tän pitäisi tehdä shapeja

src/main.cpp

@@ -127,6 +127,42 @@ int __cdecl main(int argc, char* argv[])
 	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
+	*
+	*/
+	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, 0.1f, 0.0f }; // test float of one shape
+
+	int currentShape = 0; // mark location which shape we are currently building
+	
+	boolean isPlaying = false;
+
+	float lastPlayPos = 0;
+	float lastNote = 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
 	{
 		direct_sound_buffer->GetCurrentPosition((DWORD*)&playCursor, NULL);
@@ -202,6 +238,68 @@ 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];
+
+		if (captureSync >= 0.001f) {
+			isPlaying = true;
+		}
+
+		if (isPlaying) {
+			vec3ShapeArray[currentShape][1] = captureSync;
+			vec3ShapeArray[currentShape][2] = vec3ShapeArray[currentShape][2] + shapeIncrement;
+
+			test[0] = captureSync; // y position
+			test[1] = test[1] + shapeIncrement; // x position
+			test[2] = 0.3f; // length
+		}
+
+
+		// when note changes -- reset
+		if (lastNote != captureSync) {
+			test[1] = 0.1f;
+			test[2] = 0.0f;
+			lastNote = captureSync;
+		}
+
+		// shape mover, if the shape isnt the current one - move it
+		for (int i = 0; i < SHAPES_SIZE; ++i) {
+			if (i != currentShape) {
+				vec3ShapeArray[i][0] = vec3ShapeArray[i][0] + shapeIncrement;
+			}
+		}
+
+		beenPlaying = isPlaying;
+
+		// go through the array and start from the first when all shapes have been used
+		if (beenPlaying) {
+			if (currentShape <= SHAPES_SIZE) {
+				++currentShape;
+			}
+			else {
+				currentShape = 0;
+			}
+		}
+
+		float flatShapes[15] = {
+			vec3ShapeArray[0][0], vec3ShapeArray[0][1], vec3ShapeArray[0][2],
+			vec3ShapeArray[1][0], vec3ShapeArray[1][1], vec3ShapeArray[1][2],
+			vec3ShapeArray[2][0], vec3ShapeArray[2][1], vec3ShapeArray[2][2],
+			vec3ShapeArray[3][0], vec3ShapeArray[3][1], vec3ShapeArray[3][2],
+			vec3ShapeArray[4][0], vec3ShapeArray[4][1], vec3ShapeArray[4][2]
+		};
+
+		PFNGLUNIFORM3FVPROC glUniform3fvProc = ((PFNGLUNIFORM3FVPROC)wglGetProcAddress("glUniform3fv"));
+		glUniform3fvProc(10, 3, flatShapes); // array of shapes
+		glUniform3fvProc(40, 1, test); // test shape
+
         PFNGLUNIFORM1FVPROC glUniform1fvProc = ((PFNGLUNIFORM1FVPROC)wglGetProcAddress("glUniform1fv"));
 		glUniform1fvProc(0, SU_NUMSYNCS + 1, syncs);
 		glUniform1fvProc(8, FFT_SIZE / 4, fft_uniform);