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#include "../graphics.c"
f32 frames[PRIMARY_SOUND_SAMPLE_RATE * NUM_PRIMARY_SOUND_CHANNELS] = {0};
b8 ui_button(f64 x, f64 y, f64 width, f64 height) {
b8 has_cursor = g_platform.cursor_x >= x && g_platform.cursor_x < x + width &&
g_platform.cursor_y >= y && g_platform.cursor_y < y + height;
b8 is_pressed = has_cursor && g_platform.key_down[BUTTON_LEFT];
if (is_pressed)
fill_rectangle(RGB(1.f, 1.f, 1.f), x, y, width, height);
else if (has_cursor)
fill_rectangle(RGB(.8f, .8f, 0.f), x, y, width, height);
else
fill_rectangle(RGB(.8f, .8f, .2f), x, y, width, height);
return has_cursor && g_platform.key_pressed[BUTTON_LEFT];
}
void update_and_render_frame(void) {
i32 num_events = handle_main_window_events();
if (num_events > 0) {
fill_rectangle(RGB(.1f, .1f, .1f), 0, 0, g_platform.frame_width, g_platform.frame_height);
if (ui_button(100, 100, 200, 200))
queue_primary_sound(0, PRIMARY_SOUND_SAMPLE_RATE, frames);
}
handle_primary_sound();
render_main_window_frame();
suspend_thread_for_milliseconds(0);
}
i32 main(i32 argc, c8 **argv) {
(void) argc;
(void) argv;
g_platform = (Platform) {
.title = "Sine Wave",
.graceful_shutdown = 1,
};
f64 frequency = 440.;
for (i64 i = 0; i < PRIMARY_SOUND_SAMPLE_RATE; ++i) {
f64 t = ((f64) i) / PRIMARY_SOUND_SAMPLE_RATE;
f64 x = sin(t * (M_PI * 2.) * frequency);
if (t < .005)
x *= t / .005;
if (t > .1)
x *= (1. - t) / .9;
frames[i * 2] = (f32) (x * .5);
frames[i * 2 + 1] = (f32) (x * .5);
}
run_main_window_event_loop();
return 0;
}
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