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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 | 20x 20x 20x 20x 20x 20x 20x 47x 47x 47x 47x 47x 47x 47x 47x 47x 47x 47x 130x 130x 47x 130x 130x 130x 130x 130x 130x 130x 2x 2x 1x 130x 47x 47x 47x 47x 47x 47x 47x 47x 47x 47x 47x 47x 47x 47x 47x | import { Node, CcState } from "../../../codeCharta.model"
import { CodeMapGeometricDescription } from "./codeMapGeometricDescription"
import { addBoxToVertexData, IntermediateVertexData, BoxMeasures } from "./geometryGenerationHelper"
import { ColorConverter } from "../../../util/color/colorConverter"
import { Mesh, BufferGeometry, Material, BufferAttribute } from "three"
import { treeMapSize } from "../../../util/algorithm/treeMapLayout/treeMapHelper"
export interface BuildResult {
mesh: Mesh
desc: CodeMapGeometricDescription
}
export class GeometryGenerator {
private static MINIMAL_BUILDING_HEIGHT = 1
private floorGradient: string[]
private materials: Material[]
build(nodes: Node[], material: Material, state: CcState, isDeltaState: boolean): BuildResult {
const desc = new CodeMapGeometricDescription(treeMapSize)
this.floorGradient = ColorConverter.gradient("#333333", "#DDDDDD", this.getMaxNodeDepth(nodes))
this.materials = [material]
const vertices = nodes.length
const threeDimension = 3
const twoDimension = 2
const numberSides = 6
const verticesPerSide = 4
const size = vertices * verticesPerSide * numberSides
const data: IntermediateVertexData = {
positions: new Float32Array(size * threeDimension),
uvs: new Float32Array(size * twoDimension),
normals: new Float32Array(size * threeDimension),
colors: new Float32Array(size * threeDimension),
indices: new Uint32Array(vertices * numberSides * numberSides),
ids: new Float32Array(size),
deltas: new Float32Array(size),
isHeight: new Float32Array(size)
}
for (const [index, node] of nodes.entries()) {
Iif (!node.isLeaf) {
this.addFloor(data, node, index, desc)
} else {
this.addBuilding(data, node, index, desc, state, isDeltaState)
}
}
return {
mesh: this.buildMeshFromIntermediateVertexData(data),
desc
}
}
private getMaxNodeDepth(nodes: Node[]) {
return nodes.reduce((max, { depth }) => Math.max(depth, max), 0)
}
private mapNodeToLocalBox(node: Node): BoxMeasures {
return {
x: node.x0,
y: node.z0,
z: node.y0,
width: node.width,
height: node.height,
depth: node.length
}
}
private ensureMinHeightUnlessDeltaIsNegative(height: number, delta: number) {
return delta <= 0 ? height : Math.max(height, GeometryGenerator.MINIMAL_BUILDING_HEIGHT)
}
private addFloor(data: IntermediateVertexData, node: Node, index: number, desc: CodeMapGeometricDescription) {
const color = this.getMarkingColorWithGradient(node)
const measures = this.mapNodeToLocalBox(node)
addBoxToVertexData(data, node, measures, color, index, desc, 0)
}
private getMarkingColorWithGradient(node: Node) {
Iif (node.markingColor) {
const markingColorAsNumber = ColorConverter.getNumber(node.markingColor)
const markingColorWithGradient = markingColorAsNumber & (node.depth % 2 === 0 ? 0xdd_dd_dd : 0xff_ff_ff)
return ColorConverter.convertNumberToHex(markingColorWithGradient)
}
return this.floorGradient[node.depth]
}
private addBuilding(
data: IntermediateVertexData,
node: Node,
index: number,
desc: CodeMapGeometricDescription,
state: CcState,
isDeltaState: boolean
) {
const measures = this.mapNodeToLocalBox(node)
measures.height = this.ensureMinHeightUnlessDeltaIsNegative(node.height, node.heightDelta)
let renderDelta = 0
if (isDeltaState && node.deltas && node.deltas[state.dynamicSettings.heightMetric] && node.heightDelta) {
renderDelta = node.heightDelta // Set the transformed render delta
if (!node.flat && renderDelta < 0) {
measures.height += Math.abs(renderDelta)
}
}
addBoxToVertexData(data, node, measures, node.color, index, desc, renderDelta)
}
private buildMeshFromIntermediateVertexData(data: IntermediateVertexData) {
const threeDimensions = 3
const twoDimensions = 2
const deltaColors = new Float32Array(data.colors)
const geometry = new BufferGeometry()
geometry.setAttribute("position", new BufferAttribute(data.positions, threeDimensions))
geometry.setAttribute("normal", new BufferAttribute(data.normals, threeDimensions))
geometry.setAttribute("isHeight", new BufferAttribute(data.isHeight, 1))
geometry.setAttribute("uv", new BufferAttribute(data.uvs, twoDimensions))
geometry.setAttribute("color", new BufferAttribute(data.colors, threeDimensions))
geometry.setAttribute("deltaColor", new BufferAttribute(deltaColors, threeDimensions))
geometry.setAttribute("subGeomIdx", new BufferAttribute(data.ids, 1))
geometry.setAttribute("delta", new BufferAttribute(data.deltas, 1))
geometry.setIndex(new BufferAttribute(data.indices, 1))
geometry.addGroup(0, Number.POSITIVE_INFINITY, 0)
return new Mesh(geometry, this.materials)
}
}
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