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Landing Page Title Slider first pass #1

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f4d1c50
Landing Page Title Slider first pass
hcsong213 Aug 29, 2021
f8c360c
Change transition speed and direction
hcsong213 Aug 29, 2021
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60 changes: 30 additions & 30 deletions src/components/PageAssets.js
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Original file line number Diff line number Diff line change
@@ -1,14 +1,14 @@
import styled from "@emotion/styled"
import { Link } from "gatsby"
import React, { useState } from "react"
import Sparkles from "./Sparkle"
import Fade from "react-reveal/fade"
import styled from "@emotion/styled";
import { Link } from "gatsby";
import React, { useState } from "react";
import Sparkles from "./Sparkle";
import Fade from "react-reveal/fade";

const fonts = {
main: "Prompt",
}
};

const mobile = `@media (max-width: 800px)`
export const mobile = `@media (max-width: 800px)`;

export const NovaH1 = styled.div`
font-family: ${fonts.main};
Expand All @@ -24,7 +24,7 @@ export const NovaH1 = styled.div`
${mobile} {
font-size: 32px;
}
`
`;
export const NovaH2 = styled.div`
font-family: ${fonts.main};
font-style: normal;
Expand All @@ -40,7 +40,7 @@ export const NovaH2 = styled.div`
${mobile} {
font-size: 24px;
}
`
`;

export const NovaH4 = styled.div`
font-family: ${fonts.main};
Expand All @@ -57,7 +57,7 @@ export const NovaH4 = styled.div`
${mobile} {
font-size: 18px;
}
`
`;

export const NovaDiv = styled.div`
font-family: Rubik;
Expand All @@ -68,15 +68,15 @@ export const NovaDiv = styled.div`
${mobile} {
font-size: ${({ fontSize }) => `${(2 / 3) * fontSize || 12}px`};
}
`
`;

export const NovaSpacer = styled.div`
width: 100%;
height: ${({ y }) => `${y}`}px;
${mobile} {
height: ${({ mobileY, y }) => `${mobileY || (2 / 3) * y}`}px;
}
`
`;

export const MainBox = styled.div`
margin-top: 100px;
Expand All @@ -88,7 +88,7 @@ export const MainBox = styled.div`
width: 95%;
min-width: 0;
}
`
`;

export const NovaP = styled.p`
-webkit-font-smoothing: antialiased;
Expand All @@ -106,7 +106,7 @@ export const NovaP = styled.p`
${mobile} {
font-size: 16px;
}
`
`;

export const Button = styled(Link)`
color: ${({ textColor }) => `${textColor || "#FFFFFF"}`};
Expand All @@ -132,10 +132,10 @@ export const Button = styled(Link)`
padding: 12px 15px;
margin: 5px;
}
`
`;

export function SparklyButton(props) {
const [hover, setHover] = useState(false)
const [hover, setHover] = useState(false);
return (
<Sparkles hide={!hover}>
<Button
Expand All @@ -147,7 +147,7 @@ export function SparklyButton(props) {
{props.children}
</Button>
</Sparkles>
)
);
}

const SectionBoxStyled = styled.div`
Expand All @@ -159,15 +159,15 @@ const SectionBoxStyled = styled.div`
width: 95%;
min-width: 0;
}
`
`;

export const SectionBox = ({ children }) => {
return (
<Fade>
<SectionBoxStyled>{children}</SectionBoxStyled>
</Fade>
)
}
);
};

export const SectionHeading = styled(NovaH2)`
font-family: ${fonts.main};
Expand All @@ -181,7 +181,7 @@ export const SectionHeading = styled(NovaH2)`
margin: 0;
/* identical to box height, or 65px */
letter-spacing: 0.05em;
`
`;

export const SectionSubHeading = styled.h2`
font-family: ${fonts.main};
Expand All @@ -196,7 +196,7 @@ export const SectionSubHeading = styled.h2`
${mobile} {
font-size: 20px;
}
`
`;

export const NovaLink = styled(Link)`
color: #ffffff;
Expand All @@ -206,7 +206,7 @@ export const NovaLink = styled(Link)`
&:hover {
color: #ffc650;
}
`
`;

export const NovaA = styled.a`
color: #ffffff;
Expand All @@ -217,7 +217,7 @@ export const NovaA = styled.a`
&:hover {
color: #ffc650;
}
`
`;

export const Img = styled.img`
width: 100%;
Expand All @@ -228,7 +228,7 @@ export const Img = styled.img`
${mobile} {
margin: 32px 0;
}
`
`;

export const Span = styled.span`
font-family: Rubik;
Expand All @@ -238,7 +238,7 @@ export const Span = styled.span`
line-height: 160%;
/* or 22px */
color: #d7a3e1;
`
`;

export const ListItem = styled.li`
list-style-type: none;
Expand All @@ -248,7 +248,7 @@ export const ListItem = styled.li`
&::before {
content: "•\xa0\xa0";
}
`
`;

const ArrowStyled = styled.b`
color: #ffc650;
Expand All @@ -258,7 +258,7 @@ const ArrowStyled = styled.b`
${mobile} {
font-size: 14px;
}
`
`;
export const Arrow = () => {
return <ArrowStyled>&#8594;&ensp;</ArrowStyled>
}
return <ArrowStyled>&#8594;&ensp;</ArrowStyled>;
};
89 changes: 89 additions & 0 deletions src/components/TextVSlider.js
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Original file line number Diff line number Diff line change
@@ -0,0 +1,89 @@
import React from "react";
import styled from "@emotion/styled";
import { keyframes } from "@emotion/core";
import { mobile, NovaH1 } from "./PageAssets";
import Sparkles from "./Sparkle";

// First pass: keyframes for the text slider will be fixed, so if user
// were to add more elements, they would need to change the keyframes
// accordingly.
// Huge credits to W.S. Toh
// https://code-boxx.com/responsive-pure-css-text-slider/#sec-v

const DimensionedDiv = styled.div`
box-sizing: border-box;
width: 100%;
height: 66px;

${mobile} {
height: 49px;
}
`;

// Vertical slider (move up)
// Keeping just in case we want to revert.
// const SlideV = keyframes`
// 0% { bottom: 0; }
// 16% { bottom: 0; }
// 20% { bottom: 100%; }
// 36% { bottom: 100%; }
// 40% { bottom: 200%; }
// 56% { bottom: 200%; }
// 60% { bottom: 300%; }
// 76% { bottom: 300%; }
// 80% { bottom: 400%; }
// 100% { bottom: 400%; }
// `;

// Vertical slider (move down)
const SlideV = keyframes`
0% { bottom: 400%; }
16% { bottom: 400%; }
20% { bottom: 300%; }
36% { bottom: 300%; }
40% { bottom: 200%; }
56% { bottom: 200%; }
60% { bottom: 100%; }
76% { bottom: 100%; }
80% { bottom: 0%; }
100% { bottom: 0%; }
`;

// TODO: "for Good" horizontal re-centering

const VWrap = styled(DimensionedDiv)`
overflow: hidden;
`;

const VMove = styled.div`
position: relative;
bottom: 0%;
animation: ${SlideV} 12s forwards;
`;

// VSlide is left as a somewhat redundant component for better semantics
// and easier styling in the future.
const VSlide = styled(DimensionedDiv)``;

const verbs = ["Build", "Code", "Design", "Innovate", "Nova"];

const TextVSlider = (params) => {
return (
<VWrap>
<VMove>
{verbs.map((verb, i, a) => {
return (
// <VSlide as={NovaH1} center>
// <NovaH1 as center>{verb} for Good</NovaH1>
// </VSlide>
<VSlide as={NovaH1} center>
{a[a.length - i - 1]} for Good
</VSlide>
);
})}
</VMove>
</VWrap>
);
};

export default TextVSlider;
5 changes: 3 additions & 2 deletions src/pages/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -29,6 +29,7 @@ import {
NovaA,
} from "../components/PageAssets";
import styled from "@emotion/styled";
import TextVSlider from "../components/TextVSlider";

const mobile = `@media (max-width: 800px)`;
const notMobile = `@media (min-width: 801px)`;
Expand Down Expand Up @@ -140,8 +141,8 @@ export default function Home({ data }) {
<MobileView>
<NovaSpacer y={48} />
</MobileView>
<NovaH1 center>Nova, Tech for Good.</NovaH1>
<NovaSpacer y={36} />
<TextVSlider />
<NovaSpacer y={34} />
<Description center>
We are a team of students at UCLA who aim to create high-impact
technology that empowers nonprofits to better serve their
Expand Down