kopia lustrzana https://github.com/pimoroni/pimoroni-pico
77 wiersze
1.8 KiB
C++
77 wiersze
1.8 KiB
C++
#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#include "pico/stdlib.h"
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#include "libraries/pico_graphics/pico_graphics.hpp"
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#include "cosmic_unicorn.hpp"
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using namespace pimoroni;
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PicoGraphics_PenRGB888 graphics(32, 32, nullptr);
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CosmicUnicorn cosmic_unicorn;
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std::string message = "Pirate. Monkey. Robot. Ninja.";
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// HSV Conversion expects float inputs in the range of 0.00-1.00 for each channel
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// Outputs are rgb in the range 0-255 for each channel
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void from_hsv(float h, float s, float v, uint8_t &r, uint8_t &g, uint8_t &b) {
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float i = floor(h * 6.0f);
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float f = h * 6.0f - i;
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v *= 255.0f;
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uint8_t p = v * (1.0f - s);
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uint8_t q = v * (1.0f - f * s);
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uint8_t t = v * (1.0f - (1.0f - f) * s);
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switch (int(i) % 6) {
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case 0: r = v; g = t; b = p; break;
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case 1: r = q; g = v; b = p; break;
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case 2: r = p; g = v; b = t; break;
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case 3: r = p; g = q; b = v; break;
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case 4: r = t; g = p; b = v; break;
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case 5: r = v; g = p; b = q; break;
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}
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}
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int main() {
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stdio_init_all();
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cosmic_unicorn.init();
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float scroll = -32.0f;
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while(true) {
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//uint time_ms = to_ms_since_boot(get_absolute_time());
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if(cosmic_unicorn.is_pressed(cosmic_unicorn.SWITCH_BRIGHTNESS_UP)) {
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cosmic_unicorn.adjust_brightness(+0.01);
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}
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if(cosmic_unicorn.is_pressed(cosmic_unicorn.SWITCH_BRIGHTNESS_DOWN)) {
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cosmic_unicorn.adjust_brightness(-0.01);
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}
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int width = graphics.measure_text(message, 1);
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scroll += 0.25f;
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if(scroll > width) {
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scroll = -32.0f;
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}
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graphics.set_pen(0, 0, 0);
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graphics.clear();
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uint8_t r = 0, g = 0, b = 0;
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from_hsv(scroll / 100.0f, 1.0f, 0.5f, r, g, b);
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graphics.set_pen(r, g, b);
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graphics.text(message, Point(0 - scroll, 14), -1, 0.55);
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cosmic_unicorn.update(&graphics);
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sleep_ms(10);
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}
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return 0;
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}
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