-
Notifications
You must be signed in to change notification settings - Fork 0
/
dither.ts
207 lines (202 loc) · 8.63 KB
/
dither.ts
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
namespace shadowcasting {
let ditherFrames: Image[];
let currentColor: number;
function init(color: number) {
if (!ditherFrames || currentColor !== color) {
ditherFrames = [img`
f f f f f f f f f f f f f f f f
f f f f f f f f f f f f f f f f
f f f f f f f f f f f f f f f f
f f f f f f f f f f f f f f f f
f f f f f f f f f f f f f f f f
f f f f f f f f f f f f f f f f
f f f f f f . f f f f f f f . f
f f f f f f f f f f f f f f f f
f f f f f f f f f f f f f f f f
f f f f f f f f f f f f f f f f
f f f f f f f f f f f f f f f f
f f f f f f f f f f f f f f f f
f f f f f f f f f f f f f f f f
f f f f f f f f f f f f f f f f
f f f f f f . f f f f f f f . f
f f f f f f f f f f f f f f f f
`, img`
f f f f f f f f f f f f f f f f
f f f f f f f f f f f f f f f f
f f . f f f f f f f . f f f f f
f f f f f f f f f f f f f f f f
f f f f f f f f f f f f f f f f
f f f f f f f f f f f f f f f f
f f f f f f . f f f f f f f . f
f f f f f f f f f f f f f f f f
f f f f f f f f f f f f f f f f
f f f f f f f f f f f f f f f f
f f . f f f f f f f . f f f f f
f f f f f f f f f f f f f f f f
f f f f f f f f f f f f f f f f
f f f f f f f f f f f f f f f f
f f f f f f . f f f f f f f . f
f f f f f f f f f f f f f f f f
`, img`
f f f f f f f f f f f f f f f f
f f f f f f f f f f f f f f f f
f f . f f f . f f f . f f f . f
f f f f f f f f f f f f f f f f
f f f f f f f f f f f f f f f f
f f f f f f f f f f f f f f f f
f f . f f f . f f f . f f f . f
f f f f f f f f f f f f f f f f
f f f f f f f f f f f f f f f f
f f f f f f f f f f f f f f f f
f f . f f f . f f f . f f f . f
f f f f f f f f f f f f f f f f
f f f f f f f f f f f f f f f f
f f f f f f f f f f f f f f f f
f f . f f f . f f f . f f f . f
f f f f f f f f f f f f f f f f
`, img`
. f f f . f f f . f f f . f f f
f f f f f f f f f f f f f f f f
f f . f f f . f f f . f f f . f
f f f f f f f f f f f f f f f f
. f f f . f f f . f f f . f f f
f f f f f f f f f f f f f f f f
f f . f f f . f f f . f f f . f
f f f f f f f f f f f f f f f f
. f f f . f f f . f f f . f f f
f f f f f f f f f f f f f f f f
f f . f f f . f f f . f f f . f
f f f f f f f f f f f f f f f f
. f f f . f f f . f f f . f f f
f f f f f f f f f f f f f f f f
f f . f f f . f f f . f f f . f
f f f f f f f f f f f f f f f f
`, img`
. f f f . f . f . f f f . f . f
f f f f f f f f f f f f f f f f
f f . f f f . f f f . f f f . f
f f f f f f f f f f f f f f f f
. f . f . f f f . f . f . f f f
f f f f f f f f f f f f f f f f
f f . f f f . f f f . f f f . f
f f f f f f f f f f f f f f f f
. f f f . f . f . f f f . f . f
f f f f f f f f f f f f f f f f
f f . f f f . f f f . f f f . f
f f f f f f f f f f f f f f f f
. f . f . f f f . f . f . f f f
f f f f f f f f f f f f f f f f
f f . f f f . f f f . f f f . f
f f f f f f f f f f f f f f f f
`, img`
. f . f . f . f . f . f . f . f
f f f f f f f f f f f f f f f f
. f . f . f . f . f . f . f . f
f f f f f f f f f f f f f f f f
. f . f . f . f . f . f . f . f
f f f f f f f f f f f f f f f f
. f . f . f . f . f . f . f . f
f f f f f f f f f f f f f f f f
. f . f . f . f . f . f . f . f
f f f f f f f f f f f f f f f f
. f . f . f . f . f . f . f . f
f f f f f f f f f f f f f f f f
. f . f . f . f . f . f . f . f
f f f f f f f f f f f f f f f f
. f . f . f . f . f . f . f . f
f f f f f f f f f f f f f f f f
`, img`
. f . f . f . f . f . f . f . f
f . f f f . f f f . f f f . f f
. f . f . f . f . f . f . f . f
f f f f f f f f f f f f f f f f
. f . f . f . f . f . f . f . f
f . f f f . f f f . f f f . f f
. f . f . f . f . f . f . f . f
f f f f f f f f f f f f f f f f
. f . f . f . f . f . f . f . f
f . f f f . f f f . f f f . f f
. f . f . f . f . f . f . f . f
f f f f f f f f f f f f f f f f
. f . f . f . f . f . f . f . f
f . f f f . f f f . f f f . f f
. f . f . f . f . f . f . f . f
f f f f f f f f f f f f f f f f
`, img`
. f . f . f . f . f . f . f . f
f . f f f . f f f . f f f . f f
. f . f . f . f . f . f . f . f
f f f . f f f . f f f . f f f .
. f . f . f . f . f . f . f . f
f . f f f . f f f . f f f . f f
. f . f . f . f . f . f . f . f
f f f . f f f . f f f . f f f .
. f . f . f . f . f . f . f . f
f . f f f . f f f . f f f . f f
. f . f . f . f . f . f . f . f
f f f . f f f . f f f . f f f .
. f . f . f . f . f . f . f . f
f . f f f . f f f . f f f . f f
. f . f . f . f . f . f . f . f
f f f . f f f . f f f . f f f .
`, img`
. f . f . f . f . f . f . f . f
f . f . f . f . f . f . f . f .
. f . f . f . f . f . f . f . f
f f f . f f f . f f f . f f f .
. f . f . f . f . f . f . f . f
f . f . f . f . f . f . f . f .
. f . f . f . f . f . f . f . f
f f f . f f f . f f f . f f f .
. f . f . f . f . f . f . f . f
f . f . f . f . f . f . f . f .
. f . f . f . f . f . f . f . f
f f f . f f f . f f f . f f f .
. f . f . f . f . f . f . f . f
f . f . f . f . f . f . f . f .
. f . f . f . f . f . f . f . f
f f f . f f f . f f f . f f f .
`, img`
. f . f . f . f . f . f . f . f
f . f . f . f . f . f . f . f .
. f . f . f . f . f . f . f . f
f . f . f . f . f . f . f . f .
. f . f . f . f . f . f . f . f
f . f . f . f . f . f . f . f .
. f . f . f . f . f . f . f . f
f . f . f . f . f . f . f . f .
. f . f . f . f . f . f . f . f
f . f . f . f . f . f . f . f .
. f . f . f . f . f . f . f . f
f . f . f . f . f . f . f . f .
. f . f . f . f . f . f . f . f
f . f . f . f . f . f . f . f .
. f . f . f . f . f . f . f . f
f . f . f . f . f . f . f . f .
`]
const numFrames = ditherFrames.length;
for (let i = 0; i < numFrames; i++) {
const frame = ditherFrames[numFrames - 1 - i].clone();
frame.replace(0, 1);
frame.replace(15, 0);
frame.replace(1, 15)
ditherFrames.push(frame)
}
for (const frame of ditherFrames) {
frame.replace(15, color);
}
}
}
export function ditherRect(x: number, y: number, width: number, height: number, depth: number, color: number) {
init(color);
const frame = ditherFrames[ditherFrames.length - 1 - depth];
if (!frame) {
screen.fillRect(x, y, width, height, color);
}
else {
screen.blit(
x, y, width, height, frame, 0, 0, width, height, true, false
)
}
}
}