100 lines
3 KiB
C++
100 lines
3 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 PatternSpin_H
|
|
|
|
|
|
|
|
class PatternSpin : public Drawable {
|
|
public:
|
|
PatternSpin() {
|
|
name = (char *)"Spin";
|
|
}
|
|
|
|
float degrees = 0;
|
|
float radius = 16;
|
|
|
|
float speedStart = 1;
|
|
float velocityStart = 0.6;
|
|
|
|
float maxSpeed = 30;
|
|
|
|
float speed = speedStart;
|
|
float velocity = velocityStart;
|
|
|
|
void start() {
|
|
speed = speedStart;
|
|
velocity = velocityStart;
|
|
degrees = 0;
|
|
}
|
|
|
|
unsigned int drawFrame() {
|
|
effects.DimAll(190); effects.ShowFrame();
|
|
|
|
CRGB color = effects.ColorFromCurrentPalette(speed * 8);
|
|
|
|
// start position
|
|
int x;
|
|
int y;
|
|
|
|
// target position
|
|
float targetDegrees = degrees + speed;
|
|
float targetRadians = radians(targetDegrees);
|
|
int targetX = (int) (MATRIX_CENTER_X + radius * cos(targetRadians));
|
|
int targetY = (int) (MATRIX_CENTER_Y - radius * sin(targetRadians));
|
|
|
|
float tempDegrees = degrees;
|
|
|
|
do{
|
|
float radians = radians(tempDegrees);
|
|
x = (int) (MATRIX_CENTER_X + radius * cos(radians));
|
|
y = (int) (MATRIX_CENTER_Y - radius * sin(radians));
|
|
|
|
effects.drawBackgroundFastLEDPixelCRGB(x, y, color);
|
|
effects.drawBackgroundFastLEDPixelCRGB(y, x, color);
|
|
|
|
tempDegrees += 1;
|
|
if (tempDegrees >= 360)
|
|
tempDegrees = 0;
|
|
} while (x != targetX || y != targetY);
|
|
|
|
degrees += speed;
|
|
|
|
// add velocity to the particle each pass around the accelerator
|
|
if (degrees >= 360) {
|
|
degrees = 0;
|
|
speed += velocity;
|
|
if (speed <= speedStart) {
|
|
speed = speedStart;
|
|
velocity *= -1;
|
|
}
|
|
else if (speed > maxSpeed){
|
|
speed = maxSpeed - velocity;
|
|
velocity *= -1;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
};
|
|
|
|
#endif
|