-
Notifications
You must be signed in to change notification settings - Fork 1
/
text
231 lines (213 loc) · 9.55 KB
/
text
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
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
function loco() {
gsap.registerPlugin(ScrollTrigger);
// Using Locomotive Scroll from Locomotive https://github.com/locomotivemtl/locomotive-scroll
const locoScroll = new LocomotiveScroll({
el: document.querySelector("#main"),
smooth: true
});
// each time Locomotive Scroll updates, tell ScrollTrigger to update too (sync positioning)
locoScroll.on("scroll", ScrollTrigger.update);
// tell ScrollTrigger to use these proxy methods for the "#main" element since Locomotive Scroll is hijacking things
ScrollTrigger.scrollerProxy("#main", {
scrollTop(value) {
return arguments.length ? locoScroll.scrollTo(value, 0, 0) : locoScroll.scroll.instance.scroll.y;
}, // we don't have to define a scrollLeft because we're only scrolling vertically.
getBoundingClientRect() {
return { top: 0, left: 0, width: window.innerWidth, height: window.innerHeight };
},
// LocomotiveScroll handles things completely differently on mobile devices - it doesn't even transform the container at all! So to get the correct behavior and avoid jitters, we should pin things with position: fixed on mobile. We sense it by checking to see if there's a transform applied to the container (the LocomotiveScroll-controlled element).
pinType: document.querySelector("#main").style.transform ? "transform" : "fixed"
});
// each time the window updates, we should refresh ScrollTrigger and then update LocomotiveScroll.
ScrollTrigger.addEventListener("refresh", () => locoScroll.update());
// after everything is set up, refresh() ScrollTrigger and update LocomotiveScroll because padding may have been added for pinning, etc.
ScrollTrigger.refresh();
}
loco();
const canvas = document.querySelector("canvas");
const context = canvas.getContext("2d");
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
window.addEventListener("resize", function () {
canvas.width = window.innerWidth;
canvas.height = window.innerHeight;
render();
});
function files(index) {
var data = `
https://zelt.app/assets/img/home/hero/sequence/1.webp
https://zelt.app/assets/img/home/hero/sequence/2.webp
https://zelt.app/assets/img/home/hero/sequence/3.webp
https://zelt.app/assets/img/home/hero/sequence/4.webp
https://zelt.app/assets/img/home/hero/sequence/5.webp
https://zelt.app/assets/img/home/hero/sequence/6.webp
https://zelt.app/assets/img/home/hero/sequence/7.webp
https://zelt.app/assets/img/home/hero/sequence/8.webp
https://zelt.app/assets/img/home/hero/sequence/9.webp
https://zelt.app/assets/img/home/hero/sequence/10.webp
https://zelt.app/assets/img/home/hero/sequence/11.webp
https://zelt.app/assets/img/home/hero/sequence/12.webp
https://zelt.app/assets/img/home/hero/sequence/13.webp
https://zelt.app/assets/img/home/hero/sequence/14.webp
https://zelt.app/assets/img/home/hero/sequence/15.webp
https://zelt.app/assets/img/home/hero/sequence/16.webp
https://zelt.app/assets/img/home/hero/sequence/17.webp
https://zelt.app/assets/img/home/hero/sequence/18.webp
https://zelt.app/assets/img/home/hero/sequence/19.webp
https://zelt.app/assets/img/home/hero/sequence/20.webp
https://zelt.app/assets/img/home/hero/sequence/21.webp
https://zelt.app/assets/img/home/hero/sequence/22.webp
https://zelt.app/assets/img/home/hero/sequence/23.webp
https://zelt.app/assets/img/home/hero/sequence/24.webp
https://zelt.app/assets/img/home/hero/sequence/25.webp
https://zelt.app/assets/img/home/hero/sequence/26.webp
https://zelt.app/assets/img/home/hero/sequence/27.webp
https://zelt.app/assets/img/home/hero/sequence/28.webp
https://zelt.app/assets/img/home/hero/sequence/29.webp
https://zelt.app/assets/img/home/hero/sequence/30.webp
https://zelt.app/assets/img/home/hero/sequence/31.webp
https://zelt.app/assets/img/home/hero/sequence/32.webp
https://zelt.app/assets/img/home/hero/sequence/33.webp
https://zelt.app/assets/img/home/hero/sequence/34.webp
https://zelt.app/assets/img/home/hero/sequence/35.webp
https://zelt.app/assets/img/home/hero/sequence/36.webp
https://zelt.app/assets/img/home/hero/sequence/37.webp
https://zelt.app/assets/img/home/hero/sequence/38.webp
https://zelt.app/assets/img/home/hero/sequence/39.webp
https://zelt.app/assets/img/home/hero/sequence/40.webp
https://zelt.app/assets/img/home/hero/sequence/41.webp
https://zelt.app/assets/img/home/hero/sequence/42.webp
https://zelt.app/assets/img/home/hero/sequence/43.webp
https://zelt.app/assets/img/home/hero/sequence/44.webp
https://zelt.app/assets/img/home/hero/sequence/45.webp
https://zelt.app/assets/img/home/hero/sequence/46.webp
https://zelt.app/assets/img/home/hero/sequence/47.webp
https://zelt.app/assets/img/home/hero/sequence/48.webp
https://zelt.app/assets/img/home/hero/sequence/49.webp
https://zelt.app/assets/img/home/hero/sequence/50.webp
https://zelt.app/assets/img/home/hero/sequence/51.webp
https://zelt.app/assets/img/home/hero/sequence/52.webp
https://zelt.app/assets/img/home/hero/sequence/53.webp
https://zelt.app/assets/img/home/hero/sequence/54.webp
https://zelt.app/assets/img/home/hero/sequence/55.webp
https://zelt.app/assets/img/home/hero/sequence/56.webp
https://zelt.app/assets/img/home/hero/sequence/57.webp
https://zelt.app/assets/img/home/hero/sequence/58.webp
https://zelt.app/assets/img/home/hero/sequence/59.webp
https://zelt.app/assets/img/home/hero/sequence/60.webp
https://zelt.app/assets/img/home/hero/sequence/61.webp
https://zelt.app/assets/img/home/hero/sequence/62.webp
https://zelt.app/assets/img/home/hero/sequence/63.webp
https://zelt.app/assets/img/home/hero/sequence/64.webp
https://zelt.app/assets/img/home/hero/sequence/65.webp
https://zelt.app/assets/img/home/hero/sequence/66.webp
https://zelt.app/assets/img/home/hero/sequence/67.webp
https://zelt.app/assets/img/home/hero/sequence/68.webp
https://zelt.app/assets/img/home/hero/sequence/69.webp
https://zelt.app/assets/img/home/hero/sequence/70.webp
https://zelt.app/assets/img/home/hero/sequence/71.webp
https://zelt.app/assets/img/home/hero/sequence/72.webp
https://zelt.app/assets/img/home/hero/sequence/73.webp
https://zelt.app/assets/img/home/hero/sequence/74.webp
https://zelt.app/assets/img/home/hero/sequence/75.webp
https://zelt.app/assets/img/home/hero/sequence/76.webp
https://zelt.app/assets/img/home/hero/sequence/77.webp
https://zelt.app/assets/img/home/hero/sequence/78.webp
https://zelt.app/assets/img/home/hero/sequence/79.webp
https://zelt.app/assets/img/home/hero/sequence/80.webp
https://zelt.app/assets/img/home/hero/sequence/81.webp
https://zelt.app/assets/img/home/hero/sequence/82.webp
https://zelt.app/assets/img/home/hero/sequence/83.webp
https://zelt.app/assets/img/home/hero/sequence/84.webp
https://zelt.app/assets/img/home/hero/sequence/85.webp
https://zelt.app/assets/img/home/hero/sequence/86.webp
https://zelt.app/assets/img/home/hero/sequence/87.webp
https://zelt.app/assets/img/home/hero/sequence/88.webp
https://zelt.app/assets/img/home/hero/sequence/89.webp
https://zelt.app/assets/img/home/hero/sequence/90.webp
https://zelt.app/assets/img/home/hero/sequence/91.webp
https://zelt.app/assets/img/home/hero/sequence/92.webp
https://zelt.app/assets/img/home/hero/sequence/93.webp
https://zelt.app/assets/img/home/hero/sequence/94.webp
https://zelt.app/assets/img/home/hero/sequence/95.webp
https://zelt.app/assets/img/home/hero/sequence/96.webp
https://zelt.app/assets/img/home/hero/sequence/97.webp
https://zelt.app/assets/img/home/hero/sequence/98.webp
https://zelt.app/assets/img/home/hero/sequence/99.webp
https://zelt.app/assets/img/home/hero/sequence/100.webp
https://zelt.app/assets/img/home/hero/sequence/101.webp
https://zelt.app/assets/img/home/hero/sequence/102.webp
https://zelt.app/assets/img/home/hero/sequence/103.webp
https://zelt.app/assets/img/home/hero/sequence/104.webp
https://zelt.app/assets/img/home/hero/sequence/105.webp
https://zelt.app/assets/img/home/hero/sequence/106.webp
https://zelt.app/assets/img/home/hero/sequence/107.webp
https://zelt.app/assets/img/home/hero/sequence/108.webp
https://zelt.app/assets/img/home/hero/sequence/109.webp
https://zelt.app/assets/img/home/hero/sequence/110.webp
https://zelt.app/assets/img/home/hero/sequence/111.webp
https://zelt.app/assets/img/home/hero/sequence/112.webp
https://zelt.app/assets/img/home/hero/sequence/113.webp
https://zelt.app/assets/img/home/hero/sequence/114.webp
https://zelt.app/assets/img/home/hero/sequence/115.webp
https://zelt.app/assets/img/home/hero/sequence/116.webp
https://zelt.app/assets/img/home/hero/sequence/117.webp
https://zelt.app/assets/img/home/hero/sequence/118.webp
`;
return data.split("\n")[index];
}
const frameCount = 118;
const images = [];
const imageSeq = {
frame: 1,
};
for (let i = 0; i < frameCount; i++) {
const img = new Image();
img.src = files(i);
images.push(img);
}
gsap.to(imageSeq, {
frame: frameCount - 1,
snap: "frame",
ease: `none`,
scrollTrigger: {
scrub: 0.15,
trigger: `.pg1>canvas`,
start: `top top`,
end: `100% top`,
scroller: `#main`,
},
onUpdate: render,
});
images[1].onload = render;
function render() {
scaleImage(images[imageSeq.frame], context);
}
function scaleImage(img, ctx) {
var canvas = ctx.canvas;
var hRatio = canvas.width / img.width;
var vRatio = canvas.height / img.height;
var ratio = Math.max(hRatio, vRatio);
var centerShift_x = (canvas.width - img.width * ratio) / 2;
var centerShift_y = (canvas.height - img.height * ratio) / 2;
ctx.clearRect(0, 0, canvas.width, canvas.height);
ctx.drawImage(
img,
0,
0,
img.width,
img.height,
centerShift_x,
centerShift_y,
img.width * ratio,
img.height * ratio
);
}
ScrollTrigger.create({
trigger: ".pg1>canvas",
pin: true,
// markers:true,
scroller: `#main`,
start: `top top`,
end: `100% top`,
});