Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Use parse-pc2 for demo instead of internal parser #17

Open
wants to merge 1 commit into
base: master
Choose a base branch
from
Open
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension


Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
1 change: 1 addition & 0 deletions package.json
Original file line number Diff line number Diff line change
Expand Up @@ -39,6 +39,7 @@
"standard": "^5.4.1",
"unindex-mesh": "0.0.0",
"parse-wavefront-obj": "^1.0.1",
"parse-pc2": "^1.0.1",
"brfs": "^1.4.3"
},
"repository": {
Expand Down
33 changes: 2 additions & 31 deletions test/test.js
Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@ var glslify = require('glslify')
var bunny = require('bunny')
var createShader = require('gl-shader')
var parseOBJ = require('parse-wavefront-obj')
var pc2Parser = require('parse-pc2')
var fs = require('fs')

var createGeom = require('../')
Expand Down Expand Up @@ -105,7 +106,7 @@ function createExample (pos, norm, cells, options) {
}

function createAttributeUpdateExample () {
var anim = parsePC2(fs.readFileSync(__dirname + '/basicCloth.pc2'))
var anim = pc2Parser.toObject(fs.readFileSync(__dirname + '/basicCloth.pc2'))
var obj = parseOBJ(fs.readFileSync(__dirname + '/basicCloth.obj'))
var norms = normals.vertexNormals(obj.cells, obj.positions)

Expand All @@ -128,33 +129,3 @@ function createAttributeUpdateExample () {

return createExample(obj, norms, null, {noculling: true, update: update, zoom: 4})
}

// Basic parser implemented using informations from
// http://mattebb.com/projects/bpython/pointcache/export_pc2.py
function parsePC2 (buf) {
var pc2 = {}

// Read header
pc2.numPoints = buf.readUInt32LE(16) // Number of points per sample
pc2.startFrame = buf.readFloatLE(20) // First sampled frame
pc2.sampleRate = buf.readFloatLE(24) // How frequently to sample (or skip) the frames
pc2.numSamples = buf.readUInt32LE(28) // How many samples are stored in this file

// Read data
var off = 32
pc2.frames = []
for (var f = pc2.startFrame; f < pc2.startFrame + pc2.numSamples; f += pc2.sampleRate) {
var frame = []
for (var i = 0; i < pc2.numPoints; i++) {
var point = []
for (var j = 0; j < 3; j++) {
point.push(buf.readFloatLE(off))
off += 4
}
frame.push(point)
}
pc2.frames.push(frame)
}

return pc2
}