78 lines
2.9 KiB
C
78 lines
2.9 KiB
C
|
/*
|
||
|
|
* 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
|