markus/4k_synthwave
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poistettu valot

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This commit is contained in:
Petri Järvisalo
2025-07-31 18:16:10 +03:00
parent b1f6fab663
commit efac210beb
2 changed files with 0 additions and 150 deletions
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97
src/main.cpp
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@ -16,11 +16,6 @@
#define USE_AUDIO 1
#define NO_UNIFORMS 0
#define SHAPES 16
#define SHAPES_TEX_SIZE (SHAPES * SHAPES * 4)
#define SHAPES_TOTAL (SHAPES * SHAPES)
#define MAX_DISTANCE 100.f
#include "definitions.h"
#if OPENGL_DEBUG
#include "debug.h"
@ -47,9 +42,7 @@ static int pidPost;
// FFT buffers
static Complex signal[FFT_SIZE];
static Complex buffer[3 * FFT_SIZE];
static float fft_uniform[FFT_SIZE / 4];
static float shapesData[SHAPES_TEX_SIZE];
void entrypoint(void)
#else
@ -130,19 +123,6 @@ int __cdecl main(int argc, char* argv[])
// Play sound
direct_sound_buffer->Play(0, 0, 0);
// main note effect
boolean beenPlaying = false;
const int SHAPES_SIZE = 15;
float shapeIncrement = 0.15f;
int currentShape = 0; // mark location which shape we are currently building
boolean isPlaying = false;
float lastPlayPos = 0;
float lastNote = 0.0f;
struct Vec3 {
float x, y, z;
};
@ -152,18 +132,6 @@ int __cdecl main(int argc, char* argv[])
PFNGLUNIFORM1IPROC glUniform1i = ((PFNGLUNIFORM1IPROC)wglGetProcAddress("glUniform1i"));
PFNGLGETUNIFORMLOCATIONPROC glGetUniformLocation = ((PFNGLGETUNIFORMLOCATIONPROC)wglGetProcAddress("glGetUniformLocation"));
GLuint ShapesTex;
glGenTextures(1, &ShapesTex);
glBindTexture(GL_TEXTURE_2D, ShapesTex);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA16F, SHAPES, SHAPES, 0, GL_RGBA, GL_FLOAT, nullptr);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
const ULONGLONG targetIntervalMs = 1000 / 60; // For 60 FPS FFT updates
do
@ -248,71 +216,6 @@ int __cdecl main(int argc, char* argv[])
{
syncs[i + 1] = syncBuf[(playCursor / (2 * sizeof(SUsample)) >> 8) * SU_NUMSYNCS + i];
}
//////////////////////////////////////////////////////
// Shape builder
//////////////////////////////////////////////////////
// if sound is playing, start a shape, if shape is already started - add length
// if sound has stopped, end shape
// if shape is finished, move shape forward
float captureSync = syncs[5];
bool shapeJustFinished = false;
bool shapeJustStarted = false;
// Detect note change to start a new shape
bool noteChanged = (captureSync != lastNote) ? TRUE : FALSE;
lastNote = captureSync;
// If note changed and value is significant, start new shape
if (noteChanged) {
int index = currentShape * 4;
// Reset and activate current shape
shapesData[index + 0] = 0.0f; // x start
shapesData[index + 1] = captureSync; // y from audio
shapesData[index + 2] = 1.0f; // z (unused or length)
shapesData[index + 3] = 1.0f; // active
// Advance to next shape slot (circular)
currentShape = (currentShape + 1) % SHAPES_TOTAL;
}
// Move active shapes
for (int i = 0; i < SHAPES_TOTAL; ++i) {
int index = i * 4;
// Check if shape is active
if (shapesData[index + 3] > 0.5f) {
// Move shape right
shapesData[index + 0] += shapeIncrement;
// Update y (optional, reflect live audio)
//shapesData[index + 1] = captureSync;
// Optional: grow z value to show duration
//shapesData[index + 2] += shapeIncrement * 0.2f;
// If x exceeds max distance, deactivate and reset
if (shapesData[index + 0] > MAX_DISTANCE) {
shapesData[index + 0] = 0.0f;
shapesData[index + 1] = 0.0f;
shapesData[index + 2] = 0.0f;
shapesData[index + 3] = 0.0f; // inactive
}
}
}
// Bind and update u_ShapesTex
glUniform1i(glGetUniformLocation(pidMain, "u_ShapesTex"), 0);
glActiveTexture(GL_TEXTURE0 + 0);
glBindTexture(GL_TEXTURE_2D, ShapesTex);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, SHAPES, SHAPES, GL_RGBA, GL_FLOAT, shapesData);
glUniform1fvProc(0, SU_NUMSYNCS + 1, syncs);
glUniform1fvProc(20, FFT_SIZE / 4, fft_uniform);