partikkeli valot

src/main.cpp

@@ -37,6 +37,31 @@ static int pidMain;
 static int pidPost;
 // static HDC hDC;
 
+#define GRID 32
+#define HEX_TEX_SIZE (GRID * GRID * 4)  // RGBA: 4 floats per texel
+
+#define SHAPES 16
+#define SHAPES_TEX_SIZE (SHAPES * SHAPES * 4)
+#define MAX_DISTANCE 100.f
+
+#define PARTICLES 16
+#define PARTICLES_TEX_SIZE (PARTICLES * PARTICLES * 4)
+#define PARTICLES_DISTANCE 80.f
+
+
+static float syncs[1 + SU_NUMSYNCS];
+
+// FFT buffers
+static float fft_input[FFT_SIZE];
+static float fft_output[FFT_SIZE / 2]; // Magnitudes
+static float fft_uniform[FFT_SIZE / 4];
+
+static float particlesData[PARTICLES_TEX_SIZE];
+static float particlesData2[PARTICLES * PARTICLES]; // additional value for particle distance
+static float shapesData[SHAPES_TEX_SIZE];
+
+static float hexGridData[HEX_TEX_SIZE];
+
 #ifndef EDITOR_CONTROLS
 #pragma code_seg(".main")
 void entrypoint(void)
@@ -118,50 +143,69 @@ int __cdecl main(int argc, char* argv[])
 	// Play sound
     direct_sound_buffer->Play(0, 0, 0);
 
-	static float syncs[1 + SU_NUMSYNCS];
+
 
 	// Init FFT
 	init_hamming_window();
-	// FFT buffers
-	static float fft_input[FFT_SIZE];
-	static float fft_output[FFT_SIZE / 2]; // Magnitudes
-	static float fft_uniform[FFT_SIZE / 4];
 
-	// main note effect
-	boolean beenPlaying = false;
-	const int SHAPES_SIZE = 15;
-	float shapeIncrement = 0.02f;
 	
-	/**
+
-	* Definition of shape with 3 parameters in a vec3
+
-	*
+
-	* h position, v position, length
+
-	*
+	struct Vec3 {
+		float x, y, z;
+	};
+
+
+
+	PFNGLUNIFORM1FVPROC glUniform1fvProc = ((PFNGLUNIFORM1FVPROC)wglGetProcAddress("glUniform1fv"));
+	PFNGLACTIVETEXTUREPROC glActiveTexture = ((PFNGLACTIVETEXTUREPROC)wglGetProcAddress("glActiveTexture"));
+	PFNGLUNIFORM1IPROC glUniform1i = ((PFNGLUNIFORM1IPROC)wglGetProcAddress("glUniform1i"));
+	PFNGLGETUNIFORMLOCATIONPROC glGetUniformLocation = ((PFNGLGETUNIFORMLOCATIONPROC)wglGetProcAddress("glGetUniformLocation"));
+
+	GLuint hexGridTex, shapesTex, particlesTex;
+	glGenTextures(1, &hexGridTex);
+	glBindTexture(GL_TEXTURE_2D, hexGridTex);
+
+	glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA32F, GRID, GRID, 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);
+
+	/*
+	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);
 	*/
-	float vec3ShapeArray[5][3] = {
-		{ 0.0f, 0.0f, 0.0f },
-		{ 0.0f, 0.0f, 0.0f },
-		{ 0.0f, 0.0f, 0.0f },
-		{ 0.0f, 0.0f, 0.0f },
-		{ 0.0f, 0.0f, 0.0f }
-		};
 
-	float test[3] = { 0.0f, 0.0f, 0.0f }; // test float of one shape
+	glGenTextures(1, &particlesTex);
+	glBindTexture(GL_TEXTURE_2D, particlesTex);
+
+	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);
+
 	
 	int currentShape = 0; // mark location which shape we are currently building
+	float shapeIncrement = 0.15f;
+	float shapeLastNote = 0.0f;
 
-	boolean isPlaying = false;
 
-	float lastPlayPos = 0;
+	int currentParticle = 0; // mark location which shape we are currently building
-	float lastNote = 0.0f;
+	float particleIncrement = 3.0f;
-
+	float particleLastNote = 0.0f;
-	/*GLfloat shapes[5][3] = {
-	{ 0.0f, 0.0f, 0.0f },
-	{ 0.0f, 0.0f, 0.0f },
-	{ 0.0f, 0.0f, 0.0f },
-	{ 0.0f, 0.0f, 0.0f },
-	{ 0.0f, 0.0f, 0.0f }
-	};*/
 
 	do
 	{
@@ -238,6 +282,8 @@ int __cdecl main(int argc, char* argv[])
 			syncs[i + 1] = syncBuf[(playCursor / (2 * sizeof(SUsample)) >> 8) * SU_NUMSYNCS + i];
 		}
 
+
+		/*
 		//////////////////////////////////////////////////////
 		// Shape builder
 		//////////////////////////////////////////////////////
@@ -245,70 +291,174 @@ int __cdecl main(int argc, char* argv[])
 		// 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 shapeCaptureSync = syncs[5];
 
-		float captureSync = 0.0;
+		// Detect note change to start a new shape
+		bool shapeNoteChanged = (shapeCaptureSync - shapeLastNote) * (shapeCaptureSync - shapeLastNote) > 0.0001f;
+		shapeLastNote = shapeCaptureSync;
 
-		if (captureSync >= 0.001f) {
+		// If note changed and value is significant, start new shape
-			isPlaying = true;
+		if (shapeCaptureSync > 0.001f && shapeNoteChanged) {
+			int index = currentShape * 4;
+
+			// Reset and activate current shape
+			shapesData[index + 0] = 0.0f;            // x start
+			shapesData[index + 1] = shapeCaptureSync;     // 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*SHAPES);
 		}
 
-		//if (isPlaying) {
+		// Move active shapes
-			vec3ShapeArray[currentShape][1] = captureSync;
+		for (int i = 0; i < SHAPES*SHAPES; ++i) {
-			vec3ShapeArray[currentShape][2] = vec3ShapeArray[currentShape][2] + shapeIncrement;
+			int index = i * 4;
 
-			test[0] = test[0] + shapeIncrement; // x position
+			// Check if shape is active
-			test[1] = captureSync; // y position
+			if (shapesData[index + 3] > 0.5f) {
-			test[2] = 0.3f; // length
+				// Move shape right
-		//}
+				shapesData[index + 0] += shapeIncrement;
 
+				// Update y (optional, reflect live audio)
+				//shapesData[index + 1] = captureSync;
 
-		// when note changes -- reset
+				// Optional: grow z value to show duration
-		if (lastNote != captureSync) {
+				//shapesData[index + 2] += shapeIncrement * 0.2f;
-			test[1] = 0.1f;
-			test[2] = 0.0f;
-			lastNote = captureSync;
-		}
 
-		// shape mover, if the shape isnt the current one - move it
+				// If x exceeds max distance, deactivate and reset
-		for (int i = 0; i < SHAPES_SIZE; ++i) {
+				if (shapesData[index + 0] > MAX_DISTANCE) {
-			if (i != currentShape) {
+					shapesData[index + 0] = 0.0f;
-				vec3ShapeArray[i][0] = vec3ShapeArray[i][0] + shapeIncrement;
+					shapesData[index + 1] = 0.0f;
+					shapesData[index + 2] = 0.0f;
+					shapesData[index + 3] = 0.0f; // inactive
+				}
 			}
 		}
 
-		beenPlaying = isPlaying;
+		// Bind and update u_ShapesTex
+		glActiveTexture(GL_TEXTURE0 + 2);
+		glBindTexture(GL_TEXTURE_2D, shapesTex);
+		glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, SHAPES, SHAPES, GL_RGBA, GL_FLOAT, shapesData);
+		glUniform1i(glGetUniformLocation(pidMain, "u_ShapesTex"), 2);
+		*/
 
-		// go through the array and start from the first when all shapes have been used
+		//////////////////////////////////////////////////////
-		if (beenPlaying) {
+		// Particles Builder
-			if (currentShape <= SHAPES_SIZE) {
+		//////////////////////////////////////////////////////
-				++currentShape;
+
-			}
+		// if sound is playing, start a shape, if shape is already started - add length
-			else {
+		// if sound has stopped, end shape
-				currentShape = 0;
+		// if shape is finished, move shape forward
+		float particleCaptureSync = syncs[5];
+
+		// Detect note change to start a new shape
+		bool particleNoteChanged = (particleCaptureSync - particleLastNote) * (particleCaptureSync - particleLastNote) > 0.0001f;
+		particleLastNote = particleCaptureSync;
+
+		// If note changed and value is significant, start new shape
+		if (particleCaptureSync > 0.001f && particleNoteChanged) {
+			int index = currentParticle * 4;
+
+			// Reset and activate current shape
+			particlesData[index + 0] = 0.0f;            // x offset
+			particlesData[index + 1] = 0.0f;			// y offset
+			particlesData[index + 2] = 0.0f;            // z distance
+			particlesData[index + 3] = 1.0f;            // a active
+			
+			//particlesData2[currentParticle] = 0.0f; // reset progress/time!
+
+			// Advance to next shape slot (circular)
+			currentParticle = (currentParticle + 1) % (PARTICLES * PARTICLES);
+		}
+
+		// Move active shapes
+		for (int i = 0; i < (PARTICLES * PARTICLES); ++i) {
+			int index = i * 4;
+
+			// Check if shape is active
+			if (particlesData[index + 3] > 0.5f) {
+				// Move shape
+				particlesData[index + 2] += particleIncrement;
+
+				// 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 (particlesData[index + 2] > PARTICLES_DISTANCE) {
+					particlesData[index + 0] = 0.0f;
+					particlesData[index + 1] = 0.0f;
+					particlesData[index + 2] = 0.0f;
+					particlesData[index + 3] = 0.0f; // inactive
+				}
 			}
 		}
 
-		float flatShapes[15] = {
+		// Bind and update u_ParticlesTex
-			vec3ShapeArray[0][0], vec3ShapeArray[0][1], vec3ShapeArray[0][2],
+		glActiveTexture(GL_TEXTURE0 + 3);
-			vec3ShapeArray[1][0], vec3ShapeArray[1][1], vec3ShapeArray[1][2],
+		glBindTexture(GL_TEXTURE_2D, particlesTex);
-			vec3ShapeArray[2][0], vec3ShapeArray[2][1], vec3ShapeArray[2][2],
+		glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, PARTICLES, PARTICLES, GL_RGBA, GL_FLOAT, particlesData);
-			vec3ShapeArray[3][0], vec3ShapeArray[3][1], vec3ShapeArray[3][2],
+		glUniform1i(glGetUniformLocation(pidMain, "u_ParticlesTex"), 3);
-			vec3ShapeArray[4][0], vec3ShapeArray[4][1], vec3ShapeArray[4][2]
+		//glUniform1fvProc(700, PARTICLES*PARTICLES, particlesData2);
-		};
 
-		PFNGLUNIFORM3FVPROC glUniform3fvProc = ((PFNGLUNIFORM3FVPROC)wglGetProcAddress("glUniform3fv"));
+		//PFNGLUNIFORM3FVPROC glUniform3fvProc = ((PFNGLUNIFORM3FVPROC)wglGetProcAddress("glUniform3fv"));
-		glUniform3fvProc(10, 3, flatShapes); // array of shapes
+		//glUniform3fvProc(600, 1, flatShapes); // array of shapes
-		glUniform3fvProc(40, 1, test); // test shape
+		//glUniform3fvProc(700, 1, test); // test shape
 		
-        PFNGLUNIFORM1FVPROC glUniform1fvProc = ((PFNGLUNIFORM1FVPROC)wglGetProcAddress("glUniform1fv"));
 		glUniform1fvProc(0, SU_NUMSYNCS + 1, syncs);
-		glUniform1fvProc(8, FFT_SIZE / 4, fft_uniform);
+		glUniform1fvProc(20, FFT_SIZE / 4, fft_uniform);
+
+		//////////////////////////////////////////////////////
+		// Hex Grid Builder
+		//////////////////////////////////////////////////////
+
+		float gap = 0.3f;
+
+		float cellW = 1.6f + 0.2f;   // flat-to-flat width
+		float cellH = (sqrtf(3.0f) / 2.0f) * cellW; // height based on regular hex geometry
+
+		float horizontalSpacing = 0.75f * cellW * (1.0f + gap); // 3/4 of width per column
+		float verticalSpacing = cellH * (1.0f + gap);           // full height per row
+		
+		float rippleCenterX = 7.0f;
+		float rippleCenterY = 7.0f;
+
+		Vec3 gridOffset = { horizontalSpacing * (GRID - 1) * 0.24f, -5.0f, verticalSpacing * (GRID - 1) * 0.24f };
+
+		for (int j = 0; j < GRID; ++j) {
+			for (int i = 0; i < GRID; ++i) {
+				// Offset every other column vertically
+				float offsetZ = (i % 2 == 0) ? 0.0f : 0.5f * verticalSpacing;
+
+				float x = i * horizontalSpacing;
+				float z = j * verticalSpacing + offsetZ;
+				float y = 0.0f;
+
+				Vec3 hexPos = { x - gridOffset.x, y - gridOffset.y, z - gridOffset.z };
+
+				float dx = (float)i - rippleCenterX;
+				float dy = (float)j - rippleCenterY;
+				float hexDist = sqrtf(dx * dx + dy * dy);
+
+				int idx = (j * GRID + i) * 4;
+				hexGridData[idx + 0] = hexPos.x;
+				hexGridData[idx + 1] = hexPos.y;
+				hexGridData[idx + 2] = hexPos.z;
+				hexGridData[idx + 3] = hexDist;
+			}
+		}
+		
+		// Bind and update u_hexGridTex
+		glActiveTexture(GL_TEXTURE0 + 1);
+		glBindTexture(GL_TEXTURE_2D, hexGridTex);
+		glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, GRID, GRID, GL_RGBA, GL_FLOAT, hexGridData);
+		glUniform1i(glGetUniformLocation(pidMain, "u_hexGridTex"), 1);
 
 		glRects(-1, -1, 1, 1);
 
-		//syncs[0] = -syncs[0];
-		//glUniform1fvProc(0, SU_NUMSYNCS + 1, syncs);
-
 		// render "post process" using the opengl backbuffer
 		#if POST_PASS
 			glBindTexture(GL_TEXTURE_2D, 1);

src/shaders/fragment.frag

@@ -7,9 +7,25 @@ const float PHI = sqrt(5.) * 0.5 + 0.5;
 layout(location = 0) uniform float syncs[12];
 layout(location = 20) uniform float fft_output[512]; // FFT_SIZE / 4
 layout(location = 600) uniform vec3 shapes[15]; // shapes - x = horizontal position, y = vertical position, z = length
-layout(location = 700) uniform vec3 test; // shapes test
+//layout(location = 700) uniform float particlesData2[256]; // additional particles data for distance
+layout(binding = 1) uniform sampler2D u_hexGridTex; //uniform sampler2D u_fft_texture;
+//layout(binding = 0) uniform sampler2D u_ShapesTex; // uniform sampler2D shapes texture
+layout(binding = 3) uniform sampler2D u_ParticlesTex; // uniform sampler2D particles texture
 float u_time = syncs[0];
 
+vec3 palette(float t){
+  vec3 a=vec3(0.46,0.2,0.94);
+  vec3 b=vec3(0.66,0.64,0.77);
+  vec3 c=vec3(0.91,0.62,0.97);
+  vec3 d=vec3(0.26,0.2,0.84);
+  return a+b*cos(6.28318*(c*t+d));
+}
+
+// Or 2D version
+float hash(vec2 p) {
+    return fract(sin(dot(p, vec2(127.1, 311.7))) * 43758.5453123);
+}
+
 vec2 getUV() {
     const vec2 scale = vec2(0.00104166667, 0.00185185185);
     return gl_FragCoord.xy * scale - 1.0;
@@ -114,9 +130,82 @@ vec2 mapScene(in vec3 p) {
     }
     */
     // main note effect shapes
-    res = opU( res, vec2( sdSphere(p- vec3(2.0 + test.x, 4. + test.y, 0.0), 2. ), 1.));
+   // res = opU( res, vec2( sdSphere(p- vec3(2.0 + (test.x * 2.), 12. + (test.y * 10.), 0.0), 0.2 ), 1.));
 
+   /*
+    float gridSize = 16.0; // or GRID if you want full size
+    //float hexGap = 0.2;
 
+    for(float j = 0.; j < gridSize; j++) {
+        for(float i = 0.; i < gridSize; i++) {
+            ivec2 texSize = textureSize(u_hexGridTex, 0);
+            vec2 texCoord = (vec2(i, j)) / vec2(texSize);
+
+            vec4 hexData = texture(u_hexGridTex, texCoord); // RGBA: x, y, z, dist
+
+            vec3 hexPos = hexData.rgb;
+            float hexDist = hexData.a;
+
+            // Optionally use hexDist for ripple effect with FFT
+            int index = clamp(int((hexDist / 34.)*512.), 0, 511);
+            float hexSize = getScaledFFT(index, 15. ,0.);
+            float a = sdHex(p - hexPos, 1.0 + hexSize, 0.0);
+            res = opU(res, vec2(a, 1.));
+        }
+    }
+   */
+   /*
+    float gridSize2 = 16.;
+    for(float j = 0.; j < gridSize2; j++) {
+        for(float i = 0.; i < gridSize2; i++) {
+            vec2 texCoord = (vec2(i, j) + 0.5) / float(gridSize2);
+            vec4 shapeData = texture(u_ShapesTex, texCoord); // RGBA: x, y, length, active
+
+            float shapeActive = shapeData.a;
+            if(shapeActive < 0.5) continue;
+
+            vec3 shapePos = p - vec3(-70.0 + (shapeData.x * 2.), 12. + (shapeData.y * 80.), 0.0);
+
+            float a = sdSphere(shapePos, 0.8);
+
+            res = opU(res, vec2(a, 1.));
+        }
+    }
+    */
+    /*
+    float maxRadius = 40.;     // Circle radius
+    float sphereRadius = 0.3;
+    int index = 0;
+    
+    float gridSize3 = 16.;
+    for(float j = 0; j < gridSize3; j++) {
+        for(float i = 0; i < gridSize3; i++) {
+            vec2 texCoord = (vec2(i, j) + 0.5) / float(gridSize3);
+            vec4 particleData = texture(u_ParticlesTex, texCoord); // RGBA: x, y, distance, active
+            float particleActive = particleData.a;
+          
+            if(particleData.z < 0.5) continue;
+
+            // Map param to angle
+            float particleStartPos = hash(vec2(j, i)) * 2.0 * PI;
+         
+            // Direction from center to initial circle position (in XY plane)
+            vec3 dir = normalize(vec3(cos(particleStartPos), 0.0, sin(particleStartPos))); // XZ direction
+
+            float r = max(maxRadius - particleData.z, -maxRadius);
+
+            float offsetFactor = 15.;
+            vec3 particleOffset = vec3(hash(vec2(i, j)) * offsetFactor , 4., hash(vec2(j, i)) * offsetFactor); // particle offset
+
+            // Final object position = center (offset) + radial movement
+            vec3 center = particleOffset;           // Circle center
+            vec3 objPos = center + dir * r;         // Object slides inward
+            res = opU(res, vec2(sdSphere(p - objPos, sphereRadius), 1.));
+
+            index++;
+        }
+    }
+ */
     return res;
 }
 
@@ -135,7 +224,7 @@ vec3 castRay(vec3 ro, vec3 rd, inout vec3 pos) {
         // Increase step size multiplier for faster marching
         t += res.x;
         mat = res.y;
-        if(t > 100.) { // Reduced max distance
+        if(t > 600.) { // Reduced max distance
             break;
         }
         if(res.x < 0.001 * t) { // Less precise hit detection
@@ -143,8 +232,9 @@ vec3 castRay(vec3 ro, vec3 rd, inout vec3 pos) {
             break;
         }
     }
-    if (t > 100.)
+    // This will break fog effect
-        t = 0.;
+    //if (t > 100.)
+    //    t = 0.;
 
     return vec3(t, mat, hit);
 }
@@ -205,6 +295,50 @@ vec3 addPointLight(vec3 lightPos, vec3 lightColor, float intensity, vec3 worldPo
     return (diffuse + specular * fresnel) * shadow;
 }
 
+vec3 applyFog(vec3 col, float t, vec3 rd, vec3  lightDir, float b ) {
+
+    float syncsBass = clamp((syncs[1] + syncs[2] + syncs[3]), 0., 1.);
+
+    float fogAmount = 1.0 - exp(-t*b);
+    float sunAmount = max( dot(rd, lightDir), 0.0 );
+    vec3  fogColor  = mix( vec3(0.2667, 0.2941, 0.3451), // blue
+                           vec3(0.302, 0.3176, 0.3725), // yellow
+                           pow(sunAmount, syncsBass * 5.0) );
+    return mix( col, fogColor, fogAmount );
+}
+
+// Point light with no shadow and radius based falloff
+vec3 addPointLightNoShadow(vec3 lightPos, vec3 lightColor, float intensity, float radius, vec3 worldPos, vec3 viewDir, vec3 normal, float roughness) {
+    // Light vector from surface to light
+    vec3 lightDir = lightPos - worldPos;
+    float lightDistance = length(lightDir);
+    lightDir = normalize(lightDir);
+
+    // Attenuation (radius based falloff)
+    float attenuation = clamp(intensity - lightDistance*lightDistance/(radius*radius), 0.0, 1.0);
+   
+    // Diffuse lighting (Lambert)
+    float NdotL = max(dot(normal, lightDir), 0.0);
+    vec3 diffuse = lightColor * NdotL * attenuation;
+
+    // Specular lighting (Blinn-Phong)
+    vec3 halfDir = normalize(lightDir + (-viewDir));
+    float NdotH = max(dot(normal, halfDir), 0.0);
+    float shininess = mix(128.0, 8.0, roughness); // Convert roughness to shininess
+    vec3 specular = lightColor * pow(NdotH, shininess) * attenuation;
+
+    // Fresnel effect
+    vec3 F0 = vec3(0.04); // Base reflectance for dielectrics
+    vec3 fresnel = F0 + (1.0 - F0) * pow(clamp(1.0 - max(dot(halfDir, lightDir), 0.0), 0.0, 1.0), 5.0);
+
+    // Soft shadows
+    //float shadow = softshadow(worldPos + normal * 0.01, lightDir, 0.02, lightDistance, 4.0);
+
+    // Combine diffuse and specular with shadow
+    return diffuse + specular * fresnel;
+}
+
+
 /*vec3 addPointLight(vec3 lightPos, vec3 lightColor, float intensity, vec3 worldPos, vec3 viewDir, vec3 normal) {
     vec3 lightDir = normalize(lightPos - worldPos);
     float lightDistance = length(lightPos - worldPos);
@@ -230,7 +364,7 @@ vec3 addPointLight(vec3 lightPos, vec3 lightColor, float intensity, vec3 worldPo
 vec3 shading(vec3 v, vec3 n, vec3 dir, float material) {
     float shininess = 0.01;
 
-    vec3 outMaterial = vec3(0.0, 0.0, 0.0);
+    vec3 outMaterial = vec3(0.);
 
     if(material == 0.) {
         outMaterial = vec3(0.8314, 0.2941, 0.2941);
@@ -254,11 +388,71 @@ vec3 shading(vec3 v, vec3 n, vec3 dir, float material) {
 
     vec3 lights = vec3(0.);
     lights += addPointLight(vec3(0., 40.0, -10.), vec3(0.77, 0.26, 0.73), 30.0, v, dir, n, shininess);
-    lights += addPointLight(vec3(0., 6.0, -5.0), vec3(0.08, 0.62, 0.75), 20.0, v, dir, n, shininess);
-    //lights += addPointLight(vec3(0., 25.0, 0.0), vec3(0.5137, 0.1961, 0.7725), 3.0, v, dir, n, shininess);
-
     lights += addPointLight(vec3(0., 20.0, 15.), vec3(0.77, 0.26, 0.73), 30.0, v, dir, n, shininess);
 
+    // LIGHTS IN HEX GRID PATTERN
+    /*
+    float gridsize = 16.0; // or GRID if you want full size
+    vec3 p = vec3(0.);
+    for(float j = 0.; j < gridsize; j++) {
+        for(float i = 0.; i < gridsize; i++) {
+            ivec2 texSize = textureSize(u_hexGridTex, 0);
+            vec2 texCoord = (vec2(i, j)) / vec2(texSize);
+
+            vec4 hexData = texture(u_hexGridTex, texCoord); // RGBA: x, y, z, dist
+
+            vec3 hexPos = hexData.rgb;
+            float hexDist = hexData.a;
+
+            // Optionally use hexDist for ripple effect with FFT
+            int index = clamp(int((hexDist / 34.)*512.), 0, 511);
+            float hexSize = getScaledFFT(index, 15. ,0.);
+            //float a = sdHex(p - hexPos, 1.0 + hexSize, 0.0);
+
+            lights += addPointLightNoShadow(vec3(hexPos.x, (hexPos.y + hexSize) + 2., hexPos.z), palette(hexSize* 1.5), clamp(hexSize * 5., 0., 1.), 3.4 ,v, dir, n, shininess);
+        }
+    }
+    */
+
+    // LIGHTS WITH PARTICLES
+    float maxRadius = 40.;     // Circle radius
+    float sphereRadius = 0.7;
+    int index = 0;
+    float particleHeight = 4.;
+    
+    float gridSize3 = 16.;
+    for(float j = 0; j < gridSize3; j++) {
+        for(float i = 0; i < gridSize3; i++) {
+            vec2 texCoord = (vec2(i, j) + 0.5) / float(gridSize3);
+            vec4 particleData = texture(u_ParticlesTex, texCoord); // RGBA: x, y, distance, active
+            float particleActive = particleData.a;
+          
+            if(particleData.z < 0.5) continue;
+
+            // Map param to angle
+            float particleStartPos = hash(vec2(j, i)) * 2.0 * PI;
+         
+            // Direction from center to initial circle position (in XY plane)
+            vec3 dir = normalize(vec3(cos(particleStartPos), 0.0, sin(particleStartPos))); // XZ direction
+
+            float r = max(maxRadius - particleData.z, -maxRadius);
+
+            float offsetFactor = 15.;
+            vec3 particleOffset = vec3(hash(vec2(i, j)) * offsetFactor , particleHeight, hash(vec2(j, i)) * offsetFactor); // particle offset
+
+            // Final object position = center (offset) + radial movement
+            vec3 center = particleOffset;           // Circle center
+            vec3 objPos = center + dir * r;         // Object slides inward
+            //res = opU(res, vec2(sdSphere(p - objPos, sphereRadius), 1.));
+
+            lights += addPointLight(objPos, palette(i + j), 3.0, v, dir, n, shininess);
+            //lights += addPointLightNoShadow(objPos, palette(i + j), 10. , 20. ,v, dir, n, shininess);
+
+            index++;
+        }
+    }
+
+
     vec3 lightDir = vec3(0., 1., -3);
     //float sun_dif = clamp(dot(n, lightDir), 0., 1.);
     //float shadow = softshadow(v + n * 0.01, lightDir, .01, 30., 18.);
@@ -267,7 +461,9 @@ vec3 shading(vec3 v, vec3 n, vec3 dir, float material) {
     float ind = clamp(dot(n, normalize(lightDir * vec3(.0, -1.0, -2.0))), 0.0, 1.0);
     lights += vec3(0.08, 0.62, 0.75) * ind * 0.8;
 
-    return outMaterial * max(vec3(0.), lights);
+    outMaterial *= max(vec3(0.), lights); // output with lights;
+
+    return outMaterial;
 }
 
 vec3 postProcess(vec3 col) {
@@ -318,8 +514,8 @@ vec3 getCameraRayDir(vec2 uv, vec3 camPos, vec3 camTarget, float fov)
 
 vec3 render(vec2 uv) {
 
-    vec3 camPos = vec3(0.0, 20.0, -10.0);
+    vec3 camPos = vec3(-10.0, 20.0, -20.0);
-    vec3 camTarget = vec3(0.0, -1.0, 10.0); // Adjust target as needed
+    vec3 camTarget = vec3(0.0, 10.0, 0.0); // Adjust target as needed
     float fov = 1.0;
 
     vec3 rayDir = getCameraRayDir(uv, camPos, camTarget, fov);
@@ -333,12 +529,53 @@ vec3 render(vec2 uv) {
         vec3 nor = calcNormal(hitPos);
         col = shading(hitPos, nor, rayDir, t.y);
     }
+    /*
+    //glow from the bottom
+    vec3 bGlowColor = palette(clamp((syncs[1] + syncs[2] + syncs[3]), 0., 1.)); // color change
+    float bGlowDistance = 0.3;
+    vec3 p = camPos + t.x * rayDir;
 
+    vec3 bGlowLevel = bGlowColor * exp(-(p.y + 0.0) / bGlowDistance) * 9900.;
+    col += bGlowLevel;
+    col = clamp(mix(bGlowLevel, col, t.z), 0.0, 1.0);
+   
+     */
+    // distance fog + bass thunder
+    float fogAmount = 0.01;
+    col = col *exp(-t.x*fogAmount) + applyFog(col, t.x, rayDir, vec3(0., -0.5, 1.8), fogAmount) * (1.0-exp(-t.x*fogAmount));
     return col;
 }
 
+
 void main() {
     vec3 finalColor = render(getUV());
     //finalColor = postProcess(finalColor);
     o = vec4(finalColor, 1.);
 }
+
+/*
+vec3 render2(vec2 uv, float time) {
+    
+    vec3 res = vec3(.0);
+
+    float pos = syncs[5];
+    if (uv.x >= pos && uv.x <= pos+0.01 ) {
+        res += vec3(1.);
+    }
+    
+    //if (uv.x >= 0.0 && uv.x <= 0.01 ) {
+    //    res += vec3(abs(syncs[4]*2));
+    //}
+    
+    //res += vec3(0.1, 0.2, 0.3) * abs(syncs[2]*1.2);
+    
+    return res;
+}
+
+
+void main() {
+  	vec2 uv = gl_FragCoord.xy * 2. / vec2(1920,1080);
+    vec3 col = render2(uv, u_time);
+    o = vec4(col,1.0);
+}
+*/

src/shaders/fragment.inl

@@ -1,126 +1,138 @@
 // Generated with Shader Minifier 1.5.1 (https://github.com/laurentlb/Shader_Minifier/)
 #ifndef FRAGMENT_INL_
 # define FRAGMENT_INL_
-# define VAR_fft_output "m"
+# define VAR_fft_output "n"
 # define VAR_o "f"
-# define VAR_shapes "C"
+# define VAR_shapes "s"
-# define VAR_syncs "i"
+# define VAR_syncs "m"
-# define VAR_test "k"
+# define VAR_u_ParticlesTex "d"
+# define VAR_u_hexGridTex "k"
 
 const char *fragment_frag =
  "#version 460\n"
  "precision mediump float;"
  "out vec4 f;"
- "const float n=2.*acos(-1.),v=sqrt(5.)*.5+.5;"
+ "const float i=2.*acos(-1.),v=sqrt(5.)*.5+.5;"
- "layout(location=0)uniform float i[12];"
+ "layout(location=0)uniform float m[12];"
- "layout(location=20)uniform float m[512];"
+ "layout(location=20)uniform float n[512];"
- "layout(location=600)uniform vec3 C[15];"
+ "layout(location=600)uniform vec3 s[15];"
- "layout(location=700)uniform vec3 k;"
+ "layout(binding=1)uniform sampler2D k;"
- "float F=i[0];"
+ "layout(binding=3)uniform sampler2D d;"
- "vec2 t(vec2 i,vec2 k)"
+ "float g=m[0];"
+ "float t(vec2 v)"
  "{"
-   "return i.x<k.x?"
+   "return fract(sin(dot(v,vec2(127.1,311.7)))*43758.5453123);"
-     "i:"
-     "k;"
  "}"
  "vec2 t(vec3 v)"
  "{"
-   "return t(vec2(v.y,0),vec2(length(v-vec3(2.+k.x,4.+k.y,0))-2.,1));"
+   "return vec2(v.y,0);"
  "}"
- "vec3 t(vec3 v,vec3 i,inout vec3 f)"
+ "vec3 t(vec3 v,vec3 x,inout vec3 f)"
  "{"
-   "float k=0.,n=0.,y=0.;"
+   "float i=0.,e=0.,y=0.;"
-   "for(int e=0;e<30;e++)"
+   "for(int n=0;n<30;n++)"
      "{"
-       "f=v+i*k;"
+       "f=v+x*i;"
        "vec2 m=t(f);"
-       "k+=m.x;"
+       "i+=m.x;"
-       "n=m.y;"
+       "e=m.y;"
-       "if(k>1e2)"
+       "if(i>6e2)"
          "break;"
-       "if(m.x<.001*k)"
+       "if(m.x<.001*i)"
          "{"
            "y=1.;"
            "break;"
          "}"
      "}"
-   "if(k>1e2)"
+   "return vec3(i,e,y);"
-     "k=0.;"
-   "return vec3(k,n,y);"
  "}"
  "float t(vec3 v,vec3 i,float f)"
  "{"
-   "float k=1.,y=.02;"
+   "float m=1.,y=.02;"
-   "for(int e=0;e<6;e++)"
+   "for(int n=0;n<6;n++)"
      "{"
        "if(y>f)"
          "break;"
-       "float n=t(v+y*i).x;"
+       "float d=t(v+y*i).x;"
-       "k=min(k,n/(4.*y));"
+       "m=min(m,d/(4.*y));"
-       "y+=clamp(n,.1,.8);"
+       "y+=clamp(d,.1,.8);"
-       "if(k<-1.)"
+       "if(m<-1.)"
          "break;"
      "}"
-   "k=max(k,-1.);"
+   "m=max(m,-1.);"
-   "return.25*(1.+k)*(1.+k)*(2.-k);"
+   "return.25*(1.+m)*(1.+m)*(2.-m);"
  "}"
- "vec3 e(vec3 v)"
+ "vec3 x(vec3 v)"
  "{"
-   "vec2 k=vec2(.01,0);"
+   "vec2 m=vec2(.01,0);"
-   "return normalize(vec3(t(v+k.xyy).x-t(v-k.xyy).x,t(v+k.yxy).x-t(v-k.yxy).x,t(v+k.yyx).x-t(v-k.yyx).x));"
+   "return normalize(vec3(t(v+m.xyy).x-t(v-m.xyy).x,t(v+m.yxy).x-t(v-m.yxy).x,t(v+m.yyx).x-t(v-m.yyx).x));"
  "}"
- "vec3 e(vec3 v,vec3 k,float i,vec3 m,vec3 f,vec3 n,float y)"
+ "vec3 t(vec3 v,vec3 m,float i,vec3 d,vec3 f,vec3 x,float y)"
  "{"
-   "v-=m;"
+   "v-=d;"
-   "float e=length(v);"
+   "float n=length(v);"
    "v=normalize(v);"
-   "i/=1.+.09*e+.032*e*e;"
+   "i/=1.+.09*n+.032*n*n;"
-   "float F=max(dot(n,v),0.);"
+   "float g=max(dot(x,v),0.);"
    "f=normalize(v-f);"
-   "vec3 r=vec3(.04);"
+   "vec3 e=vec3(.04);"
-   "r+=(1.-r)*pow(clamp(1.-max(dot(f,v),0.),0.,1.),5.);"
+   "e+=(1.-e)*pow(clamp(1.-max(dot(f,v),0.),0.,1.),5.);"
-   "e=t(m+n*.01,v,e);"
+   "n=t(d+x*.01,v,n);"
-   "return(k*F*i+k*pow(max(dot(n,f),0.),mix(128.,8.,y))*i*r)*e;"
+   "return(m*g*i+m*pow(max(dot(x,f),0.),mix(128.,8.,y))*i*e)*n;"
  "}"
- "vec3 e(vec3 v,vec3 i,vec3 f,float k)"
+ "vec3 t(vec3 v,vec3 f,vec3 i,float m)"
  "{"
-   "float n=.01;"
+   "float y=.01;"
-   "vec3 y=vec3(0);"
+   "vec3 n=vec3(0);"
-   "if(k==0.)"
+   "if(m==0.)"
-     "y=vec3(.8314,.2941,.2941),n=.1;"
+     "n=vec3(.8314,.2941,.2941),y=.1;"
-   "else if(k==1.)"
+   "else if(m==1.)"
-     "y=vec3(.6196,.6118,.6118),n=.7;"
+     "n=vec3(.6196,.6118,.6118),y=.7;"
-   "else if(k==2.)"
+   "else if(m==2.)"
-     "y=vec3(.3255,.4784,.3255),n=.2;"
+     "n=vec3(.3255,.4784,.3255),y=.2;"
-   "else if(k==3.)"
+   "else if(m==3.)"
-     "y=vec3(.2471,.3059,.6314),n=1.;"
+     "n=vec3(.2471,.3059,.6314),y=1.;"
-   "else if(k==4.)"
+   "else if(m==4.)"
-     "y=vec3(.9961,1,.9922),n=.1;"
+     "n=vec3(.9961,1,.9922),y=.1;"
-   "else if(k==5.)"
+   "else if(m==5.)"
-     "y=vec3(.9961,1,.9922),n=.3;"
+     "n=vec3(.9961,1,.9922),y=.3;"
-   "v=vec3(0)+e(vec3(0,40,-10),vec3(.77,.26,.73),30.,v,f,i,n)+e(vec3(0,6,-5),vec3(.08,.62,.75),20.,v,f,i,n)+e(vec3(0,20,15),vec3(.77,.26,.73),30.,v,f,i,n)+vec3(.08,.62,.75)*clamp(dot(i,normalize(vec3(0,1,-3)*vec3(0,-1,-2))),0.,1.)*.8;"
+   "vec3 e=vec3(0)+t(vec3(0,40,-10),vec3(.77,.26,.73),30.,v,i,f,y)+t(vec3(0,20,15),vec3(.77,.26,.73),30.,v,i,f,y);"
-   "return y*max(vec3(0),v);"
+   "int g=0;"
+   "for(float m=0;m<16.;m++)"
+     "for(float i=0;i<16.;i++)"
+       "{"
+         "vec2 n=(vec2(i,m)+.5)/float(16.);"
+         "vec4 x=texture(d,n);"
+         "if(x.z<.5)"
+           "continue;"
+         "float s=t(vec2(m,i))*2.*acos(-1.);"
+         "vec3 c=normalize(vec3(cos(s),0,sin(s))),l=vec3(t(vec2(i,m))*15.,4,t(vec2(m,i))*15.);"
+         "e+=t(l+c*max(40.-x.z,-40.),vec3(.46,.2,.94)+vec3(.66,.64,.77)*cos(6.28318*(vec3(.91,.62,.97)*(i+m)+vec3(.26,.2,.84))),3.,v,c,f,y);"
+         "g++;"
+       "}"
+   "e+=vec3(.08,.62,.75)*clamp(dot(f,normalize(vec3(0,1,-3)*vec3(0,-1,-2))),0.,1.)*.8;"
+   "return n*max(vec3(0),e);"
  "}"
- "vec3 e(vec2 k,vec3 v)"
+ "vec3 t(vec2 m,vec3 v)"
  "{"
-   "v=normalize(vec3(0,-1,10)-v);"
+   "v=normalize(vec3(0,10,0)-v);"
-   "vec3 n=normalize(cross(vec3(0,1,0),v));"
+   "vec3 y=normalize(cross(vec3(0,1,0),v));"
-   "return normalize(v+k.x*n+k.y*cross(v,n));"
+   "return normalize(v+m.x*y+m.y*cross(v,y));"
  "}"
- "vec3 e(vec2 v)"
+ "vec3 x(vec2 v)"
  "{"
-   "vec3 k=vec3(0,20,-10),n=e(v,k),f=vec3(0),y=vec3(0);"
+   "vec3 f=vec3(-10,20,-20),y=t(v,f),i=vec3(0),n=vec3(0);"
-   "k=t(k,n,y);"
+   "f=t(f,y,n);"
-   "if(k.x>0.)"
+   "if(f.x>0.)"
      "{"
-       "vec3 v=e(y);"
+       "vec3 v=x(n);"
-       "f=e(y,v,n,k.y);"
+       "i=t(n,v,y,f.y);"
      "}"
-   "return f;"
+   "return i*exp(-f.x*.01)+mix(i,mix(vec3(.2667,.2941,.3451),vec3(.302,.3176,.3725),pow(max(dot(y,vec3(0,-.5,1.8)),0.),clamp(m[1]+m[2]+m[3],0.,1.)*5.)),1.-exp(-f.x*.01))*(1.-exp(-f.x*.01));"
  "}"
  "void main()"
  "{"
-   "vec3 v=e(gl_FragCoord.xy*vec2(.00104166667,.00185185185)-1.);"
+   "vec3 v=x(gl_FragCoord.xy*vec2(.00104166667,.00185185185)-1.);"
    "f=vec4(v,1);"
  "}";
 

src/sointu/song.h

@@ -13,7 +13,7 @@
 #define SU_LENGTH_IN_PATTERNS   108
 #define SU_LENGTH_IN_ROWS       (SU_LENGTH_IN_PATTERNS*SU_PATTERN_SIZE)
 #define SU_SAMPLES_PER_ROW      (SU_SAMPLE_RATE*60/(SU_BPM*SU_ROWS_PER_BEAT))
-#define SU_NUMSYNCS             12
+#define SU_NUMSYNCS             11
 #define SU_SYNCBUFFER_LENGTH    ((SU_LENGTH_IN_SAMPLES+255)>>8)*SU_NUMSYNCS
 
 #include <stdint.h>