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
|
/*
* Aurora: https://github.com/pixelmatix/aurora
* Copyright (c) 2014 Jason Coon
*
* Portions of this code are adapted from LedEffects Plasma by Robert Atkins: https://bitbucket.org/ratkins/ledeffects/src/26ed3c51912af6fac5f1304629c7b4ab7ac8ca4b/Plasma.cpp?at=default
* Copyright (c) 2013 Robert Atkins
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
* this software and associated documentation files (the "Software"), to deal in
* the Software without restriction, including without limitation the rights to
* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
* the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef PatternPlasma_H
#define PatternPlasma_H
class PatternPlasma : public Drawable {
private:
int time = 0;
int cycles = 0;
public:
PatternPlasma() {
name = (char *)"Plasma";
}
unsigned int drawFrame() {
for (int x = 0; x < VPANEL_W; x++) {
for (int y = 0; y < VPANEL_H; y++) {
int16_t v = 0;
uint8_t wibble = sin8(time);
v += sin16(x * wibble * 6 + time);
v += cos16(y * (128 - wibble) * 6 + time);
v += sin16(y * x * cos8(-time) / 8);
effects.setPixelFromPaletteIndex(x, y, (v >> 8) + 127);
}
}
time += 1;
cycles++;
if (cycles >= 2048) {
time = 0;
cycles = 0;
}
effects.ShowFrame();
return 30;
}
};
#endif
|
