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add merging different colours

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casperlamboo 2017-11-17 20:47:59 +01:00
parent f3652b19bc
commit cf6a607bee
1 changed files with 28 additions and 23 deletions
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55
src/utils/exportUtils.js
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@ -66,52 +66,56 @@ function createExportGeometry(shapeData, offsetSingleWalls, lineWidth) {
export function generateExportMesh(state, options = {}) {
const {
experimentalColorUnionExport = false,
unionGeometry = false,
exportLineWidth = LINE_WIDTH,
offsetSingleWalls = true,
matrix = ROTATION_MATRIX
} = options;
const geometries = [];
const materials = [];
let exportGeometry;
const objectMatrix = new THREE.Matrix4();
for (const id in state.objectsById) {
const shapeData = state.objectsById[id];
if (!SHAPE_TYPE_PROPERTIES[shapeData.type].D3Visible) continue;
const { geometry, material } = createExportGeometry(shapeData, offsetSingleWalls, exportLineWidth);
const { geometry, material } = createExportGeometry(shapeData, offsetSingleWalls || unionGeometry, exportLineWidth);
let objectGeometry = new THREE.Geometry().fromBufferGeometry(geometry);
objectGeometry.mergeVertices();
objectGeometry.applyMatrix(state.spaces[shapeData.space].matrix);
if (experimentalColorUnionExport) objectGeometry = new THREE_BSP(objectGeometry);
objectGeometry.applyMatrix(objectMatrix.multiplyMatrices(state.spaces[shapeData.space].matrix, matrix));
const colorHex = material.color.getHex();
const index = materials.findIndex(exportMaterial => exportMaterial.color.getHex() === colorHex);
if (index !== -1) {
if (experimentalColorUnionExport) {
geometries[index] = geometries[index].union(objectGeometry);
} else {
geometries[index].merge(objectGeometry);
}
} else {
geometries.push(objectGeometry);
let materialIndex = materials.findIndex(exportMaterial => exportMaterial.color.getHex() === colorHex);
if (materialIndex === -1) {
materialIndex = materials.length;
materials.push(material);
}
if (unionGeometry) objectGeometry = new THREE_BSP(objectGeometry, materials.length);
if (exportGeometry) {
if (unionGeometry) {
exportGeometry = exportGeometry.union(objectGeometry);
} else {
exportGeometry = exportGeometry.merge(objectGeometry, undefined, materials.length);
}
} else {
exportGeometry = objectGeometry;
}
}
const exportGeometry = geometries.reduce((combinedGeometry, geometry, materialIndex) => {
if (experimentalColorUnionExport) geometry = geometry.toMesh().geometry;
combinedGeometry.merge(geometry, matrix, materialIndex);
return combinedGeometry;
}, new THREE.Geometry());
const exportMaterial = new THREE.MultiMaterial(materials);
return new THREE.Mesh(exportGeometry, exportMaterial);
if (unionGeometry) {
return exportGeometry.toMesh(materials);
} else {
return new THREE.Mesh(exportGeometry, materials);
}
}
export async function createFile(objectsById, type, options) {
const exportMesh = generateExportMesh(objectsById, options);
export async function createFile(state, type, options) {
const exportMesh = generateExportMesh(state, options);
console.log('exportMesh: ', exportMesh);
switch (type) {
case 'json-string': {
@ -150,3 +154,4 @@ export async function createFile(objectsById, type, options) {
throw new Error(`did not regonize type ${type}`);
}
}
window.createFile = createFile;