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A GLModelView component for React Native, allowing you to display and animate any Wavefront.

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react-native-gl-model-view

npm version license

A <ModelView> component for react-native, allowing you to display and animate any Wavefront .OBJ 3D object. Realized with a native bridge to GLView for iOS and a native bridge to jPCT-AE for Android.

Main features:

Requirements

  • Cocoapods (for iOS) - to install the GLView dependency.

Getting started

You can install and try linking the project automatically:

$ npm install --save react-native-gl-model-view $ react-native link

or do it manually as described below:

iOS Manual installation

$ npm install --save react-native-gl-model-view

Afterwards add following lines to your Podfile:

pod 'React', :path => '../node_modules/react-native' pod 'RNGLModelView', :path => '../node_modules/react-native-gl-model-view'

Android Manual installation

$ npm install --save react-native-gl-model-view

Afterwards, add the following lines to the android/settings.gradle file:

include ':react-native-gl-model-view' project(':react-native-gl-model-view').projectDir = new File(rootProject.projectDir, '../node_modules/react-native-gl-model-view/android/app')

Finally, add the react-native-gl-model-view project as a dependency of the android/app/build.gradle file:

dependencies {     compile project(':react-native-gl-model-view')     ... }

Usage

Model and texture loading

iOS

To load a model on iOS, you need to put the file at the root of your Xcode project via the editor.

Android

To load a model on Android, you need to place the model in the android/app/src/main/assets folder. Create a new folder if it doesn't exist yet.

Static

import ModelView from 'react-native-gl-model-view';  <ModelView     model={{       uri: 'model.obj',     }}     texture={{       uri: 'texture.png',     }}      scale={0.01}      translateZ={-2}     rotateZ={270}      style={{flex: 1}} />

Animated

Make the <ModelView>'s native props animatable by wrapping the Animated API around it:

import ModelView from 'react-native-gl-model-view'; import { Animated, Easing } from 'react-native';  const AnimatedModelView = Animated.createAnimatedComponent(ModelView);

As this usage of the Animated API is kinda hacky, you must call the private __makeNative() method on all Animated.Values before using Animated.multiply and such.

constructor() {     this.state = {         zoom: new Animated.Value(0),         // ...     };     Object.keys(this.state).forEach(key =>         this.state[key] instanceof Animated.Value &&         this.state[key].__makeNative()     ); }

Now you can apply all the Animated API magic to the <AnimatedModelView>'s props.

render() {     <AnimatedModelView         ...         animate={true}         translateZ={this.state.zoom}     /> } componentDidMount() {     Animated.timing(this.state.zoom, {         toValue: -2,         useNativeDriver: true,         duration: 2000,         easing: Easing.bounce     }).start(); }

Properties

Prop Default Type Description
model undefined object filename or URL of the model as uri
texture undefined object filename or URL of the texture as uri
tint {r: 1.0, g: 1.0, b: 1.0, a: 1.0} object Tints the texture or set the color of the model if there is no texture
animate false bool Model re-renders each 1/60s when set to true
flipTexture false bool The texture will be flipped vertically when set to true
scale 1 number Scale all axes of the model by given factor (overwrites scale*)
scaleX 1 number Scale X axis by given factor
scaleY 1 number Scale Y axis by given factor
scaleZ 1 number Scale Z axis by given factor
rotateX 0 number Rotate around X axis by given degree
rotateY 0 number Rotate around Y axis by given degree
rotateZ 0 number Rotate around Z axis by given degree
translateX 0 number Translate X position by given points
translateY 0 number Translate Y position by given points
translateZ 0 number Translate Z position by given points

Examples

Check out the example project:

To install the dependencies, switch into the example folder and set it up as following:

For npm < 5

$ npm install

For npm >= 5

npm 5 changed the way npm install installs and links local modules. Previously, if a dependency in package.json was using the file: <relative/path/to/file protocol, npm install would copy the folder inside node_modules as if it were downloading a module from the npm registry. But since npm 5, npm install only creates a symlink to the module. Since the react-native packager doesn't work well with symlinks, it cannot find the react module when running the app. A workaround is to install "instal-local", which is a tool made specifically to fix this npm 5 problem:

$ npm install -g install-local $ install-local

To build and run the app, set it up as following:

iOS

$ cd ios $ pod install $ cd .. $ react-native run-ios

Android

$ react-native run-android

Backlog

Special thanks

License

The MIT License (MIT)

Copyright (c) 2017 Michael Straßburger

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.


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