GSAP-RN

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# GSAP-RN
Support for gsap: 3.0.0+. For older versions use [https://github.com/tufik2/TweenMaxRN](https://github.com/tufik2/TweenMaxRN)
- This repository enable GSAP to work with ReactNative thanks to Direct Manipulation.
- With this library is possible animate Styles and Transform properties.
- Currently in RN there is not way to recover the current status of a style appied to an element, so is always important specify the initial params with **gsap.set()** before animate its.
- The performance using Direct Manipulation is really good, specially when we compile our app in release version.

# How use
- Install gsap and gsap-rn
	> npm install gsap gsap-rn

```javascript
import {gsap, Back} from 'gsap-rn';

componentDidMount() {  
    gsap.to(this.ref, {duration:1, style:{left:50}, transform:{rotate:90, scale:0.5}, 	ease:Back.easeInOut});  
}

<View ref={ref=> this.ref = ref} style={{width:100, height:100, backgroundColor:"#F00"}}></View>
```
Animating percentages
```javascript
	timeline = gsap.timeline();
	timeline.set(this.bar, {style:{width:"0%"}});
	timeline.to(this.bar, {duration:1, style:{width:"100%"}, ease:Power2.easeInOut});
```

Animating colors
```javascript
	timeline = gsap.timeline();
	timeline.set(this.box, {style:{backgroundColor:"#F00"}});
	timeline.to(this.box, {duration:1, style:{backgroundColor:"#F0F"}, ease:Power2.easeInOut});
```

# AutoKillTween
If the app need unmount a component and It is executing an animation ReactNative will throw an updating in an unmontain component error. To offert a easy solution to It you can use AutoKillTween to force stop all animation before unmount.

```javascript
// This method receive a tween, array of tweens, object with tweens, Class reference that contain all tweens references   
AutoKillTween.tweensOf(tween)

// If you don't want to worry about kill tween by tween, You can define AutoKillTween also like component and It will stop all animation automatically before unmount the component.
<View>
	<AutoKillTween tweens={this} />  
</View>
```

Here there is a code of an animation using AutoKillTween

```javascript
import React, {Component} from 'react';
import {View, Text, TouchableOpacity, StyleSheet} from 'react-native';
import {gsap, Power2, Elastic, AutoKillTweens} from 'gsap-rn';

export default class Main extends Component {
    boxes = [];

onPress(){
	// Using AutoKillTweens.tweensOf method to kill a specific tween
	AutoKillTweens.tweensOf(this.tl);
	// We mantain the reference of the tween directly in the Class
        this.tl = gsap.timeline();
        this.tl.to(this.boxes, {duration:1, transform:{y:-100, scale:0.8}, ease:Power2.easeInOut, stagger: {amount: 0.3}});
        this.tl.to(this.boxes, {duration:0.3, transform:{y:0, scale:1 }, ease:Elastic.easeOut, stagger: {amount: 0.3}});
    }

render() {
        return (
		<View style={{flex:1, justifyContent:"center", alignItems:"center"}}>
			/* We pass the Class reference to AutoKillTween Componet. 
				If this component will unmount, AutoKillTween will end all tween references directy linked to the Class.
			 */
			<AutoKillTweens tweens={this} />
			<View style={{flexDirection:"row"}}>
			    <View ref={ ref=>this.boxes.push(ref) } style={styles.box} />
			    <View ref={ ref=>this.boxes.push(ref) } style={styles.box} />
			    <View ref={ ref=>this.boxes.push(ref) } style={styles.box} />
			</View>
			<TouchableOpacity onPress={this.onPress.bind(this)}>
			    <Text ref={ref=>this.text = ref} style={[styles.button, {marginTop: 30}]} >Touch Me</Text>
			</TouchableOpacity>
		    </View>
        );
    }
}

const styles = StyleSheet.create({
    box:{width:75, height:75, backgroundColor: "#f0ad4e", marginHorizontal:5},
    button:{fontSize:20, backgroundColor: "#337ab7", paddingVertical:10, paddingHorizontal:20, color:"#FFF", borderRadius:5}
})
```
![animation](http://int-server-one.info/cloudbit/gsap-rn/gsap-rn-animation1.gif)

# DEMOS
[DOWNLOAD APK](http://int-server-one.info/cloudbit/gsap-rn/gsap-rn.apk)

![animation](http://int-server-one.info/cloudbit/gsap-rn/gsap-rn-animation2.gif)

![animation](http://int-server-one.info/cloudbit/gsap-rn/tweenmaxRN.gif)

GSAP-RN

GSAP-RN Latest Version Download

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