更新记录

1.0.0（2020-09-04）

添加购物车抛物线运动小球

平台兼容性

H5在线预览：http://gushichang.gitee.io/go-ui/#/pages/components/parabolaBall

props: {
    size: { // 尺寸：单位px
        type: Number,
        default: 20
    },
    color: {
        type: String,
        default: '#f5222d'
    },
    zIndex: {
        type: Number,
        default: 999
    },
    duration: { 
        type: Number,
        default: 500
    }
},

使用示例 (使用了uview 组件)

<template>
    <view>
        <u-cell-group>
            <u-cell-item  v-for="i in 10" :key="i" :arrow="false">
                <view class="u-flex" style="text-align: left;">
                    <image src="../../static/logo.png" mode="aspectFill" style="width: 100rpx;height: 100rpx;border-radius: 8rpx;margin-right: 20rpx;"></image>
                    <view class="u-flex-1">
                        <view class="u-font-30">千山鸟飞绝 - {{ i }}</view>
                        <view class="u-flex u-row-between">
                            <text style="color: #FA3534">￥100.00</text>
                            <button 
                                @click="addCart"
                                type="primary" 
                                shape="circle" 
                                size="mini" 
                                style="margin: 0;">
                                <u-icon name="plus"/>
                            </button>
                        </view>
                    </view> 
                </view>
            </u-cell-item>
        </u-cell-group>
        <view class="cart-box" id="cart">
            <u-icon name="shopping-cart-fill" size="120"></u-icon> 
            <u-badge :count="count"></u-badge>
        </view>
        <ParabalaBall ref="Ball"></ParabalaBall>
    </view>
</template>

<script>
    import ParabalaBall from '@/components/ParabolaBall.vue'
    export default {
        components: { ParabalaBall },
        data() {
            return {
                count: 0,
                endLocation: {}
            };
        },
        onLoad() {
            this.$nextTick(() => {
                uni.createSelectorQuery().select('#cart').boundingClientRect(res => {
                    const { windowTop } = uni.getSystemInfoSync()
                    this.endLocation = {
                        x: res.left + uni.upx2px(120) / 2,
                        // #ifdef H5
                        y: res.top + windowTop,
                        // #endif
                        // #ifndef H5
                        y: res.top,
                        // #endif
                    }
                }).exec()   
            })

        },
        methods: {
            addCart({ detail }) {
                // #ifdef H5
                const { windowTop } = uni.getSystemInfoSync()
                detail.y += windowTop
                // #endif
                this.$refs.Ball.showBall({
                    start: detail,
                    src: ['../../static/logo.png', ''][Math.round(Math.random())],
                    end: this.endLocation
                }).then(() => {
                    this.count++
                    console.log('end')
                })
            }
        }
    }
</script>

<style lang="scss">
    .cart-box{
        position: fixed;
        z-index: 10;
        left: 40rpx;
        bottom: 40rpx;
    }
</style>