C / C++ / MFC

<br />
int i;<br />
glBegin (mode);<br />
for (i = 0; i < count; i++)<br />
   glArrayElement(indices[i]);<br />
glEnd();<br />

<br />
...<br />
glNormalPointer(GL_FLOAT, 0, ModelToDraw.Objects[i].Normals);<br />
glVertexPointer(3, GL_FLOAT, 0, ModelToDraw.Objects[i].Vertexes);<br />
float *pNormal = ModelToDraw.Objects[i].Normals;<br />
float *pVertex = ModelToDraw.Objects[i].Vertexes;<br />
...<br />
for (int j=0; j < ModelToDraw.Objects[i].numMatFaces; j++)<br />
{<br />
  {...}<- set up material here<br />
  glDrawElements(GL_TRIANGLES, ModelToDraw.Objects[i].MatFaces[j].numSubFaces, GL_UNSIGNED_SHORT, ModelToDraw.Objects[i].MatFaces[j].subFaces);<br />
}<br />

<br />
vector4 a,b,c;<br />
int i;		// Laufvariable<br />
unsigned short index;<br />
float* _tempArray;		<br />
glDisable(GL_LIGHTING);<br />
	<br />
for(i=0; i < numSubFaces; i+=3)<br />
{<br />
index = subFaces[i]; // pointer to first vector of triangle<br />
_tempArray=(float*)(((char*)k) + index * 12);	// 12 = size of 3 floats<br />
<br />
// Get First Triangle Vector<br />
a.x = _tempArray[0];<br />
a.y = _tempArray[1];<br />
a.z = _tempArray[2];<br />
a.w = 1.0f;<br />
<br />
index = subFaces[i+1];		<br />
_tempArray=(float*)(((char*)k) + index * 12);<br />
b.x = _tempArray[0];<br />
b.y = _tempArray[1];<br />
b.z = _tempArray[2];<br />
b.w = 1.0f;<br />
<br />
// and the same for c<br />
<br />
// Then read out the normal for the face:<br />
_tempArray=&(pNormal[i]);  // <---- Here must be something wrong<br />
<br />
d.x = _tempArray[0];<br />
d.y = _tempArray[1];<br />
d.z = _tempArray[2];<br />
d.w = 1.0f;<br />

<br />
if (showNormal)<br />
{<br />
	glColor3f(1.0, 0.0, 0.0);<br />
	glBegin(GL_LINES);<br />
		glVertex3f(a.x, a.y, a.z);<br />
		glVertex3f(a.x + d.x, a.y + d.y, a.z + d.z);<br />
	glEnd();<br />
}<br />