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
|
/*
* Aurora: https://github.com/pixelmatix/aurora
* Copyright (c) 2014 Jason Coon
*
* Portions of this code are adapted from SmartMatrixSwirl by Mark Kriegsman: https://gist.github.com/kriegsman/5adca44e14ad025e6d3b
* https://www.youtube.com/watch?v=bsGBT-50cts
* Copyright (c) 2014 Mark Kriegsman
*
* 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 PatternSwirl_H
class PatternSwirl : public Drawable {
private:
const uint8_t borderWidth = 2;
public:
PatternSwirl() {
name = (char *)"Swirl";
}
void start() {
}
unsigned int drawFrame() {
// Apply some blurring to whatever's already on the matrix
// Note that we never actually clear the matrix, we just constantly
// blur it repeatedly. Since the blurring is 'lossy', there's
// an automatic trend toward black -- by design.
uint8_t blurAmount = beatsin8(2, 10, 255);
#if FASTLED_VERSION >= 3001000
blur2d(effects.leds, MATRIX_WIDTH, MATRIX_HEIGHT, blurAmount);
#else
effects.DimAll(blurAmount);
#endif
// Use two out-of-sync sine waves
uint8_t i = beatsin8(27, borderWidth, MATRIX_HEIGHT - borderWidth);
uint8_t j = beatsin8(41, borderWidth, MATRIX_WIDTH - borderWidth);
// Also calculate some reflections
uint8_t ni = (MATRIX_WIDTH - 1) - i;
uint8_t nj = (MATRIX_WIDTH - 1) - j;
// The color of each point shifts over time, each at a different speed.
uint16_t ms = millis();
effects.leds[XY(i, j)] += effects.ColorFromCurrentPalette(ms / 11);
effects.leds[XY(j, i)] += effects.ColorFromCurrentPalette(ms / 13);
effects.leds[XY(ni, nj)] += effects.ColorFromCurrentPalette(ms / 17);
effects.leds[XY(nj, ni)] += effects.ColorFromCurrentPalette(ms / 29);
effects.leds[XY(i, nj)] += effects.ColorFromCurrentPalette(ms / 37);
effects.leds[XY(ni, j)] += effects.ColorFromCurrentPalette(ms / 41);
effects.ShowFrame();
return 0;
}
};
#endif
|
