-
Notifications
You must be signed in to change notification settings - Fork 7
/
Tree.js
50 lines (44 loc) · 1.18 KB
/
Tree.js
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
import React, { Component } from 'react';
import {
Dimensions,
Image,
StyleSheet,
View
} from 'react-native';
import Flake from './Flake';
// Detect screen size
const { width, height } = Dimensions.get('window');
export default class Tree extends Component {
static defaultProps = {
flakesCount: 50, // total number of flakes on the screen
}
render({ flakesCount } = this.props) {
return <View style={styles.container}>
{/* Christmas Tree background image */}
<Image
style={styles.image}
source={require('./assets/tree.jpg')}
>
{/* Render flakesCount number of flakes */}
{[...Array(flakesCount)].map((_, index) => <Flake
x={Math.random() * width} // x-coordinate
y={Math.random() * height} // y-coordinate
radius={Math.random() * 4 + 1} // radius
density={Math.random() * flakesCount} // density
key={index}
/>)}
</Image>
</View>;
}
}
const styles = StyleSheet.create({
container: {
flex: 1,
},
image: {
flex: 1,
resizeMode: 'cover',
width: width,
position: 'relative',
},
});