184 | |
| 185 | x -= size.x / 2; |
| 186 | y -= size.z / 2; |
| 187 | z += size.y / 2; |
| 188 | |
| 189 | for ( let i = 0; i < 18; i += 3 ) { |
| 190 | |
| 191 | vertices.push( tile[ i + 0 ] + x, tile[ i + 1 ] + y, tile[ i + 2 ] + z ); |
| 192 | colors.push( r, g, b ); |
| 193 | |
| 194 | } |
| 195 | |
| 196 | } |
| 197 | |
| 198 | // Store data in a volume for sampling |
| 199 | |
| 200 | const offsety = size.x; |
| 201 | const offsetz = size.x * size.y; |
| 202 | |
| 203 | const array = new Uint8Array( size.x * size.y * size.z ); |
| 204 | |
| 205 | for ( let j = 0; j < data.length; j += 4 ) { |
| 206 | |
| 207 | const x = data[ j + 0 ]; |
| 208 | const y = data[ j + 1 ]; |
| 209 | const z = data[ j + 2 ]; |
| 210 | |
| 211 | const index = x + ( y * offsety ) + ( z * offsetz ); |
| 212 | |
| 213 | array[ index ] = 255; |
| 214 | |
| 215 | } |
| 216 | |
| 217 | // Construct geometry |
| 218 | |
| 219 | let hasColors = false; |
| 220 | |
| 221 | for ( let j = 0; j < data.length; j += 4 ) { |
| 222 | |