kopia lustrzana https://github.com/pimoroni/pimoroni-pico
124 wiersze
3.4 KiB
C++
124 wiersze
3.4 KiB
C++
#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 "drivers/hub75/hub75.hpp"
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using namespace pimoroni;
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const uint8_t QTY_BALLS = 10;
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//If the display looks streaky or corrupted then uncomment one of the other initalisers
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//Works with our 32x32 panels https://shop.pimoroni.com/products/rgb-led-matrix-panel?variant=35962488650 https://shop.pimoroni.com/products/rgb-led-matrix-panel?variant=19321740999
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//Hub75 hub75(32, 32, nullptr, PANEL_GENERIC, false);
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//or using 2 of these panels
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//Hub75 hub75(64, 32, nullptr, PANEL_GENERIC, false);
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//and 64x32 panel https://shop.pimoroni.com/products/rgb-led-matrix-panel?variant=42312764298
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//Hub75 hub75(64, 32, nullptr, PANEL_GENERIC, false);
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//or using 2 of these panels
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//Hub75 hub75(128, 32, nullptr, PANEL_GENERIC, false);
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//Works with our 64x64 panel https://shop.pimoroni.com/products/rgb-led-matrix-panel?variant=3029531983882
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Hub75 hub75(64, 64, nullptr, PANEL_FM6126A, false);
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//or using 2 of these panels
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//Hub75 hub75(128, 64, nullptr, PANEL_GENERIC, false);
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PicoGraphics_PenRGB888 graphics(hub75.width, hub75.height, nullptr);
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// Callback for the dma interrupt (required)
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void __isr dma_complete() {
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hub75.dma_complete();
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}
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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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hub75.start(dma_complete);
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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(uint8_t i = 0; i < QTY_BALLS; i++) {
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pt shape;
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shape.x = rand() % graphics.bounds.w;
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shape.y = rand() % graphics.bounds.h;
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shape.r = (rand() % 5) + 2;
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shape.dx = float(rand() % 255) / 128.0f;
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shape.dy = float(rand() % 255) / 128.0f;
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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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Point text_location(0, 0);
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Pen BG = graphics.create_pen(0, 0, 0);
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Pen WHITE = graphics.create_pen(200, 200, 200);
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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) < 0) {
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shape.dx *= -1;
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shape.x = shape.r;
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}
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if((shape.x + shape.r) >= graphics.bounds.w) {
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shape.dx *= -1;
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shape.x = graphics.bounds.w - shape.r;
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}
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if((shape.y - shape.r) < 0) {
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shape.dy *= -1;
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shape.y = shape.r;
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}
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if((shape.y + shape.r) >= graphics.bounds.h) {
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shape.dy *= -1;
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shape.y = graphics.bounds.h - shape.r;
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}
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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", text_location, false, 1.0f);
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// update screen
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hub75.update(&graphics);
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sleep_ms(1000 / 30);
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}
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return 0;
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} |