pimoroni-pico/examples/breakout_colourlcd240x240/colorlcd_240x240_demo.cpp

69 wiersze
1.7 KiB
C++

#include <math.h>
#include <vector>
#include "drivers/st7789/st7789.hpp"
#include "libraries/pico_graphics/pico_graphics.hpp"
using namespace pimoroni;
const int WIDTH = 240;
const int HEIGHT = 240;
ST7789 st7789(WIDTH, HEIGHT, ROTATE_0, false, get_spi_pins(BG_SPI_FRONT));
PicoGraphics_PenRGB332 graphics(st7789.width, st7789.height, nullptr);
int main() {
st7789.set_backlight(255);
struct pt {
float x;
float y;
uint8_t r;
float dx;
float dy;
Pen pen;
};
std::vector<pt> shapes;
for(int i = 0; i < 100; i++) {
pt shape;
shape.r = (rand() % 10) + 3;
shape.x = rand() % (graphics.bounds.w - (shape.r * 2));
shape.y = rand() % (graphics.bounds.h - (shape.r * 2));
shape.x += shape.r;
shape.y += shape.r;
shape.dx = float(rand() % 255) / 64.0f;
shape.dy = float(rand() % 255) / 64.0f;
shape.pen = graphics.create_pen(rand() % 255, rand() % 255, rand() % 255);
shapes.push_back(shape);
}
Pen BG = graphics.create_pen(120, 40, 60);
Pen WHITE = graphics.create_pen(255, 255, 255);
while(true) {
graphics.set_pen(BG);
graphics.clear();
for(auto &shape : shapes) {
shape.x += shape.dx;
shape.y += shape.dy;
if(shape.x < shape.r) shape.dx *= -1;
if(shape.x >= graphics.bounds.w - shape.r) shape.dx *= -1;
if(shape.y < shape.r) shape.dy *= -1;
if(shape.y >= graphics.bounds.h - shape.r) shape.dy *= -1;
graphics.set_pen(shape.pen);
graphics.circle(Point(shape.x, shape.y), shape.r);
}
graphics.set_pen(WHITE);
graphics.text("Hello World", Point(0, 0), 240);
// update screen
st7789.update(&graphics);
}
return 0;
}