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

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/*
* Aurora: https://github.com/pixelmatix/aurora
* Copyright (c) 2014 Jason Coon
*
* 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 PatternFlowField_H
class PatternFlowField : public Drawable {
public:
PatternFlowField() {
name = (char *)"FlowField";
}
uint16_t x;
uint16_t y;
uint16_t z;
uint16_t speed = 1;
uint16_t scale = 26;
static const int count = 40;
byte hue = 0;
void start() {
x = random16();
y = random16();
z = random16();
for (int i = 0; i < count; i++) {
boids[i] = Boid(random(VPANEL_W), 0);
}
}
unsigned int drawFrame() {
effects.DimAll(240);
// CRGB color = effects.ColorFromCurrentPalette(hue);
for (int i = 0; i < count; i++) {
Boid * boid = &boids[i];
int ioffset = scale * boid->location.x;
int joffset = scale * boid->location.y;
byte angle = inoise8(x + ioffset, y + joffset, z);
boid->velocity.x = (float) sin8(angle) * 0.0078125 - 1.0;
boid->velocity.y = -((float)cos8(angle) * 0.0078125 - 1.0);
boid->update();
effects.drawBackgroundFastLEDPixelCRGB(boid->location.x, boid->location.y, effects.ColorFromCurrentPalette(angle + hue)); // color
if (boid->location.x < 0 || boid->location.x >= VPANEL_W ||
boid->location.y < 0 || boid->location.y >= VPANEL_H) {
boid->location.x = random(VPANEL_W);
boid->location.y = 0;
}
}
EVERY_N_MILLIS(200) {
hue++;
}
x += speed;
y += speed;
z += speed;
effects.ShowFrame();
return 50;
}
};
#endif