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41 lines
1.1 KiB
41 lines
1.1 KiB
#ifndef RAINBOWCYCLEDEMO_H
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#define RAINBOWCYCLEDEMO_H
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#include "Demo.h"
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// Animation speeds to loop through with mode presses. The current milliseconds
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// are divided by this value so the smaller the value the faster the animation.
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static int speeds[] = { 5, 10, 50, 100 };
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class RainbowCycleDemo: public Demo {
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public:
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RainbowCycleDemo() { currentSpeed = 0; }
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~RainbowCycleDemo() {}
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virtual void loop() {
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// Make an offset based on the current millisecond count scaled by the current speed.
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uint32_t offset = millis() / speeds[currentSpeed];
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// Loop through each pixel and set it to an incremental color wheel value.
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for(int i=0; i<10; ++i) {
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CircuitPlayground.strip.setPixelColor(i, CircuitPlayground.colorWheel(((i * 256 / 10) + offset) & 255));
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}
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// Show all the pixels.
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CircuitPlayground.strip.show();
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}
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virtual void modePress() {
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// Increment through the available speeds.
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currentSpeed += 1;
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if (currentSpeed >= sizeof(speeds)/sizeof(int)) {
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currentSpeed = 0;
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}
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}
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private:
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int currentSpeed;
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};
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#endif
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