83 lines
2.5 KiB
C
83 lines
2.5 KiB
C
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/*
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* Aurora: https://github.com/pixelmatix/aurora
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* Copyright (c) 2014 Jason Coon
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*
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* Based at least in part on someone else's work that I can no longer find.
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* Please let me know if you recognize any of this code!
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef PatternPulse_H
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#define PatternPulse_H
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class PatternPulse : public Drawable {
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private:
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int hue;
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int centerX = 0;
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int centerY = 0;
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int step = -1;
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int maxSteps = 16;
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float fadeRate = 0.8;
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int diff;
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public:
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PatternPulse() {
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name = (char *)"Pulse";
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}
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unsigned int drawFrame() {
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effects.DimAll(235);
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if (step == -1) {
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centerX = random(32);
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centerY = random(32);
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hue = random(256); // 170;
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step = 0;
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}
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if (step == 0) {
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matrix.drawCircle(centerX, centerY, step, effects.ColorFromCurrentPalette(hue));
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step++;
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}
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else {
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if (step < maxSteps) {
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// initial pulse
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matrix.drawCircle(centerX, centerY, step, effects.ColorFromCurrentPalette(hue, pow(fadeRate, step - 2) * 255));
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// secondary pulse
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if (step > 3) {
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matrix.drawCircle(centerX, centerY, step - 3, effects.ColorFromCurrentPalette(hue, pow(fadeRate, step - 2) * 255));
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}
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step++;
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}
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else {
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step = -1;
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}
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}
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effects.standardNoiseSmearing();
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effects.ShowFrame();
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return 30;
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}
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};
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#endif
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