94 lines
2.7 KiB
C++
94 lines
2.7 KiB
C++
/*
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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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* 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 PatternFlowField_H
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class PatternFlowField : public Drawable {
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public:
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PatternFlowField() {
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name = (char *)"FlowField";
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}
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uint16_t x;
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uint16_t y;
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uint16_t z;
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uint16_t speed = 1;
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uint16_t scale = 26;
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static const int count = 40;
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unsigned long last_update_hue_ms = 0;
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byte hue = 0;
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void start() {
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x = random16();
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y = random16();
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z = random16();
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for (int i = 0; i < count; i++) {
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boids[i] = Boid(random(VPANEL_W), 0);
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}
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}
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unsigned int drawFrame() {
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effects.DimAll(240);
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// CRGB color = effects.ColorFromCurrentPalette(hue);
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for (int i = 0; i < count; i++) {
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Boid * boid = &boids[i];
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int ioffset = scale * boid->location.x;
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int joffset = scale * boid->location.y;
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byte angle = inoise8(x + ioffset, y + joffset, z);
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boid->velocity.x = (float) sin8(angle) * 0.0078125 - 1.0;
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boid->velocity.y = -((float)cos8(angle) * 0.0078125 - 1.0);
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boid->update();
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effects.drawBackgroundFastLEDPixelCRGB(boid->location.x, boid->location.y, effects.ColorFromCurrentPalette(angle + hue)); // color
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if (boid->location.x < 0 || boid->location.x >= VPANEL_W ||
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boid->location.y < 0 || boid->location.y >= VPANEL_H) {
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boid->location.x = random(VPANEL_W);
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boid->location.y = 0;
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}
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}
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if (millis() - last_update_hue_ms > 200) {
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last_update_hue_ms = millis();
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hue++;
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}
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x += speed;
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y += speed;
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z += speed;
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effects.ShowFrame();
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return 50;
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}
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};
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#endif
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