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#include "graphics.h"
#include <cmath>
int main(int argc, char* argv[]) {
// Create a window
WindowHandle* window = createWindow("Graphics Demo - SDL Backend", 800, 600);
if (!window) {
return -1;
}
// Animation variables
float time = 0.0f;
const float PI = 3.14159265359f;
// Main loop
while (!windowShouldClose(window)) {
// Handle events
pollEvents(window);
// Clear screen with a dark background
clearScreen(window, Color(20, 20, 30));
// Draw a grid
Color gridColor(50, 50, 70);
for (int x = 0; x < 800; x += 50) {
drawLine(window, x, 0, x, 600, gridColor);
}
for (int y = 0; y < 600; y += 50) {
drawLine(window, 0, y, 800, y, gridColor);
}
// Draw some static shapes
drawFilledRectangle(window, 50, 50, 100, 80, Color(255, 100, 100));
drawRectangle(window, 48, 48, 104, 84, Color(255, 150, 150));
drawFilledCircle(window, 250, 90, 40, Color(100, 255, 100));
drawCircle(window, 250, 90, 42, Color(150, 255, 150));
// Animated rotating line
int centerX = 400;
int centerY = 300;
int lineLength = 150;
int x2 = centerX + static_cast<int>(lineLength * cos(time));
int y2 = centerY + static_cast<int>(lineLength * sin(time));
drawLine(window, centerX, centerY, x2, y2, Color(255, 255, 100, 255));
drawFilledCircle(window, centerX, centerY, 5, Color(255, 200, 0));
// Animated bouncing circle
int bounceX = 600;
int bounceY = 300 + static_cast<int>(100 * sin(time * 2));
drawFilledCircle(window, bounceX, bounceY, 30, Color(100, 200, 255));
// Draw multiple small circles in a pattern
for (int i = 0; i < 8; i++) {
float angle = (time + i * PI / 4);
int px = 400 + static_cast<int>(100 * cos(angle));
int py = 300 + static_cast<int>(100 * sin(angle));
Color particleColor(
static_cast<uint8_t>(128 + 127 * sin(time + i)),
static_cast<uint8_t>(128 + 127 * sin(time + i + PI * 2 / 3)),
static_cast<uint8_t>(128 + 127 * sin(time + i + PI * 4 / 3))
);
drawFilledCircle(window, px, py, 8, particleColor);
}
// Draw some text-like pixel art (a simple "HI" pattern)
Color pixelColor(255, 255, 255);
// Letter H
for (int y = 0; y < 20; y++) {
drawPixel(window, 50, 500 + y, pixelColor);
drawPixel(window, 70, 500 + y, pixelColor);
}
for (int x = 50; x <= 70; x++) {
drawPixel(window, x, 510, pixelColor);
}
// Letter I
for (int y = 0; y < 20; y++) {
drawPixel(window, 90, 500 + y, pixelColor);
}
for (int x = 85; x <= 95; x++) {
drawPixel(window, x, 500, pixelColor);
drawPixel(window, x, 519, pixelColor);
}
// Draw a gradient effect using rectangles
for (int i = 0; i < 50; i++) {
uint8_t colorValue = static_cast<uint8_t>(i * 5);
drawFilledRectangle(window, 650 + i * 3, 450, 3, 100,
Color(colorValue, 0, 255 - colorValue));
}
// Present the rendered frame
swapBuffers(window);
// Update animation
time += 0.02f;
// Small delay to control frame rate (~60 FPS)
delay(16);
}
// Cleanup
destroyWindow(window);
return 0;
}
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