kopia lustrzana https://github.com/pimoroni/pimoroni-pico
107 wiersze
2.6 KiB
C++
107 wiersze
2.6 KiB
C++
|
#include <stdio.h>
|
||
|
#include <stdlib.h>
|
||
|
#include <math.h>
|
||
|
#include "pico/stdlib.h"
|
||
|
|
||
|
#include "libraries/pico_graphics/pico_graphics.hpp"
|
||
|
#include "galactic_unicorn.hpp"
|
||
|
#include "okcolor.hpp"
|
||
|
|
||
|
using namespace pimoroni;
|
||
|
|
||
|
PicoGraphics_PenRGB888 graphics(53, 11, nullptr);
|
||
|
GalacticUnicorn galactic_unicorn;
|
||
|
|
||
|
// HSV Conversion expects float inputs in the range of 0.00-1.00 for each channel
|
||
|
// Outputs are rgb in the range 0-255 for each channel
|
||
|
void from_hsv(float h, float s, float v, uint8_t &r, uint8_t &g, uint8_t &b) {
|
||
|
float i = floor(h * 6.0f);
|
||
|
float f = h * 6.0f - i;
|
||
|
v *= 255.0f;
|
||
|
uint8_t p = v * (1.0f - s);
|
||
|
uint8_t q = v * (1.0f - f * s);
|
||
|
uint8_t t = v * (1.0f - (1.0f - f) * s);
|
||
|
|
||
|
switch (int(i) % 6) {
|
||
|
case 0: r = v; g = t; b = p; break;
|
||
|
case 1: r = q; g = v; b = p; break;
|
||
|
case 2: r = p; g = v; b = t; break;
|
||
|
case 3: r = p; g = q; b = v; break;
|
||
|
case 4: r = t; g = p; b = v; break;
|
||
|
case 5: r = v; g = p; b = q; break;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void text(std::string t, Point p, float s = 1.0f, float a = 1.0f) {
|
||
|
int w = graphics.measure_text(t, s);
|
||
|
p.x += (53 / 2) - (w / 2);
|
||
|
p.y += (11 / 2);
|
||
|
graphics.text(t, Point(p.x, p.y), -1, s, a);
|
||
|
graphics.text(t, Point(p.x + 1, p.y), -1, s, a);
|
||
|
graphics.text(t, Point(p.x + 1, p.y + 1), -1, s, a);
|
||
|
graphics.text(t, Point(p.x, p.y + 1), -1, s, a);
|
||
|
}
|
||
|
|
||
|
|
||
|
int main() {
|
||
|
|
||
|
uint8_t hue_map[53][3];
|
||
|
for(int i = 0; i < 53; i++) {
|
||
|
from_hsv(i / 53.0f, 1.0f, 0.1f, hue_map[i][0], hue_map[i][1], hue_map[i][2]);
|
||
|
}
|
||
|
|
||
|
galactic_unicorn.init();
|
||
|
|
||
|
graphics.set_font("sans");
|
||
|
uint i = 0;
|
||
|
|
||
|
while(true) {
|
||
|
|
||
|
if(galactic_unicorn.is_pressed(galactic_unicorn.SWITCH_BRIGHTNESS_UP)) {
|
||
|
galactic_unicorn.adjust_brightness(+0.01);
|
||
|
}
|
||
|
if(galactic_unicorn.is_pressed(galactic_unicorn.SWITCH_BRIGHTNESS_DOWN)) {
|
||
|
galactic_unicorn.adjust_brightness(-0.01);
|
||
|
}
|
||
|
|
||
|
|
||
|
i++;
|
||
|
graphics.set_pen(0, 0, 0);
|
||
|
graphics.clear();
|
||
|
|
||
|
float s = 0.8f;//0.65f + (sin(i / 25.0f) * 0.15f);
|
||
|
float a = 1.0f;// (sin(i / 25.0f) * 100.0f);
|
||
|
|
||
|
float x = (sin((i) / 50.0f) * 90.0f);
|
||
|
float y = (cos((i) / 40.0f) * 5.0f);
|
||
|
graphics.set_pen(255, 255, 255);
|
||
|
text("Galactic Unicorn", Point(x, y), s, a);
|
||
|
|
||
|
uint8_t *p = (uint8_t *)graphics.frame_buffer;
|
||
|
for(size_t i = 0; i < 53 * 11; i++) {
|
||
|
int x = i % 53;
|
||
|
int y = i / 53;
|
||
|
uint r = *p++;
|
||
|
uint g = *p++;
|
||
|
uint b = *p++;
|
||
|
p++;
|
||
|
|
||
|
if(r > 0) {
|
||
|
r = hue_map[x][0];
|
||
|
g = hue_map[x][1];
|
||
|
b = hue_map[x][2];
|
||
|
}
|
||
|
|
||
|
galactic_unicorn.set_pixel(x, y, r, g, b);
|
||
|
}
|
||
|
|
||
|
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
printf("done\n");
|
||
|
|
||
|
return 0;
|
||
|
}
|