HeartBeatEffect.cpp

00001 
00002 #include "HeartBeatEffect.h"
00003 
00004 HeartBeatEffect::HeartBeatEffect(RGB* led) : Effect(led)
00005 {
00006     updown = true;
00007     brightness = 0;
00008 }
00009 
00010 void HeartBeatEffect::run()
00011 {
00012     if(updown) {
00013         brightness += 10;
00014     } else {
00015         brightness -= 20;
00016     }
00017 
00018     if(brightness > 255 || brightness < 0) changeDirection();
00019     brightness = saturate(brightness);
00020 
00021     setLight(brightness);
00022     wait(0.02 * speed);
00023 }
00024 
00025 void HeartBeatEffect::setLight(int value)
00026 {
00027 
00028     led->setColor( value << 16);
00029 }
00030 
00031 void HeartBeatEffect::changeDirection()
00032 {
00033     updown = !updown;
00034 }
00035 
00036 int HeartBeatEffect::saturate(int value)
00037 {
00038     if(value > 255) value = 255;
00039     if(value < 0) value = 0;
00040     return value;
00041 }