remove vertex value and tweak some rendering

u04-cube/fragmentShader.c

@@ -1,10 +0,0 @@
-unsigned char fragmentShader_glsl[] = {
-  0x23, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x20, 0x33, 0x33, 0x30,
-  0x20, 0x63, 0x6f, 0x72, 0x65, 0x0a, 0x69, 0x6e, 0x20, 0x76, 0x65, 0x63,
-  0x33, 0x20, 0x63, 0x6f, 0x6c, 0x6f, 0x72, 0x3b, 0x0a, 0x76, 0x6f, 0x69,
-  0x64, 0x20, 0x6d, 0x61, 0x69, 0x6e, 0x28, 0x29, 0x20, 0x7b, 0x0a, 0x09,
-  0x67, 0x6c, 0x5f, 0x46, 0x72, 0x61, 0x67, 0x43, 0x6f, 0x6c, 0x6f, 0x72,
-  0x20, 0x3d, 0x20, 0x76, 0x65, 0x63, 0x34, 0x28, 0x63, 0x6f, 0x6c, 0x6f,
-  0x72, 0x2c, 0x20, 0x31, 0x2e, 0x30, 0x29, 0x3b, 0x0a, 0x7d
-};
-unsigned int fragmentShader_glsl_len = 82;

u04-cube/main.c

@@ -16,7 +16,6 @@ typedef struct {
 	GLfloat x;
 	GLfloat y;
 	GLfloat z;
-	GLfloat value;
 } Point;
 
 GLuint program;
@@ -28,16 +27,17 @@ GLfloat aspectRatio = 1.0f;
 GLfloat step = 0.0f;
 
 
-GLfloat corners[] = {
+Point corners[] = {
-	1.0f, 1.0f, 1.0f,    1.0f,
+	{  1.0f,  1.0f,  1.0f },
-	1.0f, 1.0f, -1.0f,   0.0f,
+	{  1.0f,  1.0f, -1.0f },
-	1.0f, -1.0f, 1.0f,   1.0f,
+	{  1.0f, -1.0f,  1.0f },
-	1.0f, -1.0f, -1.0f,  0.0f,
+	{  1.0f, -1.0f, -1.0f },
-	-1.0f, 1.0f, 1.0f,   1.0f,
+	{ -1.0f,  1.0f,  1.0f },
-	-1.0f, 1.0f, -1.0f,  0.0f,
+	{ -1.0f,  1.0f, -1.0f },
-	-1.0f, -1.0f, 1.0f,  1.0f,
+	{ -1.0f, -1.0f,  1.0f },
-	-1.0f, -1.0f, -1.0f, 0.0f
+	{ -1.0f, -1.0f, -1.0f }
 };
+
 GLuint indices[] = {
 	0, 1,
 	0, 2,
@@ -98,6 +98,7 @@ void rotationZ(GLfloat* out, GLfloat angle) {
 	out[5] = cos(angle);
 }
 
+// CREATE 4x4 ROTATION MATRIX AROUND Y AXIS
 void rotationY(GLfloat* out, GLfloat angle) {
 	identity(out);
 	out[0] = cos(angle);
@@ -106,6 +107,7 @@ void rotationY(GLfloat* out, GLfloat angle) {
 	out[10] = cos(angle);
 }
 
+// CREATE 4x4 ROTATION MATRIX AROUND Y AXIS
 void rotationX(GLfloat* out, GLfloat angle) {
 	identity(out);
 	out[5] = cos(angle);
@@ -272,15 +274,6 @@ void init(void) {
 		0
 	);
 	glEnableVertexAttribArray(0);
-	glVertexAttribPointer(
-		1,
-		1,
-		GL_FLOAT,
-		GL_FALSE,
-		sizeof(Point),
-		(GLvoid*)(3 * sizeof(GLfloat))
-	);
-	glEnableVertexAttribArray(1);
 	glBindBuffer(GL_ARRAY_BUFFER, 0);
 	glBindVertexArray(0);
 
@@ -299,7 +292,7 @@ void init(void) {
 	glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(indices), indices, GL_STATIC_DRAW);
 
 
-	glClearColor(0.2f, 0.3f, 0.3f, 1.0f);
+	glClearColor(0.01f, 0.01f, 0.01f, 1.0f);
 }
 
 void draw(void) {
@@ -321,8 +314,8 @@ void draw(void) {
 
 	identity(M);
 	rotateY(M, M, step * 3.14159f * 2);
-	rotateZ(M, M, step * 3.14159f * 2 + 0.5f);
 	rotateX(M, M, step * 3.14159f * 2 + 1.0f);
+	rotateZ(M, M, step * 3.14159f * 2 + 0.5f);
 	scale(M, M, scaleBy);
 	// translate(M, M, translateBy);
 

u04-cube/vertexShader.c

@@ -1,25 +0,0 @@
-unsigned char vertexShader_glsl[] = {
-  0x23, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, 0x20, 0x33, 0x33, 0x30,
-  0x20, 0x63, 0x6f, 0x72, 0x65, 0x0a, 0x6c, 0x61, 0x79, 0x6f, 0x75, 0x74,
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-  0x20, 0x30, 0x29, 0x20, 0x69, 0x6e, 0x20, 0x76, 0x65, 0x63, 0x33, 0x20,
-  0x61, 0x50, 0x6f, 0x73, 0x69, 0x74, 0x69, 0x6f, 0x6e, 0x3b, 0x0a, 0x6c,
-  0x61, 0x79, 0x6f, 0x75, 0x74, 0x20, 0x28, 0x6c, 0x6f, 0x63, 0x61, 0x74,
-  0x69, 0x6f, 0x6e, 0x20, 0x3d, 0x20, 0x31, 0x29, 0x20, 0x69, 0x6e, 0x20,
-  0x66, 0x6c, 0x6f, 0x61, 0x74, 0x20, 0x76, 0x65, 0x72, 0x74, 0x65, 0x78,
-  0x56, 0x61, 0x6c, 0x75, 0x65, 0x3b, 0x0a, 0x75, 0x6e, 0x69, 0x66, 0x6f,
-  0x72, 0x6d, 0x20, 0x6d, 0x61, 0x74, 0x34, 0x20, 0x74, 0x72, 0x61, 0x6e,
-  0x73, 0x66, 0x6f, 0x72, 0x6d, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x3b, 0x0a,
-  0x6f, 0x75, 0x74, 0x20, 0x76, 0x65, 0x63, 0x33, 0x20, 0x63, 0x6f, 0x6c,
-  0x6f, 0x72, 0x3b, 0x0a, 0x76, 0x6f, 0x69, 0x64, 0x20, 0x6d, 0x61, 0x69,
-  0x6e, 0x28, 0x29, 0x20, 0x7b, 0x0a, 0x09, 0x63, 0x6f, 0x6c, 0x6f, 0x72,
-  0x20, 0x3d, 0x20, 0x61, 0x50, 0x6f, 0x73, 0x69, 0x74, 0x69, 0x6f, 0x6e,
-  0x20, 0x2f, 0x20, 0x32, 0x20, 0x2b, 0x20, 0x76, 0x65, 0x63, 0x33, 0x28,
-  0x30, 0x2e, 0x35, 0x2c, 0x20, 0x30, 0x2e, 0x35, 0x2c, 0x20, 0x30, 0x2e,
-  0x35, 0x29, 0x3b, 0x0a, 0x09, 0x67, 0x6c, 0x5f, 0x50, 0x6f, 0x73, 0x69,
-  0x74, 0x69, 0x6f, 0x6e, 0x20, 0x3d, 0x20, 0x74, 0x72, 0x61, 0x6e, 0x73,
-  0x66, 0x6f, 0x72, 0x6d, 0x61, 0x74, 0x69, 0x6f, 0x6e, 0x20, 0x2a, 0x20,
-  0x76, 0x65, 0x63, 0x34, 0x28, 0x61, 0x50, 0x6f, 0x73, 0x69, 0x74, 0x69,
-  0x6f, 0x6e, 0x2c, 0x20, 0x31, 0x2e, 0x30, 0x29, 0x3b, 0x0a, 0x7d
-};
-unsigned int vertexShader_glsl_len = 263;

u04-cube/vertexShader.glsl

@@ -1,6 +1,5 @@
 #version 330 core
 layout (location = 0) in vec3 aPosition;
-layout (location = 1) in float vertexValue;
 uniform mat4 transformation;
 out vec3 color;
 void main() {