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