ESP32-HUB75-MatrixPanel-DMA/examples/ChainedPanelsAuroraDemo/PatternPulse.h

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/*
* Aurora: https://github.com/pixelmatix/aurora
* Copyright (c) 2014 Jason Coon
*
* Based at least in part on someone else's work that I can no longer find.
* Please let me know if you recognize any of this code!
*
* 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 PatternPulse_H
#define PatternPulse_H
class PatternPulse : public Drawable {
private:
int hue;
int centerX = 0;
int centerY = 0;
int step = -1;
int maxSteps = 16;
float fadeRate = 0.8;
int diff;
public:
PatternPulse() {
name = (char *)"Pulse";
}
unsigned int drawFrame() {
effects.DimAll(235);
if (step == -1) {
centerX = random(32);
centerY = random(32);
hue = random(256); // 170;
step = 0;
}
if (step == 0) {
matrix.drawCircle(centerX, centerY, step, effects.ColorFromCurrentPalette(hue));
step++;
}
else {
if (step < maxSteps) {
// initial pulse
matrix.drawCircle(centerX, centerY, step, effects.ColorFromCurrentPalette(hue, pow(fadeRate, step - 2) * 255));
// secondary pulse
if (step > 3) {
matrix.drawCircle(centerX, centerY, step - 3, effects.ColorFromCurrentPalette(hue, pow(fadeRate, step - 2) * 255));
}
step++;
}
else {
step = -1;
}
}
effects.standardNoiseSmearing();
effects.ShowFrame();
return 30;
}
};
#endif