67 lines
2.2 KiB
C
67 lines
2.2 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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* Portions of this code are adapted from LedEffects Plasma by Robert Atkins: https://bitbucket.org/ratkins/ledeffects/src/26ed3c51912af6fac5f1304629c7b4ab7ac8ca4b/Plasma.cpp?at=default
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* Copyright (c) 2013 Robert Atkins
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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 PatternPlasma_H
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#define PatternPlasma_H
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class PatternPlasma : public Drawable {
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private:
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int time = 0;
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int cycles = 0;
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public:
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PatternPlasma() {
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name = (char *)"Plasma";
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}
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unsigned int drawFrame() {
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for (int x = 0; x < VPANEL_W; x++) {
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for (int y = 0; y < VPANEL_H; y++) {
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int16_t v = 0;
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uint8_t wibble = sin8(time);
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v += sin16(x * wibble * 6 + time);
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v += cos16(y * (128 - wibble) * 6 + time);
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v += sin16(y * x * cos8(-time) / 8);
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effects.Pixel(x, y, (v >> 8) + 127);
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}
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}
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time += 1;
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cycles++;
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if (cycles >= 2048) {
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time = 0;
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cycles = 0;
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}
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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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