109 lines
2.8 KiB
C++
109 lines
2.8 KiB
C++
#include <string.h>
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#include <math.h>
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#include <vector>
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#include <cstdlib>
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#include "pico_display.hpp"
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#include "drivers/st7789/st7789.hpp"
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#include "libraries/pico_graphics/pico_graphics.hpp"
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#include "rgbled.hpp"
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using namespace pimoroni;
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ST7789 st7789(PicoDisplay::WIDTH, PicoDisplay::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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RGBLED led(PicoDisplay::LED_R, PicoDisplay::LED_G, PicoDisplay::LED_B);
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int main() {
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st7789.set_backlight(100);
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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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uint16_t 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.x = rand() % 240;
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shape.y = rand() % 135;
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shape.r = (rand() % 10) + 3;
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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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uint32_t i = 0;
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Pen BG = graphics.create_pen(120, 40, 60);
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Pen YELLOW = graphics.create_pen(255, 255, 0);
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Pen TEAL = graphics.create_pen(0, 255, 255);
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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 < 0) shape.dx *= -1;
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if(shape.x >= graphics.bounds.w) shape.dx *= -1;
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if(shape.y < 0) shape.dy *= -1;
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if(shape.y >= graphics.bounds.h) 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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float led_step = fmod(i / 20.0f, M_PI * 2.0f);
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int r = (sin(led_step) * 32.0f) + 32.0f;
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led.set_rgb(r, r / 1.2f, r);
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std::vector<Point> poly;
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poly.push_back(Point(30, 30));
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poly.push_back(Point(50, 35));
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poly.push_back(Point(70, 25));
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poly.push_back(Point(80, 65));
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poly.push_back(Point(50, 85));
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poly.push_back(Point(30, 45));
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graphics.set_pen(YELLOW);
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//pico_display.pixel(Point(0, 0));
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graphics.polygon(poly);
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graphics.set_pen(TEAL);
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graphics.triangle(Point(50, 50), Point(130, 80), Point(80, 110));
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graphics.set_pen(WHITE);
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graphics.line(Point(50, 50), Point(120, 80));
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graphics.line(Point(20, 20), Point(120, 20));
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graphics.line(Point(20, 20), Point(20, 120));
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for(int r = 0; r < 30; r++) {
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for(int j = 0; j < 10; j++) {
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float rads = ((M_PI * 2) / 30.0f) * float(r);
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rads += (float(i) / 100.0f);
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rads += (float(j) / 100.0f);
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float cx = sin(rads) * 300.0f;
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float cy = cos(rads) * 300.0f;
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graphics.line(Point(120, 67), Point(cx + 120, cy + 67));
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}
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}
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// update screen
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st7789.update(&graphics);
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sleep_ms(1000 / 60);
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i++;
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}
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return 0;
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}
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