examples/shapes.c
 1#include "alba.h"
 2
 3int main() {
 4    AlbaWindowOptions options = {0};
 5    options.clear_color.r = 0.02;
 6    options.clear_color.g = 0.02;
 7    options.clear_color.b = 0.02;
 8    AlbaWindow *window = alba_create_window(&options);
 9
10    const AlbaVector tri_vertices[] = {
11        100, 100,
12        100, 400,
13        200, 100,
14        //
15        300, 150,
16        150, 300
17    };
18    const AlbaAttribute attributes[] = {
19        {{1, 0, 0, 1}, {1, -1}},
20        {{0, 1, 0, 1}, {-1, -1}},
21        {{0, 0, 1, 1}, {-1, -1}},
22        {{1, 1, 1, 0.5}, {-1, -1}},
23        {{1, 1, 1, 0.2}, {-1, -1}},
24    };
25    uint32_t indices[] = {0, 1, 2, 0, 3, 4};
26    alba_draw_triangles_indexed(window, 5, tri_vertices, attributes, 6, indices);
27
28    const AlbaColor blue = {0, 0.4, 1, 1};
29    alba_draw_rect_aa(window, 350, 100, 500, 150, blue);
30
31    const AlbaVector rect_vertices[] = {350, 300, 500, 350, 450, 400, 300, 350};
32    alba_draw_quad(window, rect_vertices, blue);
33
34    alba_draw_regular_polygon(window, 5, 320, 240, 20, blue);
35    alba_draw_circle(window, 400, 240, 5, blue);
36    alba_draw_circle(window, 420, 240, 6, blue);
37    alba_draw_circle(window, 440, 240, 7, blue);
38    alba_draw_circle(window, 460, 240, 10, blue);
39    alba_draw_circle(window, 480, 240, 15, blue);
40    alba_draw_circle(window, 500, 240, 20, blue);
41    alba_draw_circle(window, 400, 640, 200, blue);
42
43    alba_draw_rounded_rect_aa(window, 350, 30, 500, 80, 10, blue);
44
45    while (!alba_window_should_close(window)) {
46        alba_window_render(window);
47    }
48
49    alba_window_release(window);
50    alba_release();
51}