update dependencies and ditch the planet shit
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16
package.json
16
package.json
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@ -16,19 +16,19 @@
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"author": "Evert \"Diamond\" Prants <evert@lunasqu.ee>",
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"license": "LGPL-3.0-or-later",
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"devDependencies": {
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"@babel/core": "^7.1.6",
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"@babel/plugin-transform-runtime": "^7.1.0",
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"@babel/preset-env": "^7.1.6",
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"babel-loader": "^8.0.4",
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"express": "^4.16.4",
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"@babel/core": "^7.7.4",
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"@babel/plugin-transform-runtime": "^7.7.4",
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"@babel/preset-env": "^7.7.4",
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"babel-loader": "^8.0.6",
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"express": "^4.17.1",
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"html-webpack-plugin": "^3.2.0",
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"standard": "^12.0.1",
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"webpack": "^4.26.0",
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"webpack": "^4.41.2",
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"webpack-command": "^0.4.2"
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},
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"dependencies": {
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"@babel/runtime": "^7.1.5",
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"@babel/runtime": "^7.7.4",
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"gl-matrix": "^2.8.1",
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"open-simplex-noise": "^1.5.0"
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"open-simplex-noise": "^1.7.0"
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}
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}
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@ -1,214 +0,0 @@
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import { Mesh } from '../../mesh'
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import { BoundingBox } from '../../mesh/aabb'
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import { mat4, vec3 } from 'gl-matrix'
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import { subv3, mulv3, addv3, normalv3, crossv3 } from '../../utility'
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const lodMax = 8
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class CubeFace {
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constructor (parent, level, pos, normal, resolution, radius, generator) {
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this.parent = parent
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this.children = []
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this.normal = normal
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this.resolution = resolution
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this.radius = radius
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this.level = level
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this.generated = false
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this.generator = generator
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// Calculate left (x) and forward (z) vectors from the normal (y)
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this.left = [normal[1], normal[2], normal[0]]
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this.forward = crossv3(normal, this.left)
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this.position = pos
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// Center the face
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this.position = subv3(this.position, mulv3(this.left, this.radius / 2))
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this.position = subv3(this.position, mulv3(this.forward, this.radius / 2))
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this.generate()
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}
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generate () {
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if (this.generated) return
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let VERTICES = this.resolution
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let count = VERTICES * VERTICES
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let vertices = new Array(count * 3)
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// let normals = new Array(count * 3)
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let textureCoords = new Array(count * 2)
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let indices = new Array(6 * (VERTICES - 1) * (VERTICES - 1))
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for (let i = 0, vertexPointer = 0; i < VERTICES; i++) {
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for (let j = 0; j < VERTICES; j++, vertexPointer++) {
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// Vertex index (0 - 1)
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let iindex = i / (VERTICES - 1)
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let jindex = j / (VERTICES - 1)
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// From the left and forward vectors, we can calculate an oriented vertex
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let iv = mulv3(mulv3(this.left, iindex), this.radius)
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let jv = mulv3(mulv3(this.forward, jindex), this.radius)
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// Add the scaled left and forward to the centered origin
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let vertex = addv3(this.position, addv3(iv, jv))
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// Normalize and multiply by radius to create a spherical mesh
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let pos = mulv3(normalv3(vertex), this.radius)
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vertices[vertexPointer * 3] = pos[0]
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vertices[vertexPointer * 3 + 1] = pos[1]
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vertices[vertexPointer * 3 + 2] = pos[2]
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// normals[vertexPointer * 3] = normal[0]
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// normals[vertexPointer * 3 + 1] = normal[1]
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// normals[vertexPointer * 3 + 2] = normal[2]
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textureCoords[vertexPointer * 2] = j * (1 / VERTICES)
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textureCoords[vertexPointer * 2 + 1] = i * (1 / VERTICES)
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}
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}
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for (let gz = 0, pointer = 0; gz < VERTICES - 1; gz++) {
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for (let gx = 0; gx < VERTICES - 1; gx++) {
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let topLeft = (gz * VERTICES) + gx
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let topRight = topLeft + 1
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let bottomLeft = ((gz + 1) * VERTICES) + gx
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let bottomRight = bottomLeft + 1
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indices[pointer++] = topLeft
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indices[pointer++] = bottomLeft
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indices[pointer++] = topRight
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indices[pointer++] = topRight
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indices[pointer++] = bottomLeft
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indices[pointer++] = bottomRight
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}
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}
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this.mesh = Mesh.construct(window.gl, vertices, indices, textureCoords)
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this.bounds = BoundingBox.fromMesh(this.mesh)
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this.generated = true
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}
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dispose () {
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this.mesh = null
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this.generated = false
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}
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merge () {
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if (!this.children.length) return
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for (let i in this.children) {
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let ch = this.children[i]
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ch.merge()
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ch.dispose()
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}
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this.children = []
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}
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subdivide () {
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if (this.level === lodMax) return
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let subPos = this.position
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subPos = addv3(subPos, mulv3(this.left, this.radius / 2))
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subPos = addv3(subPos, mulv3(this.forward, this.radius / 2))
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let stepLeft = mulv3(this.left, this.radius / 4)
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let stepForward = mulv3(this.forward, this.radius / 4)
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let hs = this.radius / 2
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let lv = this.level + 1
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this.children = [
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new CubeFace(this, lv, addv3(subv3(subPos, stepLeft), stepForward), this.normal, this.resolution, hs, this.generator),
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new CubeFace(this, lv, addv3(addv3(subPos, stepLeft), stepForward), this.normal, this.resolution, hs, this.generator),
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new CubeFace(this, lv, subv3(subv3(subPos, stepLeft), stepForward), this.normal, this.resolution, hs, this.generator),
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new CubeFace(this, lv, subv3(addv3(subPos, stepLeft), stepForward), this.normal, this.resolution, hs, this.generator)
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]
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this.dispose()
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}
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draw (gl, shader) {
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if (!this.mesh) {
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for (let i in this.children) {
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this.children[i].draw(gl, shader)
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}
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return
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}
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this.mesh.prepare(gl, shader)
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this.mesh.draw(gl, shader)
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}
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}
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class CubePlanet {
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constructor (origin, resolution, radius, generator) {
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this.origin = origin
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this.resolution = resolution
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this.radius = radius
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this.transform = mat4.create()
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mat4.fromTranslation(this.transform, origin)
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let hs = radius / 2
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this.faces = [
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new CubeFace(this, 0, [0, 0, -hs], [0, 0, -1], resolution, radius, generator), // front
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new CubeFace(this, 0, [0, 0, hs], [0, 0, 1], resolution, radius, generator), // back
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new CubeFace(this, 0, [-hs, 0, 0], [-1, 0, 0], resolution, radius, generator), // left
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new CubeFace(this, 0, [hs, 0, 0], [1, 0, 0], resolution, radius, generator), // right
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new CubeFace(this, 0, [0, hs, 0], [0, 1, 0], resolution, radius, generator), // top
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new CubeFace(this, 0, [0, -hs, 0], [0, -1, 0], resolution, radius, generator) // bottom
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]
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this.faces[0].subdivide()
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this.faces[0].children[0].subdivide()
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}
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getActiveQuadTreeFaces (face, active) {
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if (!face.children.length) {
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active.push(face)
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} else {
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for (let f = 0; f < face.children.length; f++) {
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this.getActiveQuadTreeFaces(face.children[f], active)
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}
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}
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}
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update (f, camera) {
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let activeTree = []
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this.getActiveQuadTreeFaces(this.faces[f], activeTree)
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for (let a = 0; a < activeTree.length; a++) {
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let dist = vec3.distance(camera.pos, activeTree[a].bounds.center)
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if (dist > activeTree[a].radius) {
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if (dist <= this.radius * 2.0 || activeTree[a].parent === this) {
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activeTree[a].merge()
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activeTree[a].generate()
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} else {
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activeTree[a].merge()
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activeTree[a].parent.merge()
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activeTree[a].parent.generate()
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}
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} else if (activeTree[a].radius > this.resolution && activeTree[a].level < lodMax) {
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activeTree[a].subdivide()
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}
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}
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}
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draw (gl, shader) {
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// Set model transform matrix uniform
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const transformLocation = shader.getUniformLocation(gl, 'uModelMatrix')
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gl.uniformMatrix4fv(transformLocation, false, this.transform)
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for (let i in this.faces) {
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this.faces[i].draw(gl, shader)
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}
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}
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}
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export { CubePlanet, CubeFace }
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10
src/index.js
10
src/index.js
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@ -7,8 +7,6 @@ import { Terrain } from './engine/components/terrain'
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import { SimplexHeightMap } from './engine/components/terrain/heightmap'
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import { Material } from './engine/mesh/material'
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import { CubePlanet } from './engine/components/planet'
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let game = new Engine()
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let env = new Environment()
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@ -37,9 +35,6 @@ async function pipeline () {
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let cam = new Camera([-200.0, 1.0, 0.0])
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cam.updateProjection(game.gl)
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// Planet test
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let planet = new CubePlanet([0.0, 0.0, 0.0], 16, 512)
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// Update function for camera
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let face = 0
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game.addUpdateFunction(function (dt) {
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@ -62,7 +57,6 @@ async function pipeline () {
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// TESTING: Move model forward
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// t = t + 0.1
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// entity.setPosition([t, 0.0, 0.0])
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planet.update(face++, cam)
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if (face > 5) face = 0
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})
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@ -71,8 +65,7 @@ async function pipeline () {
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shader.use(gl)
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cam.draw(gl, shader)
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entity.draw(gl, shader)
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planet.draw(gl, shader)
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/*
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// Use terrain shader
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terrainShader.use(gl)
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@ -84,7 +77,6 @@ async function pipeline () {
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// Draw terrain
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terrain.draw(gl, terrainShader)
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*/
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})
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game.startGameLoop()
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