diff options
Diffstat (limited to 'examples/texture.c')
| -rw-r--r-- | examples/texture.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/examples/texture.c b/examples/texture.c new file mode 100644 index 0000000..da614d4 --- /dev/null +++ b/examples/texture.c @@ -0,0 +1,72 @@ +#define FBGL_IMPLEMENTATION +#include "../fbgl.h" +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> // for usleep + +int main(int argc, char **argv) +{ + // Initialize framebuffer + fbgl_t framebuffer; + if (fbgl_init(NULL, &framebuffer) != 0) { + fprintf(stderr, "Failed to initialize framebuffer.\n"); + return EXIT_FAILURE; + } + + // Load a TGA texture + const char *texture_path = argv[1]; + fbgl_tga_texture_t *texture = fbgl_load_tga_texture(texture_path); + if (!texture) { + fprintf(stderr, "Failed to load texture.\n"); + fbgl_destroy(&framebuffer); + return EXIT_FAILURE; + } + + // Set a background color (e.g., black) + fbgl_set_bg(&framebuffer, 0x000000); // Clear the framebuffer to black + + // Texture movement parameters + int texture_x = 0; // Initial horizontal position of the texture + int texture_y = 100; // Initial vertical position of the texture + int dx = 5; // Horizontal speed (adjust for desired marquee speed) + int dy = 3; // Vertical speed (adjust for desired marquee speed) + + // Main rendering loop + while (1) { + // Clear the framebuffer (set background) + fbgl_set_bg(&framebuffer, 0x000000); + + // Draw the texture at the current position + fbgl_draw_texture(&framebuffer, texture, texture_x, texture_y); + + // Move the texture by updating its position + texture_x += dx; + texture_y += dy; + + // Reverse direction if the texture hits the screen boundary (X-axis) + if (texture_x <= 0 || + texture_x + texture->width >= framebuffer.width) { + dx = -dx; // Reverse horizontal direction when hitting the left or right edge + } + + // Reverse direction if the texture hits the screen boundary (Y-axis) + if (texture_y <= 0 || + texture_y + texture->height >= framebuffer.height) { + dy = -dy; // Reverse vertical direction when hitting the top or bottom edge + } + + usleep(50000); // Delay to make the marquee effect visible (adjust as needed) + } + + // Wait for the user to press the escape key before exiting + printf("Press ESC to exit...\n"); + while (!fbgl_check_esc_key()) { + // You can add additional rendering logic here if needed + } + + // Clean up + fbgl_destroy_texture(texture); + fbgl_destroy(&framebuffer); + + return EXIT_SUCCESS; +} |
