Commit | Line | Data |
---|---|---|
98344134 JC |
1 | const sleep = (ms) => new Promise(resolve => setTimeout(resolve, ms)); |
2 | ||
01952c94 JC |
3 | /** |
4 | * Safari iOS pls | |
5 | */ | |
6 | const formSubmitPolyfill = (form, callback) => { | |
7 | if (form.requestSubmit) { | |
8 | form.requestSubmit(); | |
9 | } else { | |
10 | callback(); | |
11 | } | |
12 | } | |
13 | ||
98344134 JC |
14 | const createGenreListWithClickEvent = (genreList, genres, callback) => { |
15 | genreList.append(...genres.map((genre) => { | |
16 | const name = genre["name"]; | |
74f7e922 JC |
17 | const option = document.createElement("option"); |
18 | option.setAttribute("data-name", name); | |
19 | option.addEventListener("click", callback); | |
20 | option.appendChild(document.createTextNode(name)); | |
21 | return option; | |
98344134 JC |
22 | })); |
23 | } | |
24 | ||
25 | const relativeToCtx = (x1, x2, y1, y2, ctx) => { | |
26 | const newX = x1 + x2; | |
27 | const newY = y1 + y2; | |
28 | ctx.lineTo(newX, newY); | |
29 | return [newX, newY]; | |
30 | } | |
31 | ||
1ffe1db0 JC |
32 | /** |
33 | * Return (x,y) of canvas | |
34 | */ | |
35 | const getDimensions = (canvas) => [canvas.width, canvas.height]; | |
36 | ||
37 | /** | |
38 | * Return (x,y) midpoint of canvas | |
39 | */ | |
40 | const getCenter = (canvas) => getDimensions(canvas).map((dim) => dim / 2); | |
41 | ||
dce15b01 JC |
42 | const getRectangleDimensionsUnbound = (canvas, xScale, yScale) => { |
43 | [width, height] = getDimensions(canvas); | |
44 | return [width * xScale, height * yScale]; | |
45 | } | |
46 | ||
47 | const getRectangleDimensions = (canvas) => getRectangleDimensionsUnbound(canvas, .5, .1); | |
48 | ||
1ffe1db0 JC |
49 | /** |
50 | * Draw champion box and clear background. | |
51 | */ | |
52 | const drawWinner = (canvas) => { | |
98344134 | 53 | const ctx = canvas.getContext("2d"); |
1ffe1db0 JC |
54 | const [width, height] = getDimensions(canvas); |
55 | const [mid_x, mid_y] = getCenter(canvas); | |
dce15b01 | 56 | const [rect_width, rect_height] = getRectangleDimensions(canvas); |
98344134 JC |
57 | ctx.strokeRect(mid_x - rect_width / 2, mid_y - rect_height / 2, rect_width, rect_height); |
58 | ctx.clearRect(mid_x - rect_width / 2, mid_y - rect_height / 2, rect_width, rect_height); | |
1ffe1db0 JC |
59 | } |
60 | ||
61 | /** | |
62 | * Draws a path in context from the current location to a point xDist * left, yDist * up away from it. | |
63 | * @param ctx RenderingContext | |
64 | * @param x, y float current location | |
65 | * @param x, y float distance away | |
66 | * @param up, left (-1|1) directions | |
67 | * @return [newNodeX, newNodeY] | |
68 | */ | |
69 | const drawBranchFrom = (ctx, x, y, xDist, yDist, left, up) => { | |
70 | const newX = x + (xDist * left) | |
71 | const newY = y + (yDist * up) | |
72 | ctx.lineTo(x, newY); | |
73 | ctx.lineTo(newX, newY); | |
692ff642 | 74 | ctx.stroke(); |
1ffe1db0 JC |
75 | return [newX, newY]; |
76 | } | |
77 | ||
692ff642 | 78 | const drawArtistOnCtx = (ctx, artistName, x, y) => { |
59a851b3 | 79 | ctx.font = "20px sans serif"; |
692ff642 JC |
80 | ctx.strokeText(artistName, x, y); |
81 | } | |
1ffe1db0 JC |
82 | |
83 | /** | |
84 | * Draws paths to the terminal nodes of a round | |
85 | * @param x, y the point representation of the start of the branch | |
692ff642 | 86 | * @param baseCallback a callback that needs the terminal x,y context |
1ffe1db0 | 87 | */ |
692ff642 JC |
88 | const drawMatchup = (canvas, x, y, iter, maxIter, left, artists, baseCallback) => { |
89 | if (iter === maxIter) { | |
90 | return baseCallback(x, y); | |
91 | } | |
1ffe1db0 | 92 | const ctx = canvas.getContext("2d"); |
0230aa11 | 93 | ctx.direction = left === -1 ? "ltr" : "rtl"; |
1ffe1db0 JC |
94 | const [width, height] = getDimensions(canvas); |
95 | ||
692ff642 JC |
96 | const drawBranchUp = (xDist, yDist) => drawBranchFrom(ctx, x, y, xDist, yDist, left, -1); |
97 | const drawBranchDown = (xDist, yDist) => drawBranchFrom(ctx, x, y, xDist, yDist, left, 1); | |
1ffe1db0 | 98 | const drawArtist = (artistName, x, y) => drawArtistOnCtx(ctx, artistName, x, y); |
692ff642 JC |
99 | const drawArtist1 = (x, y) => drawArtist(artists.shift()["name"], x, y); |
100 | const drawArtist2 = (x, y) => drawArtist(artists.pop()["name"], x, y); | |
98344134 | 101 | |
98344134 | 102 | ctx.beginPath(); |
1ffe1db0 | 103 | ctx.moveTo(x, y); |
692ff642 JC |
104 | const branchDistances = [width / (5 * (iter + 1)), height / (9 * (iter + 1))]; |
105 | drawMatchup( | |
106 | canvas, | |
107 | ...drawBranchUp(...branchDistances), | |
108 | iter + 1, | |
109 | maxIter, | |
110 | left, | |
111 | artists, | |
112 | drawArtist1, | |
1ffe1db0 | 113 | ); |
692ff642 | 114 | |
1ffe1db0 | 115 | ctx.moveTo(x, y); |
692ff642 JC |
116 | drawMatchup( |
117 | canvas, | |
118 | ...drawBranchDown(...branchDistances), | |
119 | iter + 1, | |
120 | maxIter, | |
121 | left, | |
122 | artists, | |
123 | drawArtist2, | |
1ffe1db0 | 124 | ); |
98344134 JC |
125 | } |
126 | ||
a6490680 JC |
127 | const drawBracket = (canvas, artists, genre) => { |
128 | const context = canvas.getContext("2d"); | |
129 | context.clearRect(0, 0, canvas.width, canvas.height); | |
1ffe1db0 JC |
130 | drawWinner(canvas); |
131 | const [mid_x, mid_y] = getCenter(canvas); | |
a6490680 | 132 | context.font = '28px sans serif' |
f512a462 JC |
133 | context.textAlign = "center"; |
134 | context.strokeText(genre.toUpperCase(), mid_x, 40); | |
135 | context.textAlign = "start"; | |
dce15b01 | 136 | const [rect_width, rect_height] = getRectangleDimensions(canvas); |
581e4442 | 137 | const groups = 4; |
e4763c42 JC |
138 | const rounds = Math.max( |
139 | Math.floor(Math.log2(artists.length / groups)), | |
140 | 1 | |
141 | ); | |
581e4442 | 142 | for (let group = 1; group <= groups; group++) { |
692ff642 JC |
143 | drawMatchup( |
144 | canvas, | |
59a851b3 JC |
145 | mid_x + (Math.pow(-1, group) * (rect_width / 6)), |
146 | mid_y + (Math.pow(-1, Math.floor(group / 2)) * (rect_height * 2.5)), | |
692ff642 JC |
147 | 0, |
148 | rounds, | |
149 | Math.pow(-1, group), | |
150 | artists, | |
151 | (x, y) => console.log("hello") | |
152 | ); | |
581e4442 | 153 | } |
1ffe1db0 JC |
154 | } |
155 | ||
98344134 JC |
156 | window.onload = () => { |
157 | const lStorage = window.localStorage; | |
158 | const genreList = document.getElementById("genre-list"); | |
159 | const genreInput = document.getElementById("genre-input"); | |
160 | const genreForm = document.getElementById("genre-form"); | |
161 | const canvas = document.getElementById("bracket"); | |
162 | ||
01952c94 | 163 | const formSubmitAction = () => { |
1520458e | 164 | fetch(encodeURI(`http://api.brackets.jacobcasper.com/artist/genre?genre_name=${genreInput.value}`)) |
01952c94 | 165 | .then((response) => response.json()) |
a6490680 | 166 | .then((data) => drawBracket(canvas, data.slice(0, 33), genreInput.value)); |
01952c94 JC |
167 | } |
168 | ||
74f7e922 JC |
169 | const genreFormSubmitPolyfill = () => formSubmitPolyfill(genreList, formSubmitAction) |
170 | ||
98344134 JC |
171 | const createGenreList = (genreList, genres) => { |
172 | return createGenreListWithClickEvent(genreList, genres, (e) => { | |
173 | genreInput.value = e.target.innerText; | |
74f7e922 | 174 | genreFormSubmitPolyfill() |
98344134 JC |
175 | }) |
176 | } | |
177 | let genres = JSON.parse(lStorage.getItem("genres")) | |
178 | if (genres === null) { | |
1520458e | 179 | fetch("http://api.brackets.jacobcasper.com/genre") |
98344134 JC |
180 | .then((response) => response.text()) |
181 | .then((text) => { | |
182 | window.localStorage.setItem("genres", text); | |
183 | genres = JSON.parse(text); | |
184 | createGenreList(genreList, genres); | |
185 | }); | |
186 | } else { | |
187 | createGenreList(genreList, genres); | |
188 | } | |
189 | ||
190 | genreForm.addEventListener("submit", (e) => { | |
191 | e.preventDefault(); | |
01952c94 | 192 | formSubmitAction() |
98344134 JC |
193 | }); |
194 | ||
74f7e922 JC |
195 | genreInput.addEventListener("change", (e) => { |
196 | genreFormSubmitPolyfill() | |
98344134 JC |
197 | }); |
198 | ||
199 | ||
200 | canvas.width = window.innerWidth; | |
201 | canvas.height = window.innerHeight; | |
a6490680 | 202 | drawBracket(canvas, ['dummy', 'dummy', 'dum' ,'dumhy'], ""); |
98344134 JC |
203 | |
204 | const bgImg = new Image(); | |
205 | bgImg.onload = () => { | |
206 | const ctx = canvas.getContext("2d"); | |
207 | //ctx.mozImageSmoothingEnabled = false; | |
208 | //ctx.webkitImageSmoothingEnabled = false; | |
209 | //ctx.msImageSmoothingEnabled = false; | |
210 | //ctx.imageSmoothingEnabled = false; | |
211 | ctx.drawImage( | |
212 | bgImg, | |
213 | 0, | |
214 | 0, | |
215 | (canvas.width / bgImg.width) * bgImg.width, | |
216 | (canvas.height / bgImg.height) * bgImg.height | |
217 | ); | |
218 | } | |
219 | ||
220 | const upload = document.getElementById("image-upload"); | |
221 | upload.addEventListener("change", (e) => { | |
222 | bgImg.src = URL.createObjectURL(e.target.files[0]); | |
223 | }); | |
224 | } |