73 lines
2.4 KiB
C++
73 lines
2.4 KiB
C++
/*
|
|
* 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 PatternAttract_H
|
|
|
|
class PatternAttract : public Drawable {
|
|
private:
|
|
const int count = 8;
|
|
Attractor attractor;
|
|
|
|
public:
|
|
PatternAttract() {
|
|
name = (char *)"Attract";
|
|
}
|
|
|
|
void start() {
|
|
int direction = random(0, 2);
|
|
if (direction == 0)
|
|
direction = -1;
|
|
|
|
for (int i = 0; i < count; i++) {
|
|
Boid boid = Boid(15, 31 - i);
|
|
boid.mass = 1; // random(0.1, 2);
|
|
boid.velocity.x = ((float) random(40, 50)) / 100.0;
|
|
boid.velocity.x *= direction;
|
|
boid.velocity.y = 0;
|
|
boid.colorIndex = i * 32;
|
|
boids[i] = boid;
|
|
//dim = random(170, 250);
|
|
}
|
|
}
|
|
|
|
unsigned int drawFrame() {
|
|
// dim all pixels on the display
|
|
uint8_t dim = beatsin8(2, 170, 250);
|
|
effects.DimAll(dim); effects.ShowFrame();
|
|
|
|
for (int i = 0; i < count; i++) {
|
|
Boid boid = boids[i];
|
|
|
|
PVector force = attractor.attract(boid);
|
|
boid.applyForce(force);
|
|
|
|
boid.update();
|
|
effects.drawBackgroundFastLEDPixelCRGB(boid.location.x, boid.location.y, effects.ColorFromCurrentPalette(boid.colorIndex));
|
|
|
|
boids[i] = boid;
|
|
}
|
|
|
|
return 15;
|
|
}
|
|
};
|
|
|
|
#endif
|