Some fixes for spectral mesh

shaders/fragment.glsl

@@ -40,7 +40,7 @@ vec3 hsv_to_rgb(float h, float s, float v)
 
 void main () {
     vec3 materialColor = hsv_to_rgb(zPos, 1, 1);
-	float diffuse = clamp(dot(normalize(norm), -normalize(vec3(0,0,1))), 0, 0.6);
+	float diffuse = clamp(dot(normalize(norm), -normalize(vec3(0,0,1))), 0.2, 0.6);
 	vec3 color = materialColor*diffuse;
 
 	frag_colour = vec4(color, 1.0);

src/GLObjects/Mesh.h

@@ -18,7 +18,6 @@ protected:
     std::vector<float> _xs;
     std::vector<float> _ys;
 	mutable std::vector<glm::vec3> _normals;
-	mutable std::array<glm::vec3, 6> _adjacentTriangles;
 
 public:
 	Mesh(ShaderProgram* shader, std::size_t size);
@@ -34,7 +33,6 @@ protected:
 
 protected:
 	virtual float heightMap(std::size_t nx, std::size_t ny) const = 0;
-    virtual float heightMap(float fx, float fy) const = 0;
 };
 
 

src/GLObjects/SpectralMesh.cpp

@@ -6,6 +6,13 @@ SpectralMesh::SpectralMesh(ShaderProgram *shader, std::size_t size): Mesh(shader
 	_data = new float[size*size];
 	_spectrLine = new float[2*size];
 	_spectrLineComplex = (fftwf_complex*)fftwf_malloc((_size + 1)*sizeof(fftwf_complex));
+
+    float step = 1.0f/size;
+    for(std::size_t i = 0; i < size; ++i) {
+        _xs[i] = log10f(step*i + 1) - 0.5f;
+        _ys[i] = step*i - 0.5f;
+        std::cout << "[" << _xs[i] << ", " << _ys[i] << "]" << std::endl;
+    }
 }
 
 SpectralMesh::~SpectralMesh() {
@@ -18,10 +25,6 @@ float SpectralMesh::heightMap(std::size_t nx, std::size_t ny) const {
 	return  *(_data + _size*ny + nx);
 }
 
-float SpectralMesh::heightMap(float, float) const {
-	return 0.f;
-}
-
 void SpectralMesh::addLine(float *line, std::size_t depth) {
 	fftwf_plan plan = fftwf_plan_dft_r2c_1d(2*_size, line, _spectrLineComplex, FFTW_ESTIMATE);
 	fftwf_execute(plan);

src/GLObjects/SpectralMesh.h

@@ -17,7 +17,6 @@ public:
 
 private:
 	float heightMap(std::size_t nx, std::size_t ny) const override final;
-	float heightMap(float fx, float fy) const override final;
 	void normalizeArray(float* array, std::size_t size);
 };
 

src/GLObjects/WaveMesh.cpp

@@ -7,12 +7,6 @@ float WaveMesh::heightMap(std::size_t nx, std::size_t ny) const {
     return cosf(d - _shift)*expf(-d/10.0f)/4;
 }
 
-[[deprecated]]
-float WaveMesh::heightMap(float fx, float fy) const {
-	float d = 50*sqrtf(fx*fx + fy*fy);
-	return cosf(d - _shift)*expf(-d/10.0f)/2;
-}
-
 void WaveMesh::setShift(float shift) {
 	_shift = shift;
 	update();

src/GLObjects/WaveMesh.h

@@ -15,7 +15,6 @@ public:
 
 private:
 	float heightMap(std::size_t nx, std::size_t ny) const override final;
-	float heightMap(float fx, float fy) const override final;
 };
 
 

src/OGL.cpp

@@ -1,6 +1,7 @@
 #include "OGL.h"
 #include "Camera.h"
 #include "utils.h"
+#include "GLObjects/WaveMesh.h"
 
 #include <iostream>
 #include <stdexcept>
@@ -149,7 +150,13 @@ void OGL::run() {
 		updateFpsCounter();
 		glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
 
+//        double time = glfwGetTime();
+//        float shift = (float)fmod(time, 2*3.1415926);
+
 		for(IGLObject* obj: _glObjects) {
+//            WaveMesh* mesh = dynamic_cast<WaveMesh*>(obj);
+//            mesh->setShift(shift*2);
+
 			//obj->scale(glm::vec3(1.0f, 1.0f, 1.0f));
 			obj->update();
 			obj->draw();

src/main.cpp

@@ -20,32 +20,32 @@ int main(int argc, char** argv) {
 		ShaderProgram program("../shaders/vertex.glsl", "../shaders/fragment.glsl");
 		OGL::instance()->setCurShaderProgram(&program);
 
-//		SpectralMesh mesh(&program, 512);
-        WaveMesh mesh(&program, 128);
+		SpectralMesh mesh(&program, 512);
+//        WaveMesh mesh(&program, 128);
 		mesh.create();
 		OGL::instance()->addObject(&mesh);
 
 		Camera::instance()->init();
 
-//		AudioPlayer player(musicFile);
-//		float* line = new float[2048];
-//		memset(line, 0, 2048);
-//		player.setStreamListener([&mesh, line](float *data, std::size_t framesCount, std::size_t depth, std::size_t channels) {
-//			memmove(line, line + 1024, 1024);
-//			if(channels > 1) { // if we have more than one channel, use the first
-//				for(std::size_t i = 0, j = 0; i < framesCount; i += channels, ++j) {
-//					line[1024 + j] = data[i];
-//				}
-//			} else {
-//				memcpy(line + 1024, data, 1024);
-//			}
-//
-//			mesh.addLine(line, depth);
-//			mesh.addLine(line + 256, depth);
-//			mesh.addLine(line + 512, depth);
-//			mesh.addLine(line + 768, depth);
-//		});
-//		player.play();
+		AudioPlayer player(musicFile);
+		float* line = new float[2048];
+		memset(line, 0, 2048);
+		player.setStreamListener([&mesh, line](float *data, std::size_t framesCount, std::size_t depth, std::size_t channels) {
+			memmove(line, line + 1024, 1024);
+			if(channels > 1) { // if we have more than one channel, use the first
+				for(std::size_t i = 0, j = 0; i < framesCount; i += channels, ++j) {
+					line[1024 + j] = data[i];
+				}
+			} else {
+				memcpy(line + 1024, data, 1024);
+			}
+
+			mesh.addLine(line, depth);
+			mesh.addLine(line + 256, depth);
+			mesh.addLine(line + 512, depth);
+			mesh.addLine(line + 768, depth);
+		});
+		player.play();
 
 		OGL::instance()->run();
 //		delete[] line;