Galactic Unicorn: Rainbow text demo.

pull/537/head
lowfatcode 2022-08-25 17:40:53 +01:00 zatwierdzone przez Phil Howard
rodzic 8e8299a80b
commit 2695982182
3 zmienionych plików z 111 dodań i 247 usunięć

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@ -1,14 +1,14 @@
add_executable(
galactic_unicorn_demo
demo.cpp
rainbow_text
rainbow_text.cpp
)
# Pull in pico libraries that we need
target_link_libraries(galactic_unicorn_demo pico_stdlib hardware_pio hardware_adc hardware_dma pico_graphics galactic_unicorn)
pico_enable_stdio_usb(galactic_unicorn_demo 1)
target_link_libraries(rainbow_text pico_stdlib hardware_pio hardware_adc hardware_dma pico_graphics galactic_unicorn)
pico_enable_stdio_usb(rainbow_text 1)
# create map/bin/hex file etc.
pico_add_extra_outputs(galactic_unicorn_demo)
pico_add_extra_outputs(rainbow_text)

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#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);
}
struct star_t {
float dx, dy, x, y, a;
uint8_t brightness() {
int b = a / 5;
return b > 15 ? 15 : b;
}
};
void init_star(star_t &s) {
s.x = ((rand() % 100) / 5.0f) - 10.0f;
s.y = ((rand() % 100) / 10.0f) - 5.0f;
s.dx = s.x / 10.0f;
s.dy = s.y / 10.0f;
s.a = 0;
}
void step_star(star_t &s) {
s.x += s.dx;
s.y += s.dy;
s.a++;
if(s.a > 100) {
init_star(s);
}
}
int main() {
uint8_t hue_map[53][3];
for(int i = 0; i < 53; i++) {
from_hsv(i / 53.0f, 1.0f, 1.0f, hue_map[i][0], hue_map[i][1], hue_map[i][2]);
}
star_t stars[100];
for(int i = 0; i < 100; i++) {
init_star(stars[i]);
stars[i].a = i;
}
gpio_set_function(28, GPIO_FUNC_SIO);
gpio_set_dir(28, GPIO_OUT);
for(int i = 0; i < 10; i++) {
gpio_put(28, !gpio_get(28));
sleep_ms(100);
}
sleep_ms(1000);
gpio_put(28,true);
galactic_unicorn.init();
/*
bool a_pressed = false;
bool b_pressed = false;
bool x_pressed = false;
bool y_pressed = false;
*/
graphics.set_font("sans");
//uint i = 0;
//int v = 255;
float hue_offset = 0.0f;
float brightness = 0.5f;
float curve = 4.0f;
int x = 10;
int y = 5;
while(true) {
if(galactic_unicorn.is_pressed(galactic_unicorn.SWITCH_VOLUME_UP)) {
hue_offset += 0.05;
if(hue_offset > 1.0f) hue_offset = 1.0f;
}
if(galactic_unicorn.is_pressed(galactic_unicorn.SWITCH_VOLUME_DOWN)) {
hue_offset -= 0.05;
if(hue_offset < 0.0f) hue_offset = 0.0f;
}
if(galactic_unicorn.is_pressed(galactic_unicorn.SWITCH_BRIGHTNESS_UP)) {
brightness += 0.05;
if(brightness > 1.0f) brightness = 1.0f;
}
if(galactic_unicorn.is_pressed(galactic_unicorn.SWITCH_BRIGHTNESS_DOWN)) {
brightness -= 0.05;
if(brightness < 0.0f) brightness = 0.0f;
}
if(galactic_unicorn.is_pressed(galactic_unicorn.SWITCH_A)) {
curve += 0.5;
if(curve > 100.0f) curve = 100.0f;
}
if(galactic_unicorn.is_pressed(galactic_unicorn.SWITCH_B)) {
curve -= 0.5;
if(curve < 0.5) curve = 0.5;
}
if(galactic_unicorn.is_pressed(galactic_unicorn.SWITCH_A)) {
x -= 1;
sleep_ms(250);
}
if(galactic_unicorn.is_pressed(galactic_unicorn.SWITCH_B)) {
x += 1;
sleep_ms(250);
}
if(galactic_unicorn.is_pressed(galactic_unicorn.SWITCH_C)) {
y -= 1;
sleep_ms(250);
}
if(galactic_unicorn.is_pressed(galactic_unicorn.SWITCH_D)) {
y += 1;
sleep_ms(250);
}
/*
for(int y = 0; y < 11; y++) {
for(int x = 0; x < 53; x++) {
float fx = x / 53.0f;
float fy = (y / 11.0f) - 0.5f;
float twopi = M_PI * 2;
float hue = fy + (sin(fx * twopi / curve));
float fade = 1.0f;
hue += hue_offset;
while(hue < 0.0f) {hue += 1.0f;}
while(hue > 1.0f) {hue -= 1.0f;}
hue = 1.0f - hue;
ok_color::HSL hsl{.h = hue, .s = 1.0f, .l = brightness * fade};
ok_color::RGB rgb = ok_color::okhsl_to_srgb(hsl);
galactic_unicorn.set_pixel(x, y, rgb.r * 255.0f, rgb.g * 255.0f, rgb.b * 255.0f);
}
}*/
graphics.set_pen(255, 255, 255);
graphics.pixel(Point(x, y));
galactic_unicorn.update(&graphics);
/*i++;
graphics.set_pen(0, 0, 0);
if(galactic_unicorn.is_pressed(galactic_unicorn.SWITCH_A)) {graphics.set_pen(255, 0, 0);}
graphics.clear();
if(galactic_unicorn.is_pressed(galactic_unicorn.SWITCH_BRIGHTNESS_DOWN)) {v = v == 0 ? 0 : v - 1;}
for(int i = 0; i < 100; i++) {
star_t &star = stars[i];
step_star(star);
uint b = star.brightness();
graphics.set_pen(b, b, b);
graphics.pixel(Point(star.x + (53 / 2), star.y + (11 / 2)));
}
graphics.set_pen(255, 255, 255);
float s = 1.0f;//0.65f + (sin(i / 25.0f) * 0.15f);
float a = 1.0f;// (sin(i / 25.0f) * 100.0f);
float x = (sin(i / 25.0f) * 40.0f) * s;
float y = (cos(i / 15.0f) * 10.0f) * s;
text("Galactic", Point(x, y), s, a);
uint16_t *p = (uint16_t *)graphics.frame_buffer;
for(size_t i = 0; i < 53 * 11; i++) {
int x = i % 53;
int y = i / 53;
uint r = ((*p & 0b1111100000000000) >> 11) << 3;
uint g = ((*p & 0b0000011111100000) >> 5) << 2;
uint b = ((*p & 0b0000000000011111) >> 0) << 3;
p++;
if(r > 200 && g > 200 && b > 200) {
r = hue_map[x][0];
g = hue_map[x][1];
b = hue_map[x][2];
}
galactic_unicorn.set_pixel(x, y, r, g, b);
}
*/
sleep_ms(10);
}
printf("done\n");
return 0;
}

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#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;
}