summaryrefslogtreecommitdiff
path: root/src/main.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/main.cpp')
-rw-r--r--src/main.cpp70
1 files changed, 0 insertions, 70 deletions
diff --git a/src/main.cpp b/src/main.cpp
deleted file mode 100644
index c1e2789..0000000
--- a/src/main.cpp
+++ /dev/null
@@ -1,70 +0,0 @@
-#include "platform.h"
-#include "gpu/gpu.h"
-#include "audio/audio.h"
-#include "audio/synth.h"
-#include "util/math.h"
-#include <string.h>
-#include <math.h>
-
-#define DEMO_BPM 120.0f
-#define SECONDS_PER_BEAT (60.0f / DEMO_BPM)
-#define SPEC_FRAMES 16
-
-static float g_spec_buffer_a[SPEC_FRAMES * DCT_SIZE];
-static float g_spec_buffer_b[SPEC_FRAMES * DCT_SIZE];
-
-void generate_tone(float* buffer, float freq) {
- memset(buffer, 0, SPEC_FRAMES * DCT_SIZE * sizeof(float));
- for (int frame = 0; frame < SPEC_FRAMES; ++frame) {
- float* spec_frame = buffer + frame * DCT_SIZE;
- float amplitude = powf(1.0f - (float)frame / SPEC_FRAMES, 2.0f);
-
- int bin = (int)(freq / (32000.0f / 2.0f) * DCT_SIZE);
- if (bin > 0 && bin < DCT_SIZE) {
- spec_frame[bin] = amplitude;
- }
- }
-}
-
-int main() {
- platform_init();
- gpu_init(platform_get_window());
- audio_init();
-
- generate_tone(g_spec_buffer_a, 440.0f); // A4
- generate_tone(g_spec_buffer_b, 880.0f); // A5
-
- Spectrogram spec = { g_spec_buffer_a, g_spec_buffer_b, SPEC_FRAMES };
- int tone_id = synth_register_spectrogram(&spec);
-
- double last_beat_time = 0.0;
- int beat_count = 0;
-
- while (!platform_should_close()) {
- platform_poll();
-
- double current_time = platform_get_time();
- if (current_time - last_beat_time > SECONDS_PER_BEAT) {
- synth_trigger_voice(tone_id, 0.5f, 0.0f);
- last_beat_time = current_time;
- beat_count++;
-
- if (beat_count == 8) {
- // Time to update the sound!
- float* back_buffer = synth_begin_update(tone_id);
- if (back_buffer) {
- generate_tone(back_buffer, 220.0f); // A3
- synth_commit_update(tone_id);
- }
- }
- }
-
- gpu_draw();
- audio_update();
- }
-
- audio_shutdown();
- gpu_shutdown();
- platform_shutdown();
- return 0;
-}